Pub Date : 2022-03-24DOI: 10.1080/17429145.2022.2053596
Ming-Lu Yang, Tianrun Zheng, Junyi Zhan, Maojia Wang, Wenjun Sun, Min Zhou, Zizhong Tang, Tongliang Bu, Qingfeng Li, Hui Chen
ABSTRACT As an essential trace element, iron is a necessary micronutrient for most organisms. Conyza blinii (C. blinii) is a traditional Chinese medicine grown in Sichuan, China. We chose C. blinii as material to explore the way plants respond to iron. Our results showed that iron increased the content of endogenous auxin, glandular trichomes (GTs) density and the content of blinin, the characteristic diterpene in C. blinii. Most of the key enzymes in the blinin synthesis pathway (MEP) were upregulated under iron by RNA sequencing. CbHO-1 (Heme oxygenase gene) was upregulated under exogenous IAA treatment. Taken together, these results suggest that C. blinii respond to iron through auxin- terpenoids metabolism, and this process may be related to CbHO-1.
{"title":"Conyza blinii responds to the changes of exogenous iron through auxin-terpenoids metabolism pathway","authors":"Ming-Lu Yang, Tianrun Zheng, Junyi Zhan, Maojia Wang, Wenjun Sun, Min Zhou, Zizhong Tang, Tongliang Bu, Qingfeng Li, Hui Chen","doi":"10.1080/17429145.2022.2053596","DOIUrl":"https://doi.org/10.1080/17429145.2022.2053596","url":null,"abstract":"ABSTRACT As an essential trace element, iron is a necessary micronutrient for most organisms. Conyza blinii (C. blinii) is a traditional Chinese medicine grown in Sichuan, China. We chose C. blinii as material to explore the way plants respond to iron. Our results showed that iron increased the content of endogenous auxin, glandular trichomes (GTs) density and the content of blinin, the characteristic diterpene in C. blinii. Most of the key enzymes in the blinin synthesis pathway (MEP) were upregulated under iron by RNA sequencing. CbHO-1 (Heme oxygenase gene) was upregulated under exogenous IAA treatment. Taken together, these results suggest that C. blinii respond to iron through auxin- terpenoids metabolism, and this process may be related to CbHO-1.","PeriodicalId":16830,"journal":{"name":"Journal of Plant Interactions","volume":"17 1","pages":"485 - 495"},"PeriodicalIF":3.2,"publicationDate":"2022-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44376118","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-03-14DOI: 10.1080/17429145.2022.2049381
M. Vergine, S. Pavan, C. Negro, Francesca Nicolì, David Greco, Erika Sabella, Alessio Aprile, L. Ricciardi, L. De Bellis, A. Luvisi
ABSTRACT The outbreak of the olive quick decline syndrome caused by Xylella fastidiosa represents one of the main agricultural threats in Italy. Recently, thirty asymptomatic or paucisymptomatic genotypes found in olive groves heavily compromised by the bacterium were identified. HPLC ESI/MS-TOF analyses on leaf petiole extract were carried out to characterize the metabolic profile of selected genotypes. Besides uni- and multi-variate statistical methods differentiated the metabolic profiles of olive genotypes genetically related to the cultivars ‘Leccino’ and ‘Ciciulara’, no common metabolic pattern was found among the selected genotypes with respect to susceptible one. In-depth evaluation of seven selected phenolic compounds highlighted quantitative differences between genotypes and the susceptible control cultivar but a resistance-related pattern cannot be yet defind. Nevertheless, an unusually high concentration of quercetin-3-O-rhamnoside characterized a genotype genetically related to Tunisian cultivars which displayed no symptoms besides high bacterial concentration, suggesting how tolerance may be related to peculiar phenolic profiles.
{"title":"Phenolic characterization of olive genotypes potentially resistant to Xylella","authors":"M. Vergine, S. Pavan, C. Negro, Francesca Nicolì, David Greco, Erika Sabella, Alessio Aprile, L. Ricciardi, L. De Bellis, A. Luvisi","doi":"10.1080/17429145.2022.2049381","DOIUrl":"https://doi.org/10.1080/17429145.2022.2049381","url":null,"abstract":"ABSTRACT The outbreak of the olive quick decline syndrome caused by Xylella fastidiosa represents one of the main agricultural threats in Italy. Recently, thirty asymptomatic or paucisymptomatic genotypes found in olive groves heavily compromised by the bacterium were identified. HPLC ESI/MS-TOF analyses on leaf petiole extract were carried out to characterize the metabolic profile of selected genotypes. Besides uni- and multi-variate statistical methods differentiated the metabolic profiles of olive genotypes genetically related to the cultivars ‘Leccino’ and ‘Ciciulara’, no common metabolic pattern was found among the selected genotypes with respect to susceptible one. In-depth evaluation of seven selected phenolic compounds highlighted quantitative differences between genotypes and the susceptible control cultivar but a resistance-related pattern cannot be yet defind. Nevertheless, an unusually high concentration of quercetin-3-O-rhamnoside characterized a genotype genetically related to Tunisian cultivars which displayed no symptoms besides high bacterial concentration, suggesting how tolerance may be related to peculiar phenolic profiles.","PeriodicalId":16830,"journal":{"name":"Journal of Plant Interactions","volume":"17 1","pages":"462 - 474"},"PeriodicalIF":3.2,"publicationDate":"2022-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48773473","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
ABSTRACT Streptomyces JD211 induces rice resistance and reduces the disease index of rice blast. However, the key pathways or components involved in the defense mechanism by which antagonistic microorganisms cause resistance have not been elucidated. To better understand the cellular process involved in JD211-induced resistance, the changes of proteomics in the rice treated with JD211 and Magnaporthe oryzae were investigated. Most proteins associated with porphyrin and chlorophyll biosynthesis decreased in M. oryzae-infected rice, whereas these proteins increased in the rice treated with JD211. Proteins increased by JD211 were also involved in the phenylpropanoid pathway, signal transduction, and ascorbate biosynthesis. These results indicated that JD211 could protect rice from M. oryzae damages by promoting signal transduction and inducing the production of phenylpropanoids. JD211 contributed to energy synthesis for defense responses in plants, reduced the damage of M. oryzae, and improved the rice resistance by inducing an array of defense responses more quickly and efficiently in the rice. The obtained data provide not only important information for understanding the molecular mechanism involved in JD211-induced resistance but also application clues for genetic breeding of crops with the improved M. oryzae resistance.
{"title":"iTRAQ-based proteomic analysis of rice seedlings’ resistance induced by Streptomyces JD211 against Magnaporthe oryzae","authors":"Lei Wei, Zhengying Shao, Yanhui Fu, Zhang Li, Guorong Ni, Xin Cheng, Yangping Wen, Saijin Wei","doi":"10.1080/17429145.2022.2048106","DOIUrl":"https://doi.org/10.1080/17429145.2022.2048106","url":null,"abstract":"ABSTRACT Streptomyces JD211 induces rice resistance and reduces the disease index of rice blast. However, the key pathways or components involved in the defense mechanism by which antagonistic microorganisms cause resistance have not been elucidated. To better understand the cellular process involved in JD211-induced resistance, the changes of proteomics in the rice treated with JD211 and Magnaporthe oryzae were investigated. Most proteins associated with porphyrin and chlorophyll biosynthesis decreased in M. oryzae-infected rice, whereas these proteins increased in the rice treated with JD211. Proteins increased by JD211 were also involved in the phenylpropanoid pathway, signal transduction, and ascorbate biosynthesis. These results indicated that JD211 could protect rice from M. oryzae damages by promoting signal transduction and inducing the production of phenylpropanoids. JD211 contributed to energy synthesis for defense responses in plants, reduced the damage of M. oryzae, and improved the rice resistance by inducing an array of defense responses more quickly and efficiently in the rice. The obtained data provide not only important information for understanding the molecular mechanism involved in JD211-induced resistance but also application clues for genetic breeding of crops with the improved M. oryzae resistance.","PeriodicalId":16830,"journal":{"name":"Journal of Plant Interactions","volume":"17 1","pages":"475 - 484"},"PeriodicalIF":3.2,"publicationDate":"2022-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41979819","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-03-06DOI: 10.1080/17429145.2022.2045370
Li Liu, Xiu-jie Li, Bo Li, MingYue Sun, Shao-xuan Li
ABSTRACT Growth-regulating factors (GRFs) are plant-specific transcription factors with vital roles in multiple biological processes. Although GRFs have been identified in various plant species, a comprehensive analysis of GRF genes in peach (Prunus persica) has not yet been reported. In this study, 10 PpGRF genes distributed on 6 chromosomes were identified in peach genome and their properties were analyzed systematically. Expression pattern analysis suggested that most PpGRFs were preferentially expressed in young tissues. Multiple types of cis-elements were observed in PpGRF promoters, and PpGRFs positively respond to ultraviolet B-rays (UVB) and gibberellin (GA) treatments at the transcriptional level. Also, the content of gibberellic acid 3 (GA3) and indole-3-acetic acid (IAA) changed significantly after UVB irradiation. PpGRF 3, 4, 5, 6, 7, 9 and 10 positive responses to UVB and GA3 signals. The evolutionary patterns and expression profiles of PpGRFs detected in this study increase understanding of the important roles in peach.
{"title":"Genome-wide analysis of the GRF gene family and their expression profiling in peach (Prunus persica)","authors":"Li Liu, Xiu-jie Li, Bo Li, MingYue Sun, Shao-xuan Li","doi":"10.1080/17429145.2022.2045370","DOIUrl":"https://doi.org/10.1080/17429145.2022.2045370","url":null,"abstract":"ABSTRACT Growth-regulating factors (GRFs) are plant-specific transcription factors with vital roles in multiple biological processes. Although GRFs have been identified in various plant species, a comprehensive analysis of GRF genes in peach (Prunus persica) has not yet been reported. In this study, 10 PpGRF genes distributed on 6 chromosomes were identified in peach genome and their properties were analyzed systematically. Expression pattern analysis suggested that most PpGRFs were preferentially expressed in young tissues. Multiple types of cis-elements were observed in PpGRF promoters, and PpGRFs positively respond to ultraviolet B-rays (UVB) and gibberellin (GA) treatments at the transcriptional level. Also, the content of gibberellic acid 3 (GA3) and indole-3-acetic acid (IAA) changed significantly after UVB irradiation. PpGRF 3, 4, 5, 6, 7, 9 and 10 positive responses to UVB and GA3 signals. The evolutionary patterns and expression profiles of PpGRFs detected in this study increase understanding of the important roles in peach.","PeriodicalId":16830,"journal":{"name":"Journal of Plant Interactions","volume":"17 1","pages":"437 - 449"},"PeriodicalIF":3.2,"publicationDate":"2022-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45254042","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
ABSTRACT Calmodulin (CaM) and Calmodulin-like (CML) genes are the primary families of Calcium (Ca2+) sensors which are found to be involved in response to various stresses. Some genes involved in Ca2+ signal transduction have been genome-wide characterized in various species. However, the detailed identification, characterization, and expression profilings of ZmCaM and ZmCML genes in maize remain poorly understood, especially in the response to drought stress. In this study, a total of 7 ZmCaMs and 46 ZmCMLs are identified in maize and unevenly located on 10 chromosomes. ZmCaM and ZmCML proteins are divided into 9 groups. Protein structures analysis shows that the EF-hand motif number of ZmCaMs/ZmCMLs ranges from 3 to 4 and 2 to 4, respectively. A large number of cis-regulatory elements are found in the promoter regions of ZmCaM and ZmCML genes. ZmCaM and ZmCML genes display highly diversified tissue-specific expression patterns. Furthermore, ZmCaM2, ZmCML3, ZmCML6, ZmCML8, ZmCML19, ZmCML24, ZmCML27, ZmCML28, ZmCML36, ZmCML39, and ZmCML40 are induced significantly under drought stress through RNA-seq data and RT-qPCR. Taken together, these results will help to understand the critical roles of ZmCaM and ZmCML genes played in drought resistance and provide valuable candidate genes that could be used to develop drought-resistant maize.
钙调素（CaM）和钙调素样（CML）基因是钙（Ca2+）传感器的主要家族，它们与各种应激反应有关。一些参与Ca2+信号转导的基因已经在不同物种中进行了全基因组表征。然而，玉米中ZmCaM和ZmCML基因的详细鉴定、表征和表达谱仍知之甚少，尤其是在对干旱胁迫的反应中。在本研究中，在玉米中共鉴定出7个ZmCaMs和46个ZmCML，它们在10条染色体上的位置不均匀。ZmCaM和ZmCML蛋白分为9组。蛋白质结构分析表明，ZmCaMs/ZmCML的EF手基序数分别为3-4和2-4。在ZmCaM和ZmCML基因的启动子区发现了大量的顺式调控元件。ZmCaM和ZmCML基因表现出高度多样化的组织特异性表达模式。此外，通过RNA-seq数据和RT-qPCR，在干旱胁迫下显著诱导ZmCaM2、ZmCML3、ZmCML6、ZmCM L8、ZmC L19、ZmL L24、ZmM L27、ZmS L28、Zm C L36、ZmCSL39和ZmCML40。总之，这些结果将有助于理解ZmCaM和ZmCML基因在抗旱性中的关键作用，并为开发抗旱玉米提供有价值的候选基因。
{"title":"Identification and expression analysis revealed drought stress-responsive Calmodulin and Calmodulin-like genes in maize","authors":"Zhen Wang, Lihong Wang, Jiaxin Li, Wei Yang, Jiabin Ci, Xuejiao Ren, Wei Wang, Yingbai Wang, Liangyu Jiang, Weiguang Yang","doi":"10.1080/17429145.2022.2047235","DOIUrl":"https://doi.org/10.1080/17429145.2022.2047235","url":null,"abstract":"ABSTRACT Calmodulin (CaM) and Calmodulin-like (CML) genes are the primary families of Calcium (Ca2+) sensors which are found to be involved in response to various stresses. Some genes involved in Ca2+ signal transduction have been genome-wide characterized in various species. However, the detailed identification, characterization, and expression profilings of ZmCaM and ZmCML genes in maize remain poorly understood, especially in the response to drought stress. In this study, a total of 7 ZmCaMs and 46 ZmCMLs are identified in maize and unevenly located on 10 chromosomes. ZmCaM and ZmCML proteins are divided into 9 groups. Protein structures analysis shows that the EF-hand motif number of ZmCaMs/ZmCMLs ranges from 3 to 4 and 2 to 4, respectively. A large number of cis-regulatory elements are found in the promoter regions of ZmCaM and ZmCML genes. ZmCaM and ZmCML genes display highly diversified tissue-specific expression patterns. Furthermore, ZmCaM2, ZmCML3, ZmCML6, ZmCML8, ZmCML19, ZmCML24, ZmCML27, ZmCML28, ZmCML36, ZmCML39, and ZmCML40 are induced significantly under drought stress through RNA-seq data and RT-qPCR. Taken together, these results will help to understand the critical roles of ZmCaM and ZmCML genes played in drought resistance and provide valuable candidate genes that could be used to develop drought-resistant maize.","PeriodicalId":16830,"journal":{"name":"Journal of Plant Interactions","volume":"17 1","pages":"450 - 461"},"PeriodicalIF":3.2,"publicationDate":"2022-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43678240","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
ABSTRACT Species interactions alter with environmental change, which influences the relationship between biodiversity and ecosystem functioning (BEF). How BEF relationships change with environments requires knowledge of the changes of functional attributes in individual species in response to environmental change. Here, we assembled experimental plant communities with different species richness (1, 2, 4, 8, and 16) and exposed them to a drought stress gradient (control, moderate and intensive drought stress). Functional redundancy decreased with increasing drought stress for a shift from selection effect to complementarity effect. In response to drought stress, species interactions shifted from competition to facilitation and the role of light-asymmetric competition in the competitive ability of species gradually decreased. Many species that are redundant under control conditions make essential contributions to biomass production under moderate and intensive drought stress conditions. Consequently, biodiversity effects should be evaluated from a predicted climate change model and redundant species should be carefully defined.
{"title":"Functional redundancy changes along a drought stress gradient for the shift of selection effect to complementarity effect in experimental plant communities","authors":"Song Gao, Xiaoyan Wang, Tong Chen, Qiaodi Yan, Mengchun Shen, Jianguo Wang, Fei Yu","doi":"10.1080/17429145.2022.2027031","DOIUrl":"https://doi.org/10.1080/17429145.2022.2027031","url":null,"abstract":"ABSTRACT Species interactions alter with environmental change, which influences the relationship between biodiversity and ecosystem functioning (BEF). How BEF relationships change with environments requires knowledge of the changes of functional attributes in individual species in response to environmental change. Here, we assembled experimental plant communities with different species richness (1, 2, 4, 8, and 16) and exposed them to a drought stress gradient (control, moderate and intensive drought stress). Functional redundancy decreased with increasing drought stress for a shift from selection effect to complementarity effect. In response to drought stress, species interactions shifted from competition to facilitation and the role of light-asymmetric competition in the competitive ability of species gradually decreased. Many species that are redundant under control conditions make essential contributions to biomass production under moderate and intensive drought stress conditions. Consequently, biodiversity effects should be evaluated from a predicted climate change model and redundant species should be carefully defined.","PeriodicalId":16830,"journal":{"name":"Journal of Plant Interactions","volume":"17 1","pages":"427 - 436"},"PeriodicalIF":3.2,"publicationDate":"2022-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46859401","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-03-02DOI: 10.1080/17429145.2022.2045369
Lei Fang, Yanyou Wu
ABSTRACT Karstification forms tremendous karst carbon sinks in the Earth. Whether terrestrial higher plants can absorb and utilize bicarbonate, there is a key testimony that karst carbon sinks can be transformed into carbon sequestrations by terrestrial higher plants. The uptake and use of root-derived bicarbonate, photosynthesis, phosphoenolpyruvate carboxylase and ribulose-1,5-bisphosphate carboxylase contents of Broussonetia papyrifera (Bp) and Morus alba L. (Ma) were measured. This study provides the most direct and primary evidence for the transformation using the bidirectional isotope tracer technique. The transformation may result from the synergism in the absorption and utilization of photosynthetic and nonphotosynthetic pathway, and simultaneously strengthen karst carbon sink and carbon sequestrations of plants, while it had no effect on photosynthetic CO2 assimilation in leaves. Differences in the transformation result in the discrepancies of Bp and Ma in the adaptation to karst environments. Karst-adaptable plants can more regulate the entire carbon cycle.
{"title":"Bicarbonate uptake experiment show potential karst carbon sinks transformation into carbon sequestration by terrestrial higher plants","authors":"Lei Fang, Yanyou Wu","doi":"10.1080/17429145.2022.2045369","DOIUrl":"https://doi.org/10.1080/17429145.2022.2045369","url":null,"abstract":"ABSTRACT Karstification forms tremendous karst carbon sinks in the Earth. Whether terrestrial higher plants can absorb and utilize bicarbonate, there is a key testimony that karst carbon sinks can be transformed into carbon sequestrations by terrestrial higher plants. The uptake and use of root-derived bicarbonate, photosynthesis, phosphoenolpyruvate carboxylase and ribulose-1,5-bisphosphate carboxylase contents of Broussonetia papyrifera (Bp) and Morus alba L. (Ma) were measured. This study provides the most direct and primary evidence for the transformation using the bidirectional isotope tracer technique. The transformation may result from the synergism in the absorption and utilization of photosynthetic and nonphotosynthetic pathway, and simultaneously strengthen karst carbon sink and carbon sequestrations of plants, while it had no effect on photosynthetic CO2 assimilation in leaves. Differences in the transformation result in the discrepancies of Bp and Ma in the adaptation to karst environments. Karst-adaptable plants can more regulate the entire carbon cycle.","PeriodicalId":16830,"journal":{"name":"Journal of Plant Interactions","volume":"17 1","pages":"419 - 426"},"PeriodicalIF":3.2,"publicationDate":"2022-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48020360","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-03-01DOI: 10.1080/17429145.2022.2038293
E. Kenawy, M. Rashad, A. Hosny, Samah Shendy, Dina Gad, K. Saad-Allah
ABSTRACT Scarcity of water is a substantial impediment to the growth and yield of crop species. In this study, free-radical copolymerization was used to tailor novel formulations of superabsorbent nanocomposites (SANCs). The prepared SANCs were characterized using FT-IR spectra, SEM micrograph, TGA and X-Ray diffraction. Following SANC preparation, the swelling behavior was examined. Also, SANC's soil burial degradation and water retention were investigated. A pot trial was performed to examine the growth performance and physio-biochemical traits of Faba bean in the presence and absence of SANC under water-stress (40% FC). Water stress decreased chlorophyl and sugars contents, CAT, APX, SOD, and PPO activities. Nonetheless, water stress raised POD and GR activities, and AsA, DPPH, PMA, H2O2, MDA, and soluble proteins levels. SANC alleviated water stress by boosting Faba bean growth and physiological characteristics. SANC enhanced Chl b, carotenoids, Fv/Fm, CAT, GR and SOD, contributing to better growth of stressed Faba bean.
{"title":"Enhancement of growth and physiological traits under drought stress in Faba bean (Vicia faba L.) using nanocomposite","authors":"E. Kenawy, M. Rashad, A. Hosny, Samah Shendy, Dina Gad, K. Saad-Allah","doi":"10.1080/17429145.2022.2038293","DOIUrl":"https://doi.org/10.1080/17429145.2022.2038293","url":null,"abstract":"ABSTRACT Scarcity of water is a substantial impediment to the growth and yield of crop species. In this study, free-radical copolymerization was used to tailor novel formulations of superabsorbent nanocomposites (SANCs). The prepared SANCs were characterized using FT-IR spectra, SEM micrograph, TGA and X-Ray diffraction. Following SANC preparation, the swelling behavior was examined. Also, SANC's soil burial degradation and water retention were investigated. A pot trial was performed to examine the growth performance and physio-biochemical traits of Faba bean in the presence and absence of SANC under water-stress (40% FC). Water stress decreased chlorophyl and sugars contents, CAT, APX, SOD, and PPO activities. Nonetheless, water stress raised POD and GR activities, and AsA, DPPH, PMA, H2O2, MDA, and soluble proteins levels. SANC alleviated water stress by boosting Faba bean growth and physiological characteristics. SANC enhanced Chl b, carotenoids, Fv/Fm, CAT, GR and SOD, contributing to better growth of stressed Faba bean.","PeriodicalId":16830,"journal":{"name":"Journal of Plant Interactions","volume":"17 1","pages":"404 - 418"},"PeriodicalIF":3.2,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49629610","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-02-27DOI: 10.1080/17429145.2022.2038710
Axel Mithöfer
ABSTRACT Carnivorous plants reverse the order we expect in nature: here, animals do not feed on plants, but plants hunt and feed on animal prey, primarily insects, thereby enabling these plants to survive in nutrient-poor environments. In addition to this strategy, some carnivorous plants also form unique symbiotic relationships with animals other than insects to access nutrients. Other important interactions of carnivorous plants with insects, such as pollinators and herbivores, have received far less attention or have been largely neglected. This review describes and summarizes various ecologically relevant biotic interactions between carnivorous plants and other organisms reported in recent studies. In particular, our understanding on how carnivorous plants, for example, handle the pollinator–prey-conflict or interact with and respond to herbivores is still incomplete. Strategies and mechanisms on how carnivorous plants address these challenges are presented. Finally, future directions in carnivorous plant research are proposed.
{"title":"Carnivorous plants and their biotic interactions","authors":"Axel Mithöfer","doi":"10.1080/17429145.2022.2038710","DOIUrl":"https://doi.org/10.1080/17429145.2022.2038710","url":null,"abstract":"ABSTRACT Carnivorous plants reverse the order we expect in nature: here, animals do not feed on plants, but plants hunt and feed on animal prey, primarily insects, thereby enabling these plants to survive in nutrient-poor environments. In addition to this strategy, some carnivorous plants also form unique symbiotic relationships with animals other than insects to access nutrients. Other important interactions of carnivorous plants with insects, such as pollinators and herbivores, have received far less attention or have been largely neglected. This review describes and summarizes various ecologically relevant biotic interactions between carnivorous plants and other organisms reported in recent studies. In particular, our understanding on how carnivorous plants, for example, handle the pollinator–prey-conflict or interact with and respond to herbivores is still incomplete. Strategies and mechanisms on how carnivorous plants address these challenges are presented. Finally, future directions in carnivorous plant research are proposed.","PeriodicalId":16830,"journal":{"name":"Journal of Plant Interactions","volume":"17 1","pages":"333 - 343"},"PeriodicalIF":3.2,"publicationDate":"2022-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43021994","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-02-27DOI: 10.1080/17429145.2022.2036836
Lubna, M. Khan, S. Asaf, R. Jan, M. Waqas, Kyung-Min Kim, In-Jung Lee
ABSTRACT Salinity stress is one of the most serious environmental stress that inhibits plant growth. In this study, we adopted an environment friendly technique and screened different plant growth-promoting fungi for different plant growth promoting (PGP) traits and salinity stress. Among those isolates, Bipolaris sp. CSL-1 was selected based on plant growth-promoting characteristics, such as producing indole-3-acetic acid (IAA), gibberellins (GAs), organic acids and resistance to sodium chloride (NaCl) stress. Here, we found that inoculating soybean with isolate CSL-1 significantly increased shoot and root length, shoot and root fresh and dry weight and chlorophyll content under NaCl stress (200 mM). Endogenous abscisic acid (ABA) levels were significantly decreased, whereas salicylic acid (SA) levels were increased in CSL-1-inoculated plants under NaCl stress. NaCl-treated noninoculated plants showed higher levels of antioxidants and oxidative stress such as peroxidase, polyphenol oxidase (PPO), malondialdehyde (MDA) and superoxide anion (SOA). Furthermore, CSL-1 inoculation improved soybean resistance to NaCl stress, and there was a significant decrease in GmFDL19, GmNARK, and GmSIN1 expression levels. As a result, the fungal isolate CSL-1 mitigates the effect of salt stress and enhance soybean growth and might be used as a valuable ecofriendly microorganism resource in salt-affected areas.
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