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SAL1 mutants survive prolonged drought 40-50 per cent longer than wild-type plants whilst maintaining leaf and stem biomass.
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Introduction ANU researchers have discovered that mutations in the SAL1 gene confer improved stress resistance, including drought tolerance, in mutant plants. Opportunity ANU researchers have discovered that mutations in the SAL1 gene confer improved stress resistance, including drought tolerance, in mutant plants. SAL1 mutants survive prolonged drought 40-50 per cent longer than wild-type plants whilst maintaining leaf and stem biomass. SAL1 appears to negatively regulate drought tolerance and as a consequence, mutants maintain full turgor and water potential under stress. Manipulation of the gene via both GM and non-GM routes is possible as well as tissue specific and temporal regulation.