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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Novel Antimicrobial Approaches in Biofilm Control in the Food Industry: Future Perspectives submission deadline 31 Dec 2025 | Viewed by 434 | Submission Open
Keywords: microbial growth; biofilm formation; antimicrobial strategies; food industry; combined treatments
(This special issue belongs to the Section Biofilm)
Resistance of Gram-Negative Bacteria to Last-Resort Antibacterials
edited by Sophia Vourli
submission deadline 31 Dec 2025 | Viewed by 376 | Submission Open
Keywords: last-resort antimicrobials; mechanisms of resistance to new antimicrobials; PK/PD of new and old antimicrobials; combination therapy; resistance genomics
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Microparasites: Diversity, Phylogeny and Molecular Characterization
edited by Alena Mayo Iniguez
submission deadline 31 Dec 2025 | Viewed by 360 | Submission Open
Keywords: parasitology; diversity; molecular biology; phylogeny; genomics; paleogenetics; taxonomy
(This special issue belongs to the Section Environmental Microbiology)
Fruit Wine Fermentation and Microbial Communities
edited by
submission deadline 31 Dec 2025 | Viewed by 357 | Submission Open
Keywords: fruit wine; fermentation; lactic acid bacteria; yeast; microbial diversity; flavor; volatile compounds; metabolites
(This special issue belongs to the Section Food Microbiology)
Trichomonas vaginalis and Trichomoniasis: Biomarkers and Possible Pharmacological Alternatives submission deadline 31 Dec 2025 | Viewed by 340 | Submission Open
Keywords: trichomoniasis in men; biomarkers; pharmaceutical alternatives
(This special issue belongs to the Section Medical Microbiology)
Microbial Biofilms and Biofouling
edited by
submission deadline 31 Dec 2025 | Viewed by 339 | Submission Open
Keywords: microbial attachment; biofilm formation; microbial extracellular production of cues; interactions between all microbes in a natural biofilm community; sessile invertebrate larvae; algal zoospores
(This special issue belongs to the Section Environmental Microbiology)
Microbe-Plant-Environment Interactions over Time
edited by
submission deadline 31 Dec 2025 | Viewed by 332 | Submission Open
Keywords: microbe– plant– environment interaction; crops; plant pathogen
(This special issue belongs to the Section Plant Microbe Interactions)
Rare Human Pathogens
edited by Percy Schröttner
submission deadline 31 Dec 2025 | Viewed by 308 | Submission Open
Keywords: rare; pathogen; diseases; pathogenic bacteria
(This special issue belongs to the Section Medical Microbiology)
Role of Microbes in the Remediation of Pollutants in the Environment, 2nd Edition
edited by Lilan Zhang and Xiaowei Liu
submission deadline 31 Dec 2025 | Viewed by 214 | Submission Open
Keywords: bioremediation; bacteria; archaea; fungi; microalgae; viruses; petroleum hydrocarbons; heavy metals; emerging pollutants; experimental biostimulation and bioaugmentation; bioindicators and biosensors; microbial and microbiome engineering; biosurfactants; hydrocarbon-degrading enzymes
(This special issue belongs to the Section Environmental Microbiology)
Diagnosis, Treatment, and Prevention of Biofilm Infections—How to Proceed?
edited by Niels Høiby and Claus Moser
submission deadline 31 Dec 2025 | Viewed by 201 | Submission Open
Keywords: biofilm; biofilm infections; chronic infections; foreign body infections; implant infections
(This special issue belongs to the Section Biofilm)
Bloodstream Infection: Common and Uncommon Pathogens
edited by Carola Mauri
submission deadline 31 Dec 2025 | Viewed by 186 | Submission Open
Keywords: bloodstream infection (BSI); pathogens; antibiotic resistance; new drugs
(This special issue belongs to the Section Medical Microbiology)
Human Microbiome and Microbial Ecology of Oral Diseases
edited by and Sanja Matić Petrović
submission deadline 31 Dec 2025 | Viewed by 173 | Submission Open
Keywords: oral microbiome; biofilms; dysbiosis; antimicrobial strategies; host– microbiota interactions
(This special issue belongs to the Section Microbiomes)
Probiotic and Postbiotic Properties of Lactobacillus, 2nd Edition
edited by
submission deadline 31 Dec 2025 | Viewed by 168 | Submission Open
Keywords: Lactobacillus; probiotics; postbiotics; novel probiotic properties; next-generation probiotics
(This special issue belongs to the Section Food Microbiology)
Parasitic Diseases in Livestock, 2nd Edition submission deadline 31 Dec 2025 | Viewed by 151 | Submission Open
Keywords: epidemiology of parasitic diseases in the livestock industry; impact of parasites on herd economy; zoonotic parasites of livestock; molecular characterization and influence on virulence; implementation of innovative tools for diagnostics; treatment and drug resistance; control and prevention
(This special issue belongs to the Section Veterinary Microbiology)
Microbiome Research for Animal, Plant and Environmental Health: Second Edition
edited by and
submission deadline 31 Dec 2025 | Viewed by 145 | Submission Open
Keywords: environmental microbiome; soil microbiome; rhizobiome; host– microbe interactions; microbiome manipulation; sustainable agriculture
(This special issue belongs to the Section Microbiomes)
Anaerobic Gut Fungi: Ecological Role and Biotechnological Potential
edited by Radwa Hanafy
submission deadline 31 Dec 2025 | Viewed by 144 | Submission Open
Keywords: anaerobic gut fungi; neocallimastigomycota; CAZymes; rumen microbiome; microbial symbiosis; methanogenesis; host– microbe interaction; bioenergy; fungal biotechnology
(This special issue belongs to the Section Gut Microbiota)
Gut Microbiota and Metabolic Disease Pathogenesis
edited by
submission deadline 31 Dec 2025 | Viewed by 141 | Submission Open
Keywords: gut microbiota dynamics (structural/morphological/anatomical changes; eubiosis; and dysbiosis); exploring healthy gut microbiota; gut microbiota; host genetics; and epigenetics; gut microbiota shotgun metagenomics; single-cell sequencing; CRISPR editing; and spatial profiling; transcriptomics; proteomics; and metabolomics; mitochondrial bioenergetics and metabolism; mitochondrial signaling; personalized and precision microbiome therapies; microbial metabolites as therapeutics; gut– brain axis and neuroactive microbes; gut– brain axis in cardio-pulmonary vascular diseases; gut involvement in metabolic diseases; gut microbiota in immune-oncology and cancer
(This special issue belongs to the Section Gut Microbiota)
Microbiome Innovations in Food Systems for a Green Future submission deadline 31 Dec 2025 | Viewed by 141 | Submission Open
Keywords: soil fertility; climate change; crop resilience; sustainable food processes; global food security; alternative protein production; dietary sustainability; food preservation; functional foods; human and animal health; waste management; circular economy; sustainable food policies and regulations
(This special issue belongs to the Section Microbiomes)
Bacterial Resistance and Adaptation in the Post-Antibiotic Ban Era
edited by and
submission deadline 31 Dec 2025 | Viewed by 129 | Submission Open
Keywords: impact of antibiotic bans; antibiotic use; antimicrobial resistance; antibiotic restrictions
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Chemolithoautotrophic Microorganisms—Pioneers of Biospheric Evolution and Sustainable Biotechnology
edited by Lijing Jiang
submission deadline 31 Dec 2025 | Viewed by 128 | Submission Open
Keywords: chemolithoautotrophic microorganisms; ancient metabolic pathways; extreme environmental; microbial– mineral interactions; industrial applications; extraterrestrial life
(This special issue belongs to the Section Environmental Microbiology)
State-of-the-Art Environmental Microbiology in Canada 2025, 2026
edited by
submission deadline 31 Dec 2025 | Viewed by 121 | Submission Open
Keywords: microorganisms; environment; microbial communication; microbial ecology; biodegradation; bioremediation
(This special issue belongs to the Section Environmental Microbiology)
Microbial Nutrient Cycling Mechanisms
edited by
submission deadline 31 Dec 2025 | Viewed by 120 | Submission Open
Keywords: microbes; nutrient cycling; mechanism; carbon; nitrogen; phosphorus; sulfur; environmental factors; biotechnology applications
(This special issue belongs to the Section Environmental Microbiology)
Advances in Microbial Biofilm Formation (2nd Edition)
edited by
submission deadline 31 Dec 2025 | Viewed by 116 | Submission Open
Keywords: commensal; environment; metabolism; multi-disciplinarity; pathogen; second messenger signaling
(This special issue belongs to the Section Biofilm)
State of the Art of Gut Microbiota in Italy (2025, 2026)
edited by and Francesco Candeliere
submission deadline 31 Dec 2025 | Viewed by 111 | Submission Open
Keywords: metagenomics; genomics; gut microbiota; probiotics; microbial ecology; microbial biotechnology
(This special issue belongs to the Section Gut Microbiota)
Integrative Metabolic Modelling of Bacterial Systems in Microbiome Contexts: From Genomes to Community Functions
edited by Arianna Basile
submission deadline 31 Dec 2025 | Viewed by 110 | Submission Open
Keywords: microbiome; multi-omics; microbial communities; metabolic modelling; bioinformatics tools
(This special issue belongs to the Section Microbiomes)
Breaking Barriers: The Breakdown of Epithelial Defenses by Pathogens
edited by
submission deadline 31 Dec 2025 | Viewed by 108 | Submission Open
Keywords: epithelial barrier; blood– brain barrier; barrier breakdown; pathogen invasion; tight junctions; endothelial cells; mucosal immunity; host– pathogen interaction; epithelial remodeling; neuroinvasion; respiratory tract
(This special issue belongs to the Section Medical Microbiology)
Antimicrobial Research: In Silico Strategies for Drug Discovery Against Microbial Infections submission deadline 31 Dec 2025 | Viewed by 103 | Submission Open
Keywords: antibacterial; antifungal; antiparasitic; antiviral; AI/machine learning; QSAR; complex network analysis; ligand-based drug discovery; structure-based drug discovery; de novo design; molecular modeling; chemoinformatics
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Advances in the Human Oral Microbiome: From Ecology to Precision Therapeutics
edited by
submission deadline 31 Dec 2025 | Viewed by 102 | Submission Open
Keywords: oral microbiome; biofilm ecology; multi-omics profiling; host– microbe interactions; precision therapeutics; salivary diagnostics; dysbiosis and disease; probiotics and phage therapy; spatial imaging; oral– systemic axis
(This special issue belongs to the Section Microbiomes)
Unraveling the Mysteries of Gut Microbiota to Advance Sustainable Aquaculture
edited by Qunlan Zhou
submission deadline 31 Dec 2025 | Viewed by 101 | Submission Open
Keywords: gut microbiota; functional probiotics; immunity; nutrition; multi-omics
(This special issue belongs to the Section Gut Microbiota)
New Developments in Virus Detection and Disinfection in the Environment
edited by and Xiuping Jiang
submission deadline 31 Dec 2025 | Viewed by 96 | Submission Open
Keywords: virus; environmental surface; air; water; detection; disinfection
(This special issue belongs to the Section Public Health Microbiology)
Diagnostic and Molecular Epidemiology of Infectious Diseases in Veterinary Medicine
edited by Seyed Ali Ghorashi
submission deadline 31 Dec 2025 | Viewed by 93 | Submission Open
Keywords: ⁠veterinary medicine; ⁠veterinary science; ⁠veterinary pathology; ⁠molecular epidemiology; ⁠animal science; veterinary diagnostics; molecular diagnostics; infectious diseases; point-of-care testing; animal pathogens; zoonotic diseases; molecular typing; surveillance and monitoring; veterinary microbiology; diagnostic assay development; rapid diagnostics; veterinary pathogens; wildlife microbiology
(This special issue belongs to the Section Veterinary Microbiology)
Marine Agricultural Microorganisms
edited by
submission deadline 31 Dec 2025 | Viewed by 93 | Submission Open
Keywords: marine agricultural microorganisms; natural products; microbial pesticides; microbial fertilizers; microbial stimulants
(This special issue belongs to the Section Environmental Microbiology)
Exploring the Gut–Brain Axis in Dementia: Biomarkers, Microbiota, and Machine Learning Approaches
edited by
submission deadline 31 Dec 2025 | Viewed by 86 | Submission Open
Keywords: gut-brain axis; microbiota; biomarkers; machine learning; dementia
(This special issue belongs to the Section Gut Microbiota)
Sexually Transmitted Infections and Host Immune Response
edited by MacIej Pastuszczak
submission deadline 31 Dec 2025 | Viewed by 82 | Submission Open
Keywords: host immune response; syphilis; gonorrhea; non-gonococcal infections; HIV; STI
(This special issue belongs to the Section Molecular Microbiology and Immunology)
Current Updates on Multidrug-Resistant Gram-Negative Bacterial Infections
edited by and Andreea-Loredana Golli
submission deadline 31 Dec 2025 | Viewed by 81 | Submission Open
Keywords: antimicrobial resistance; gram-negative bacterial infections; pathogens; Acinetobacter baumannii; hospital-acquired infections
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Microbial Community Structure and Functions in Marine Sediments submission deadline 31 Dec 2025 | Viewed by 79 | Submission Open
Keywords: sediment microbiome; marine microbial ecology; deep-sea sediments; coastal sediments; biogeochemical cycles; metagenomics
(This special issue belongs to the Section Environmental Microbiology)
Biofilms and Implantable Device-Related Infections submission deadline 31 Dec 2025 | Viewed by 78 | Submission Open
Keywords: biofilm formation; implant-associated infections; medical devices; antimicrobial resistance; infection prevention
(This special issue belongs to the Section Biofilm)
Infectious Disease in Companion Animals submission deadline 31 Dec 2025 | Viewed by 75 | Submission Open
Keywords: companion animals; veterinary medicine; infectious diseases
(This special issue belongs to the Section Veterinary Microbiology)
Engineering of Microbial Factories for the Production of Useful Compounds submission deadline 31 Dec 2025 | Viewed by 67 | Submission Open
Keywords: microbial factories; metabolic engineering; synthetic biology; sustainable bioprocess
(This special issue belongs to the Section Microbial Biotechnology)
The Gut–CKD Axis: Thinking Outside the Box
edited by , and Marcia Ribeiro
submission deadline 31 Dec 2025 | Viewed by 67 | Submission Open
Keywords: gut microbiota; cardiometabolic diseases; cardiovascular disease; diabetes; kidney disease; immune responses; host metabolism; microbiota-targeted therapies
(This special issue belongs to the Section Gut Microbiota)
Molecular Mechanisms of Mammalian Intra-Amniotic Infection
edited by Matthew Jackson and Kevin Theis
submission deadline 31 Dec 2025 | Viewed by 67 | Submission Open
Keywords: intra-amniotic infections; microbes; pathogenic mechanisms
(This special issue belongs to the Section Molecular Microbiology and Immunology)
Nanoparticle-Based Vaccines and Therapeutics for Multidrug-Resistant Pathogens
edited by and Elisabet Bjånes
submission deadline 31 Dec 2025 | Viewed by 63 | Submission Open
Keywords: antimicrobial resistance; nanotherapeutic; nanovaccine; nanomedicine; pathogen; multidrug resistance
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Environmental Microbes in Antimicrobial Resistance and Soil Pollution Mitigation
edited by Yan Wang
submission deadline 31 Dec 2025 | Viewed by 63 | Submission Open
Keywords: antimicrobial resistance; genes; microbial bioremediation; soil; microbial communities; pollutant degradation; bioremediation
(This special issue belongs to the Section Environmental Microbiology)
Gut Microbiome in Homeostasis and Disease, 3rd Edition
edited by
submission deadline 15 Jan 2026 | 4 articles | Viewed by 2215 | Submission Open
Keywords: gut microbiome; dysbiosis; gut– brain axis; gut– liver axis; fecal microbiota transplantation; gut probiotics; commensal and non-commensal microorganisms; Helicobacter
(This special issue belongs to the Section Gut Microbiota)
Microorganisms in Aquatic Environments: Emphasis on Computational, In Vitro and Ex Vivo Studies
edited by Jovanka Lukić
submission deadline 15 Jan 2026 | Viewed by 270 | Submission Open
Keywords: microbiota; aquaculture; open water; in vitro; ex vivo; sequencing; modeling
(This special issue belongs to the Section Veterinary Microbiology)
Microbes for Sustainable Production
edited by
submission deadline 15 Jan 2026 | Viewed by 103 | Submission Open
Keywords: microbial biotechnology; microbial community; microbial diversity; microbial interactions; sustainable production; microbial bioremediation and circular economy
(This special issue belongs to the Section Microbial Biotechnology)
Infectious Disease Surveillance in Romania: Second Edition
edited by
submission deadline 20 Jan 2026 | 1 articles | Viewed by 581 | Submission Open
Keywords: surveillance; vaccine preventable diseases; antimicrobial resistance; health care associated infection; influenza; COVID-19; Romania
(This special issue belongs to the Section Public Health Microbiology)
Advances in Human Infections and Public Health
edited by Katrin Gaardbo Kuhn
submission deadline 31 Jan 2026 | 8 articles | Viewed by 24354 | Submission Open
Keywords: human infections; public health; advances; preparedness; control; prevention
(This special issue belongs to the Section Public Health Microbiology)
Current Pattern in Epidemiology and Antifungal Resistance
edited by , Javier Araiza Santibáñez and
submission deadline 31 Jan 2026 | 5 articles | Viewed by 13660 | Submission Open
Keywords: Candida albicans; Candida auris; Candida glabrata; Candida  parapsilosis; Aspergillus fumigatus; Cryptococcus neoformans; Mucormycosis; emerging fungal infections; nosocomial transmission; determination of antifungal susceptibility; resistance to antifungal agents; adaptation; rate of mutation and reproduction; molecular methods to determine resistance; the study of new antifungal agents; genotypic characterization techniques; invasive infections caused by filamentous fungi; antimicrobial peptides with antifungal properties; antifungal resistance in dermatophytes
(This special issue belongs to the Section Medical Microbiology)
Advances in Halophilic Microorganisms submission deadline 31 Jan 2026 | 3 articles | Viewed by 6758 | Submission Open
Keywords: halophilic; microbe; extremophiles; biotechnology; taxonomy and biodiversity
(This special issue belongs to the Section Environmental Microbiology)
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