Send to

Choose Destination
Plant Mol Biol. 2002 Mar-Apr;48(5-6):649-65.

Chromosome regions and stress-related sequences involved in resistance to abiotic stress in Triticeae.

Author information

Istituto Sperimentale per la Cerealicoltura, Fiorenzuola d'Arda, PC, Italy.


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.

[Indexed for MEDLINE]

Supplemental Content

Loading ...
Support Center