Transcriptome analysis reveals immune pathways underlying resistance in the common carp Cyprinus carpio against the oomycete Aphanomyces invadans

Dev Kumar Verma, Luca Peruzza, Franziska Trusch, Manoj Kumar Yadav, Ravindra, Sergei V. Shubin, Kenton L. Morgan, Vindhya Mohindra, Chris Hauton, Pieter van West, P. K. Pradhan, Neeraj Sood (Lead / Corresponding author)

Research output: Contribution to journalArticlepeer-review

Abstract

Infection with Aphanomyces invadans is a serious fish disease with major global impacts. Despite affecting over 160 fish species, some of the species like the common carp Cyprinus carpio are resistant to A. invadans infection. In the present study, we investigated the transcriptomes of head kidney of common carp experimentally infected with A. invadans. In time course analysis, 5288 genes were found to be differentially expressed (DEGs), of which 731 were involved in 21 immune pathways. The analysis of immune-related DEGs suggested that efficient processing and presentation of A. invadans antigens, enhanced phagocytosis, recognition of pathogen-associated molecular patterns, and increased recruitment of leukocytes to the sites of infection contribute to resistance of common carp against A. invadans. Herein, we provide a systematic understanding of the disease resistance mechanisms in common carp at molecular level as a valuable resource for developing disease management strategies for this devastating fish-pathogenic oomycete.

Original languageEnglish
Number of pages13
JournalGenomics
Early online date28 Oct 2020
DOIs
Publication statusE-pub ahead of print - 28 Oct 2020

Keywords

  • Aphanomyces invadans
  • Common carp
  • Disease resistance
  • Head kidney
  • Immune response
  • RNA sequencing

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