期刊
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
卷 17, 期 5, 页码 -出版社
MDPI
DOI: 10.3390/ijms17050794
关键词
gibberellin signaling; rice; stamen/anther development; spikelet fertility; grain productivity
资金
- Cooperative Research Program for Agricultural Science & Technology Development, Rural Development Administration, Korea [PJ011063]
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education [2015R1A6A3A01057535]
- National Research Foundation of Korea [2015R1A6A3A01057535] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
The phytohormone gibberellic acid (GA) has essential signaling functions in multiple processes during plant development. In the Green Revolution, breeders developed high-yield rice cultivars that exhibited both semi-dwarfism and altered GA responses, thus improving grain production. Most studies of GA have concentrated on germination and cell elongation, but GA also has a pivotal role in floral organ development, particularly in stamen/anther formation. In rice, GA signaling plays an important role in spikelet fertility; however, the molecular genetic and biochemical mechanisms of GA in male fertility remain largely unknown. Here, we review recent progress in understanding the network of GA signaling and its connection with spikelet fertility, which is tightly associated with grain productivity in cereal crops.
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