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Molecular cloning and functional analysis of the FLOWERING LOCUS T (FT) homolog GhFT1 from Gossypium hirsutum
Guo, DL (Guo, Danli); Li, C (Li, Chao); Dong, R (Dong, Rui); Li, XB (Li, Xiaobo); Xiao, XW (Xiao, Xiangwen); Huang, XZ (Huang, Xianzhong)
2015
Source PublicationJOURNAL OF INTEGRATIVE PLANT BIOLOGY
ISSN1672-9072
Volume57Issue:6Pages:522-533
Abstract

FLOWERING LOCUS T (FT) encodes a member of the phosphatidylethanolamine-binding protein (PEBP) family that functions as the mobile floral signal, playing an important role in regulating the floral transition in angiosperms. We isolated an FT-homolog (GhFT1) from Gossypium hirsutum L. cultivar, Xinluzao 33 GhFT1 was predominantly expressed in stamens and sepals, and had a relatively higher expression level during the initiation stage of fiber development. GhFT1 mRNA displayed diurnal oscillations in both long-day and short-day condition, suggesting that the expression of this gene may be under the control of the circadian clock. Subcellular analysis revealed that GhFT1 protein located in the cytoplasm and nucleus. Ectopic expression of GhFT1 in transgenic arabidopsis plants resulted in early flowering compared with wild-type plants. In addition, ectopic expression of GhFT1 in arabidopsis ft-10 mutants partially rescued the extremely late flowering phenotype. Finally, several flowering related genes functioning downstream of AtFT were highly upregulated in the 35S::GhFT1 transgenic arabidopsis plants. In summary, GhFT1 is an FT-homologous gene in cotton that regulates flower transition similar to its orthologs in other plant species and thus it may be a candidate target for promoting early maturation in cotton breeding.

KeywordCotton Floral Transition Florigen Flowering Time Flowing Locus t
DOI10.1111/jipb.12316
Indexed BySCI
WOS IDWOS:000355697700002
Citation statistics
Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/4293
Collection省部共建新疆特有药用资源利用重点实验室
AffiliationShihezi Univ, Coll Life Sci, Key Lab Agrobiotechnol, Shihezi 832003, Peoples R China;Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Key Lab Chem Plant Resources Arid Reg, Urumqi 830011, Peoples R China
Recommended Citation
GB/T 7714
Guo, DL ,Li, C ,Dong, R ,et al. Molecular cloning and functional analysis of the FLOWERING LOCUS T (FT) homolog GhFT1 from Gossypium hirsutum[J]. JOURNAL OF INTEGRATIVE PLANT BIOLOGY,2015,57(6):522-533.
APA Guo, DL ,Li, C ,Dong, R ,Li, XB ,Xiao, XW ,&Huang, XZ .(2015).Molecular cloning and functional analysis of the FLOWERING LOCUS T (FT) homolog GhFT1 from Gossypium hirsutum.JOURNAL OF INTEGRATIVE PLANT BIOLOGY,57(6),522-533.
MLA Guo, DL ,et al."Molecular cloning and functional analysis of the FLOWERING LOCUS T (FT) homolog GhFT1 from Gossypium hirsutum".JOURNAL OF INTEGRATIVE PLANT BIOLOGY 57.6(2015):522-533.
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