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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Research on Biology of Dinoflagellates
edited by , Tania Islas-Flores and Estefanía Morales-Ruiz
submission deadline 30 Nov 2025 | 7 articles | Viewed by 14004 | 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 | 13 articles | Viewed by 10742 | Submission Open
Keywords: African Swine Fever Virus; Bluetongue Virus; Arboviruses; Microbiota; Metagenomics; Brucellosis
(This special issue belongs to the Section Veterinary 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 10700 | 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 10485 | Submission Open
Keywords: bacterial pathogens; virulence factors; immune response; staphylococcus aureus; pseudomonas aeruginosa
(This special issue belongs to the Section Molecular Microbiology and Immunology)
Overview of Healthcare-Associated Infections submission deadline 30 Nov 2025 | 3 articles | Viewed by 10453 | Submission Open
Keywords: infection; healthcare; public health
(This special issue belongs to the Section Medical Microbiology)
Ticks and Tick-Borne Diseases in Animals, 2nd Edition submission deadline 30 Nov 2025 | 5 articles | Viewed by 9949 | 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 9552 | 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 9175 | Submission Open
Keywords: microalgae; cyanobacteria; molecular omics
(This special issue belongs to the Section Environmental Microbiology)
Microbiome in Fish and Their Living Environment
edited by and
submission deadline 30 Nov 2025 | 11 articles | Viewed by 8664 | Submission Open
Keywords: fish species; gut microbiome; dietary modification; water environment; immunity
(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 | 5 articles | Viewed by 7949 | 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)
Gut Microbiota of Food Animal
edited by
submission deadline 30 Nov 2025 | 6 articles | Viewed by 7603 | Submission Open
Keywords: food animals; gut health; microbiota; microbial ecology; metagenomics; bioinformatics; metabolomics; culturomics
(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 7536 | 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
edited by
submission deadline 30 Nov 2025 | 4 articles | Viewed by 7231 | Submission Open
Keywords: Legionella pneumophila; virulence factors; biofilm; disinfection strategy
(This special issue belongs to the Section Medical Microbiology)
Bacterial Plant Communities: Diversity, Molecular Interactions, and Plant Growth Promotion, 3rd Edition submission deadline 30 Nov 2025 | 6 articles | Viewed by 6822 | 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)
Plant Growth—Promoting Bacteria and Plant—Soil Interactions in Harsh Environments, 2nd Edition submission deadline 30 Nov 2025 | 5 articles | Viewed by 6721 | 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)
Fungal Metabolites: Powering Pharmacological and Agricultural Frontiers
edited by and
submission deadline 30 Nov 2025 | 6 articles | Viewed by 6649 | Submission Open
Keywords: fungi; fungal metabolites; polysaccharides; pharmacological applications; agricultural innovations; crop productivity; stress tolerance
(This special issue belongs to the Section Environmental Microbiology)
Advances in Viral Disease Epidemiology and Molecular Pathogenesis submission deadline 30 Nov 2025 | 4 articles | Viewed by 6507 | 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)
Editorial Board Members’ Collection Series: Hepatitis Viruses: Who They Are and Consequences submission deadline 30 Nov 2025 | 2 articles | Viewed by 6314 | Submission Open
Keywords: viral hepatitis; liver; pathogenesis; cancer; fibrosis; natural history; treatments; epidemiology; vaccine; genotypes
(This special issue belongs to the Section Virology)
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 5938 | 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)
Nutrition and Gut Microbiome
edited by
submission deadline 30 Nov 2025 | 3 articles | Viewed by 5858 | Submission Open
Keywords: nutrition; gut microbiome; diet; microbial diversity; pro-; pre- and post-biotics
(This special issue belongs to the Section Gut Microbiota)
Potential Antimicrobial Synergistic Interactions of Natural Products
edited by and Alexia Barbarossa
submission deadline 30 Nov 2025 | 2 articles | Viewed by 5440 | Submission Open
Keywords: antimicrobial resistance; synergistic effect; natural substances
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Antimicrobial Stewardship: Strategies for Optimizing Antimicrobial Use and Combating Resistance
edited by
submission deadline 30 Nov 2025 | 3 articles | Viewed by 5428 | 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)
Phenotyping the Athletic Gut Microbiota: The Basis of Health and Physical Performance?
edited by Jesús Álvarez-Herms
submission deadline 30 Nov 2025 | 2 articles | Viewed by 5213 | Submission Open
Keywords: physiology; gut microbiota; exercise; hypoxia; nutrition; hyperthermia
(This special issue belongs to the Section Gut Microbiota)
Healthcare-Associated Infections and Antimicrobial Therapy—2nd Edition submission deadline 30 Nov 2025 | 5 articles | Viewed by 5169 | Submission Open
Keywords: clinical microbiology; healthcare-associated infections; antimicrobial therapy
(This special issue belongs to the Section Medical Microbiology)
Advances in Microbial Cell Factories, 3rd Edition
edited by and
submission deadline 30 Nov 2025 | 5 articles | Viewed by 4687 | Submission Open
Keywords: sustainability; biotechnology; bioengineering; biocatalysis; fermentation
(This special issue belongs to the Section Microbial Biotechnology)
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 4398 | Submission Open
Keywords: protozoan parasites; host– parasite interactions; pathobiology; disease control; ONE HEALTH
(This special issue belongs to the Section Veterinary Microbiology)
Sustainable Waste Biotechnologies: Biodegradation, Biotransformation, and Bioconversion
edited by and Lei Zhang
submission deadline 30 Nov 2025 | 5 articles | Viewed by 4210 | 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 4115 | Submission Open
Keywords: climate change; human microbiome; public health
(This special issue belongs to the Section Medical Microbiology)
Feature Papers in Plant–Microbe Interactions in North America submission deadline 30 Nov 2025 | 4 articles | Viewed by 3761 | 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)
New Progress in Animal Herpesviruses
edited by Angélica Cristine de Almeida Campos
submission deadline 30 Nov 2025 | 2 articles | Viewed by 3549 | 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)
Research on Leishmania and Leishmaniasis: Second Edition submission deadline 30 Nov 2025 | 1 articles | Viewed by 3348 | Submission Open
Keywords: leishmania; leishmaniasis; drug treatment; vaccine; host-parasite interaction
(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 3251 | 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 2967 | Submission Open
Keywords: veterinary microbiology; bacterial infection; One Health; antimicrobial resistance
(This special issue belongs to the Section Veterinary Microbiology)
Epidemiology of Zoonotic Pathogens submission deadline 30 Nov 2025 | 4 articles | Viewed by 2804 | Submission Open
Keywords: zoonotic; pathogen; infection
(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 2565 | 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)
Bacterial Virulence and Biosurfactants
edited by
submission deadline 30 Nov 2025 | 1 articles | Viewed by 2337 | 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)
Waterborne Pathogen Infection and Antibiotic Resistance
edited by Louise Weaver
submission deadline 30 Nov 2025 | 1 articles | Viewed by 1935 | Submission Open
Keywords: waterborne pathogen; waterborne diseases; drinking water; antibiotic resistance; public health and epidemiology
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Emerging and Re-Emerging Infections in the Immunocompromised Host
edited by
submission deadline 30 Nov 2025 | 1 articles | Viewed by 1868 | Submission Open
Keywords: opportunistic infections; immunocompromised host; solid organ transplant; HIV; AIDS; oncohematologic malignancies
(This special issue belongs to the Section Medical Microbiology)
Inflammatory Bowel Disease (IBD) and Microbiome: Etiopathogenesis, Diagnosis, and Therapeutic Advances
edited by
submission deadline 30 Nov 2025 | 1 articles | Viewed by 1835 | 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)
Crosstalk Between Host and Pathogen: Innate Immunity, Infection and Metabolic Reprogramming
edited by Lei Xu
submission deadline 30 Nov 2025 | 1 articles | Viewed by 1814 | Submission Open
Keywords: host-pathogen interaction; bacterial infection; bacterial secretion systems; immunometabolites; innate immunity
(This special issue belongs to the Section Medical Microbiology)
Hepatitis B Virus Infection and Vaccine
edited by Nishi Prabdial-Sing
submission deadline 30 Nov 2025 | 1 articles | Viewed by 1760 | Submission Open
Keywords: hepatitis B virus; infection; vaccine
(This special issue belongs to the Section Medical Microbiology)
Effects of Diet and Nutrition on Gut Microbiota
edited by Heng Yuan and
submission deadline 30 Nov 2025 | 2 articles | Viewed by 1734 | Submission Open
Keywords: gut microbiota; nutrition; MASLD; functional food; hypertension; metabolism
(This special issue belongs to the Section Gut Microbiota)
The Role of Lactic Acid Bacteria and Their Metabolites in Fermented Foods: From Mechanisms of Action to Technological Applications and Human Health Effects
edited by
submission deadline 30 Nov 2025 | 1 articles | Viewed by 1660 | Submission Open
Keywords: LAB; fermentation; fermented foods; metabolites; health benefits
(This special issue belongs to the Section Food Microbiology)
Diagnosis and Pathogenesis of Infectious Diseases in Livestock
edited by Rachel J. Derscheid
submission deadline 30 Nov 2025 | 2 articles | Viewed by 1547 | Submission Open
Keywords: diseases of cattle; diseases of swine; diseases of small ruminants; diseases of camelids; pathology of livestock diseases; molecular diagnostics; serology; bacterial disease of livestock; viral diseases of livestock; parasitic disease of livestock
(This special issue belongs to the Section Veterinary Microbiology)
Gut Microbiome Composition in Livestock and Mice
edited by and Qian Lin
submission deadline 30 Nov 2025 | 1 articles | Viewed by 1460 | Submission Open
Keywords: gut; microbiome; livestock; mice; health
(This special issue belongs to the Section Veterinary Microbiology)
Fungal Infections and Antifungal Agents submission deadline 30 Nov 2025 | 2 articles | Viewed by 1386 | Submission Open
Keywords: fungal infections; antifungal agents; antifungal drug discovery
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Beneficial Microorganisms for Sustainable Agriculture submission deadline 30 Nov 2025 | 1 articles | Viewed by 1336 | Submission Open
Keywords: abiotic stress; biotic stress; biocontrol; biofertilizer; plant– microbe interaction
(This special issue belongs to the Section Plant Microbe Interactions)
Microbial Genomics in the Age of Omics and Artificial Intelligence submission deadline 30 Nov 2025 | 1 articles | Viewed by 1307 | Submission Open
Keywords: artificial intelligence; microbial genomes; genome plasticity; next-generation sequencing; one health approach; pangenomics; reverse vaccinology
(This special issue belongs to the Section Microbial Biotechnology)
Exploring the Diversity of Microbial Applications submission deadline 30 Nov 2025 | 1 articles | Viewed by 1184 | Submission Open
Keywords: microbial biotechnology; microbiome; environmental microbiology; microbial applications; bioremediation; industrial microbiology; microbial metabolism
(This special issue belongs to the Section Microbial Biotechnology)
Marine Microbiology: Pollution, Bioremediation and Resource Utilization
edited by Jun Wang
submission deadline 30 Nov 2025 | 1 articles | Viewed by 948 | Submission Open
Keywords: marine microbiology; pollution; bioremediation; resource utilization; environmental science; biotechnology; marine ecology; microbial community; ecological restoration
(This special issue belongs to the Section Environmental Microbiology)
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