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Perspective Research Progress in Cold Responses of Capsella bursa-pastoris

机译：马铃薯Cap囊寒冷反应的前瞻性研究进展

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Plants respond to cold stress by modulating biochemical pathways and array of molecular events. Plant morphology is also affected by the onset of cold conditions culminating at repression in growth as well as yield reduction. As a preventive measure, cascades of complex signal transduction pathways are employed that permit plants to endure freezing or chilling periods. The signaling pathways and related events are regulated by the plant hormonal activity. Recent investigations have provided a prospective understanding about plant response to cold stress by means of developmental pathways e.g., moderate growth involved in cold tolerance. Cold acclimation assays and bioinformatics analyses have revealed the role of potential transcription factors and expression of genes like CBF, COR in response to low temperature stress. Capsella bursa-pastoris is a considerable model plant system for evolutionary and developmental studies. On different occasions it has been proved that C. bursa-pastoris is more capable of tolerating cold than A. thaliana. But, the mechanism for enhanced low or freezing temperature tolerance is still not clear and demands intensive research. Additionally, identification and validation of cold responsive genes in this candidate plant species is imperative for plant stress physiology and molecular breeding studies to improve cold tolerance in crops. We have analyzed the role of different genes and hormones in regulating plant cold resistance with special reference to C. bursa-pastoris. Review of collected data displays potential ability of Capsella as model plant for improvement in cold stress regulation. Information is summarized on cold stress signaling by hormonal control which highlights the substantial achievements and designate gaps that still happen in our understanding.
机译：植物通过调节生化途径和一系列分子事件来应对冷胁迫。植物形态还受到寒冷条件的影响，最终导致生长受到抑制以及产量下降。作为预防措施，采用了一系列复杂的信号转导途径，使植物能够承受冰冻或寒冷的时期。信号传导途径和相关事件受植物激素活性调节。最近的研究通过发展途径例如涉及耐冷性的适度生长提供了关于植物对冷胁迫的响应的前瞻性理解。冷驯化测定法和生物信息学分析已揭示了潜在的转录因子和基因表达（如CBF，COR）对低温胁迫的响应的作用。 s菜（Capsella bursa-pastoris）是用于进化和发育研究的重要植物模型系统。在不同的情况下，已经证明布尔氏梭菌比拟南芥更能耐受寒冷。但是，增强低温或冷冻温度耐受性的机制仍不清楚，需要深入研究。另外，鉴定和验证该候选植物物种中的冷应答基因对于植物胁迫生理学和分子育种研究以提高作物的耐冷性是必不可少的。我们已经特别参照C. bursa-pastoris分析了不同基因和激素在调节植物抗寒性中的作用。对收集到的数据的回顾显示了Cap菜作为模型植物改善冷胁迫调节的潜在能力。激素控制引起的冷应激信号的信息总结如下，突出了我们所取得的重大成就并指出了我们仍在理解中的差距。

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