TY - JOUR

T1 - RNA-Seq analysis of the guppy immune response against Gyrodactylus bullatarudis infection

AU - Konczal, Mateusz

AU - Ellison, Amy

AU - Phillips, Karl

AU - Radwan, Jacek

AU - Mohammed, Ryan

AU - Cable, Jo

AU - Chadzinska, Magdalena

PY - 2020/12

Y1 - 2020/12

N2 - Gyrodactylids are ubiquitous ectoparasites of teleost fish, but our understanding of the host immune response against them is fragmentary. Here, we used RNA-Seq to investigate genes involved in the primary response to infection with Gyrodactylus bullatarudis on the skin of guppies, Poecilia reticulata, an important evolutionary model, but also one of the most common fish in the global ornamental trade. Analysis of differentially expressed genes identified several immune-related categories, including IL-17 signalling pathway and Th17 cell differentiation, cytokine-cytokine receptor interaction, chemokine signalling pathway, NOD-like receptor signalling pathway, natural killer cell-mediated cytotoxicity, and pathways involved in antigen recognition, processing and presentation. Components of both the innate and adaptive immune responses, play a role in response to gyrodactylid infection. Genes involved in IL-17/Th17 response were particularly enriched among differentially expressed genes, suggesting a significant role for this pathway in fish responses to ectoparasites. Our results revealed a sizable list of genes potentially involved in the teleost-gyrodactylid immune response.

AB - Gyrodactylids are ubiquitous ectoparasites of teleost fish, but our understanding of the host immune response against them is fragmentary. Here, we used RNA-Seq to investigate genes involved in the primary response to infection with Gyrodactylus bullatarudis on the skin of guppies, Poecilia reticulata, an important evolutionary model, but also one of the most common fish in the global ornamental trade. Analysis of differentially expressed genes identified several immune-related categories, including IL-17 signalling pathway and Th17 cell differentiation, cytokine-cytokine receptor interaction, chemokine signalling pathway, NOD-like receptor signalling pathway, natural killer cell-mediated cytotoxicity, and pathways involved in antigen recognition, processing and presentation. Components of both the innate and adaptive immune responses, play a role in response to gyrodactylid infection. Genes involved in IL-17/Th17 response were particularly enriched among differentially expressed genes, suggesting a significant role for this pathway in fish responses to ectoparasites. Our results revealed a sizable list of genes potentially involved in the teleost-gyrodactylid immune response.

KW - Gyrodactylus

KW - RNA-Seq

KW - Th17 response

KW - ectoparasites

KW - fish

KW - guppy

KW - immunity

KW - transcriptome

U2 - 10.1111/pim.12782

DO - 10.1111/pim.12782

M3 - Article

VL - 42

JO - Parasite Immunology

JF - Parasite Immunology

SN - 0141-9838

IS - 12

M1 - e12782

ER -