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- Title
Expressive Characteristics of Drought-related Genes and Their Genetic Engineering Prospects in Crops.
- Authors
MA Yi-wen; LI Liang; WANG Nan; WANG Zhen-ping; JIANG Li-yan; HAO Zhuan-fang; WANG Zhen-hua
- Abstract
Drought restricts crop growth and yield formation, and causes a series of physiological and biochemical reactions inside of crop. Drought tolerance of crops is a complex quantitative trait controlled by multiple genes. In order to cope with water defciency, crops form multiple signaling pathways for surviving in morphology, physiology and molecular level. Under drought stress, crops activate transcription factors to regulate expression of the corresponding downstream genes, and being adapt to drought via the post-transcriptional regulation and osmotic adjustment, and maintain normal physiological and metabolic activities to reduce damage by drought stress. Stress can also induce the generation of small RNA, which regulates its target genes by inducing degradation of target gene mRNA and prevents translation, reaches the function of stress tolerance. Genetic engineering of crop drought-related genes, which can grow well under abiotic stresses, is very important. This paper summarized the function and application of genes involved in different drought response mechanisms, which will provide references for drought tolerance breeding.
- Subjects
DROUGHTS; CROP yields; PLANT genetic engineering research
- Publication
Journal of Agricultural Science & Technology (1008-0864), 2015, Vol 17, Issue 2, p33
- ISSN
1008-0864
- Publication type
Article
- DOI
10.13304/j.nykjdb.2014.707