Chickpea (Cicer arietinum L.) battling against heat stress: plant breeding and genomics advances.

IF 3.8 2区 生物学 Q2 BIOCHEMISTRY & MOLECULAR BIOLOGY
Uday Chand Jha, Yogesh Dashrath Naik, Manu Priya, Harsh Nayyar, Parvaze A Sofi, Radha Beena, Himabindu Kudapa, Kousik Atta, Mahendar Thudi, P V Vara Prasad, Kadambot H M Siddique
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Abstract

Global climate change, particularly the increasing frequency and intensity of heat stress, poses a significant threat to crop productivity. Chickpea (Cicer arietinum L.) employs various physiological, biochemical, and molecular mechanisms to cope with elevated temperatures, including maintaining leaf chlorophyll content to preserve the functional integrity of photosystem II (PSII) and enhancing canopy temperature depression to reduce overheating. These traits are crucial for sustaining photosynthetic efficiency, plant health, and yield stability under heat stress. Recent advances in multi-omics approaches-including genomics, transcriptomics, proteomics, and metabolomics-have enhanced our understanding of the genetic basis of heat stress tolerance in chickpea. These tools have facilitated the identification of key genes and molecular pathways involved in heat stress responses. Functional characterization of these genes has provided insights into their roles within the complex metabolic and signaling networks that underpin heat resilience. This review explores integrating conventional and modern breeding technologies with high-throughput phenotyping (HTP) platforms to accelerate genetic gains in chickpea under heat stress. HTP tools enable rapid, precise screening of heat-resilient traits, facilitating early selection of superior genotypes. We also highlight recent genomic advancements, including genome-wide association studies, whole-genome resequencing, and pangenome assemblies, which have uncovered novel structural variants, candidate genes, and haplotypes associated with heat tolerance. Leveraging these resources in conjunction with functional analyses offers new opportunities for breeding climate-resilient chickpea cultivars capable of delivering stable yields and quality under adverse conditions. These developments are crucial for safeguarding chickpea productivity and ensuring global food and nutrition security amid climate change.

鹰嘴豆(Cicer arietinum L.)对抗高温胁迫:植物育种和基因组学进展。
全球气候变化,特别是日益频繁和强烈的热胁迫,对作物生产力构成重大威胁。鹰嘴豆(Cicer arietinum L.)通过多种生理、生化和分子机制来应对高温,包括维持叶片叶绿素含量以保持光系统II (PSII)功能的完整性和加强冠层温度抑制以减少过热。这些性状对维持光合效率、植物健康和热胁迫下产量稳定至关重要。多组学方法的最新进展——包括基因组学、转录组学、蛋白质组学和代谢组学——增强了我们对鹰嘴豆耐热性遗传基础的理解。这些工具有助于识别热应激反应中涉及的关键基因和分子途径。这些基因的功能特征为它们在复杂的代谢和信号网络中的作用提供了见解,这些网络是热恢复能力的基础。本文综述了将传统育种技术和现代育种技术与高通量表型(HTP)平台相结合,以加速鹰嘴豆在高温胁迫下的遗传增益。HTP工具能够快速、精确地筛选耐热性状,促进早期选择优质基因型。我们还重点介绍了基因组学的最新进展,包括全基因组关联研究、全基因组重测序和泛基因组组装,这些研究发现了与耐热性相关的新型结构变异、候选基因和单倍型。利用这些资源与功能分析相结合,为培育气候适应型鹰嘴豆品种提供了新的机会,这些品种能够在不利条件下保持稳定的产量和质量。这些发展对于在气候变化背景下保障鹰嘴豆生产力和确保全球粮食和营养安全至关重要。
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来源期刊
Plant Molecular Biology
Plant Molecular Biology 生物-生化与分子生物学
自引率
2.00%
发文量
95
审稿时长
1.4 months
期刊介绍: Plant Molecular Biology is an international journal dedicated to rapid publication of original research articles in all areas of plant biology.The Editorial Board welcomes full-length manuscripts that address important biological problems of broad interest, including research in comparative genomics, functional genomics, proteomics, bioinformatics, computational biology, biochemical and regulatory networks, and biotechnology. Because space in the journal is limited, however, preference is given to publication of results that provide significant new insights into biological problems and that advance the understanding of structure, function, mechanisms, or regulation. Authors must ensure that results are of high quality and that manuscripts are written for a broad plant science audience.
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