Engineering drought tolerance in plants through CRISPR/Cas genome editing

文献类型： 外文期刊

第一作者： Joshi, Raj Kumar

作者： Joshi, Raj Kumar;Bharat, Suhas Sutar;Mishra, Rukmini

作者机构：

关键词： Abiotic stress; Drought; Crispr; cas; Genome editing

期刊名称：3 BIOTECH （ 影响因子：2.406； 五年影响因子：3.203 ）

ISSN： 2190-572X

年卷期： 2020 年 10 卷 9 期

页码：

收录情况： SCI

摘要： Drought stress is primarily responsible for heavy yield losses and productivity in major crops and possesses the greatest threat to the global food security. While conventional and molecular breeding approaches along with genetic engineering techniques have been instrumental in developing drought-tolerant crop varieties, these methods are cumbersome, time consuming and the genetically modified varieties are not widely accepted due to regulatory concerns. Plant breeders are now increasingly centring towards the recently available genome-editing tools for improvement of agriculturally important traits. The advent of multiple sequence-specific nucleases has facilitated precise gene modification towards development of novel climate ready crop variants. Amongst the available genome-editing platforms, the clustered regularly interspaced short palindromic repeat-Cas (CRISPR/Cas) system has emerged as a revolutionary tool for its simplicity, adaptability, flexibility and wide applicability. In this review, we focus on understanding the molecular mechanism of drought response in plants and the application of CRISPR/Cas genome-editing system towards improved tolerance to drought stress.

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