Genomics

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Identification of genes associated with resistance to acute hepatopancreatic necrosis disease (AHPND) in Litopenaeus vannamei


ABSTRACT: Acute hepatopancreatic necrosis disease (AHPND) is a shrimp farming disease, caused by a pathogenic Vibrio parahaemolyticus carrying a plasmid encoding Vp_PirAB-like toxin (VpAHPND). Whiteleg shrimp, Litopenaeus vannamei were fed food pellets containing formalin-killed VpAHPND (FKC-VpAHPND) to select for toxin resistance. To identify genes associated with Vp_PirAB-like toxin resistance, total RNA was sequenced to identify differentially expressed genes (DEGs) in the stomach and hepatopancreas among surviving shrimp (sur-FKC), AHPND-infected shrimp (Vp-inf) and normal shrimp (control). From a total of 79,591 genes, 194 and 224 DEGs were identified in the stomach and hepatopancreas transcriptomes, respectfully. The expressions of DEGs were validated by qPCR of ten genes. Only one gene, a gene homologous to L vannamei anti-lipopolysaccharide factor AV-R isoform (LvALF AV-R), was expressed significantly more strongly in sur-FKC than in the other groups. The association of LvALF AV-R expression and toxin resistance was affirmed from the surviving shrimp in a second-trial of FKC-VpAHPND feeding. These results suggest that LvALF AV-R may be involved in shrimp defense mechanisms against Vp_PirAB-like toxin virulence. Overall design: Total RNA of stomach and hepatopancreas from 3 groups of control (N =3), Vp-inf (N=3), and sur-FKC (N=4) were prepared library with Truseq Stranded mRNA Library Prep Kit. RNA-seq was genrated by Illumina MiSeq

INSTRUMENT(S): Illumina MiSeq (Litopenaeus vannamei)

ORGANISM(S): Penaeus vannamei  

SUBMITTER: Sasiwipa Tinwongger  

PROVIDER: GSE104715 | GEO | 2019-01-01

REPOSITORIES: GEO

Dataset's files

Source:
Action DRS
GSE104715_all_vannamei.TMM.EXPR.matrix.txt.gz Txt
GSE104715_all_vannamei.counts.matrix.txt.gz Txt
GSE104715_trinity_Lvannamei-all-HP-St.fasta.gz Fasta.gz
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Publications

Identification of an anti-lipopolysaccharide factor AV-R isoform (LvALF AV-R) related to Vp_PirAB-like toxin resistance in Litopenaeus vannamei.

Tinwongger Sasiwipa S   Thawonsuwan Jumroensri J   Kondo Hidehiro H   Hirono Ikuo I  

Fish & shellfish immunology 20181004


Acute hepatopancreatic necrosis disease (AHPND) is a shrimp farming disease, caused by the pathogenic Vibrio parahaemolyticus carrying a plasmid encoding Vp_PirAB-like toxins. Formalin-killed cells of V. parahaemolyticus AHPND-causing strain D6 (FKC-VpD6) were used to select Vp_PirAB-like toxin-resistant Litopenaeus vannamei by oral administration. Stomach and hepatopancreas tissues of shrimps that survived for one week were subjected to RNA sequencing. Differentially expressed genes (DEGs) betw  ...[more]

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