Pub Date : 2024-01-19DOI: 10.1007/s11816-023-00884-z
A. A. Sabana, Ginny Antony, K. P. Gangaraj, Tony Grace, M. K. Rajesh
Long non-coding RNAs (lncRNAs) are transcripts longer than 200 nucleotides that lack significant protein coding potential and have been shown to regulate various biological processes. This study was designed to identify lncRNAs in coconut and their role in the process of somatic embryogenesis in coconut, a crop with high recalcitrance to in vitro culture. RNA-Seq data of coconut embryogenic calli of the West Coast Tall cultivar was exploited for in silico prediction of lncRNA. From a total of 6328 transcripts, which were annotated as uncharacterised or with no homology hits with the existing database, 5110 putative lncRNAs are identified. We also studied the relationship between lncRNAs, microRNAs (miRNAs) and mRNAs and found that some of the lncRNAs act as miRNA precursors, some as potential miRNA targets and some function as endogenous target mimics (eTMs) for miRNAs. Real-time quantitative PCR confirmed that 10 selected lncRNAs showed significant differences in the expression pattern in different stages of coconut somatic embryogenesis. Our results suggest the existence of diverse lncRNAs in coconut embryogenic calli, some of which are differentially expressed. The information generated in this study could be of great value in understanding the molecular mechanisms governing somatic embryogenesis in coconut.
{"title":"Regulation of coconut somatic embryogenesis: decoding the role of long non-coding RNAs","authors":"A. A. Sabana, Ginny Antony, K. P. Gangaraj, Tony Grace, M. K. Rajesh","doi":"10.1007/s11816-023-00884-z","DOIUrl":"https://doi.org/10.1007/s11816-023-00884-z","url":null,"abstract":"<p>Long non-coding RNAs (lncRNAs) are transcripts longer than 200 nucleotides that lack significant protein coding potential and have been shown to regulate various biological processes. This study was designed to identify lncRNAs in coconut and their role in the process of somatic embryogenesis in coconut, a crop with high recalcitrance to in vitro culture. RNA-Seq data of coconut embryogenic calli of the West Coast Tall cultivar was exploited for in silico prediction of lncRNA. From a total of 6328 transcripts, which were annotated as uncharacterised or with no homology hits with the existing database, 5110 putative lncRNAs are identified. We also studied the relationship between lncRNAs, microRNAs (miRNAs) and mRNAs and found that some of the lncRNAs act as miRNA precursors, some as potential miRNA targets and some function as endogenous target mimics (eTMs) for miRNAs. Real-time quantitative PCR confirmed that 10 selected lncRNAs showed significant differences in the expression pattern in different stages of coconut somatic embryogenesis. Our results suggest the existence of diverse lncRNAs in coconut embryogenic calli, some of which are differentially expressed. The information generated in this study could be of great value in understanding the molecular mechanisms governing somatic embryogenesis in coconut.</p>","PeriodicalId":20216,"journal":{"name":"Plant Biotechnology Reports","volume":null,"pages":null},"PeriodicalIF":2.4,"publicationDate":"2024-01-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139507277","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-01-06DOI: 10.1007/s11816-023-00885-y
Abstract
Expansin plays a crucial role in plant growth and stress resistance as a cell wall relaxation protein. The expansin family consists of four subfamilies: EXPA, EXPB, EXLA, and EXLB. However, a few reports have been previously published investigating EXLA genes. The research here aimed to characterize the PtEXLA1 gene from a popular species (P. alba × P. glandulosa CV.84K) and evaluate its role through genetic transformation to understand its contribution to plant growth and stress resistance. The results showed that the PtEXLA1 gene was 780 bp in length, encoded 259 amino acids, and had typical characteristics of EXLA. The PtEXLA1 transgenic tobacco plants had a larger corolla in comparison to wild-type plants, and exhibited higher resistance to drought, high temperature, and salt stress based on the evaluation of chlorophyll content, relative conductivity, and malondialdehyde content. PtEXLA1 can be an efficient gene resource for stress resistance breeding of plants.
摘要 Expansin 作为一种细胞壁松弛蛋白,在植物生长和抗逆性方面发挥着至关重要的作用。扩张素家族由四个亚家族组成:EXPA、EXPB、EXLA和EXLB。然而,此前关于 EXLA 基因的研究报道很少。本文的研究旨在描述一个常用物种(P. alba × P. glandulosa CV.84K)的 PtEXLA1 基因的特征,并通过基因转化评估其作用,以了解其对植物生长和抗逆性的贡献。结果表明,PtEXLA1基因全长780 bp,编码259个氨基酸,具有EXLA的典型特征。根据叶绿素含量、相对电导率和丙二醛含量的评估,PtEXLA1转基因烟草植株的花冠比野生型植株大,对干旱、高温和盐胁迫表现出更强的抗性。PtEXLA1 可作为植物抗逆育种的有效基因资源。
{"title":"Characterization and functional analysis of the PtEXLA1 gene from poplar","authors":"","doi":"10.1007/s11816-023-00885-y","DOIUrl":"https://doi.org/10.1007/s11816-023-00885-y","url":null,"abstract":"<h3>Abstract</h3> <p>Expansin plays a crucial role in plant growth and stress resistance as a cell wall relaxation protein. The expansin family consists of four subfamilies: EXPA, EXPB, EXLA, and EXLB. However, a few reports have been previously published investigating <em>EXLA</em> genes. The research here aimed to characterize the <em>PtEXLA1</em> gene from a popular species (<em>P. alba</em> × <em>P. glandulosa</em> CV.84K) and evaluate its role through genetic transformation to understand its contribution to plant growth and stress resistance. The results showed that the <em>PtEXLA1</em> gene was 780 bp in length, encoded 259 amino acids, and had typical characteristics of EXLA. The <em>PtEXLA1</em> transgenic tobacco plants had a larger corolla in comparison to wild-type plants, and exhibited higher resistance to drought, high temperature, and salt stress based on the evaluation of chlorophyll content, relative conductivity, and malondialdehyde content. <em>PtEXLA1</em> can be an efficient gene resource for stress resistance breeding of plants.</p>","PeriodicalId":20216,"journal":{"name":"Plant Biotechnology Reports","volume":null,"pages":null},"PeriodicalIF":2.4,"publicationDate":"2024-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139375925","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-12-29DOI: 10.1007/s11816-023-00881-2
Guanghao Wang, Jianhua Gu, Deyu Long, Xiangyu Zhang, Chenxu Zhao, Hong Zhang, Chunhuan Chen, Wanquan Ji
The ATP-binding cassette (ABC) transporter family is one of the largest protein families in plants and plays an essential role in addressing biotic and abiotic stresses. Wheat, a vital global grain crop, faces multifaceted safety challenges, primarily from fungal diseases like stripe rust and powdery mildew. In the present study, we identified the whole genome of the wheat ABC family, and 463 nonredundant ABC genes were identified. The ABC family can be divided into nine evolutionary branches and eight subfamilies based on phylogenetic tree analysis. This paper delved deeper into characterizing the gene structure, promoter region, and gene expression within the TaABC family. Segmental duplication was the main reason for the expansion of the TaABC genes. Ka/Ks analysis suggested that most TaABC genes were intensely purified and selected. The collinear analysis of TaABC and other species showed that the ABC genes were conserved in evolution. RNA-seq data and qPCR data from wheat infected with powdery mildew or stripe rust showed that most TaABC genes were induced to change expression. The candidate genes TaABCB15-3B and TaABCG38 exhibited responsiveness to powdery mildew in resistant/susceptible wheat, while remaining unresponsive to stripe rust. Our findings serve as a valuable reference for gaining a deeper understanding of the function and evolution of TaABCs, aiding in the identification of enduring disease resistance genes within the TaABCs of wheat.
{"title":"Genome-wide identification of wheat ABC gene family and expression in response to fungal stress treatment","authors":"Guanghao Wang, Jianhua Gu, Deyu Long, Xiangyu Zhang, Chenxu Zhao, Hong Zhang, Chunhuan Chen, Wanquan Ji","doi":"10.1007/s11816-023-00881-2","DOIUrl":"https://doi.org/10.1007/s11816-023-00881-2","url":null,"abstract":"<p>The ATP-binding cassette (ABC) transporter family is one of the largest protein families in plants and plays an essential role in addressing biotic and abiotic stresses. Wheat, a vital global grain crop, faces multifaceted safety challenges, primarily from fungal diseases like stripe rust and powdery mildew. In the present study, we identified the whole genome of the wheat <i>ABC</i> family, and 463 nonredundant <i>ABC</i> genes were identified. The <i>ABC</i> family can be divided into nine evolutionary branches and eight subfamilies based on phylogenetic tree analysis. This paper delved deeper into characterizing the gene structure, promoter region, and gene expression within the <i>TaABC</i> family. Segmental duplication was the main reason for the expansion of the <i>TaABC</i> genes. Ka/Ks analysis suggested that most <i>TaABC</i> genes were intensely purified and selected. The collinear analysis of <i>TaABC</i> and other species showed that the <i>ABC</i> genes were conserved in evolution. RNA-seq data and qPCR data from wheat infected with powdery mildew or stripe rust showed that most <i>TaABC</i> genes were induced to change expression. The candidate genes <i>TaABCB15-3B</i> and <i>TaABCG38</i> exhibited responsiveness to powdery mildew in resistant/susceptible wheat, while remaining unresponsive to stripe rust. Our findings serve as a valuable reference for gaining a deeper understanding of the function and evolution of <i>TaABCs</i>, aiding in the identification of enduring disease resistance genes within the TaABCs of wheat.</p>","PeriodicalId":20216,"journal":{"name":"Plant Biotechnology Reports","volume":null,"pages":null},"PeriodicalIF":2.4,"publicationDate":"2023-12-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139068333","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The performance of crop plants is critically affected by biotic and abiotic stress. These stressors threaten food availability by reducing overall crop yield and productivity. Changes in chromatin state by epigenetic modification are part of plant adaptive and survival responses and are considered pivotal for improving agronomic traits. Epigenetics is an exciting field that involves heritable gene expression changes that do not require changes in DNA sequence. Epigenetic modification is well known as a crucial player in plant phenotypic diversity and defense against pathogens. Hence, there is a growing interest in unlocking the epigenome for crop improvement. Herein, we highlight the epigenetic modifications implicated in plant biotic stress response and their contributions to important agronomic traits. We also discussed adopting epigenetics to expand phenotypic diversity and produce desired characteristics in crop plants.
作物的表现受到生物和非生物胁迫的严重影响。这些胁迫因素会降低作物的总产量和生产力,从而威胁粮食供应。通过表观遗传修饰改变染色质状态是植物适应和生存反应的一部分,被认为是改善农艺性状的关键。表观遗传学是一个令人兴奋的领域,它涉及无需改变 DNA 序列的遗传基因表达变化。众所周知,表观遗传修饰是植物表型多样性和抵御病原体的关键因素。因此,人们对解开表观基因组以改良作物的兴趣与日俱增。在这里,我们重点介绍了与植物生物胁迫响应有关的表观遗传修饰及其对重要农艺性状的贡献。我们还讨论了采用表观遗传学来扩大表型多样性并产生作物植物所需的特性。
{"title":"Epigenetics: Toward improving crop disease resistance and agronomic characteristics","authors":"Chibuzo Sampson, Tuzymeshach Holyword Ikenwugwu, Innocent Uzochukwu Okagu, Ibrahim Inuwa Yahaya, Chuks Kenneth Odoh, Chibuzor Nwadibe Eze","doi":"10.1007/s11816-023-00876-z","DOIUrl":"https://doi.org/10.1007/s11816-023-00876-z","url":null,"abstract":"<p>The performance of crop plants is critically affected by biotic and abiotic stress. These stressors threaten food availability by reducing overall crop yield and productivity. Changes in chromatin state by epigenetic modification are part of plant adaptive and survival responses and are considered pivotal for improving agronomic traits. Epigenetics is an exciting field that involves heritable gene expression changes that do not require changes in DNA sequence. Epigenetic modification is well known as a crucial player in plant phenotypic diversity and defense against pathogens. Hence, there is a growing interest in unlocking the epigenome for crop improvement. Herein, we highlight the epigenetic modifications implicated in plant biotic stress response and their contributions to important agronomic traits. We also discussed adopting epigenetics to expand phenotypic diversity and produce desired characteristics in crop plants.</p>","PeriodicalId":20216,"journal":{"name":"Plant Biotechnology Reports","volume":null,"pages":null},"PeriodicalIF":2.4,"publicationDate":"2023-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138580523","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-12-12DOI: 10.1007/s11816-023-00870-5
Young Koung Lee, Andrew Olson, Keunhwa Kim, Masaru Ohme-Takagi, Doreen Ware
Floral architecture plays a pivotal role in developmental processes under genetic regulation and is also influenced by environmental cues. This affects the plant silique phenotype in Arabidopsis and grain yield in crops. Despite the relatively small number of family members of zinc finger homeodomain (ZF-HD) transcription factors (TFs) in plants, their biological role needs to be investigated to understand the molecular mechanisms associated with plant developmental processes. Therefore, we generated HB31SRDX and HB21SRDX repressor mutant lines to understand the functional role of ZF-HD TFs. The mutant lines showed severe defects in plant architecture, including increased branching number, reduced plant height, distorted floral phenotype, and short silique. We found that HB31 and HB21 are paralogs in Arabidopsis, and both positively regulate cell size-related genes, cell wall modification factor-related genes, and M-type MADS-box TF families. In addition, HB31 and HB21 are negatively associated with abiotic stress-related genes, vegetative-to-reproductive phase transition of meristem-related genes, and TCP and RAV TFs. microRNA164 (miR164), miR822, miR396, miR2934, and miR172 were downregulated, whereas miR169, miR398, miR399, and miR157 were upregulated in the two repressor lines. Phenotypic and molecular analyses demonstrated that the miR396/GRF modules regulated by HB31 and HB21 are involved in the plan floral architecture of Arabidopsis. The findings of this study will help elucidate the role of ZF-HD TFs in maintaining the floral architecture.
{"title":"HB31 and HB21 regulate floral architecture through miRNA396/GRF modules in Arabidopsis","authors":"Young Koung Lee, Andrew Olson, Keunhwa Kim, Masaru Ohme-Takagi, Doreen Ware","doi":"10.1007/s11816-023-00870-5","DOIUrl":"https://doi.org/10.1007/s11816-023-00870-5","url":null,"abstract":"<p>Floral architecture plays a pivotal role in developmental processes under genetic regulation and is also influenced by environmental cues. This affects the plant silique phenotype in <i>Arabidopsis</i> and grain yield in crops. Despite the relatively small number of family members of zinc finger homeodomain (ZF-HD) transcription factors (TFs) in plants, their biological role needs to be investigated to understand the molecular mechanisms associated with plant developmental processes. Therefore, we generated HB31SRDX and HB21SRDX repressor mutant lines to understand the functional role of ZF-HD TFs. The mutant lines showed severe defects in plant architecture, including increased branching number, reduced plant height, distorted floral phenotype, and short silique. We found that <i>HB31</i> and <i>HB21</i> are paralogs in <i>Arabidopsis</i>, and both positively regulate cell size-related genes, cell wall modification factor-related genes, and M-type MADS-box TF families. In addition, <i>HB31</i> and <i>HB21</i> are negatively associated with abiotic stress-related genes, vegetative-to-reproductive phase transition of meristem-related genes, and TCP and RAV TFs. microRNA164 (miR164), miR822, miR396, miR2934, and miR172 were downregulated, whereas miR169, miR398, miR399, and miR157 were upregulated in the two repressor lines. Phenotypic and molecular analyses demonstrated that the miR396/<i>GRF</i> modules regulated by <i>HB31</i> and <i>HB21</i> are involved in the plan floral architecture of <i>Arabidopsis</i>. The findings of this study will help elucidate the role of ZF-HD TFs in maintaining the floral architecture.</p>","PeriodicalId":20216,"journal":{"name":"Plant Biotechnology Reports","volume":null,"pages":null},"PeriodicalIF":2.4,"publicationDate":"2023-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138573632","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-12-08DOI: 10.1007/s11816-023-00883-0
Himani Singh, Niharika, Pradeep Lamichhane, Ravi Gupta, Neha Kaushik, Eun Ha Choi, Nagendra Kumar Kaushik
Pesticides have been an integral part of modern agriculture as their use ensures good harvests. However, excessive use of pesticides in the last few decades has caused significant environmental degradation. Moreover, excessive use of pesticides causes stress on crops and non-target plants and exhibits toxicity to other organisms including mammals, microbes, and insects. Plants employ various morphological, physiological, and biochemical mechanisms to reduce pesticides toxicity. One such mechanism is production of secondary metabolites that improves stress tolerance of plants. In addition, recent studies have also highlighted a potential role of plasma technology in mitigating various abiotic and biotic environmental stresses. Besides, plasma treatment improves seed germination, physiological processes, and seedling establishment during the early growth stages of a plant under adverse and non-adverse conditions and thus can be used an alternate to the pesticide treatment. This review article summarizes recent advancements in understanding the synthesis, accumulation, and transportation of secondary metabolites which have significant relevance to crop improvement programs. We also present an overview of the effects of plasma treatment on phytopathogenic bacterial cell suspensions and plant responses to metabolic activity. In the future, researchers need to develop innovative ideas to reduce the use of chemical pesticides in farming practices.
{"title":"Enhancing crop health and sustainability: exploring the potential of secondary metabolites and non-thermal plasma treatment as alternatives to pesticides","authors":"Himani Singh, Niharika, Pradeep Lamichhane, Ravi Gupta, Neha Kaushik, Eun Ha Choi, Nagendra Kumar Kaushik","doi":"10.1007/s11816-023-00883-0","DOIUrl":"https://doi.org/10.1007/s11816-023-00883-0","url":null,"abstract":"<p>Pesticides have been an integral part of modern agriculture as their use ensures good harvests. However, excessive use of pesticides in the last few decades has caused significant environmental degradation. Moreover, excessive use of pesticides causes stress on crops and non-target plants and exhibits toxicity to other organisms including mammals, microbes, and insects. Plants employ various morphological, physiological, and biochemical mechanisms to reduce pesticides toxicity. One such mechanism is production of secondary metabolites that improves stress tolerance of plants. In addition, recent studies have also highlighted a potential role of plasma technology in mitigating various abiotic and biotic environmental stresses. Besides, plasma treatment improves seed germination, physiological processes, and seedling establishment during the early growth stages of a plant under adverse and non-adverse conditions and thus can be used an alternate to the pesticide treatment. This review article summarizes recent advancements in understanding the synthesis, accumulation, and transportation of secondary metabolites which have significant relevance to crop improvement programs. We also present an overview of the effects of plasma treatment on phytopathogenic bacterial cell suspensions and plant responses to metabolic activity. In the future, researchers need to develop innovative ideas to reduce the use of chemical pesticides in farming practices.</p>","PeriodicalId":20216,"journal":{"name":"Plant Biotechnology Reports","volume":null,"pages":null},"PeriodicalIF":2.4,"publicationDate":"2023-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138560509","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Six popular and widely cultivated arabica coffee (Coffea arabica L.) varieties of commercial importance namely Selection 5B, Selection 13, Selection 11, Selection 8, Selection 7.3 and Selection 3 were tested for their genetic identity with ISSR markers. Fifteen ISSR primers were tested using genomic DNA of selected coffee varieties. Pooled genomic DNA of all the six varieties was amplified with each ISSR primer with an average of four loci per primer. The size range of locus amplified by all the fifteen primers was ranging from 100 to 1200 bp depending upon on the ISSR primers. Only three out of fifteen primers, namely ISSR4, ISSR6 and ISSR8, were screened based on the number of amplified locus and size range from low to high. The selective ISSR primers distinguished all the six varieties of coffee with unique markers. ISSR 4 amplified two unique markers with a locus size 1300 bp and 950 bp for Sln.5B and 180 bp and 150 bp for Sln.13. ISSR6 had produced five varietal-specific markers with a locus size of 180 bp in Sln.5B, 1250 bp in Sln.11, 350 bp in Sln.3. ISSR8 had amplified seven unique loci across the coffee varieties with 700 bp and 800 bp in Sln.5B, 200 bp and 500 bp in Sln.11 and one locus each in Sln.7.3 and Sln.3 with 300 bp and 150 bp respectively. Repeated amplification of genomic DNA of all the six varieties of coffee with selective ISSR primers produced consistent ISSR genetic fingerprints. Selective ISSR primers were validated with marker parameters resolving power (RP), effective multiplex ratio (EMR), marker index (MI) and polymorphic information content (PIC). Utilisation of these markers in arabica coffee genetic improvement is discussed.
{"title":"Molecular identity for commercially important inter-specific hybrids of Coffea using ISSR-DNA marker: implication on genetic improvement","authors":"Sreedevi Amruthakumar, Bhavatharani Manivel, Karthiga Sivamani, Thilaga Sethuraman, Nyani Surya Prakash Rao, Doss Ganesh","doi":"10.1007/s11816-023-00878-x","DOIUrl":"https://doi.org/10.1007/s11816-023-00878-x","url":null,"abstract":"<p>Six popular and widely cultivated arabica coffee (<i>Coffea arabica</i> L.) varieties of commercial importance namely Selection 5B, Selection 13, Selection 11, Selection 8, Selection 7.3 and Selection 3 were tested for their genetic identity with ISSR markers. Fifteen ISSR primers were tested using genomic DNA of selected coffee varieties. Pooled genomic DNA of all the six varieties was amplified with each ISSR primer with an average of four loci per primer. The size range of locus amplified by all the fifteen primers was ranging from 100 to 1200 bp depending upon on the ISSR primers. Only three out of fifteen primers, namely ISSR4, ISSR6 and ISSR8, were screened based on the number of amplified locus and size range from low to high. The selective ISSR primers distinguished all the six varieties of coffee with unique markers. ISSR 4 amplified two unique markers with a locus size 1300 bp and 950 bp for Sln.5B and 180 bp and 150 bp for Sln.13. ISSR6 had produced five varietal-specific markers with a locus size of 180 bp in Sln.5B, 1250 bp in Sln.11, 350 bp in Sln.3. ISSR8 had amplified seven unique loci across the coffee varieties with 700 bp and 800 bp in Sln.5B, 200 bp and 500 bp in Sln.11 and one locus each in Sln.7.3 and Sln.3 with 300 bp and 150 bp respectively. Repeated amplification of genomic DNA of all the six varieties of coffee with selective ISSR primers produced consistent ISSR genetic fingerprints. Selective ISSR primers were validated with marker parameters resolving power (RP), effective multiplex ratio (EMR), marker index (MI) and polymorphic information content (PIC). Utilisation of these markers in arabica coffee genetic improvement is discussed.</p>","PeriodicalId":20216,"journal":{"name":"Plant Biotechnology Reports","volume":null,"pages":null},"PeriodicalIF":2.4,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138507439","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-30DOI: 10.1007/s11816-023-00882-1
Caiquan Jin, Chae-Eun Lee, Hyunjoo Hwang, Yerin Kim, Peter Hinterdorfer, Soon Chul Myung, Sungsu Park, Mi Kyung Kim, Mineui Hong, Kisung Ko
Multiple myeloma (MM) is an incurable disease characterized by malignant plasma cells within the bone marrow, and its increasing occurrence has highlighted the need for innovative strategies to address relapse and treatment resistance. Given the substantial expression of programmed death ligand 1 (PD-L1) in the human multiple myeloma cell line RPMI8226, we propose PD-L1 as a promising target for multiple myeloma therapy. Here, we successfully engineered an anti-PD-L1 monoclonal antibody (mAb) within a plant-based system. Building upon our previous findings, we germinated seeds derived from transgenic plants under in vitro conditions. Afterward, we screened the resulting seedlings for expression of the anti-PD-L1 mAb using polymerase chain reaction (PCR) and western blot analyses. Anti-PD-L1 mAbs were successfully purified from plant leaves and characterized through SDS-PAGE analysis. Our findings, which were confirmed via indirect enzyme-linked immunosorbent assay (ELISA), validate the binding affinity of the anti-PD-L1 mAb to recombinant PD-L1 protein. Furthermore, we investigated the interaction between the plant-derived anti-PD-L1 mAb and Fc gamma receptor I (FcγRI) as well as Fc gamma receptor IIIa (FcγRIIIa) molecules, confirming robust affinity. Additionally, the antibody’s binding affinity to the human multiple myeloma cancer cell line RPMI8226 was confirmed via cell ELISA. Our findings demonstrated that, unlike existing therapeutics, the plant-derived anti-PD-L1 antibody not only effectively binds to human recombinant PD-L1 protein but also to FcγRI and FcγRIIIa. These findings suggest the potential of plant-derived anti-PD-L1 mAb for the development of innovative therapies against multiple myeloma, emphasizing the need for further research and preclinical evaluation.
多发性骨髓瘤(MM)是一种以骨髓内恶性浆细胞为特征的不治之症,它的发病率越来越高,这凸显了人们对解决复发和耐药性问题的创新策略的需求。鉴于程序性死亡配体 1(PD-L1)在人类多发性骨髓瘤细胞系 RPMI8226 中的大量表达,我们提出将 PD-L1 作为多发性骨髓瘤治疗的一个有前景的靶点。在这里,我们成功地在一个基于植物的系统中设计出了一种抗 PD-L1 的单克隆抗体(mAb)。在先前研究成果的基础上,我们在体外条件下萌发了转基因植物的种子。之后,我们利用聚合酶链式反应(PCR)和免疫印迹分析筛选了抗 PD-L1 mAb 表达的幼苗。我们成功地从植物叶片中纯化出了抗 PD-L1 mAb,并通过 SDS-PAGE 分析对其进行了鉴定。通过间接酶联免疫吸附试验(ELISA)证实了抗 PD-L1 mAb 与重组 PD-L1 蛋白的结合亲和力。此外,我们还研究了植物提取的抗 PD-L1 mAb 与 Fc γ 受体 I(FcγRI)和 Fc γ 受体 IIIa(FcγRIIIa)分子之间的相互作用,证实了其强大的亲和力。此外,我们还通过细胞酶联免疫吸附试验证实了该抗体与人类多发性骨髓瘤癌细胞系 RPMI8226 的结合亲和力。我们的研究结果表明,与现有的治疗药物不同,植物提取的抗 PD-L1 抗体不仅能有效地与人类重组 PD-L1 蛋白结合,还能与 FcγRI 和 FcγRIIIa 结合。这些研究结果表明,植物提取的抗 PD-L1 mAb 有潜力用于开发针对多发性骨髓瘤的创新疗法,并强调了进一步研究和临床前评估的必要性。
{"title":"Specific binding of plant-expressed anti-PD-L1 monoclonal antibody to multiple myeloma cell line RPMI8226","authors":"Caiquan Jin, Chae-Eun Lee, Hyunjoo Hwang, Yerin Kim, Peter Hinterdorfer, Soon Chul Myung, Sungsu Park, Mi Kyung Kim, Mineui Hong, Kisung Ko","doi":"10.1007/s11816-023-00882-1","DOIUrl":"https://doi.org/10.1007/s11816-023-00882-1","url":null,"abstract":"<p>Multiple myeloma (MM) is an incurable disease characterized by malignant plasma cells within the bone marrow, and its increasing occurrence has highlighted the need for innovative strategies to address relapse and treatment resistance. Given the substantial expression of programmed death ligand 1 (PD-L1) in the human multiple myeloma cell line RPMI8226, we propose PD-L1 as a promising target for multiple myeloma therapy. Here, we successfully engineered an anti-PD-L1 monoclonal antibody (mAb) within a plant-based system. Building upon our previous findings, we germinated seeds derived from transgenic plants under in vitro conditions. Afterward, we screened the resulting seedlings for expression of the anti-PD-L1 mAb using polymerase chain reaction (PCR) and western blot analyses. Anti-PD-L1 mAbs were successfully purified from plant leaves and characterized through SDS-PAGE analysis. Our findings, which were confirmed via indirect enzyme-linked immunosorbent assay (ELISA), validate the binding affinity of the anti-PD-L1 mAb to recombinant PD-L1 protein. Furthermore, we investigated the interaction between the plant-derived anti-PD-L1 mAb and Fc gamma receptor I (FcγRI) as well as Fc gamma receptor IIIa (FcγRIIIa) molecules, confirming robust affinity. Additionally, the antibody’s binding affinity to the human multiple myeloma cancer cell line RPMI8226 was confirmed via cell ELISA. Our findings demonstrated that, unlike existing therapeutics, the plant-derived anti-PD-L1 antibody not only effectively binds to human recombinant PD-L1 protein but also to FcγRI and FcγRIIIa. These findings suggest the potential of plant-derived anti-PD-L1 mAb for the development of innovative therapies against multiple myeloma, emphasizing the need for further research and preclinical evaluation.</p>","PeriodicalId":20216,"journal":{"name":"Plant Biotechnology Reports","volume":null,"pages":null},"PeriodicalIF":2.4,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138580468","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-29DOI: 10.1007/s11816-023-00879-w
Wonkyun Choi, A-Mi Yoon, Hye Song Lim, Jung Ro Lee
Brassica is an essential genus in agriculture, and gene flow from living modified (LM) organisms to native relatives or non-modified cultivars of the crucifer family is a critical issue in Asia. Loop-mediated isothermal amplification (LAMP) is a simple, rapid, and accurate method for identifying LM crops. This study aimed to develop a LAMP assay for the laboratory diagnosis and field analysis of three novel LM canola events: T45, 73496, and MON88302. The genomic DNA of each LM canola was amplified by incubating at 63 °C for 30 min with a newly developed 2 × LAMP premix containing Bst DNA polymerase and event-specific primer sets. The sensitivity of the LAMP assay for the three canola events in our condition ranged from 100 pg·μL−1 to 1 ng·μL−1. Genetic elements of the three LM events were identified through a combination of the LAMP assay, a syringe-type DNA extraction kit, and a portable isothermal amplifier. This study proposes a novel, simple system based on isothermal amplification for the DNA detection of the three LM canola events in a survey field.
{"title":"Development of loop-mediated isothermal amplification technique for LM canola T45, 73496, and MON88302 and its field application","authors":"Wonkyun Choi, A-Mi Yoon, Hye Song Lim, Jung Ro Lee","doi":"10.1007/s11816-023-00879-w","DOIUrl":"https://doi.org/10.1007/s11816-023-00879-w","url":null,"abstract":"<p><i>Brassica</i> is an essential genus in agriculture, and gene flow from living modified (LM) organisms to native relatives or non-modified cultivars of the crucifer family is a critical issue in Asia. Loop-mediated isothermal amplification (LAMP) is a simple, rapid, and accurate method for identifying LM crops. This study aimed to develop a LAMP assay for the laboratory diagnosis and field analysis of three novel LM canola events: T45, 73496, and MON88302. The genomic DNA of each LM canola was amplified by incubating at 63 °C for 30 min with a newly developed 2 × LAMP premix containing <i>Bst</i> DNA polymerase and event-specific primer sets. The sensitivity of the LAMP assay for the three canola events in our condition ranged from 100 pg·μL<sup>−1</sup> to 1 ng·μL<sup>−1</sup>. Genetic elements of the three LM events were identified through a combination of the LAMP assay, a syringe-type DNA extraction kit, and a portable isothermal amplifier. This study proposes a novel, simple system based on isothermal amplification for the DNA detection of the three LM canola events in a survey field.</p>","PeriodicalId":20216,"journal":{"name":"Plant Biotechnology Reports","volume":null,"pages":null},"PeriodicalIF":2.4,"publicationDate":"2023-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138507435","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-28DOI: 10.1007/s11816-023-00871-4
Sultan Suboktagin, Ghazal Khurshid, Misbah Bilal, Anum Zeb Abbassi, Suk-Yoon Kwon, Raza Ahmad
Photosynthesis is responsible for sustained plant productivity and ensures food supply. The change in global climatic patterns affects photosynthesis that subsequently reduces plant yield and poses threat to food security. Photosynthesis relies on a dual nature enzyme ribulose 1, 5 bisphosphate carboxylase oxygenase (Rubisco), which can fix CO2 as well as O2. The fixation rate of CO2 to O2 depends upon the relative concentration of CO2 inside chloroplast. Higher level of CO2 results in improved photosynthesis, however, its concentration depends upon environmental conditions. Under adverse climate conditions, the CO2 level drops down that leads to increased oxygenation which impedes the photosynthesis and reduces plant productivity. The impact is more significant and apparent specifically in C3 plants. Attempts have been made to address the loss in photosynthesis and multiple strategies have been adapted to date that focus on improvement of photosynthesis in C3 plants. In this review, we have discussed the multiple strategies being employed by different researchers to date for improvement of photosynthesis. The strategies discussed in this review include: improving the performance of Rubisco, engineering CO2-concentrating mechanism of C4 photosynthesis into C3 species, transformation of bicarbonate transporters from cyanobacteria into chloroplasts of C3 plants, and establishment of photorespiratory bypasses to catabolise toxic glycolate in shortest possible pathway.
{"title":"Improvement of photosynthesis in changing environment: approaches, achievements and prospects","authors":"Sultan Suboktagin, Ghazal Khurshid, Misbah Bilal, Anum Zeb Abbassi, Suk-Yoon Kwon, Raza Ahmad","doi":"10.1007/s11816-023-00871-4","DOIUrl":"https://doi.org/10.1007/s11816-023-00871-4","url":null,"abstract":"<p>Photosynthesis is responsible for sustained plant productivity and ensures food supply. The change in global climatic patterns affects photosynthesis that subsequently reduces plant yield and poses threat to food security. Photosynthesis relies on a dual nature enzyme ribulose 1, 5 bisphosphate carboxylase oxygenase (Rubisco), which can fix CO<sub>2</sub> as well as O<sub>2</sub>. The fixation rate of CO<sub>2</sub> to O<sub>2</sub> depends upon the relative concentration of CO<sub>2</sub> inside chloroplast. Higher level of CO<sub>2</sub> results in improved photosynthesis, however, its concentration depends upon environmental conditions. Under adverse climate conditions, the CO<sub>2</sub> level drops down that leads to increased oxygenation which impedes the photosynthesis and reduces plant productivity. The impact is more significant and apparent specifically in C<sub>3</sub> plants. Attempts have been made to address the loss in photosynthesis and multiple strategies have been adapted to date that focus on improvement of photosynthesis in C<sub>3</sub> plants. In this review, we have discussed the multiple strategies being employed by different researchers to date for improvement of photosynthesis. The strategies discussed in this review include: improving the performance of Rubisco, engineering CO<sub>2</sub>-concentrating mechanism of C<sub>4</sub> photosynthesis into C<sub>3</sub> species, transformation of bicarbonate transporters from cyanobacteria into chloroplasts of C<sub>3</sub> plants, and establishment of photorespiratory bypasses to catabolise toxic glycolate in shortest possible pathway.</p>","PeriodicalId":20216,"journal":{"name":"Plant Biotechnology Reports","volume":null,"pages":null},"PeriodicalIF":2.4,"publicationDate":"2023-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138507438","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}