Title |
Genetic variation in four maturity genes affects photoperiod insensitivity and PHYA-regulated post-flowering responses of soybean
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Published in |
BMC Plant Biology, June 2013
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DOI | 10.1186/1471-2229-13-91 |
Pubmed ID | |
Authors |
Meilan Xu, Zeheng Xu, Baohui Liu, Fanjiang Kong, Yasutaka Tsubokura, Satoshi Watanabe, Zhengjun Xia, Kyuya Harada, Akira Kanazawa, Testuya Yamada, Jun Abe |
Abstract |
Absence of or low sensitivity to photoperiod is necessary for short-day crops, such as rice and soybean, to adapt to high latitudes. Photoperiod insensitivity in soybeans is controlled by two genetic systems and involves three important maturity genes: E1, a repressor for two soybean orthologs of Arabidopsis FLOWERING LOCUS T (GmFT2a and GmFT5a), and E3 and E4, which are phytochrome A genes. To elucidate the diverse mechanisms underlying photoperiod insensitivity in soybean, we assessed the genotypes of four maturity genes (E1 through E4) in early-flowering photoperiod-insensitive cultivars and their association with post-flowering responses. |
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Geographical breakdown
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Demographic breakdown
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