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The DBB Family in Populus trichocarpa: Identification, Characterization, Evolution and Expression Profiles.
Wu, Ruihua; Li, Yuxin; Wang, Lin; Li, Zitian; Wu, Runbin; Xu, Kehang; Liu, Yixin.
Afiliación
  • Wu R; College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China.
  • Li Y; Melbourne School of Design, The University of Melbourne, Parkville, VIC 3010, Australia.
  • Wang L; College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China.
  • Li Z; College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China.
  • Wu R; College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China.
  • Xu K; College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China.
  • Liu Y; College of Landscape Architecture and Art, Northwest A & F University, Yangling 712100, China.
Molecules ; 29(8)2024 Apr 17.
Article en En | MEDLINE | ID: mdl-38675643
ABSTRACT
The B-box proteins (BBXs) encode a family of zinc-finger transcription factors that regulate the plant circadian rhythm and early light morphogenesis. The double B-box (DBB) family is in the class of the B-box family, which contains two conserved B-box domains and lacks a CCT (CO, CO-like and TOC1) motif. In this study, the identity, classification, structures, conserved motifs, chromosomal location, cis elements, duplication events, and expression profiles of the PtrDBB genes were analyzed in the woody model plant Populus trichocarpa. Here, 12 PtrDBB genes (PtrDBB1-PtrDBB12) were identified and classified into four distinct groups, and all of them were homogeneously spread among eight out of seventeen poplar chromosomes. The collinearity analysis of the DBB family genes from P. trichocarpa and two other species (Z. mays and A. thaliana) indicated that segmental duplication gene pairs and high-level conservation were identified. The analysis of duplication events demonstrates an insight into the evolutionary patterns of DBB genes. The previously published transcriptome data showed that PtrDBB genes represented distinct expression patterns in various tissues at different stages. In addition, it was speculated that several PtrDBBs are involved in the responsive to drought stress, light/dark, and ABA and MeJA treatments, which implied that they might function in abiotic stress and phytohormone responses. In summary, our results contribute to the further understanding of the DBB family and provide a reference for potential functional studies of PtrDBB genes in P. trichocarpa.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Filogenia / Proteínas de Plantas / Familia de Multigenes / Regulación de la Expresión Génica de las Plantas / Evolución Molecular / Populus Idioma: En Revista: Molecules Asunto de la revista: BIOLOGIA Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Suiza
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Filogenia / Proteínas de Plantas / Familia de Multigenes / Regulación de la Expresión Génica de las Plantas / Evolución Molecular / Populus Idioma: En Revista: Molecules Asunto de la revista: BIOLOGIA Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Suiza