Document Detail

Development of visual cells in the Pacific bluefin tuna Thunnus orientalis.
MedLine Citation:
PMID:  19288257     Owner:  NLM     Status:  MEDLINE    
The development of rod and cone photoreceptor cells was investigated in the retinas of Pacific bluefin tuna larvae and juveniles, using RET-P1 monoclonal antibody labeling to identify photoreceptors. At 60 h after hatching, which was about when feeding began, opsin (presumably green opsin (Rh2)) was expressed in the outer segments of cone cells. At 15 days after hatching (dah), although many labeled cone cells were observed in the dorsal retina, the same type of cone cells had partially appeared in the ventral retina. The presence of rod cell bodies was confirmed by the expression of Rh1 opsin at 15 dah. At 21 dah, the presence of outer segments of rod cells was confirmed by the expression of Rh1 opsin and by morphology. The observations suggest that the cone cells were substantially operable upon the development of their outer segment at around the beginning of the post-larval stage, and the rod cells began to function at around 15 to 21 dah, before and during metamorphosis.
R Matsuura; Y Sawada; Y Ishibashi
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2009-03-15
Journal Detail:
Title:  Fish physiology and biochemistry     Volume:  36     ISSN:  1573-5168     ISO Abbreviation:  Fish Physiol. Biochem.     Publication Date:  2010 Sep 
Date Detail:
Created Date:  2010-08-19     Completed Date:  2010-12-20     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100955049     Medline TA:  Fish Physiol Biochem     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  391-402     Citation Subset:  IM    
Department of Fisheries, School of Agriculture, Kinki University, Nakamachi, Nara, Japan.
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MeSH Terms
Age Factors
Antibodies, Monoclonal
Larva / growth & development
Morphogenesis / physiology*
Opsins / metabolism
Photoreceptor Cells, Vertebrate / physiology*
Tuna / growth & development*
Reg. No./Substance:
0/Antibodies, Monoclonal; 0/Opsins

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