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Quantitative trait loci analysis of glucosinolate, sugar, and organic acid concentrations in Eruca vesicaria subsp. sativa. 小白菜子中硫代葡萄糖苷、糖和有机酸含量的数量性状基因座分析。sativa。
Pub Date : 2022-10-10 DOI: 10.1186/s43897-022-00044-x
Luke Bell, Martin Chadwick, Manik Puranik, Richard Tudor, Lisa Methven, Carol Wagstaff

Eruca vesicaria subsp. sativa is a leafy vegetable of the Brassicaceae family known for its pungency. Variation in growing conditions, leaf age, agronomic practices, and variety choice lead to inconsistent quality, especially in content of isothiocyanates (ITCs) and their precursor glucosinolates (GSLs). We present the first linkage and Quantitative Trait Loci (QTL) map for Eruca, generated using a population of 139 F4 lines. A significant environmental effect on the abundance of primary and secondary metabolites was observed, with UK-grown plants containing significantly higher concentrations of glucoraphanin, malic acid, and total sugars. Italian-grown plants were characterized by higher concentrations of glucoerucin, indolic GSLs, and low monosaccharides. 20 QTL were identified and associated with robust SNP markers. Five genes putatively associated with the synthesis of the GSL 4-methoxyglucobrassicin (4MGB) were identified as candidate regulators underlying QTL. Analysis revealed that orthologs of MYB51, IGMT1 and IGMT4 present on LG1 are associated with 4MGB concentrations in Eruca. This research illustrates the utility of the map for identifying genes associated with nutritional composition in Eruca and its value as a genetic resource to assist breeding programs for this leafy vegetable crop.

小球藻亚种。紫花苜蓿是十字花科的一种多叶蔬菜,以其辛辣而闻名。生长条件、叶龄、农艺措施和品种选择的变化导致质量不一致,尤其是异硫氰酸酯(ITCs)及其前体硫代葡萄糖苷(GSL)的含量。我们提出了Eruca的第一个连锁和数量性状位点(QTL)图谱,该图谱使用139个F4系群体生成。观察到环境对初级和次级代谢产物丰度的显著影响,英国种植的植物含有显著更高浓度的萝卜硫素、苹果酸和总糖。意大利种植的植物具有较高浓度的芥子酸、吲哚GSL和低单糖的特征。鉴定出20个QTL,并与稳健的SNP标记相关。5个推测和GSL 4-甲氧基葡糖芸苔素(4MGB)合成相关的基因被鉴定为QTL的候选调控因子。分析显示,LG1上存在的MYB51、IGMT1和IGMT4的直向同源物与Eruca中的4MGB浓度有关。这项研究说明了该图谱在鉴定Eruca营养成分相关基因方面的实用性,以及它作为遗传资源的价值,以帮助这种叶菜作物的育种计划。
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引用次数: 1
LSD 4.0: an improved database for comparative studies of leaf senescence. LSD4.0:一个改进的叶片衰老比较研究数据库。
IF 10.6 Q1 HORTICULTURE Pub Date : 2022-10-10 DOI: 10.1186/s43897-022-00045-w
Jie Cao, Yang Zhang, Shuya Tan, Qi Yang, Hou-Ling Wang, Xinli Xia, Jingchu Luo, Hongwei Guo, Zhang Zhang, Zhonghai Li
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引用次数: 0
Molecular mechanisms of N-1-naphthylphthalamic acid, a chemical tool in plant biology and agriculture. 植物生物学和农业化学工具N-1-萘基邻苯二甲酸的分子机制。
Pub Date : 2022-09-26 DOI: 10.1186/s43897-022-00043-y
Mengjuan Kong, Xin Liu, Linfeng Sun, Shutang Tan
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引用次数: 1
Tomato molecular biology - special collection of papers for molecular horticulture. 番茄分子生物学-分子园艺专用论文集。
IF 10.6 Q1 HORTICULTURE Pub Date : 2022-09-20 DOI: 10.1186/s43897-022-00042-z
Graham B Seymour, Jocelyn K C Rose
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引用次数: 0
Correction: Recent progresses in molecular postharvest biology. 更正:分子采后生物学的最新进展。
IF 10.6 Q1 HORTICULTURE Pub Date : 2022-08-31 DOI: 10.1186/s43897-022-00041-0
Su-Sheng Gan
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引用次数: 0
Functional diversification and molecular mechanisms of FLOWERING LOCUS T/TERMINAL FLOWER 1 family genes in horticultural plants. 开花位点T/TERMINAL FLOWER 1家族基因在园艺植物中的功能多样性及其分子机制。
Pub Date : 2022-08-16 DOI: 10.1186/s43897-022-00039-8
Shuang Wang, Yiman Yang, Fadi Chen, Jiafu Jiang

Flowering is an important process in higher plants and is regulated by a variety of factors, including light, temperature, and phytohormones. Flowering restriction has a considerable impact on the commodity value and production cost of many horticultural crops. In Arabidopsis, the FT/TFL1 gene family has been shown to integrate signals from various flowering pathways and to play a key role in the transition from flower production to seed development. Studies in several plant species of the FT/TFL1 gene family have revealed it harbors functional diversity in the regulation of flowering. Here, we review the functional evolution of the FT/TFL1 gene family in horticulture plants and its unique regulatory mechanisms; in addition, the FT/TFL1 family of genes as an important potential breeding target is explored.

开花是高等植物的一个重要过程,受到多种因素的调节,包括光照、温度和植物激素。开花限制对许多园艺作物的商品价值和生产成本有相当大的影响。在拟南芥中,FT/TFL1基因家族已被证明可以整合来自各种开花途径的信号,并在从花朵生产到种子发育的过渡中发挥关键作用。对FT/TFL1基因家族的几种植物的研究表明,它在开花调控方面具有功能多样性。在此,我们综述了FT/TFL1基因家族在园艺植物中的功能进化及其独特的调控机制;此外,还对FT/TFL1家族基因作为重要的潜在育种靶点进行了探索。
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引用次数: 1
Recent progresses in molecular postharvest biology. 分子采后生物学的最新进展。
IF 10.6 Q1 HORTICULTURE Pub Date : 2022-08-10 DOI: 10.1186/s43897-022-00040-1
Su-Sheng Gan
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引用次数: 0
Recent advances in proteomics and metabolomics in plants. 植物蛋白质组学和代谢组学的最新进展。
IF 10.6 Q1 HORTICULTURE Pub Date : 2022-07-23 DOI: 10.1186/s43897-022-00038-9
Shijuan Yan, Ruchika Bhawal, Zhibin Yin, Theodore W Thannhauser, Sheng Zhang

Over the past decade, systems biology and plant-omics have increasingly become the main stream in plant biology research. New developments in mass spectrometry and bioinformatics tools, and methodological schema to integrate multi-omics data have leveraged recent advances in proteomics and metabolomics. These progresses are driving a rapid evolution in the field of plant research, greatly facilitating our understanding of the mechanistic aspects of plant metabolisms and the interactions of plants with their external environment. Here, we review the recent progresses in MS-based proteomics and metabolomics tools and workflows with a special focus on their applications to plant biology research using several case studies related to mechanistic understanding of stress response, gene/protein function characterization, metabolic and signaling pathways exploration, and natural product discovery. We also present a projection concerning future perspectives in MS-based proteomics and metabolomics development including their applications to and challenges for system biology. This review is intended to provide readers with an overview of how advanced MS technology, and integrated application of proteomics and metabolomics can be used to advance plant system biology research.

在过去的十年里,系统生物学和植物组学越来越成为植物生物学研究的主流。质谱和生物信息学工具的新发展,以及整合多组学数据的方法体系,利用了蛋白质组学和代谢组学的最新进展。这些进展推动了植物研究领域的快速发展,极大地促进了我们对植物代谢的机制方面以及植物与其外部环境的相互作用的理解。在这里,我们回顾了基于MS的蛋白质组学和代谢组学工具和工作流程的最新进展,特别关注它们在植物生物学研究中的应用,使用了几个与应激反应的机制理解、基因/蛋白质功能表征、代谢和信号通路探索以及天然产物发现有关的案例研究。我们还对基于MS的蛋白质组学和代谢组学发展的未来前景进行了预测,包括它们在系统生物学中的应用和挑战。这篇综述旨在为读者概述先进的MS技术以及蛋白质组学和代谢组学的综合应用如何用于推进植物系统生物学研究。
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引用次数: 0
Long-read DNA sequencing leads to the more complete sequence characterization of the fruit size reducing region flanking a Fusarium wilt resistance gene. 长阅读DNA测序导致枯萎病抗性基因侧翼的果实大小减小区域的更完整的序列特征。
Pub Date : 2022-07-02 DOI: 10.1186/s43897-022-00037-w
Tong Geon Lee
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引用次数: 1
A positive feedback regulatory loop, SA-AtNAP-SAG202/SARD1-ICS1-SA, in SA biosynthesis involved in leaf senescence but not defense response. SA生物合成中的一个正反馈调节环SA-AtNAP-SAG202/SARD1-IC1-SA参与叶片衰老,但不参与防御反应。
IF 10.6 Q1 HORTICULTURE Pub Date : 2022-06-17 DOI: 10.1186/s43897-022-00036-x
Yaxin Wang, Bin Liu, Youzhen Hu, Su-Sheng Gan

Salicylic acid (SA) is an important plant hormone that regulates defense responses and leaf senescence. It is imperative to understand upstream factors that regulate genes of SA biosynthesis. SAG202/SARD1 is a key regulator for isochorismate synthase 1 (ICS1) induction and SA biosynthesis in defense responses. The regulatory mechanism of SA biosynthesis during leaf senescence is not well understood. Here we show that AtNAP, a senescence-specific NAC family transcription factor, directly regulates a senescence-associated gene named SAG202 as revealed in yeast one-hybrid and in planta assays. Inducible overexpreesion of AtNAP and SAG202 lead to high levels of SA and precocious senescence in leaves. Individual knockout mutants of sag202 and ics1 have markedly reduced SA levels and display a significantly delayed leaf senescence phenotype. Furthermore, SA positively feedback regulates AtNAP and SAG202. Our research has uncovered a unique positive feedback regulatory loop, SA-AtNAP-SAG202-ICS1-SA, that operates to control SA biosynthesis associated with leaf senescence but not defense response.

水杨酸(SA)是一种重要的植物激素,调节防御反应和叶片衰老。必须了解调节SA生物合成基因的上游因素。SAG202/SARD1是防御反应中等容酸合成酶1(ICS1)诱导和SA生物合成的关键调节因子。SA生物合成在叶片衰老过程中的调控机制尚不清楚。在这里,我们发现AtNAP,一种衰老特异性NAC家族转录因子,直接调节名为SAG202的衰老相关基因,如在酵母一个杂交种和植物分析中所揭示的。诱导的AtNAP和SAG202的过度表达导致叶片中SA的高水平和早衰。sag202和ics1的个体敲除突变体具有显著降低的SA水平,并表现出显著延迟的叶片衰老表型。此外,SA正反馈调节AtNAP和SAG202。我们的研究发现了一个独特的正反馈调节回路,SA-AtNAP-SAG02-ICS1-SA,其作用是控制与叶片衰老相关的SA生物合成,而不是防御反应。
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引用次数: 0
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Molecular Horticulture
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