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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Microbial and Viral Infections in Organ Transplantation
edited by Renato Pascale
submission deadline 31 Jan 2026 | Viewed by 64 | Submission Open
Keywords: solid organ transplant; bacterial infections; viral infections; immunosuppressive treatment
(This special issue belongs to the Section Medical Microbiology)
Aquatic Microorganisms and Their Application in Aquaculture, 2nd Edition
edited by
submission deadline 15 Feb 2026 | 1 articles | Viewed by 856 | Submission Open
Keywords: aquatic microorganisms; aquaculture microbiome; microbial water management; microbial additives in feed; pathogenic microorganisms; microbial ecology; biofloc technology
(This special issue belongs to the Section Environmental Microbiology)
Molecular Approaches for the Detection, Phylogeny, and Diagnosis of Amoebic Diseases
edited by
submission deadline 15 Feb 2026 | 1 articles | Viewed by 490 | Submission Open
Keywords: pathogenic amoebae; free-living amoebae; molecular phylogeny; molecular diagnosis; epidemiology; amoebiasis; amoebic encephalitis; amoebic keratitis; gill disease
(This special issue belongs to the Section Molecular Microbiology and Immunology)
Immune Responses to Toxoplasma Infections submission deadline 20 Feb 2026 | Viewed by 74 | Submission Open
Keywords: toxoplasmosis; vaccine; immune response; mucosal immunity; infection; humoral immunity; cell-mediated immunity; chronic infection; immunocompromised; antigen presentation
(This special issue belongs to the Section Public Health Microbiology)
Interactions Between Probiotics and Host
edited by Sávio Henrique De Cicco Sandes
submission deadline 28 Feb 2026 | 6 articles | Viewed by 21765 | Submission Open
Keywords: probiotics; postbiotics; dysbiosis; beneficial microbes; gastroenterology diseases; skin; gut– brain axis; mucosal and systemic immunology; mucosal barrier; microbiome
(This special issue belongs to the Section Food Microbiology)
Probiotics, Prebiotics, and Synbiotics in Animal Nutrition and Health, and Food Safety
edited by María Esther Ortega-Cerrilla
submission deadline 28 Feb 2026 | 4 articles | Viewed by 19604 | Submission Open
Keywords: probiotics; prebiotics; synbiotics; animals; food safety
(This special issue belongs to the Section Food Microbiology)
Next-Generation Sequencing in Antimicrobial Resistance
edited by , Artemis G. Hatzigeorgiou and Skoulakis Anargyros
submission deadline 28 Feb 2026 | 3 articles | Viewed by 18193 | Submission Open
Keywords: next-generation sequencing; genome; metagenome; bioinformatics; clinical samples; One Health
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Dietary and Animal Gut Microbiota
edited by
submission deadline 28 Feb 2026 | 10 articles | Viewed by 14971 | Submission Open
Keywords: dietary; animal nutrition; gut microbiota; microbial metabolism; gut health
(This special issue belongs to the Section Veterinary Microbiology)
Salmonella Infections: Trends and Updates
edited by
submission deadline 28 Feb 2026 | 6 articles | Viewed by 13375 | Submission Open
Keywords: salmonellosis; epidemiology and surveillance; molecular biology and pathogenesis; antimicrobial resistance; one-health perspectives; prevention and control strategies
(This special issue belongs to the Section Public Health Microbiology)
Pandemics and Infectious Diseases
edited by
submission deadline 28 Feb 2026 | 5 articles | Viewed by 13131 | Submission Open
Keywords: infectious disease outbreak; pathogen identification; vaccine development; treatment strategies
(This special issue belongs to the Section Public Health Microbiology)
Human Respiratory Syncytial Virus—Biology, Diagnosis and Prevention
edited by
submission deadline 28 Feb 2026 | 3 articles | Viewed by 13057 | Submission Open
Keywords: human respiratory syncytial virus; medical microbiology; molecular biology; virus diagnosis; infection prevention
(This special issue belongs to the Section Public Health Microbiology)
Discovering the Human Holobiont: How the Microbiome Affects Human Health submission deadline 28 Feb 2026 | 3 articles | Viewed by 12103 | Submission Open
Keywords: holobiont; diet; microbiota; probiotic and prebiotic; gene expression; body composition
(This special issue belongs to the Section Medical Microbiology)
Infectious Diseases in Aquaculture submission deadline 28 Feb 2026 | 7 articles | Viewed by 11973 | Submission Open
Keywords: aquaculture; infectious diseases; pathogens; diagnostics; control methods
(This special issue belongs to the Section Veterinary Microbiology)
Current Challenges in Infectious Diseases Post COVID-19 Pandemic submission deadline 28 Feb 2026 | 5 articles | Viewed by 11787 | Submission Open
Keywords: SARS-CoV-2; COVID-19; pandemic; viral pathogens; Antibiotics
(This special issue belongs to the Section Public Health Microbiology)
Microbial Life and Ecology in Extreme Environments
edited by Lara Vimercati
submission deadline 28 Feb 2026 | 5 articles | Viewed by 11337 | Submission Open
Keywords: extremophiles; genomics; microbial diversity; microbial adaptation; microbial ecology; evolutionary strategies; extreme environments; environmental microbiology
(This special issue belongs to the Section Environmental Microbiology)
Rhizosphere Bacteria and Fungi That Promote Plant Growth submission deadline 28 Feb 2026 | 6 articles | Viewed by 10540 | Submission Open
Keywords: rhizosphere; fungi; bacteria; symbionts; microbial interactions; plant growth promotion
(This special issue belongs to the Section Plant Microbe Interactions)
Editorial Board Members’ Collection Series: How Microbial Cell Factories Can Help Change the World
edited by
submission deadline 28 Feb 2026 | 5 articles | Viewed by 10340 | Submission Open
Keywords: bacteria; fungi; microalgae; virus; biotechnology; bioprocess; specialized metabolite; genetic; omic sciences; industrial application; sustainable environment
(This special issue belongs to the Section Microbial Biotechnology)
SARS-CoV-2: Infection, Transmission, and Prevention submission deadline 28 Feb 2026 | 6 articles | Viewed by 9961 | Submission Open
Keywords: SARS-CoV-2; prevention; vaccines; artificial intelligence
(This special issue belongs to the Section Public Health Microbiology)
Industrial Microbiology
edited by Liang Dong
submission deadline 28 Feb 2026 | 5 articles | Viewed by 9267 | Submission Open
Keywords: microorganisms; fermentation; synthesis; transformation; genetic modification; omics; environmental protection
(This special issue belongs to the Section Microbial Biotechnology)
Ticks, Pathogens, and Microbes: Unraveling Nature's Tiny Mysteries
edited by Ricardo Bassini-Silva and Darci Moraes Barros-Battesti
submission deadline 28 Feb 2026 | 4 articles | Viewed by 8823 | Submission Open
Keywords: ticks taxonomy; tick-borne diseases; tick-host relationships; tick cell lines
(This special issue belongs to the Section Veterinary Microbiology)
Advances in Genomics and Ecology of Environmental Microorganisms
edited by Renxing Liang
submission deadline 28 Feb 2026 | 9 articles | Viewed by 8338 | Submission Open
Keywords: genomics; environmental microorganisms; microbial communities; high-throughput sequencing; metagenome; bioinformatics; microbial ecology; biogeochemical cycles; biodegradation; bioremediation
(This special issue belongs to the Section Environmental Microbiology)
Microbial Biotechnological Application for Metabolite Bioprocesses
edited by Whei-Fen Wu
submission deadline 28 Feb 2026 | 3 articles | Viewed by 7437 | Submission Open
Keywords: microbial biotechnology; bioprocess; metabolic engineering; genome editing tool; omics; recombinant DNA technology
(This special issue belongs to the Section Microbial Biotechnology)
Infections, Immune Mechanisms and Host-Pathogen Interactions
edited by Cristina Tato
submission deadline 28 Feb 2026 | 3 articles | Viewed by 7433 | Submission Open
Keywords: immune evasion; innate immunity; adaptive immunity; opportunistic; neglected diseases; virulence; persistence; metabolism; cytokines; therapeutic targets
(This special issue belongs to the Section Molecular Microbiology and Immunology)
Microbial Solutions for Sustainable Resource Recovery and Environmental Remediation
edited by
submission deadline 28 Feb 2026 | 6 articles | Viewed by 6716 | Submission Open
Keywords: bioleaching; microbial resource recovery; bioremediation; nutrient recycling; sustainable bioprocesses; synthetic biology; bioenergy; wastewater treatment; biodegradation; microbial electrochemistry
(This special issue belongs to the Section Environmental Microbiology)
New Advancements in Clinical Microbiology: Surveillance, Diagnosis, and Treatment submission deadline 28 Feb 2026 | 4 articles | Viewed by 6532 | Submission Open
Keywords: clinical microbiology; surveillance; diagnostic methodologies; treatment strategies; molecular diagnostics; genomic sequencing; bioinformatics; pathogen detection; antimicrobial resistance; point-of-care tests
(This special issue belongs to the Section Medical Microbiology)
Focus on Pediatric Infectious Diseases submission deadline 28 Feb 2026 | 2 articles | Viewed by 5214 | Submission Open
Keywords: pediatric; infectious diseases; viral infection; bacterial infection; parasites; therapy; epidemiology; immunization
(This special issue belongs to the Section Medical Microbiology)
Oral Microbiomes and One Health Approach
edited by Daisuke Nagakubo
submission deadline 28 Feb 2026 | 2 articles | Viewed by 5207 | Submission Open
Keywords: oral microbiome; systemic disease; environmental factors; oral pathogens; immune response; antimicrobial agents; nutrition
(This special issue belongs to the Section Microbiomes)
Clinical Applications and Validation of Probiotics: Exploring Therapeutic and Preventive Potential Across Diverse Medical Conditions submission deadline 28 Feb 2026 | 2 articles | Viewed by 5034 | Submission Open
Keywords: probiotics; microbiota; clinical validation; therapeutic applications; preventive therapy; novel probiotic blends; medical conditions; specific strains
(This special issue belongs to the Section Medical Microbiology)
Surveillance of Health-Relevant Pathogens Employing Wastewater
edited by Bernd Manfred Gawlik and Gernot Marx
submission deadline 28 Feb 2026 | 4 articles | Viewed by 4415 | Submission Open
Keywords: wastewater and environmental surveillance (WES); emerging pathogens; antimicrobial resistance; public health; pathogen monitoring; global health security
(This special issue belongs to the Section Environmental Microbiology)
Microbiome Research: Past, Present, and Future
edited by
submission deadline 28 Feb 2026 | 2 articles | Viewed by 3924 | Submission Open
Keywords: human microbiome; high-throughput technologies; host– microbe interactions; disease and health; gene expression/metatranscriptomics; functional genomics/orthologs; bioinformatics advances in microbial research; new bacterial pathogens/virulence factors; microbial dysbiosis/homeostasis
(This special issue belongs to the Section Microbiomes)
Microbial Mechanisms for Soil Improvement and Plant Growth
edited by and Hui Zhang
submission deadline 28 Feb 2026 | 4 articles | Viewed by 3710 | Submission Open
Keywords: microbial adaptation; soil health; environmental stresses; plant growth promotion; nutrient cycling
(This special issue belongs to the Section Plant Microbe Interactions)
Latest Research in Parasitology: Unlocking Mechanisms, Developing Solutions
edited by and Teresa Fortoul
submission deadline 28 Feb 2026 | 3 articles | Viewed by 3324 | Submission Open
Keywords: parasites; parasitology; veterinary parasitology; one health approach; parasitology research
(This special issue belongs to the Section Medical Microbiology)
Bacterial Communication: The Quorum Sensing Paradigm
edited by Ritika Gupta
submission deadline 28 Feb 2026 | 2 articles | Viewed by 2672 | Submission Open
Keywords: communication; crosstalk; virulence; biofilms; autoinducers; therapeutic targets; infectious diseases
(This special issue belongs to the Section Biofilm)
Pathogens and Aquaculture: 2nd Edition
edited by and Juan Pablo Pontigo
submission deadline 28 Feb 2026 | Viewed by 2153 | Submission Open
Keywords: fish; salmon; diseases; pathology; histopathology; virology; molecular epidemiology
(This special issue belongs to the Section Veterinary Microbiology)
Promotion of Food Safety and Functional Improvement Using Microorganisms
edited by
submission deadline 28 Feb 2026 | 1 articles | Viewed by 1920 | Submission Open
Keywords: beneficial microorganisms; food spoilage prevention; foodborne pathogen inhibition; antagonism toward antibiotic resistance gene carriers; enrichment in health-promoting substances; detoxification; shelf life extension; improvement of sensory properties
(This special issue belongs to the Section Food Microbiology)
Bio-Convergence: Microorganism Usage for Sustainability Applications
edited by Yuval Dorfan
submission deadline 28 Feb 2026 | 1 articles | Viewed by 1455 | Submission Open
Keywords: bio-convergence; synthetic biology; sustainability; non-biological applications; proteomics; metabolomics; biofilm; microorganisms; climate change
(This special issue belongs to the Section Microbial Biotechnology)
Surveillance of Pathogens in the Environment
edited by
submission deadline 28 Feb 2026 | 1 articles | Viewed by 1353 | Submission Open
Keywords: pathogens; environment; surveillance; epidemiology; health; water; wastewater; surface; air; food
(This special issue belongs to the Section Environmental Microbiology)
Natural and Urban Forest Viromes and the Tree-Associated Microbiome: Composition, Properties, and Interactions
edited by and Artemis Rumbou
submission deadline 28 Feb 2026 | 1 articles | Viewed by 1297 | Submission Open
Keywords: virome; plant pathogenic virus; mycovirus; biocontrol agent; microbiota
(This special issue belongs to the Section Plant Microbe Interactions)
Microbial Infections in Ruminants submission deadline 28 Feb 2026 | 1 articles | Viewed by 1130 | Submission Open
Keywords: ruminant livestock; wild ruminants; microbial infections; epidemiology; prevention; pathogenesis; bacteria; viruses; diagnostic; zoonosis
(This special issue belongs to the Section Veterinary Microbiology)
Avian Pathogens: Importance in Animal Health and Zoonotic Risks
edited by and Inkar Castellanos-Huerta
submission deadline 28 Feb 2026 | 2 articles | Viewed by 909 | Submission Open
Keywords: avian pathogens; zoonosis; antimicrobial resistance; microbiome; molecular diagnosis
(This special issue belongs to the Section Veterinary Microbiology)
Beneficial Microorganisms Against Phytopathogens: Innovations in Sustainable Plant Protection submission deadline 28 Feb 2026 | 1 articles | Viewed by 805 | Submission Open
Keywords: beneficial microorganisms; biocontrol; phytopathogens; PGPR; endophytes; mycorrhizal fungi; induced systemic resistance; microbiome engineering; synthetic microbial communities; sustainable agriculture
(This special issue belongs to the Section Plant Microbe Interactions)
Insect–Microbe Symbiosis submission deadline 28 Feb 2026 | 1 articles | Viewed by 766 | Submission Open
Keywords: insect– microbe symbiosis; endosymbionts; microbiome; horizontal gene transfer; metabolic co-evolution; biological control; ecological resilience; antibiotic resistance; microbial ecology; host– symbiont co-evolution
(This special issue belongs to the Section Microbiomes)
Beneficial Biofilms: From Mechanisms to Applications submission deadline 28 Feb 2026 | 1 articles | Viewed by 401 | Submission Open
Keywords: beneficial biofilms; microbial ecology; biofilm formation; environmental remediation; agricultural sustainability; industrial biotechnology; probiotic communities; quorum sensing; synthetic biology; sustainable solutions
(This special issue belongs to the Section Biofilm)
Microbial Communities and Indicators of Agroecosystem Health
edited by
submission deadline 28 Feb 2026 | Viewed by 334 | Submission Open
Keywords: diversity; beneficial and negative effects; symbiosis; microbial networks; biogeochemical cycles; organic matter; biocontrol; plant growth promotion; rhizosphere; resilience; ecosystem stability
(This special issue belongs to the Section Environmental Microbiology)
Advances in Microbial Genomics in the AMR Field submission deadline 28 Feb 2026 | 1 articles | Viewed by 322 | Submission Open
Keywords: antimicrobial resistance (AMR); microbial genomics; AMR genomic surveillance; CRISPR-Cas systems and AMR; phage therapy in AMR; One Health framework and AMR; artificial intelligence in AMR; AMR monitoring tools; machine learning in AMR; bioinformatics for AMR study
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
New Perspectives on Virus–Host Interactions: The Relationship Between Viruses and Cancer
edited by
submission deadline 28 Feb 2026 | Viewed by 318 | Submission Open
Keywords: virus– host interactions; oncogenic mechanism; viral oncogenesis; cell transformation
(This special issue belongs to the Section Molecular Microbiology and Immunology)
Pathogenic Free-Living Amoebae: Biology, Pathogenesis, Diagnosis, and Treatment
edited by and Min Kyoung Cho
submission deadline 28 Feb 2026 | Viewed by 306 | Submission Open
Keywords: pathogenic free-living amoebae; biology; pathogenesis; diagnosis; therapeutics
(This special issue belongs to the Section Medical Microbiology)
Microalgal Ecology and Biotechnology
edited by Jong-Hee Kwon
submission deadline 28 Feb 2026 | Viewed by 260 | Submission Open
Keywords: microalgae cultivation; biofuel production; carbon sequestration; environmental sustainability; bioresource utilization
(This special issue belongs to the Section Microbial Biotechnology)
Microbial Taxonomy and Environmental Metagenomics: Diversity, Dynamics, and Functional Genes
edited by and Renato Sanches Freire
submission deadline 28 Feb 2026 | 1 articles | Viewed by 256 | Submission Open
Keywords: environmental microbiology; metagenomics; microbial diversity
(This special issue belongs to the Section Environmental Microbiology)
Harmful Algae and Microbes: From Molecules to Ecosystems
edited by and Yuri Okolodkov
submission deadline 28 Feb 2026 | Viewed by 223 | Submission Open
Keywords: harmful algae; microbes; complex interactions; biological organization; molecular mechanisms; ecosystem dynamics
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