Do ectoparasites on fish gills “talk” with gut microbiota far away?

The ectoparasites Dactylogyrus lamellatus usually infest fish gills and cause severe damage to the gill tissues of the host. However, whether the ectoparasites influence gut microbiota is still unknown. In this study, gut microbiota combined with histopathological characteristics, biochemical parame...

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Bibliographic Details
Published in:Aquaculture 2023-01, Vol.562, p.738880, Article 738880
Main Authors: Wang, Lin, Zhang, Defeng, Xie, Jun, Chang, Ouqin, Wang, Qing, Shi, Cunbin, Zhao, Fei, Gong, Hua, Ren, Yan, Musa, Najiah, Lee, Kok Leong, Pan, Houjun
Format: Article
Language:English
Subjects:
Bacteroides
Cetobacterium
Dactylogyrus lamellatus
GPX
Grass carp
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Summary:The ectoparasites Dactylogyrus lamellatus usually infest fish gills and cause severe damage to the gill tissues of the host. However, whether the ectoparasites influence gut microbiota is still unknown. In this study, gut microbiota combined with histopathological characteristics, biochemical parameters, and relative expression of immune-related genes were analyzed in grass carp severely infected (SI), mildly infected (MI) and uninfected (UI) with D. lamellatus. Deep amplicon sequencing of the 16S rRNA gene of the gut microbiota revealed that the diversity of the SI group was significantly reduced than UI group (p 
ISSN:0044-8486
1873-5622
DOI:10.1016/j.aquaculture.2022.738880