首页|Genome wide investigation of Hsf gene family in Phoebe bournei:identification,evolution,and expression after abiotic stresses
Genome wide investigation of Hsf gene family in Phoebe bournei:identification,evolution,and expression after abiotic stresses
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Heat shock transcription factors(Hsfs)have important roles during plant growth and development and responses to abiotic stresses.The identification and func-tion of Hsf genes have been thoroughly studied in various herbaceous plant species,but not woody species,especially Phoebe bournei,an endangered,unique species in China.In this study,17 members of the Hsf gene family were identi-fied from P.bournei using bioinformatic methods.Phyloge-netic analysis indicated that PbHsf genes were grouped into three subfamilies:A,B,and C.Conserved motifs,three-dimensional structure,and physicochemical properties of the PbHsf proteins were also analyzed.The structure of the PbHsf genes varied in the number of exons and introns.Pre-diction of cis-acting elements in the promoter region indi-cated that PbHsf genes are likely involved in responses to plant hormones and stresses.A collinearity analysis dem-onstrated that expansions of the PbHsf gene family mainly take place via segmental duplication.The expression levels of PbHsf genes varied across different plant tissues.On the basis of the expression profiles of five representative PbHsf genes during heat,cold,salt,and drought stress,PbHsf pro-teins seem to have multiple functions depending on the type of abiotic stress.This systematic,genome-wide investigation of PbHsf genes in P.bournei and their expression patterns provides valuable insights and information for further func-tional dissection of Hsf proteins in this endangered,unique species.
College of Forestry,Fujian Agriculture and Forestry University,Fuzhou 350002,People's Republic of China
University Key Laboratory of Forest Stress Physiology,Ecology and Molecular Biology of Fujian Province,Fuzhou 350002,People's Republic of China
Fujian Academy of Forestry Sciences,Fuzhou 350002,People's Republic of China
College of Plant Protection,Fujian Agriculture and Forestry University,Fuzhou 350002,People's Republic of China
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Fujian Province Seed Industry Innovation and Industrialization ProjectSubproject of National Key R&D Program"Phoebe bornei Efficient Cultivation Technology"
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NSTL
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