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7.4
4.1
Journals
Microorganisms
Special Issues
Marine Bacterial Biofilm
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Marine Bacterial Biofilm

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

Deadline for manuscript submissions: closed (31 May 2022) | Viewed by 4148

Special Issue Editor

Dr. Alexis Bazire

E-Mail Website
Guest Editor
LBCM EA3884, Institut Universitaire Européen de la Mer, Université de Bretagne-Sud, 56100 Lorient, France
Interests: bacterial biofilm; genetic regulation; antibiofilm metabolite
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The marine environment is an extraordinary natural reservoir of microorganisms, most of which are still unidentified. Cells behave in multiple ways, being free living or in symbiosis with other microorganisms, but most of the time they are attached to a support, which can be living or not. This sessile life, called biofilm, allows bacteria to better tolerate variations in environmental conditions, to communicate with each other and thus organize themselves into a community. The objective of this Special Issue is to provide new data about marine biofilms, in particular on the existing interactions between the bacteria themselves, and/or with other organisms, on the link between biofilm persistence and bacterial virulence, and on the control of these interactions through communication molecules, or on the contrary, antibiofilm molecules, at the molecular, cellular and community levels.

Dr. Alexis Bazire
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.

Keywords

  • Biofilm
  • Marine bacteria
  • Virulence
  • Symbiosis
  • Molecular control

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Published Papers (1 paper)

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Research

15 pages, 2992 KiB  
Article
Effect of Input C/N Ratio on Bacterial Community of Water Biofloc and Shrimp Gut in a Commercial Zero-Exchange System with Intensive Production of Penaeus vannamei
by Wujie Xu, Guoliang Wen, Haochang Su, Yu Xu, Xiaojuan Hu and Yucheng Cao
Microorganisms 2022, 10(5), 1060; https://doi.org/10.3390/microorganisms10051060 - 20 May 2022
Cited by 25 | Viewed by 3560
Abstract
Although increasing attention has been attracted to the study and application of biofloc technology (BFT) in aquaculture, few details have been reported about the bacterial community of biofloc and its manipulation strategy for commercial shrimp production. An 8-week trial was conducted to investigate [...] Read more.
Although increasing attention has been attracted to the study and application of biofloc technology (BFT) in aquaculture, few details have been reported about the bacterial community of biofloc and its manipulation strategy for commercial shrimp production. An 8-week trial was conducted to investigate the effects of three input C/N ratios (8:1, 12:1 and 16:1) on the bacterial community of water biofloc and shrimp gut in a commercial BFT tank system with intensive aquaculture of P. vannamei. Each C/N ratio group had three randomly assigned replicate tanks (culture water volume of 30 m3), and each tank was stocked with juvenile shrimp at a density of 300 shrimp m−3. The tank systems were operated with zero-water exchange, pH maintenance and biofloc control. During the trial, the microbial biomass and bacterial density of water biofloc showed similar variation trends, with no significant difference under respective biofloc control measures for the three C/N ratio groups. Significant changes were found in the alpha diversity, composition and relative abundance of bacterial communities across the stages of the trial, and they showed differences in water biofloc and shrimp gut among the three C/N ratio groups. Meanwhile, high similarity could be found in the composition of the bacterial community between water biofloc and shrimp gut. Additionally, nitrogen dynamics in culture water showed some differences while shrimp performance showed no significant difference among the three C/N ratio groups. Together, these results confirm that the manipulation of input C/N ratio could affect the bacterial community of both water biofloc and shrimp gut in the environment of a commercial BFT system with intensive production of P. vannamei. Moreover, there should be different operations for the nitrogen dynamics and biofloc management during shrimp production process under different C/N ratios. Full article
(This article belongs to the Special Issue Marine Bacterial Biofilm)
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