Shiyan Lu, Yulan Hu, Yilin Chen, Yaru Yang, Yue Jin, Ping Li*, Xiangyang Hu*
Phyton-International Journal of Experimental Botany, Vol.91, No.9, pp. 1879-1891, 2022, DOI:10.32604/phyton.2022.022605
- 13 May 2022
Abstract Putrescine (Put) as the compound of plant polyamines is catalyzed by arginine decarboxylase (ADC), which is encoded by two members, ADC1 and ADC2 in Arabidopsis, and ADC2 is mainly responsible for Put biosynthesis. Accumulated evidence demonstrates the important function of Put in plant growth and development, but its role in regulating seed germination under high temperature (HT) has not been reported yet. SOMNUS (SOM) is the negative regulator for seed germination thermoinhibition by altering downstream gibberellin (GA) and abscisic acid (ABA) metabolism. In this study, we found exogenous application of Put obviously alleviated the inhibition effect… More >
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