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KMID : 0894520120160040301
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Development & Reproduction
2012 Volume.16 No. 4 p.301 ~ p.307
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Differential Expression Patterns of Crystallin Genes during Ocular Development of Olive Flounder (Paralichthys olivaceus)
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Yang Hyun
Lee Young-Mee
Noh Jae-Koo
Kim Hyun-Chul
Park Choul-Ji
Park Jong-Won
Hwang In-Joon
Kim Sung-Yeon
Lee Jeong-Ho
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Abstract
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Olive flounder Paralichthys olivaceus is one of the most widely cultured fish species in Korea. Although olive flounder receive attention from aquaculture and fisheries and extensive research has been conducted eye morphological change in metamorphosis, but little information was known to molecular mechanism and gene expression of eye development- related genes during the early part of eye formation period. For the reason of eyesight is the most important sense in flounder larvae to search prey, the screening and identification of expressed genes in the eye will provide useful insight into the molecular regulation mechanism of eye development in olive flounder. Through the search of an olive flounder DNA database of expressed sequence tags (EST), we found a partial sequence that was similar to crystallin beta A1 and gamma S. Microscopic observation of retinal formation correspond with the time of expression of the crystallin beta A1 and gamma S gene in the developmental stage, these result suggesting that beta A1 and gamma S play a vital role in the remodeling of the retina during eye development. The expression of crystallin beta A1 and gamma S were obviously strong in eye at all tested developing stage, it is also hypothesized that crystallin acts as a molecular chaperone to prevent protein aggregation during maturation and aging in the eye.
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KEYWORD
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Olive flounder, Crystallin beta A1, Crystallin gamma S, Eye, Retina, Developmental stage, Gene expression
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