Article
The purine metabolite allantoin enhances abiotic stress tolerance through synergistic activation of abscisic acid metabolism.
Plant, cell & environment - 1 Apr 2014
Watanabe Shunsuke, Matsumoto Mayumi, Hakomori Yuki, Takagi Hiroshi, Shimada Hiroshi, Sakamoto Atsushi
Abstract excerpt
Purine catabolism is regarded as a housekeeping function that remobilizes nitrogen for plant growth and development. However, emerging evidence suggests that certain purine metabolites might contribute to stress protection of plants. Here, we show that in Arabidopsis, the intermediary metabolite allantoin plays a role in abiotic stress tolerance via activation of abscisic acid (ABA) metabolism. The aln...
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