期刊
GENETICS AND MOLECULAR BIOLOGY
卷 42, 期 1, 页码 80-86出版社
SOC BRASIL GENETICA
DOI: 10.1590/1678-4685-GMB-2017-0365
关键词
Leaf senescence; salt-induced protein (salT); rice; stay-green
资金
- National Natural Science Foundation of China [31671720, 31201189]
- Universities Natural Science Research Project of Jiangsu Province [12KJB210002]
- Distinguished Scholars Research Foundation of Jiangsu University [10JDG134]
Senescence, a highly programmed process, largely determines yield and quality of crops. However, knowledge about the onset and progression of leaf senescence in crop plants is still limited. Here, we report that salt-induced protein (salT), a new gene, may be involved in leaf senescence. Overexpressing salT could prolong the duration of leaves with higher concentrations of chlorophyll compared with the wild type. Moreover, overexpression of salT could delay the senescence of rice leaves though the inhibition of senescence associated genes (SAGs). Overall, the characterization of salT suggested that it is a new gene affecting the leaf senescence induced by natural and dark conditions.
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