Special Issues

Microorganisms publishes Special Issues to create collections of papers on specific topics, with the aim of building a community of authors and readers to discuss the latest research and develop new ideas and research directions. Special Issues are led by Guest Editors, who are experts on the topic and all Special Issue submissions follow MDPI's standard editorial process. The journal’s Editor-in-Chief and/or designated Editorial Board Member will oversee Guest Editor appointments and Special Issue proposals, checking their content for relevance and ensuring the suitability of the material for the journal. The papers published in a Special Issue will be collected and displayed on a dedicated page of the journal’s website. Further information on MDPI's Special Issue policies and Guest Editor responsibilities can be found here. For any inquiries related to a Special Issue, please contact the Editorial Office.

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Microbiome in Fish and Their Living Environment
edited by and
submission deadline 10 Nov 2025 | 12 articles | Viewed by 11261 | Submission Open
Keywords: fish species; gut microbiome; dietary modification; water environment; immunity
(This special issue belongs to the Section Veterinary Microbiology)
Microorganisms in Functional Foods: 2nd Edition
edited by
submission deadline 15 Nov 2025 | 3 articles | Viewed by 7646 | Submission Open
Keywords: functional food; probiotics; prebiotics; fermentation; food microbiology; health promotion; gut diversity
(This special issue belongs to the Section Food Microbiology)
Ticks and Tick-Borne Pathogens—from Understanding to Control submission deadline 15 Nov 2025 | 2 articles | Viewed by 5426 | Submission Open
Keywords: tick biology; tick-borne pathogens; transmission-block vaccines; tick control; tick– host interactions; tick saliva; tick immunology; tick virus; tick microbiome; tick vaccine development
(This special issue belongs to the Section Public Health Microbiology)
Lactic Acid Bacteria in Food Fermentation and Biotechnology submission deadline 15 Nov 2025 | 1 articles | Viewed by 1517 | Submission Open
Keywords: genomics; transcriptomics; metabolomics; cell factories; bioactive compounds
(This special issue belongs to the Section Food Microbiology)
Rhizosphere Microbial Community, 4th Edition
edited by
submission deadline 15 Nov 2025 | 2 articles | Viewed by 1150 | Submission Open
Keywords: rhizosphere; endophytes; plant-microbe interactions
(This special issue belongs to the Section Plant Microbe Interactions)
Advances in Magnetotactic Bacteria
edited by Hongmiao Pan
submission deadline 15 Nov 2025 | Viewed by 105 | Submission Open
Keywords: magnetotactic bacteria; multicellular magnetotactic prokaryotes; magnetically responsive protists; magnetosome; biomineralization; culture; genome; evolution; environmental adaptability strategy; ecological function; magnetofossil; metagenome assembled genomes
(This special issue belongs to the Section Environmental Microbiology)
Viral Diseases: Current Research and Future Directions
edited by
submission deadline 30 Nov 2025 | 8 articles | Viewed by 25579 | Submission Open
Keywords: RNA viruses; DNA viruses; virus– host interactions; immune evasion strategies; host immune response; viral epidemiology; biology and pathogenesis; virus diagnosis; viral diseases; prevention; management and treatment strategies; antiviral therapeutics; vaccine development
(This special issue belongs to the Section Virology)
Recent Advances on Microbial Interactions with Materials and Their Applications
edited by , and Fang Guan
submission deadline 30 Nov 2025 | 5 articles | Viewed by 24602 | Submission Open
Keywords: microbiologically influenced corrosion; biofouling; biomineralization and bioleaching; elements cycle; microbial degradation.
(This special issue belongs to the Section Environmental Microbiology)
Genomics Approaches in Microbial Ecology
edited by Hugo César Ramírez-Saad and César Hernández-Rodríguez
submission deadline 30 Nov 2025 | 7 articles | Viewed by 18568 | Submission Open
Keywords: soil microorganisms; microbes associated with plants; microbes associated with animals; microbial ecology; omics approaches; microbiomes; microbial communities; microbial symbioses; bacteria; archaea; fungi; algae; protists; viruses
(This special issue belongs to the Section Molecular Microbiology and Immunology)
Feature Papers in Microbiomes
edited by
submission deadline 30 Nov 2025 | 9 articles | Viewed by 17192 | Submission Open
Keywords: human microbiome; animal microbiome; environmental microbiome; marine microbiome; plant microbiome; soil microbiome; bioinformatics and computational tools; microbial interactions and functions; microbiome-associated diseases; microbiome-omics technologies; multi-omics integration; microbial network; host– microbiome interactions; microbiome-based therapies; emerging trends
(This special issue belongs to the Section Microbiomes)
Research on Biology of Dinoflagellates
edited by , Tania Islas-Flores and Estefanía Morales-Ruiz
submission deadline 30 Nov 2025 | 7 articles | Viewed by 15686 | Submission Open
Keywords: dinoflagellate; molecular biology; genomics; transcriptomics; proteomics; metabolomic
(This special issue belongs to the Section Environmental Microbiology)
Advances in Veterinary Microbiology
edited by
submission deadline 30 Nov 2025 | 14 articles | Viewed by 14252 | Submission Open
Keywords: African Swine Fever Virus; Bluetongue Virus; Arboviruses; Microbiota; Metagenomics; Brucellosis
(This special issue belongs to the Section Veterinary Microbiology)
Overview of Healthcare-Associated Infections submission deadline 30 Nov 2025 | 3 articles | Viewed by 13970 | Submission Open
Keywords: infection; healthcare; public health
(This special issue belongs to the Section Medical Microbiology)
Gut Microbiota in Health and Diseases: The Role of Pro-/Pre-/Syn-/Post-Biotics in the Gut–Liver–Brain Axis
edited by Mohamad Khalil and
submission deadline 30 Nov 2025 | 2 articles | Viewed by 13888 | Submission Open
Keywords: gut microbiome; gut– liver– brain axis; gastrointestinal tract; digestion; metabolism; immune function
(This special issue belongs to the Section Gut Microbiota)
Contemporary Perspectives on Bacterial Virulence Factors
edited by Matthew Jackson and Kevin Theis
submission deadline 30 Nov 2025 | 3 articles | Viewed by 12453 | Submission Open
Keywords: bacterial pathogens; virulence factors; immune response; staphylococcus aureus; pseudomonas aeruginosa
(This special issue belongs to the Section Molecular Microbiology and Immunology)
Ticks and Tick-Borne Diseases in Animals, 2nd Edition submission deadline 30 Nov 2025 | 5 articles | Viewed by 11232 | Submission Open
Keywords: tick ecology; identification; tick-borne pathogen; vectorial role and capacity; laboratory and field control; new acaricides
(This special issue belongs to the Section Veterinary Microbiology)
Microbial Nitrogen Cycle
edited by
submission deadline 30 Nov 2025 | 4 articles | Viewed by 10879 | Submission Open
Keywords: microbial nitrogen cycle; nitrogen fixation; nitrification; denitrification; ammonification
(This special issue belongs to the Section Environmental Microbiology)
Molecular Ecology of Microalgae and Cyanobacteria
edited by , Karin Glaser and Ekaterina Pushkareva
submission deadline 30 Nov 2025 | 4 articles | Viewed by 9865 | Submission Open
Keywords: microalgae; cyanobacteria; molecular omics
(This special issue belongs to the Section Environmental Microbiology)
Gut Microbiota of Food Animal
edited by
submission deadline 30 Nov 2025 | 6 articles | Viewed by 9802 | Submission Open
Keywords: food animals; gut health; microbiota; microbial ecology; metagenomics; bioinformatics; metabolomics; culturomics
(This special issue belongs to the Section Veterinary Microbiology)
Research on Diseases of Aquatic Organisms
edited by Geovana Dotta, and
submission deadline 30 Nov 2025 | 6 articles | Viewed by 9728 | Submission Open
Keywords: conservation and welfare of aquatic animals; ecotoxicology of aquatic environments; amphibian health and diseases; crustacean health and diseases; fish health and diseases; health and diseases of bivalve mollusks; health and diseases of other aquatic animals
(This special issue belongs to the Section Veterinary Microbiology)
Advances in Research on Waterborne Pathogens
edited by Ashwini S. Kucknoor
submission deadline 30 Nov 2025 | 5 articles | Viewed by 9614 | Submission Open
Keywords: waterborne pathogens; pathogen detection; antimicrobial resistance; public health
(This special issue belongs to the Section Environmental Microbiology)
Legionella pneumophila: A Microorganism with Thousand Faces, 2nd Edition submission deadline 30 Nov 2025 | 4 articles | Viewed by 8750 | Submission Open
Keywords: Legionella pneumophila; virulence factors; biofilm; disinfection strategy
(This special issue belongs to the Section Medical Microbiology)
Healthcare-Associated Infections and Antimicrobial Therapy—2nd Edition submission deadline 30 Nov 2025 | 6 articles | Viewed by 8627 | Submission Open
Keywords: clinical microbiology; healthcare-associated infections; antimicrobial therapy
(This special issue belongs to the Section Medical Microbiology)
Advances in Viral Disease Epidemiology and Molecular Pathogenesis submission deadline 30 Nov 2025 | 4 articles | Viewed by 8204 | Submission Open
Keywords: epidemiology; molecular pathogenesis; host– virus interactions; genetic variation; viral transmission; vaccines and antivirals; zoonotic viruses; environmental reservoirs.
(This special issue belongs to the Section Molecular Microbiology and Immunology)
Nutrition and Gut Microbiome
edited by
submission deadline 30 Nov 2025 | 3 articles | Viewed by 8138 | Submission Open
Keywords: nutrition; gut microbiome; diet; microbial diversity; pro-; pre- and post-biotics
(This special issue belongs to the Section Gut Microbiota)
Fungal Metabolites: Powering Pharmacological and Agricultural Frontiers
edited by and
submission deadline 30 Nov 2025 | 6 articles | Viewed by 8028 | Submission Open
Keywords: fungi; fungal metabolites; polysaccharides; pharmacological applications; agricultural innovations; crop productivity; stress tolerance
(This special issue belongs to the Section Environmental Microbiology)
Bacterial Plant Communities: Diversity, Molecular Interactions, and Plant Growth Promotion, 3rd Edition submission deadline 30 Nov 2025 | 6 articles | Viewed by 7763 | Submission Open
Keywords: rhizobacteria; endophytes; epiphytes; rhizosphere; phyllosphere; plant growth-promoting bacteria; plant microbiome; plant– microbe transcriptomic; plant– microbe interactions; culturomic microbiote; quorum sensing
(This special issue belongs to the Section Plant Microbe Interactions)
Chemical Communication in Plant–Microbe Beneficial Interactions Between Plants and Rhizosphere Microorganisms
edited by Haichao Feng and Yunpeng Liu
submission deadline 30 Nov 2025 | 3 articles | Viewed by 7642 | Submission Open
Keywords: plant growth-promoting rhizobacteria (PGPR); root exudates; colonization; chemotaxis; attachment; biofilm; rhizomicrobiome; plant health; recruitment; biocontrol
(This special issue belongs to the Section Plant Microbe Interactions)
Plant Growth—Promoting Bacteria and Plant—Soil Interactions in Harsh Environments, 2nd Edition submission deadline 30 Nov 2025 | 5 articles | Viewed by 7617 | Submission Open
Keywords: plant growth-promoting bacteria; endophytes; environmental stress; nitrogen fixing bacteria; P and K solubilizing bacteria; mechanisms of plant growth; PGPB-plant interaction soil microbial communities; soil rehabilitation; bacterial inoculants and biosafety
(This special issue belongs to the Section Plant Microbe Interactions)
Editorial Board Members’ Collection Series: Hepatitis Viruses: Who They Are and Consequences submission deadline 30 Nov 2025 | 2 articles | Viewed by 7389 | Submission Open
Keywords: viral hepatitis; liver; pathogenesis; cancer; fibrosis; natural history; treatments; epidemiology; vaccine; genotypes
(This special issue belongs to the Section Virology)
Potential Antimicrobial Synergistic Interactions of Natural Products
edited by and Alexia Barbarossa
submission deadline 30 Nov 2025 | 2 articles | Viewed by 6763 | Submission Open
Keywords: antimicrobial resistance; synergistic effect; natural substances
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Advances in Microbial Cell Factories, 3rd Edition
edited by and
submission deadline 30 Nov 2025 | 6 articles | Viewed by 6752 | Submission Open
Keywords: sustainability; biotechnology; bioengineering; biocatalysis; fermentation
(This special issue belongs to the Section Microbial Biotechnology)
Phenotyping the Athletic Gut Microbiota: The Basis of Health and Physical Performance?
edited by Jesús Álvarez-Herms
submission deadline 30 Nov 2025 | 3 articles | Viewed by 6655 | Submission Open
Keywords: physiology; gut microbiota; exercise; hypoxia; nutrition; hyperthermia
(This special issue belongs to the Section Gut Microbiota)
Antimicrobial Stewardship: Strategies for Optimizing Antimicrobial Use and Combating Resistance
edited by
submission deadline 30 Nov 2025 | 3 articles | Viewed by 6386 | Submission Open
Keywords: antimicrobial stewardship; antimicrobial agent; antimicrobial therapy; dosing optimization; healthcare; antimicrobial surveillance and monitoring; human medicine; veterinary medicine; multidisciplinary; stewardship programs
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Sustainable Waste Biotechnologies: Biodegradation, Biotransformation, and Bioconversion
edited by and Lei Zhang
submission deadline 30 Nov 2025 | 5 articles | Viewed by 5407 | Submission Open
Keywords: waste biotechnologies; waste management; biodegradation; biotransformation; bioconversion
(This special issue belongs to the Section Environmental Microbiology)
Climate-Driven Effects on the Human Microbiome and Public Health
edited by and Anna Onisiforou
submission deadline 30 Nov 2025 | 1 articles | Viewed by 5359 | Submission Open
Keywords: climate change; human microbiome; public health
(This special issue belongs to the Section Medical Microbiology)
Pathobiology, Infection Biology and Control of Protozoan Parasites—the ONE HEALTH Approach
edited by , and Susana R. Sousa
submission deadline 30 Nov 2025 | 3 articles | Viewed by 5269 | Submission Open
Keywords: protozoan parasites; host– parasite interactions; pathobiology; disease control; ONE HEALTH
(This special issue belongs to the Section Veterinary Microbiology)
Feature Papers in Plant–Microbe Interactions in North America submission deadline 30 Nov 2025 | 4 articles | Viewed by 5182 | Submission Open
Keywords: plant– microbe interaction; plant-associated microbes; biotic and abiotic stresses; agricultural sustainability
(This special issue belongs to the Section Plant Microbe Interactions)
Research on Leishmania and Leishmaniasis: Second Edition submission deadline 30 Nov 2025 | 2 articles | Viewed by 4461 | Submission Open
Keywords: leishmania; leishmaniasis; drug treatment; vaccine; host-parasite interaction
(This special issue belongs to the Section Medical Microbiology)
Epidemiology of Zoonotic Pathogens submission deadline 30 Nov 2025 | 5 articles | Viewed by 4347 | Submission Open
Keywords: zoonotic; pathogen; infection
(This special issue belongs to the Section Veterinary Microbiology)
New Progress in Animal Herpesviruses
edited by Angélica Cristine de Almeida Campos
submission deadline 30 Nov 2025 | 2 articles | Viewed by 4129 | Submission Open
Keywords: herpesvirus; immunology of herpesvirus; new herpesviruses and new hosts; host x virus interaction; genetic evolution of herpesvirus; oneHealth; new techniques and diagnosis; animal herpesvirus surveillance; zoonotic potential of herpesvirus
(This special issue belongs to the Section Veterinary Microbiology)
Emerging and Re-Emerging Infections in the Immunocompromised Host
edited by
submission deadline 30 Nov 2025 | 2 articles | Viewed by 3991 | Submission Open
Keywords: opportunistic infections; immunocompromised host; solid organ transplant; HIV; AIDS; oncohematologic malignancies
(This special issue belongs to the Section Medical Microbiology)
Latest Research on Clostridioides difficile
edited by
submission deadline 30 Nov 2025 | 2 articles | Viewed by 3939 | Submission Open
Keywords: Clostridioides difficile; biology; epidemiology; pathogenicity; detection; treatment; infection control
(This special issue belongs to the Section Medical Microbiology)
Bacterial Infections and Antibiotic Resistance in Veterinary Medicine, 2nd Edition submission deadline 30 Nov 2025 | 3 articles | Viewed by 3754 | Submission Open
Keywords: veterinary microbiology; bacterial infection; One Health; antimicrobial resistance
(This special issue belongs to the Section Veterinary Microbiology)
Microbial Communities in Soil: Drivers of Terrestrial Ecosystem Processes
edited by Xiawei Peng
submission deadline 30 Nov 2025 | 3 articles | Viewed by 3485 | Submission Open
Keywords: soil microbiome assembly; microbial functional traits; ecological networks; metagenomics; plant– soil feedback; climate change adaptation; microbiome engineering; ecosystem services; sustainable land management; soil biodiversity conservation
(This special issue belongs to the Section Environmental Microbiology)
Crosstalk Between Host and Pathogen: Innate Immunity, Infection and Metabolic Reprogramming
edited by Lei Xu
submission deadline 30 Nov 2025 | 3 articles | Viewed by 2987 | Submission Open
Keywords: host-pathogen interaction; bacterial infection; bacterial secretion systems; immunometabolites; innate immunity
(This special issue belongs to the Section Medical Microbiology)
Bacterial Virulence and Biosurfactants
edited by
submission deadline 30 Nov 2025 | 1 articles | Viewed by 2686 | Submission Open
Keywords: multi-resistant bacteria (MDR); resistance mechanisms; antibiotics; antimicrobial agents; drug susceptibility; green surfactants; medicinal plants; microbial nanoparticles
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Fungal Infections and Antifungal Agents submission deadline 30 Nov 2025 | 2 articles | Viewed by 2618 | Submission Open
Keywords: fungal infections; antifungal agents; antifungal drug discovery
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Effects of Diet and Nutrition on Gut Microbiota
edited by Heng Yuan and
submission deadline 30 Nov 2025 | 2 articles | Viewed by 2604 | Submission Open
Keywords: gut microbiota; nutrition; MASLD; functional food; hypertension; metabolism
(This special issue belongs to the Section Gut Microbiota)
Inflammatory Bowel Disease (IBD) and Microbiome: Etiopathogenesis, Diagnosis, and Therapeutic Advances
edited by
submission deadline 30 Nov 2025 | 1 articles | Viewed by 2460 | Submission Open
Keywords: inflammatory bowel disease; microbiome-immune interactions; microbiome modulation; gut– brain axes; gut– liver axes  
(This special issue belongs to the Section Medical Microbiology)
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