Molecular characterization and expression analysis of Hsp90 in Schizothorax prenanti
文献类型: 外文期刊
第一作者: Zhu, Jieyao
作者: Zhu, Jieyao;Wang, Hong;Zhang, Xin;Hao, Jin;Wu, Yuanbin;Li, Zhiqiong;Chen, Defang;Geng, Yi;Wang, Kaiyu;Zhou, Jian;Chen, Defang;Zhou, Jian;Chen, Defang
作者机构:
关键词: Hsp90;Schizothorax prenanti;Gene expression;Molecular characterization;Bacterial infection
期刊名称:CELL STRESS & CHAPERONES ( 影响因子:3.667; 五年影响因子:3.717 )
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收录情况: SCI
摘要: Aquatic animals suffer from various environmental stresses because the aquatic environment is a very complex system. To monitor the health status of fish, Hsp90 a potential early warning marker was determined in Schizothorax prenanti after infection with a bacterium. In this study, we cloned Hsp90 from S. prenanti for the first time. The full-length cDNA sequence of SpHsp90 was 2663 bp, contains an open reading frame of 2181 bp, and has a gene encoding 726 amino acids, an estimated molecular mass of 83.38 kDa, and a theoretical isoelectric point of 4.91. The SpHsp90 amino acid sequence has five conserved HSP90 family signatures and shares 87.0-95.5 % identity with other vertebrates. Phylogenetic analysis and structure comparison indicated that SpHsp90 should be a beta isoform of the HSP90 family. SpHsp90 was ubiquitously expressed in all examined tissues, and the highest level of expression was in the kidney. After Streptococcus agalactiae infection, the level of SpHsp90 expression had significant changes (P < 0.05) in the hepatopancreas, spleen, kidney, and blood. The expression increased to the highest level at 6 h in the blood and at 24 h in the hepatopancreas, spleen, and kidney. The results suggested that the SpHsp90 gene could be induced by S. agalactiae in S. prenanti and that SpHsp90 may be involved in resistance to bacterial infection and provide an early warning information. The kidney is the most suitable for detecting SpHsp90 after bacterial infection.
分类号: Q1
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