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Comparative Transcriptomic Analyses of Different Jujube Cultivars Reveal the Co-Regulation of Multiple Pathways during Fruit Cracking.
Hou, Lu; Li, Meng; Zhang, Chenxing; Liu, Ningwei; Liu, Xinru; Bo, Wenhao; Pang, Xiaoming; Li, Yingyue.
Afiliación
  • Hou L; National Engineering Laboratory for Tree Breeding, College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China.
  • Li M; Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, China.
  • Zhang C; The Tree and Ornamental Plant Breeding and Biotechnology Laboratory of National Forestry and Grassland Administration, College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China.
  • Liu N; National Engineering Laboratory for Tree Breeding, College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China.
  • Liu X; Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, China.
  • Bo W; The Tree and Ornamental Plant Breeding and Biotechnology Laboratory of National Forestry and Grassland Administration, College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China.
  • Pang X; National Engineering Laboratory for Tree Breeding, College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China.
  • Li Y; Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, China.
Genes (Basel) ; 13(1)2022 01 02.
Article en En | MEDLINE | ID: mdl-35052445
Fruit cracking is a common physiological disorder in many fruit species. Jujube (Ziziphus jujuba Mill.) is an economically valuable fruit in which fruit cracking seriously affects fruit yield and quality and causes significant economic losses. To elucidate cracking-related molecular mechanisms, the cracking-susceptible cultivars 'Cuizaohong' and 'Jinsixiaozao' and the cracking-resistant cultivar 'Muzao' were selected, and comparative transcriptome analyses of cracking and non-cracking 'Cuizaohong' (CC and NC), cracking and non-cracking 'Jinsixiaozao' (CJ and NJ), and non-cracking 'Muzao' (NM) were conducted. A total of 131 differentially expressed genes (DEGs) were common to the CC vs. NC and CJ vs. NJ comparisons. To avoid passive processes after fruit cracking, we also mainly focused on the 225 gradually downregulated DEGs in the CJ, NJ, and NM samples. The functional annotation of the candidate DEGs revealed that 61 genes related to calcium, the cell wall, the cuticle structure, hormone metabolism, starch/sucrose metabolism, transcription factors, and water transport were highly expressed in cracking fruits. We propose that expression-level changes in these genes might increase the turgor pressure and weaken mechanical properties, ultimately leading to jujube fruit cracking. These results may serve as a rich genetic resource for future investigations on fruit cracking mechanisms in jujube and in other fruit species.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Proteínas de Plantas / Factores de Transcripción / Regulación de la Expresión Génica de las Plantas / Ziziphus / Transcriptoma / Frutas Idioma: En Revista: Genes (Basel) Año: 2022 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: Proteínas de Plantas / Factores de Transcripción / Regulación de la Expresión Génica de las Plantas / Ziziphus / Transcriptoma / Frutas Idioma: En Revista: Genes (Basel) Año: 2022 Tipo del documento: Article País de afiliación: China Pais de publicación: Suiza