Comparison of Gene Expression Between Resistant and Susceptible Families Against VPAHPND and Identification of Biomarkers Used for Resistance Evaluation in Litopenaeus vannamei

Acute hepatopancreatic necrosis disease (AHPND) has caused a heavy loss to shrimp aquaculture since its outbreak. Vibrio parahaemolyticus (VPAHPND) is regarded as one of the main pathogens that caused AHPND in the Pacific white shrimp Litopenaeus vannamei. In order to learn more about the mechanism...

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Autores principales: Qian Zhang, Yang Yu, Zheng Luo, Jianhai Xiang, Fuhua Li
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Publicado: Frontiers Media S.A. 2021
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spelling oai:doaj.org-article:0ccfac51a9a0406894fdc595f5bcde0c2021-12-01T07:35:48ZComparison of Gene Expression Between Resistant and Susceptible Families Against VPAHPND and Identification of Biomarkers Used for Resistance Evaluation in Litopenaeus vannamei1664-802110.3389/fgene.2021.772442https://doaj.org/article/0ccfac51a9a0406894fdc595f5bcde0c2021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fgene.2021.772442/fullhttps://doaj.org/toc/1664-8021Acute hepatopancreatic necrosis disease (AHPND) has caused a heavy loss to shrimp aquaculture since its outbreak. Vibrio parahaemolyticus (VPAHPND) is regarded as one of the main pathogens that caused AHPND in the Pacific white shrimp Litopenaeus vannamei. In order to learn more about the mechanism of resistance to AHPND, the resistant and susceptible shrimp families were obtained through genetic breeding, and comparative transcriptome approach was used to analyze the gene expression patterns between resistant and susceptible families. A total of 95 families were subjected to VPAHPND challenge test, and significant variations in the resistance of these families were observed. Three pairs of resistant and susceptible families were selected for transcriptome sequencing. A total of 489 differentially expressed genes (DEGs) that presented in at least two pairwise comparisons were screened, including 196 DEGs highly expressed in the susceptible families and 293 DEGs in the resistant families. Among these DEGs, 16 genes demonstrated significant difference in all three pairwise comparisons. Gene set enrichment analysis (GSEA) of all 27,331 expressed genes indicated that some energy metabolism processes were enriched in the resistant families, while signal transduction and immune system were enriched in the susceptible families. A total of 32 DEGs were further confirmed in the offspring of the detected families, among which 19 genes were successfully verified. The identified genes in this study will be useful for clarifying the genetic mechanism of shrimp resistance against Vibrio and will further provide molecular markers for evaluating the disease resistance of shrimp in the breeding program.Qian ZhangQian ZhangYang YuYang YuZheng LuoZheng LuoJianhai XiangJianhai XiangFuhua LiFuhua LiFuhua LiFuhua LiFrontiers Media S.A.articlegene expressiondisease resistancemolecular markerVibrio parahaemolyticusLitopenaeus vannameiGeneticsQH426-470ENFrontiers in Genetics, Vol 12 (2021)
institution DOAJ
collection DOAJ
language EN
topic gene expression
disease resistance
molecular marker
Vibrio parahaemolyticus
Litopenaeus vannamei
Genetics
QH426-470
spellingShingle gene expression
disease resistance
molecular marker
Vibrio parahaemolyticus
Litopenaeus vannamei
Genetics
QH426-470
Qian Zhang
Qian Zhang
Yang Yu
Yang Yu
Zheng Luo
Zheng Luo
Jianhai Xiang
Jianhai Xiang
Fuhua Li
Fuhua Li
Fuhua Li
Fuhua Li
Comparison of Gene Expression Between Resistant and Susceptible Families Against VPAHPND and Identification of Biomarkers Used for Resistance Evaluation in Litopenaeus vannamei
description Acute hepatopancreatic necrosis disease (AHPND) has caused a heavy loss to shrimp aquaculture since its outbreak. Vibrio parahaemolyticus (VPAHPND) is regarded as one of the main pathogens that caused AHPND in the Pacific white shrimp Litopenaeus vannamei. In order to learn more about the mechanism of resistance to AHPND, the resistant and susceptible shrimp families were obtained through genetic breeding, and comparative transcriptome approach was used to analyze the gene expression patterns between resistant and susceptible families. A total of 95 families were subjected to VPAHPND challenge test, and significant variations in the resistance of these families were observed. Three pairs of resistant and susceptible families were selected for transcriptome sequencing. A total of 489 differentially expressed genes (DEGs) that presented in at least two pairwise comparisons were screened, including 196 DEGs highly expressed in the susceptible families and 293 DEGs in the resistant families. Among these DEGs, 16 genes demonstrated significant difference in all three pairwise comparisons. Gene set enrichment analysis (GSEA) of all 27,331 expressed genes indicated that some energy metabolism processes were enriched in the resistant families, while signal transduction and immune system were enriched in the susceptible families. A total of 32 DEGs were further confirmed in the offspring of the detected families, among which 19 genes were successfully verified. The identified genes in this study will be useful for clarifying the genetic mechanism of shrimp resistance against Vibrio and will further provide molecular markers for evaluating the disease resistance of shrimp in the breeding program.
format article
author Qian Zhang
Qian Zhang
Yang Yu
Yang Yu
Zheng Luo
Zheng Luo
Jianhai Xiang
Jianhai Xiang
Fuhua Li
Fuhua Li
Fuhua Li
Fuhua Li
author_facet Qian Zhang
Qian Zhang
Yang Yu
Yang Yu
Zheng Luo
Zheng Luo
Jianhai Xiang
Jianhai Xiang
Fuhua Li
Fuhua Li
Fuhua Li
Fuhua Li
author_sort Qian Zhang
title Comparison of Gene Expression Between Resistant and Susceptible Families Against VPAHPND and Identification of Biomarkers Used for Resistance Evaluation in Litopenaeus vannamei
title_short Comparison of Gene Expression Between Resistant and Susceptible Families Against VPAHPND and Identification of Biomarkers Used for Resistance Evaluation in Litopenaeus vannamei
title_full Comparison of Gene Expression Between Resistant and Susceptible Families Against VPAHPND and Identification of Biomarkers Used for Resistance Evaluation in Litopenaeus vannamei
title_fullStr Comparison of Gene Expression Between Resistant and Susceptible Families Against VPAHPND and Identification of Biomarkers Used for Resistance Evaluation in Litopenaeus vannamei
title_full_unstemmed Comparison of Gene Expression Between Resistant and Susceptible Families Against VPAHPND and Identification of Biomarkers Used for Resistance Evaluation in Litopenaeus vannamei
title_sort comparison of gene expression between resistant and susceptible families against vpahpnd and identification of biomarkers used for resistance evaluation in litopenaeus vannamei
publisher Frontiers Media S.A.
publishDate 2021
url https://doaj.org/article/0ccfac51a9a0406894fdc595f5bcde0c
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