ArticleMarine biotechnology (New York, N.Y.)2023
Identification of Genes Related to Resistance to Ichthyophthirius multifiliis Based on Co-expression Network Analysis in Grass Carp.
Article in Marine biotechnology (New York, N.Y.), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 7 citations in OpenAlex.
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8 authors at 3 institutions in 2 countries.
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Abstract
The ciliate protozoan Ichthyophthirius multifiliis is an essential parasite causing white spot disease in grass carp, leading to significant economic losses. Understanding the molecular basis of grass carp's response to I. multifiliis has important scientific and environmental values. The transcriptional network analysis offers a valuable strategy to decipher the changes in gene expression in grass carp infected with I. multifiliis. Our goal was to screen the genes and pathways involved in resistance to I. multifiliis in grass carp. The different traits exhibited by grass carp infected with I. multifiliis may be caused by the differences in gene expression among grass carp individuals. Herein, to reveal those resistance-associated genes against I. multifiliis infection, we performed RNA sequencing using weighted gene co-expression network analysis (WGCNA). The biological function analysis and hub gene annotation for highly relevant modules revealed that different pathogen recognition and clearance responses resulted in different resistance to I. multifiliis infection. Furthermore, gene enrichment analysis revealed that I. multifiliis invasion in the disease-resistant group mainly activated immune pathways, including scavenger receptor activity and kappa B kinase/NF-kappa B signaling. By the annotation of the highly correlated module of the hub gene, we revealed that the apoptosis and ribosome biogenesis-related genes were enriched in the disease-resistant grass carp. The results of the dark grey module showed that several genes were mainly enriched in the two-component system (ko02020) and steroid biosynthesis (ko00100), suggesting that they are resistance-associated and energy metabolism-associated genes. In the disease resistance group, hub genes mainly included Nlrc3, fos, AAP8, HAP2, HAX, cho2, and zgc:113,036. This study revealed the gene network associated with disease resistance after I. multifiliis infection. The disease resistance-related pathways and central genes identified in this study are candidate references for breeders breeding disease-resistant. The results of this study may also provide some references for the development of drugs to antagonize I. multifiliis infection.
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