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8.2
4.7
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Microorganisms
Special Issues
Marine Microorganisms and Marine Ecology
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Marine Microorganisms and Marine Ecology

A Special Issue of Microorganisms (ISSN 2076-2607) belonging to the section "Environmental Microbiology".

Deadline for manuscript submissions: 31 January 2027 | Viewed by 1459

Editors

Dr. Yingchun Mu

E-Mail Website
Guest Editor
Key Laboratory of Control of Quality and Safety for Aquatic Products, Ministry of Agriculture and Rural Affairs, Chinese Academy of Fishery Sciences, Beijing 100141, China
Interests: quality and safety of aquatic products; technical support and management of fishery standardization
Dr. Lei Huang

E-Mail Website
Guest Editor
College of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin 300384, China
Interests: structural analysis of biologically produced polymers; bioremediation of environmental contaminants
Dr. Xin Hu

E-Mail Website
Guest Editor
Chinese Academy of Fishery Sciences, Beijing 100141, China
Interests: metal toxicity; contamination; microbial community; functional potential; exopolysaccharide; immunomodulatory activity; cryoprotective activity; adsorption

Special Issue Information

Dear Colleagues,

Marine microorganisms represent the most abundant and dynamic components of the Earth's biosphere. They serve as the ‘engine room’ of the ocean, driving global biogeochemical cycles and maintaining the stability of marine ecosystems. In an era defined by rapid climate change and increasing anthropogenic pressures, understanding the functional diversity and ecological roles of these microscopic entities has never been more critical.

As Guest Editors, we are pleased to announce a new Special Issue titled ‘Marine Microorganisms and Marine Ecology’ in the journal Microorganisms (IF: 4.2, ISSN 2076-2607). This Special Issue aims to gather cutting-edge research and comprehensive reviews that explore the complex interactions between marine microbes and their environments, ranging from coastal waters to the deep sea.

Scope and Research Interests

We invite original research articles, short communications, and reviews focusing on the following key areas:

  1. Microbial diversity and community succession;
  2. Microbes in biogeochemical cycling;
  3. Bioremediation methods for environmental pollutants;
  4. Discovery of bioactive compounds and biotechnological potential;
  5. Analysis of secondary metabolites;
  6. CRISPR multi-gene target editing technology;
  7. Microbiome-mediated health and resilience in mariculture;
  8. The impact of environmental factors on the nutritional quality of aquatic products;
  9. Microbial bioindicators and ecosystem health assessment;
  10. Analysis of nutritional quality in aquatic products.

Submission Goals

Our goal is to provide a multidisciplinary platform for scientists to share insights that bridge the gap between fundamental microbial biology and global ecological conservation. We seek studies that provide mechanistic insights rather than purely descriptive surveys.

All submissions will undergo a rigorous peer-review process to ensure the highest scientific quality and impact. We look forward to receiving your contributions and collectively advancing our understanding of the invisible giants that shape our blue planet.

Dr. Yingchun Mu
Dr. Lei Huang
Dr. Xin Hu
Guest Editors

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 250 words) can be sent to the Editorial Office for assessment.

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-anonymized 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

  • marine microorganisms
  • biogeochemical cycles
  • exopolysaccharide (EPS)
  • host–microbe interactions
  • bioremediation
  • climate change
  • multi-omics

Benefits of Publishing in a Special Issue

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  • Greater discoverability: Special Issues support the reach and impact of scientific research. Articles in Special Issues are more discoverable and cited more frequently.
  • Expansion of research network: Special Issues facilitate connections among authors, fostering scientific collaborations.
  • External promotion: Articles in Special Issues are often promoted through the journal's social media, increasing their visibility.
  • Reprint: MDPI Books provides the opportunity to republish successful Special Issues in book format, both online and in print.

Further information on MDPI's Special Issue policies can be found here.

Published Papers (2 papers)

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Research

18 pages, 18528 KB  
Article
Isolation of Marine-Derived Microorganisms for PET Biodegradation
by Shijing Deng, Qiaoqiao Guo, Yunhe An, Yuqing Liu, Jianping Yin, Songbiao Shi, Tingbiao Wu, Chenlu Gu, Xinpeng Tian and Qinglian Li
Microorganisms 2026, 14(8), 1804; https://doi.org/10.3390/microorganisms14081804 - 16 Aug 2026
Viewed by 296
Abstract
The long-term accumulation of polyethylene terephthalate (PET) in marine environments may drive the evolution of microbial degradation capabilities, positioning the ocean as a valuable reservoir for discovering novel PET-degrading microorganisms. In this study, we isolated 305 marine-derived microorganisms with potential PET-degrading capability from [...] Read more.
The long-term accumulation of polyethylene terephthalate (PET) in marine environments may drive the evolution of microbial degradation capabilities, positioning the ocean as a valuable reservoir for discovering novel PET-degrading microorganisms. In this study, we isolated 305 marine-derived microorganisms with potential PET-degrading capability from samples collected from mangrove areas of Zhanjiang and the intertidal zones of Daya Bay, Shenzhen, China, using PET powder as a major carbon source. Subsequent evaluation of degradation performance via scanning electron microscopy and Fourier-transform infrared spectroscopy analysis identified 14 isolates capable of degrading PET film. These 14 strains belonged to 14 distinct species, none of which, to the best of our knowledge, has been previously documented as PET degraders. Among them, Microbacterium aurum SCSIO 85700 exhibited the most potent PET-degrading activity, achieving a weight loss of 2.1 mg (2.1%) and a 6.5% increase in relative crystallinity over 30 days. Genome analysis revealed the genetic basis underlying PET degradation and associated metabolic pathways in strain SCSIO 85700. Notably, genome mining and structural modeling identified two candidate polyester hydrolases, MA2267 and MA2443, possessing conserved His–Asp–Ser catalytic triads and exposed substrate-binding clefts resembling those of characterized PET-degrading enzymes, suggesting their potential involvement in PET depolymerization. Collectively, this study expands the recognized diversity of marine PET-degrading microorganisms and provides microbial resources for sustainable PET bioremediation. Full article
(This article belongs to the Special Issue Marine Microorganisms and Marine Ecology)
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17 pages, 3666 KB  
Article
Non-Classical Spring-to-Summer Phytoplankton Community Reorganization in Liaodong Bay Associated with Shifts in Phosphorus Regime and Nutrient Stoichiometry
by Baozhan Liu, Zhaohui Wang, Minghao Yin, Yanqing Li, Xiansheng Zhang, Guangjun Song, Xin Song, Ruiqiang Shi, Yan Liu and Jinhao Wu
Microorganisms 2026, 14(8), 1611; https://doi.org/10.3390/microorganisms14081611 - 23 Jul 2026
Viewed by 819
Abstract
In temperate coastal waters, phytoplankton communities often follow a classical seasonal pattern, with diatoms dominating in spring and dinoflagellates becoming more prominent during summer. However, spring-to-summer phytoplankton community reorganization in eutrophic Liaodong Bay remains poorly characterized. Here, we examined seasonal changes in phytoplankton [...] Read more.
In temperate coastal waters, phytoplankton communities often follow a classical seasonal pattern, with diatoms dominating in spring and dinoflagellates becoming more prominent during summer. However, spring-to-summer phytoplankton community reorganization in eutrophic Liaodong Bay remains poorly characterized. Here, we examined seasonal changes in phytoplankton communities and environmental conditions in Liaodong Bay in spring and summer 2025. The phytoplankton community underwent a marked spring-to-summer reorganization that differed from the classical seasonal pattern. In spring, dinoflagellates accounted for 63.51% of total community abundance, with the heterotrophic dinoflagellate N. scintillans comprising 99.56% of this fraction. By contrast, diatoms comprised 91.02% of the summer community, with Coscinodiscus granii, Skeletonema costatum, and other diatom taxa sharing dominance. This reorganization coincided with a seasonal shift in phosphorus regime and nutrient stoichiometry, from low dissolved inorganic phosphorus (DIP; 0.12 μmol P L⁻¹), dominance of dissolved organic phosphorus (DOP; 0.28 μmol P L⁻¹) and high N:P in spring to higher DIP (0.66 μmol P L−1), lower DOP (0.18 μmol P L−1), lower N:P, and higher Si:N in summer. Correlation and redundancy analyses indicated that the spring N. scintillans-dominated assemblage was broadly aligned with DOP-rich and high-N:P conditions, whereas summer-dominant diatoms were broadly aligned with DIP, dissolved silicate (DSi), and Si:N gradients, although not all bivariate relationships were significant. These patterns suggest that potential relative inorganic phosphorus deficiency in spring may have been less favorable for diatom dominance, whereas higher DIP, lower N:P, and higher Si:N in summer were consistent with a resource regime more favorable for multi-diatom expansion. Overall, the phytoplankton community in Liaodong Bay exhibited a non-classical seasonal reorganization from a spring N. scintillans-dominated assemblage, rather than a conventional autotrophic dinoflagellate-dominated stage, to summer multi-diatom co-dominance, coinciding with shifts in phosphorus regime and nutrient stoichiometry. Full article
(This article belongs to the Special Issue Marine Microorganisms and Marine Ecology)
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