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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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        Abstract - Issue Jul 2008, 29 (4)                                                                                                             Back


Cloning and expression analysis of a small HSP26 gene ofPacific abalone
(Haliotis discus hannai)

Eun Mi Park1,2, Young Ok Kim1, Bo Hye Nam*1, Hee Jeong Kong1, Woo Jin Kim1, Sang Jun Lee1,
Young Ju Jee1, In Soo Kong2 and Tae Jin Choi1,3

1Biotechnology Research Institute, National Fisheries Research and Development Institute, 408-1 Sirang ri,
Gijang eup, Gijang gun, Busan 619-902, Republic of Korea
2Department of Biotechnology and Bioengineering, Pukyong National University, 599-1 Daeyeon dong,
Nam gu, Busan 608-737, Republic of Korea
3Department of Microbiology, Pukyong National University, 599-1 Daeyeon dong, Nam gu, Busan 608-737, Republic of Korea

(Received: March 12, 2007; Revised received: February 18, 2008; Accepted: February 25, 2008)

Abstract: Heat shock proteins (HSPs) are evolutionally conserved from micro organism to mammals and play important roles in many biological processes including thermal tolerance. We isolated a homologue of small HSP26 (sHSP26) from a subtracted cDNA library of heat shock-treated abalone (Haliotis discus hannai). The abalone sHSP26 encompossed 793 nt, including a coding region of 501 nt. The deduced amino acid sequence of the abalone sHSP26 contained well conserved a-crystallin domain and showed overall identities of 27-31% with the other speciesí sHSP proteins. The abalone sHSP26 transcript was induced by heat shock treatment, but not by cold shock treatment.

Key words: Pacific abalone, Heat shock protein, Small HSP26, Thermal stress

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