摘要
Drought tolerance is a key trait for increasing and stabilizing barley productivity in dry areas. A number of genes have been described that respond to drought at the transcriptional level (Seki et al., 2002; Cheong et al.,
Drought tolerance is a key Wait for increasing and stabilizing barley productivity in dry areas. A number of genes have been described that respond to drought at the transcriptional level （Seki et al., 2002; Cheong et al., 2003）. Nevertheless, the molecular basis for plant tolerance to water deficit remains far from being completely understood （Ingrain and Bartels, 1996; Bruce et al., 2002）. Barley （Hordeum vulgate L.） is one of the most important cereal crops in CWANA （Central and Western Asia and Northern Africa）, where it is one of minfed crops that farmers can grow, and is often subjected to extreme water deficit during the dry seasons （Ceccarelli et al., 2004）. The grain yield is likely to be reduced very little when drought stress occurs during the vegetative period, however, it is vulnerable to drought stress during reproductive growth stage. In this study, the 22K Affymetrix Barley 1 GeneChip was used to monitor changes in the transcription levels under drought stress of two cultivars, Tadmor and WI2291, drought tolerant and sensitive, respectively. The objectives of this experiment are to identify genes affected by water deficit in barley during the reproductive stage and to gain insight into the processes involved in stress responses.
出处
《分子植物育种》
CAS
CSCD
2007年第2期181-183,共3页
Molecular Plant Breeding
基金
grants of BMZ(No:81060503)
Natural Science Foundations of China(NSFC,No:30640045).
关键词
基因表达
栽培
品种
干旱
耐受性能
Barley （Hordeum vulgare L.）, Transcription profiles, Drought stress
