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KMID : 0613820120220111523
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Journal of Life Science
2012 Volume.22 No. 11 p.1523 ~ p.1528
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Association of Heat Shock Protein Beta 1 (HSPB1) Gene Expression with Tenderness in Loin Muscle of Korean Cattle (Hanwoo)
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Lim Da-Jeong
Lee Seung-Hwan
Cho Yong-Min
Choi Bong-Hwan
Choi Han-Ha
Seong Hwan-Hoo
Hong Seong-Koo
Kim Nam-Kuk
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Abstract
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In a previous proteomic study, heat shock protein beta 1 (HSPB1) was detected as differentially expressed protein in longissimus thoracis between low (grade 3) and high (grade 1++) meat quality groups by 2DE gel electrophoresis. The present study investigated an association of HSPB1 expression at the level of gene and protein with Warner-Bratzler shear force (WBS) measured in 20 Hanwoo steers. An analysis of variance (ANOVA) between expression values and WBS showed that WBS was affected by HSPB1 expression (p<0.05). The expression (at both gene and protein level) of the HSPB1 was 2 times higher in the low WBS group than that in the high WBS group (p<0.01). This result suggests that the HSPB1 gene may be a candidate gene associated with tenderness in longissimus thoracis of Korean cattle.
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KEYWORD
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Heat shock protein beta 1, gene expression, Korean cattle (Hanwoo)
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