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Zoological Research
Kunming Institute of Zoology, Chinese Academy of Sciences
ISSN: 2095-8137
Vol. 33, No. 3, 2012, pp. 304-313
Bioline Code: zr12046
Full paper language: English
Document type: Research Article
Document available free of charge

Zoological Research, Vol. 33, No. 3, 2012, pp. 304-313

 en Identification and expressional analysis of green fluorescent protein genes in amphioxus
XU, Wei; Li, Wei-Ye & WANG, Yi-Quan


Endogenous green fluorescent proteins (GFPs) have recently been found in amphioxus, where different characteristics of light production in different development stages and between different individuals have manifested. We identified the GFP genes in an amphioxus species Branchiostoma belcheri check for this species in other resources and monitored real time fluorescence signals of GFPs during different developmental stages to provide an insight on the GFP function in amphioxus. We found there are at least 12 endogenous GFP genes in amphioxus genome, and fluorescent expression changes in body position during different developmental stages. Additionally, GFP expression after metamorphosis development differed significantly among different amphioxus individuals, suggesting that there are multiple GFP homologous genes responsible for fluorescent expression. Expression levels of these genes varied significantly during different developmental stages, indicating that different GFP genes may have their unique functions in the development of amphioxus during specific phases of growth.

Amphioxus; GFP; Gene clone; Expressional

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