Changes of dehydrin profiles induced by drought in winter wheat at different developmental stages

被引：12
|
作者：
Zhang, H. M. [1 ,2 ]
Zhang, L. S. [1 ]
Liu, L. [1 ]
Zhu, W. N. [1 ]
Yang, W. B. [1 ]
机构：
[1] Northwest A&F Univ, State Key Lab Crop Stress Biol Arid Areas, Coll Life Sci, Yangling 712100, Peoples R China
[2] Henan Univ Sci & Technol, Coll Food & Bioengn, Luoyang 471003, Peoples R China
来源：
BIOLOGIA PLANTARUM | 2013年 / 57卷 / 04期
基金：
中国国家自然科学基金;
关键词：
anthesis; drought resistance; jointing stage; seedling stage; soil moisture; tillering stage; Triticum aestivum; WATER-STRESS; PROTEINS; TOLERANCE; SEEDS; ACCUMULATION; ABA;
D O I：
10.1007/s10535-013-0361-x
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Two cultivars of winter wheat (Triticum aestivum L.) differing in their drought tolerance (KTC86211 and ND7532) were subjected to a progressive soil water stress and recovery at four developmental stages. Dehydrins with molecular masses of 45 and 37 kDa were constitutively accumulated during all stages in both genotypes. The 28 kDa dehydrin accumulated exclusively at seedling stage in both genotypes. The 49 and 40 kDa dehydrins accumulated at both tillering and jointing stages but showed a genotype-specific pattern. The content of most dehydrins increased with decreased soil moisture and then decreased during recovery. These results suggest that accumulation pattern of dehydrins during water stress was related to the genotype and developmental stage.
引用
收藏
页码：797 / 800
页数：4
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