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Protoporphyrin IX metabolism mediated via translocator protein (CgTspO) involved in orange shell coloration of pacific oyster (Crassostrea gigas).
Hu, Biyang; Yu, Hong; Du, Shaojun; Li, Qi.
Afiliación
  • Hu B; Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, China.
  • Yu H; Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, China.
  • Du S; Institute of Marine and Environmental Technology, Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, MD, United States.
  • Li Q; Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China. Electronic address: qili66@ouc.edu.cn.
Int J Biol Macromol ; 276(Pt 2): 134020, 2024 Sep.
Article en En | MEDLINE | ID: mdl-39038584
ABSTRACT
Mollusc shell color polymorphism is influenced by various factors. Pigments secreted in vivo by animals play a critical role in shell coloration. Among the different shell-color hues, orange pigmentation has been partially attributed to porphyrins. However, the detailed causal relationship between porphyrins and orange-shell phenotype in molluscs remains largely unexplored. The various strains of Pacific oyster (Crassostrea gigas) with different shell color provide useful models to study the molecular regulation of mollusc coloration. Accordingly, oysters with orange and gold-shells, exhibiting distinct porphyrin distributions, were selected for analysis of total metabolites and gene expression profile through mantle metabolomic and transcriptomic studies. Translocator protein (TspO) and protoporphyrin IX (PPIX) were identified as potential factors influencing oyster shell-color. The concentration of PPIX was measured using HPLC, while expression profiling of CgTspO was analyzed by qPCR, in situ hybridization, Western blotting, and immunofluorescence techniques. Moreover, the roles of CgTspO in regulating PPIX metabolism and affecting the orange-shell-coloration were investigated in vitro and in vivo. These studies indicate that PPIX and its associated metabolic protein, CgTspO may serve as new regulators of orange-shell-coloration in C. gigas. Data of this study offer new insights into oyster shell coloration and enhancing understandings of mollusc shell color polymorphism.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Protoporfirinas / Pigmentación / Crassostrea / Exoesqueleto Límite: Animals Idioma: En Revista: Int J Biol Macromol Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Países Bajos
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
Buscar en Google

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Protoporfirinas / Pigmentación / Crassostrea / Exoesqueleto Límite: Animals Idioma: En Revista: Int J Biol Macromol Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Países Bajos