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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Disorders of Gut–Brain Interaction and the Connection with Consuming Processed Foods
edited by Francesca Bianco
submission deadline 30 Sep 2026 | Viewed by 128 | Submission Open
Keywords: gut–brain interaction (DGBI); irritable bowel syndrome (IBS); processed food (PF); probiotics; dysbiosis
(This special issue belongs to the Section Gut Microbiota)
Infectious Diseases in Aquaculture, 2nd Edition submission deadline 30 Sep 2026 | Viewed by 124 | Submission Open
Keywords: aquaculture; infectious diseases; pathogens; diagnostics; control methods
(This special issue belongs to the Section Veterinary Microbiology)
Diagnostic Strategies and Evolutionary Insights into Small Ruminant Lentiviruses
edited by and Alfonso Bavoso
submission deadline 30 Sep 2026 | Viewed by 120 | Submission Open
Keywords: small ruminant lentiviruses (SRLV); caprine arthritis encephalitis virus; Maedi Visna virus; molecular epidemiology; viral evolution; immunopathogenesis; diagnosis; control strategies; phylogenetics; genotypic variability; SRLV phylogeography
(This special issue belongs to the Section Virology)
Interactions Between Probiotics and Host, Second Edition
edited by Sávio Henrique De Cicco Sandes
submission deadline 30 Sep 2026 | Viewed by 109 | 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)
Natural Products and Isolated Bioactive Compounds: Perspectives Against Pathogenic Microorganisms
edited by and Teresa I. Fortoul
submission deadline 30 Sep 2026 | Viewed by 108 | Submission Open
Keywords: natural products; bioactive compounds; antimicrobial; antifungal; antiparasitic
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Gut Microbiota Axes and Human Health
edited by
submission deadline 1 Oct 2026 | 3 articles | Viewed by 1914 | Submission Open
Keywords: irritable bowel syndrome; chronic inflammatory bowel diseases; chronic liver diseases; skin diseases; cancer immuntherapy; chronic diseaes; autoimmune diseases; gut metabolites; gut barrier disturbance; allergic diseases; post-COVID-19; chronic lung diseases
(This special issue belongs to the Section Gut Microbiota)
Fecal Microbiota Transplantation in Humans and Animals
edited by and Kelly Reveles
submission deadline 30 Oct 2026 | 1 articles | Viewed by 3522 | Submission Open
Keywords: microbiota transplantation; humans; food animals; domestic animals
(This special issue belongs to the Section Gut Microbiota)
Probiotics in Human Health and Disease submission deadline 30 Oct 2026 | 1 articles | Viewed by 705 | Submission Open
Keywords: gut microbiota; homeostasis; probiotics; in vitro model; gut-brain axis; probiotic treatment
(This special issue belongs to the Section Gut Microbiota)
Diagnosis and Treatment of Microbial Infections in Pets submission deadline 30 Oct 2026 | Viewed by 228 | Submission Open
Keywords: companion animals; microbial infections; molecular diagnostics; rapid pathogen detection; emerging pathogens; zoonotic transmission; innovative medical devices; classical and alternative therapies; antimicrobial hydrogels; nanoparticles; phytocompounds; ona health
(This special issue belongs to the Section Veterinary Microbiology)
Microbial Communities in Polar and High-Altitude Environments
edited by Miguel Ángel Fernández Martínez
submission deadline 30 Oct 2026 | Viewed by 147 | Submission Open
Keywords: polar microbiology; third pole; high-altitude environments; polar biotechnology; polar fauna diseases; ice microbiology; astrobiology; icy moon terrestrial analogs; climate change; environmental applications of artificial intelligence
(This special issue belongs to the Section Environmental Microbiology)
Deciphering Host–Parasite Dynamics: Exploring Epigenetic, Transcriptional, and Molecular Mechanisms in Intestinal Parasitic Infections
edited by Manasi Sawant and
submission deadline 30 Oct 2026 | Viewed by 114 | Submission Open
Keywords: intestinal parasites; host–parasite interactions; epigenetics; gene regulation; immune response
(This special issue belongs to the Section Gut Microbiota)
Probiotics, Prebiotics and Pet Health
edited by and
submission deadline 31 Oct 2026 | 4 articles | Viewed by 13020 | Submission Open
Keywords: gut microbiome; prebiotics; probiotics; pet nutrition; dysbiosis; host–microbe interactions; microbial bioactive; microbial therapy
(This special issue belongs to the Section Veterinary Microbiology)
Salmonella and Food Safety submission deadline 31 Oct 2026 | 6 articles | Viewed by 10200 | Submission Open
Keywords: Salmonella enterica; serotype; genotype; stress resistance; biofilm; food contamination; virulence determinants; antibiotic resistance; omics studies; diagnostics
(This special issue belongs to the Section Food Microbiology)
Borreliosis and Other Tick-Borne Diseases in the Northern and Southern Hemispheres, Second Edition
edited by
submission deadline 31 Oct 2026 | 3 articles | Viewed by 7963 | Submission Open
Keywords: Lyme disease; Borrelia; diagnosis; tick-borne infections; relapsing fever
(This special issue belongs to the Section Medical Microbiology)
Mycobacterium tuberculosis: Diagnostics, Drug Resistance and Molecular Epidemiology submission deadline 31 Oct 2026 | 3 articles | Viewed by 6553 | Submission Open
Keywords: Mycobacterium tuberculosis; tuberculosis diagnostics; drug-resistant tuberculosis; multidrug-resistant tuberculosis (MDR-TB); molecular epidemiology; whole-genome sequencing; tuberculosis molecular typing
(This special issue belongs to the Section Medical Microbiology)
Advances in Fungal Plant Pathogens: Diagnosis, Resistance and Control
edited by Micael F. M. Gonçalves
submission deadline 31 Oct 2026 | 7 articles | Viewed by 6355 | Submission Open
Keywords: fungal plant pathogens; disease diagnosis; plant resistance; biocontrol strategies; sustainable disease management
(This special issue belongs to the Section Plant Microbe Interactions)
Antimicrobial Resistance (AMR): From the Environment to Health
edited by
submission deadline 31 Oct 2026 | 6 articles | Viewed by 4843 | Submission Open
Keywords: antimicrobial resistance (AMR); environmental resistome; horizontal gene transfer; resistance evolution; virulence and adaptation; One Health; AMR surveillance; disinfection; metagenomics; wastewater-based epidemiology
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Bioproducts from Cyanobacteria and Microalgae: Current Trends and Future Perspectives submission deadline 31 Oct 2026 | 3 articles | Viewed by 4211 | Submission Open
Keywords: cyanobacteria; microalgae; bioproducts; biotechnology; biorefinery; process optimisation; genetic and metabolic engineering; wastewater treatment; cultivation systems
(This special issue belongs to the Section Environmental Microbiology)
Emerging Perspectives in Lyme Disease: Microbial Interactions, Host Responses, and Therapeutic Innovations
edited by Georgi Todorov Popov
submission deadline 31 Oct 2026 | 2 articles | Viewed by 3969 | Submission Open
Keywords: lyme disease; tick-borne; immune response
(This special issue belongs to the Section Medical Microbiology)
Microbiomes in Human Health and Diseases
edited by Xiangning Bai
submission deadline 31 Oct 2026 | 2 articles | Viewed by 3844 | Submission Open
Keywords: microbiome; health and disease; immunity; metabolism; microbiome-directed diagnostics and therapeutics
(This special issue belongs to the Section Microbiomes)
Bio-Convergence: Microorganism Usage for Sustainability Applications
edited by Yuval Dorfan
submission deadline 31 Oct 2026 | 3 articles | Viewed by 3827 | 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)
Microbial Diversity in Different Environments
edited by Silvena B. Boteva
submission deadline 31 Oct 2026 | 4 articles | Viewed by 3680 | Submission Open
Keywords: microbial diversity; species identification; metagenomics; metabolomics; metaproteomics; culture methods; ecosystem function; ecosystem structure
(This special issue belongs to the Section Environmental Microbiology)
Advances in Clinical Infections and Antimicrobial Resistance submission deadline 31 Oct 2026 | 3 articles | Viewed by 3370 | Submission Open
Keywords: multidrug resistant organisms; antimicrobial resistance; clinical infections; resistant genes; antimicrobial stewardship; infection control; novel therapies
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Milk, Microbes, and Medicine: The Triad Shaping Infant Health submission deadline 31 Oct 2026 | 2 articles | Viewed by 3219 | Submission Open
Keywords: human milk; breast milk; microbiome; breastfeeding; infant; gut microbiota; microorganisms; maternal-infant biome; immunity; antibodies; bacteria
(This special issue belongs to the Section Microbiomes)
Advances in Microbial Genomics in the AMR Field submission deadline 31 Oct 2026 | 4 articles | Viewed by 3218 | 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)
Diversity of Plant Pathogens
edited by , and Emil Rekanovic̈
submission deadline 31 Oct 2026 | 3 articles | Viewed by 3004 | Submission Open
Keywords: plant pathogens; host–pathogen interactions; disease management
(This special issue belongs to the Section Plant Microbe Interactions)
Microorganisms in Silage—2nd Edition submission deadline 31 Oct 2026 | 4 articles | Viewed by 2998 | Submission Open
Keywords: ensiling; microbial community; microbial contamination; functional lactic acid bacteria; fermented feed
(This special issue belongs to the Section Food Microbiology)
Endophytic Fungus as Producers of New and/or Bioactive Substances, Second Edition
edited by Cecilia Veronica Nunez
submission deadline 31 Oct 2026 | 3 articles | Viewed by 2471 | Submission Open
Keywords: endophytic fungus; natural products ; terpenes ; alkaloids ; flavonoids ; peptides ; nuclear magnetic resonance ; bioactivity
(This special issue belongs to the Section Environmental Microbiology)
Beneficial Biofilms: From Mechanisms to Applications submission deadline 31 Oct 2026 | 2 articles | Viewed by 2392 | 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 Genome Analysis and Interpretation Using Computational Approaches—Third Edition
edited by
submission deadline 31 Oct 2026 | 3 articles | Viewed by 2297 | Submission Open
Keywords: microbial genome; whole-genome sequencing; bioinformatics
(This special issue belongs to the Section Microbiomes)
Structural Studies of RNA Virus Replication
edited by Ming Luo
submission deadline 31 Oct 2026 | 3 articles | Viewed by 2167 | Submission Open
Keywords: crystal; cryoEM; cryoET; genome; polymerase; replication; transcription; RNA synthesis; assembly; entry
(This special issue belongs to the Section Virology)
Microbial Fermentation, Food and Food Sustainability, 2nd Edition submission deadline 31 Oct 2026 | 2 articles | Viewed by 1674 | Submission Open
Keywords: food; production; fermentation; microbial community; bioprocesses
(This special issue belongs to the Section Food Microbiology)
Silver Nanoparticles as Antimicrobial Agents submission deadline 31 Oct 2026 | 1 articles | Viewed by 1658 | Submission Open
Keywords: silver nanoparticles; antimicrobial; antibiotic; mechanism; resistance; infection prevention; biocompatibility; biofilm
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Advances in Viral Metagenomics, 2nd Edition
edited by , Tania Regina Tozetto Mendoza and Maria Cássia Mendes-Correa
submission deadline 31 Oct 2026 | 1 articles | Viewed by 1531 | Submission Open
Keywords: virus; metagenomics; virosphere; virome; viral diversity; viral evolution
(This special issue belongs to the Section Virology)
New Crucial Pathogens and Antimicrobial Resistance in Animals, Communities, Hospitals and the Environment in the One Health Context
edited by Xuewen Li
submission deadline 31 Oct 2026 | 2 articles | Viewed by 1486 | Submission Open
Keywords: antimicrobial resistance; one health; emerging contaminants; evolution; mutation
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Functional Foods from Microbes
edited by Xiaofan Wang and Xiaoyuan Wei
submission deadline 31 Oct 2026 | 1 articles | Viewed by 1185 | Submission Open
Keywords: microbe; health; nutrients; metabolites; multi-omics; animals; functional food; molecular biology
(This special issue belongs to the Section Food Microbiology)
Probiotics: Innovations and Future Directions submission deadline 31 Oct 2026 | 1 articles | Viewed by 1035 | Submission Open
Keywords: next-generation probiotics; engineered microorganisms; omics technologies; probiotic-based personalized medicine; probiotic-based precision nutrition; advanced probiotic delivery systems
(This special issue belongs to the Section Microbial Biotechnology)
Dietary and Animal Gut Microbiota, 2nd Edition
edited by
submission deadline 31 Oct 2026 | 2 articles | Viewed by 985 | Submission Open
Keywords: dietary; animal nutrition; gut microbiota; microbial metabolism; gut health
(This special issue belongs to the Section Veterinary Microbiology)
Advances in Mechanisms of Multidrug-Resistant Bacteria
edited by
submission deadline 31 Oct 2026 | 1 articles | Viewed by 854 | Submission Open
Keywords: antimicrobial resistance; antimicrobial resistance evolution; multidrug-resistant bacteria; resistance mechanisms; innovative drug development
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Antibiotic Resistance in the Aquatic Environment: One Health and Environmental Health Perspectives submission deadline 31 Oct 2026 | 1 articles | Viewed by 644 | Submission Open
Keywords: aquatic ecosystems; environmental health; antibiotic resistance; resistance genes; microbial ecology; waterborne pathogens; biofilms; wastewater; One Health; ecotoxicology
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Antimicrobial Testing (AMT), Fourth Edition
edited by
submission deadline 31 Oct 2026 | 1 articles | Viewed by 588 | Submission Open
Keywords: antibiogram; antibiotic susceptibility test; antimicrobial testing; bacterial resistance; biofilm-embedded bacteria; antifungal test; genotypic AMT; multidrug resistance; antimicrobial nanoparticle
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Yeast: Diversity and Biotechnological Applications in Food
edited by and Tânia Lúcia Montenegro Stamford
submission deadline 31 Oct 2026 | 1 articles | Viewed by 565 | Submission Open
Keywords: yeast; biotechnology; fermentation; unconventional yeasts; biotransformation; food biotechnology; industrial microbiology
(This special issue belongs to the Section Microbial Biotechnology)
Viral Coinfections in Respiratory Diseases: Epidemiology, Mechanisms, and Therapeutic Implications submission deadline 31 Oct 2026 | Viewed by 536 | Submission Open
Keywords: respiratory viruses; viral coinfection; epidemiology; immunopathogenesis; virus–virus interactions; host–pathogen interactions; respiratory syncytial virus; influenza virus; SARS-CoV-2; diagnostic methods; antiviral therapy; disease severity; viral seasonality; multiplex PCR; clinical outcomes
(This special issue belongs to the Section Medical Microbiology)
Carbapenem-Resistant Enterobacterales (CRE) Surveillance, Infection and Epidemiology
edited by
submission deadline 31 Oct 2026 | 1 articles | Viewed by 413 | Submission Open
Keywords: carbapenem-resistant Enterobacterales; CRE; carbapenemase-producing Enterobacterales; CPE; pre-admission screening; risk-based screening; infection prevention and control; antimicrobial resistance; hospital epidemiology; colonization surveillance; carbapenemase genes
(This special issue belongs to the Section Medical Microbiology)
Inflammatory Bowel Diseases
edited by
submission deadline 31 Oct 2026 | 1 articles | Viewed by 399 | Submission Open
Keywords: inflammatory bowel disease; Crohn’s disease; ulcerative colitis; gut microbiota; dysbiosis; microbiome; intestinal inflammation; microbial biomarkers; antimicrobial resistance; precision medicine
(This special issue belongs to the Section Medical Microbiology)
Basic Research and Application Research of Food Microorganisms submission deadline 31 Oct 2026 | 1 articles | Viewed by 350 | Submission Open
Keywords: lactic acid bacteria; food spoilage microorganisms; foodborne pathogens; mycotoxins; preservation techniques
(This special issue belongs to the Section Food Microbiology)
Fish Nutrition and Microbiology
edited by Denise Schrama and
submission deadline 31 Oct 2026 | Viewed by 339 | Submission Open
Keywords: aquaculture; fish nutrition; microbiology; fish health; sustainability; microorganisms; microbiota; stress; immune response
(This special issue belongs to the Section Veterinary Microbiology)
Gut Microbiota and Antibiotic Resistance in Ruminants submission deadline 31 Oct 2026 | Viewed by 260 | Submission Open
Keywords: gastrointestinal microbes; resistance physiology; microbial ecology; microbial physiology; antimicrobial resistance; One Health; alternatives to antimicrobials; interventions
(This special issue belongs to the Section Veterinary Microbiology)
Pediatric Infectious Diseases: Diagnostics, Antimicrobial Resistance, Pathogenesis, and Vaccine Development submission deadline 31 Oct 2026 | Viewed by 248 | Submission Open
Keywords: pediatric infections; molecular diagnostics; pathogenesis; vaccines; antimicrobial resistance; immunology; emerging pathogens; child health; infectious disease epidemiology; prevention strategies
(This special issue belongs to the Section Medical Microbiology)
Fungal Diseases of Cereals submission deadline 31 Oct 2026 | Viewed by 209 | Submission Open
Keywords: fungi; cereals; pathogens; crop health; disease management
(This special issue belongs to the Section Plant Microbe Interactions)
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