| Expression of the alfalfa FRIGIDA-Like Gene, MsFRI-L delays flowering time in transgenic Arabidopsis thaliana. | |
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MedLine Citation:
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PMID: 23212611 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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In Arabidopsis, allelic variation at the FRIGIDA (FRI) locus is a major determinant of natural variation in flowering time. We have identified a FRIGIDA like protein gene, MsFRI-L, with unknown function from Medicago sativa L. Expression of MsFRI-L was increased in wild alfalfa under continuous cold conditions and the gene was expressed in all tissues including roots, stems, leaves and flowers, and weakest in flowers under light/dark conditions. Expression of MsFRI-L in transgenic Arabidopsis plants resulted in late flowering phenotypes under long day conditions or treated with vernalization. Subcellular analysis showed that MsFRI-L was localized in the nucleus. Transcript profiling of floral regulatory genes in MsFRI-L transgenic Arabidopsis showed enhanced expression of the flowering repressor FLOWERING LOCUS C and decreased expression of one key flowering time genes FLOWERING LOCUS T. These results suggest that MsFRI-L delays flowering time by regulating flowering genes expression under long day conditions. |
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Authors:
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Yuehui Chao; Qingchuan Yang; Junmei Kang; Tiejun Zhang; Yan Sun |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-12-5 |
Journal Detail:
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Title: Molecular biology reports Volume: - ISSN: 1573-4978 ISO Abbreviation: Mol. Biol. Rep. Publication Date: 2012 Dec |
Date Detail:
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Created Date: 2012-12-5 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0403234 Medline TA: Mol Biol Rep Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, People's Republic of China. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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