Molecular cloning, characterization and expression analysis of complement components in red sea bream (Pagrus major) after Edwardsiella tarda and red sea bream Iridovirus (RSIV) challenge

Mohammad Ali Noman Reza, Sipra Mohapatra, Sonoko Shimizu, Shin Ichi Kitamura, Shogo Harakawa, Hidemasa Kawakami, Kei Nakayama, Eitaro Sawayama, Takahiro Matsubara, Kohei Ohta, Tapas Chakraborty

研究成果: Contribution to journalArticle

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The complement system plays an important role in immune regulation and acts as the first line of defense against any pathogenic attack. To comprehend the red sea bream (Pagrus major) immune response, three complement genes, namely, pmC1r, pmMASP and pmC3, belonging to the classical, lectin and alternative complement cascade, respectively, were identified and characterized. pmC1r, pmMASP, and pmC3 were comprised of 2535, 3352, and 5735 base mRNA which encodes 732, 1029 and 1677 aa putative proteins, respectively. Phylogenetically, all the three studied genes clustered with their corresponding homologous clade. Tissue distribution and cellular localization data demonstrated a very high prevalence of all the three genes in the liver. Both bacterial and viral infection resulted in significant transcriptional alterations in all three genes in the liver with respect to their vehicle control counterparts. Specifically, bacterial challenge affected the pmMASP and pmC3 expression, while the viral infection resulted in pmC1r and pmC3 mRNA activation. Altogether, our data demonstrate the ability of pmC1r, pmMASP and pmC3 in bringing about an immune response against any pathogenic encroachment, and thus activating, not only one, but all the three complement pathways, in red sea bream.

元の言語英語
ページ(範囲)286-295
ページ数10
ジャーナルFish and Shellfish Immunology
82
DOI
出版物ステータス出版済み - 11 2018

All Science Journal Classification (ASJC) codes

  • Environmental Chemistry
  • Aquatic Science

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