Genomics approaches for crop improvement against abiotic stress.

Genomics approaches for crop improvement against abiotic stress.
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DOI:
10.1155/2013/361921
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发表时间:
2013
影响因子:
--
通讯作者:
Budak H
Budak H
中科院分区:
其他
文献类型:
--
作者:
Akpınar BA;Lucas SJ;Budak H

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作为固着生物,植物在其生长发育过程中不可避免地会不时地受到一种或多种胁迫因素的影响。即使在同一植物物种中,胁迫反应也有很大差异;胁迫敏感基因型处于一个极端,而胁迫耐受基因型处于另一个极端。考虑到作物在粮食和生物燃料生产中的核心作用,阐明作物的胁迫反应具有极端重要性。作物改良一直是提高产量和增强胁迫耐受性的传统问题;然而,鉴于这些胁迫的复杂性质,针对非生物胁迫的作物改良特别引人注目。传统的作物改良策略已接近其极限,基因组学研究的时代已经到来,在培育抗非生物胁迫的改良品种方面具有新的和有前途的前景。
As sessile organisms, plants are inevitably exposed to one or a combination of stress factors every now and then throughout their growth and development. Stress responses vary considerably even in the same plant species; stress-susceptible genotypes are at one extreme, and stress-tolerant ones are at the other. Elucidation of the stress responses of crop plants is of extreme relevance, considering the central role of crops in food and biofuel production. Crop improvement has been a traditional issue to increase yields and enhance stress tolerance; however, crop improvement against abiotic stresses has been particularly compelling, given the complex nature of these stresses. As traditional strategies for crop improvement approach their limits, the era of genomics research has arisen with new and promising perspectives in breeding improved varieties against abiotic stresses.
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