Role of PtrZPT2-1 Gene in Plant Tolerance to Multiple Abiotic StressesAugust 23, 2017
In plants, most Cys2/His2 zinc finger proteins with two zinc finger domains (ZPT2) are involved in abiotic stress responses. A team from Jiangxi Agricultural University in China, led by Dechun Liu, cloned and studied the role of a ZPT2 gene family, PtrZPT2-1 from trifoliate orange (Poncirus trifoliata), in abiotic stress response.
PtrZPT2-1 was revealed to be contained in the nucleus. PtrZPT2-1 expression is strongly induced by cold, drought, salt and abiotic stresses. Overexpression of PtrZPT2-1 increased the survival rates in the transgenic tobacco after cold, drought or salt stress treatments. In addition, expression levels of 15 abiotic stress-related genes were all significantly increased in the transgenic tobacco overexpressing PtrZPT2-1 after the abiotic stress treatments.
These results show that overexpression of PtrZPT2-1 in the transgenic tobacco could be used to develop crops with improved cold, drought, and salt resistance.
For more information on this study, read the article in Plant Science.
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