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Identification and expression analysis of CCCH gene family and screening of key low temperature stress response gene CbuC3H24 and CbuC3H58 in Catalpa bungei.
Bao, Pingan; Sun, Jingshuang; Qu, Guanzheng; Yan, Maolin; Cheng, Shiping; Ma, Wenjun; Wang, Junhui; Hu, Ruiyang.
Afiliación
  • Bao P; State Key Laboratory of Tree Genetics and Breeding, Experimental Center of Forestry in North China, Chinese Academy of Forestry, National Permanent Scientific Research Base for Warm Temperate Zone Forestry of Jiulong Mountain in Beijing, Beijing, 102300, China.
  • Sun J; State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University, Harbin, 150040, China.
  • Qu G; State Key Laboratory of Tree Genetics and Breeding, Experimental Center of Forestry in North China, Chinese Academy of Forestry, National Permanent Scientific Research Base for Warm Temperate Zone Forestry of Jiulong Mountain in Beijing, Beijing, 102300, China.
  • Yan M; State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University, Harbin, 150040, China.
  • Cheng S; Inner Mongolia Academy of Forestry, Hohhot, 010010, China.
  • Ma W; Henan Key Laboratory of Germplasm Innovation and Utilization of Eco-economic Woody Plant, Pingdingshan University, Henan, 467000, China.
  • Wang J; State Key Laboratory of Tree Genetics and Breeding, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, 100091, China.
  • Hu R; State Key Laboratory of Tree Genetics and Breeding, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, 100091, China.
BMC Genomics ; 25(1): 779, 2024 Aug 11.
Article en En | MEDLINE | ID: mdl-39128988
ABSTRACT
Catalpa bungei, a tree indigenous to China, is renowned for its superior timber quality and as an ornamental in horticulture. To promote the cultivation of C. bungei in cold regions and expand its distribution, enhancing its cold tolerance is essential. The CCCH gene family is widely involved in plant growth, development, and expression under stress conditions, including low-temperature stress. However, a comprehensive identification and analysis of these genes have not yet been conducted. This study aims to identify key cold-tolerance-related genes within the CCCH gene family of C. bungei, providing the necessary theoretical support for its expansion in cold regions. In this study, 61 CCCH genes within C. bungei were identified and characterized. Phylogenetic assessment divided these genes into 9 subfamilies, with 55 members mapped across 16 chromosomes. The analysis of gene structures and protein motifs indicated that members within the same subfamily shared similar exon/intron distribution and motif patterns, supporting the phylogenetic classification. Collinearity analysis suggested that segmental duplications have played a significant role in the expansion of the C. bungei CCCH gene family. Notably, RNA sequencing analysis under 4 °C cold stress conditions identified CbuC3H24 and CbuC3H58 as exhibiting the most significant responses, highlighting their importance within the CCCH zinc finger family in response to cold stress. The findings of this study lay a theoretical foundation for further exploring the mechanisms of cold tolerance in C. bungei, providing crucial insights for its cultivation in cold regions.
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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 / Respuesta al Choque por Frío Idioma: En Revista: BMC Genomics Asunto de la revista: GENETICA Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Reino Unido
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 / Respuesta al Choque por Frío Idioma: En Revista: BMC Genomics Asunto de la revista: GENETICA Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Reino Unido