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GrainGenes Reference Report: PMB-48-649

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Reference	PMB-48-649
Title	Chromosome regions and stress-related sequences involved in resistance to abiotic stress in Triticeae
Journal	Plant Molecular Biology
Year	2002
Volume	48
Pages	649-665
Author	Cattivelli L [ Show all 9 ]
Abstract	Summary: Drought, low temperature and salinity are the most important abiotic stress factors limiting crop productivity. A genomic map of major loci and QTLs affecting stress tolerance in Triticeae identified the crucial role of the group 5 chromosomes, where the highest concentration of QTLs and major loci controlling plant's adaptation to the environment (heading date, frost and salt tolerance) has been found. In addition, a conserved region with a major role in drought tolerance has been localized to the group 7 chromosomes. Extensive molecular biological studies have led to the cloning of many stress-related genes and responsive elements. The expression of some stress-related genes was shown to be linked to stress-tolerant QTLs, suggesting that these genes may represent the molecular basis of stress tolerance. The development of suitable genetic tools will allow the role of stress-related sequences and their relationship with stress-tolerant loci to be established in the near future
Keyword	[ Hide all but 1 of 53 ] abiotic stress abiotic stresses abscisic acid adaptation addition barley chromosome cis-acting element cloning cold cold acclimation conserved region crop crop productivity date dehydrin multigene family drought drought tolerance element elements environment gene group-5 group-7 heading heading date hordeum vulgare l locus low temperature map molecular-basis productivity qtl quantitative trait loci region regulated barley gene resistance responsive element review salinity salt salt stress salt tolerance sequence stress stress tolerance stress-related genes temperature temperature-responsive gene tolerance tool triticeae water-use efficiency

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