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ShCIGT Confers Abiotic Stress Tolerance in Tomato
Posted by: Prof. Dr. M. Raupp (IP Logged)
Date: February 25, 2018 07:48AM

The trihelix transcription factor family plays important roles in plant
morphological development and adaptation to abiotic stresses. Huazhong
Agricultural University researchers, led by Chuying Yu have isolated a
cold-induced gene, ShCIGT, from the wild tomato Solanum habrochaites. The
team aims to study its role in abiotic stress tolerance.

ShCIGT was found to be expressed in various plant tissues. Its expression is
induced by multiple abiotic stresses as well as abscisic acid (ABA).
Overexpression of ShCIGT in the cultivated tomato (Solanum lycopersicum)
enhanced its cold and drought stress tolerance.

Further analysis found that the ShCIGT protein interacts with SnRK1, an
energy sensor in the metabolic signaling network, which controls plant
metabolism, growth and development, and stress tolerance.

Based on these data, the team concluded that ShCIGT may be of potential use
to improve abiotic-stress tolerance in tomato.


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