Fish Microbiomes

A special issue of Microorganisms (ISSN 2076-2607). This special issue belongs to the section "Environmental Microbiology".

Deadline for manuscript submissions: closed (30 September 2021) | Viewed by 3195

Special Issue Editor


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Guest Editor
University of Bergen, Bergen, Norway
Interests: geomicrobiology; microbial ecology; metagenomics; systems biology

Special Issue Information

Dear Colleagues,

A microbiome describes the totality of microbes, their genomes and their interactions in a particular environment. In recent years, investigations of fish microbiota have expanded our knowledge of the complex interactions occurring between microbes and host fish. However, compared to studies of humans and many other mammals, our current knowledge of fish microbiomes is still in its infancy. Aquaculture is the fastest growing animal food sector worldwide and is expected to further increase to meet the demands of the the growing human population. Further knowledge on fish microbiota may help to improve fish welfare and render the aquaculture industry more sustainable. 

The objective of this Special Issue on fish microbiomes is to assemble a coherent set of papers that show the wide range of current fish microbiome research and stimulate further empirical and theoretical studies. Manuscripts covering all aspects of research relating to fish microbiomes are welcome, including connections between microbiota in the regulation of host physiology, environmental and host-specific factors affecting microbiota composition and actions, and the structure and functioning of fish pathobiomes.

Dr. Håkon Dahle
Guest Editor

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Microorganisms is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Dr. Håkon Dahle
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Microorganisms is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

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Published Papers (1 paper)

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14 pages, 3132 KiB  
Article
Red Cusk-Eel (Genypterus chilensis) Gut Microbiota Description of Wild and Aquaculture Specimens
by Jaime Romero, Osmán Díaz, Claudio D. Miranda and Rodrigo Rojas
Microorganisms 2022, 10(1), 105; https://doi.org/10.3390/microorganisms10010105 - 4 Jan 2022
Cited by 16 | Viewed by 2720
Abstract
Chile has promoted the diversification of aquaculture and red cusk-eel (Genypterus chilensis) is one of the prioritized species. However, many aspects of the biology of the species are unknown or have little information available. These include intestinal microbiota, an element that [...] Read more.
Chile has promoted the diversification of aquaculture and red cusk-eel (Genypterus chilensis) is one of the prioritized species. However, many aspects of the biology of the species are unknown or have little information available. These include intestinal microbiota, an element that may play an important role in the nutrition and defense of cultured animals for meat production. This study compares the microbiota composition of the intestinal contents of wild and aquaculture fish to explore the microbial communities present and their potential contribution to the host. DNA was extracted from the intestinal content samples and the V4 region of the 16S rRNA gene was amplified and sequenced using the Ion Torrent platform. After the examination of the sequences, strong differences were found in the composition at the level of phylum, being Firmicutes and Tenericutes the most abundant in aquaculture and wild condition, respectively. At the genus level, the Vagococcus (54%) and Mycoplasma (97%) were the most prevalent in the microbial community of aquaculture and wild condition, respectively. The evaluation of predicted metabolic pathways in these metagenomes showed that in wild condition there is an important presence of lipid metabolism belonging to the unsaturated fatty acid synthesis. In the aquaculture condition, the metabolism of terpenoids and polyketides were relevant. To our knowledge, this is the first study to characterize and compare the intestinal microbiota of red cusk-eel (Genypterus chilensis) of wild and aquaculture origin using high-throughput sequencing. Full article
(This article belongs to the Special Issue Fish Microbiomes)
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