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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Food- and Waterborne Pathogens: Epidemiology, Genomics, Virulence, and Resistance Profiles, 2nd Edition
edited by and
submission deadline 31 Dec 2025 | 1 articles | Viewed by 633 | Submission Open
Keywords: antimicrobial resistance; mobile genetic elements; persistence and biofilms; whole-genome sequencing; public health and epidemiology; trends of microbial pathogens; influence of environmental changes in gene expression; animal health; food safety; water quality; prevention and control of food- and waterborne pathogens
(This special issue belongs to the Section Environmental Microbiology)
HIV Infections: Diagnosis and Drug Uses submission deadline 31 Dec 2025 | 1 articles | Viewed by 621 | Submission Open
Keywords: HIV prevention and vaccines; drug resistance; HIV-1 coinfections; HIV diagnosis; natural products as antiviral agents; immunomodulation
(This special issue belongs to the Section Virology)
Gene Expression Profiling in Leishmania: From Basic Research to Vaccines and Drug Targets
edited by and Ana M. Alonso
submission deadline 31 Dec 2025 | Viewed by 598 | Submission Open
Keywords: Leishmania spp.; genomics; transcriptomics; proteomics; promastigotes; amastigotes; extracellular vesicles; vaccine candidates; drug target candidates; meta-analysis
(This special issue belongs to the Section Medical Microbiology)
The Interactions Between Nutrients and Microbiota submission deadline 31 Dec 2025 | Viewed by 516 | Submission Open
Keywords: diet; nutrients; microbiota; human health
(This special issue belongs to the Section Food Microbiology)
From Sewers to Solutions: Wastewater Surveillance in the Fight Against Antimicrobial Resistance
edited by Mohamed M. H. Abdelbary, and Kazunari Sei
submission deadline 31 Dec 2025 | Viewed by 481 | Submission Open
Keywords: AMR pathogens in wastewater; carbapenem-resistant enterobacterales; wastewater resistome; culture-based detection; molecular methodologies for pathogens detection; digital PCR; hospital and urban Wastewater; wastewater microbiome; mobile genetic elements; AMR plasmids
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Algae–Bacteria Interactions in Environment
edited by LiXiao Ni
submission deadline 31 Dec 2025 | Viewed by 477 | Submission Open
Keywords: algal– bacterial interactions; algal– bacterial symbiosis; cyanobacterial blooms; quorum sensing; biogeochemical cycling; wastewater treatment; ecological networks
(This special issue belongs to the Section Environmental Microbiology)
Bioinformatics and Omic Data Analysis in Microbial Research, 2nd Edition
edited by
submission deadline 31 Dec 2025 | 1 articles | Viewed by 431 | Submission Open
Keywords: bioinformatics; microorganisms; genomics; proteomics; metabolomics; software pipelines
(This special issue belongs to the Section Microbiomes)
Novel Antimicrobial Approaches in Biofilm Control in the Food Industry: Future Perspectives submission deadline 31 Dec 2025 | Viewed by 413 | Submission Open
Keywords: microbial growth; biofilm formation; antimicrobial strategies; food industry; combined treatments
(This special issue belongs to the Section Biofilm)
Laboratory Diagnosis and Epidemiology of Clinical Microbial Infections
edited by
submission deadline 31 Dec 2025 | 1 articles | Viewed by 397 | Submission Open
Keywords: infectious disease; laboratory diagnosis; epidemiology
(This special issue belongs to the Section Medical Microbiology)
The Epidemiology, Clinical Aspects, Treatment and Preventive Strategies for Infectious Diseases in the Era of Antimicrobial Resistance (AMR)
edited by Victoria Birlutiu
submission deadline 31 Dec 2025 | 1 articles | Viewed by 384 | Submission Open
Keywords: antimicrobial resistance (AMR); multidrug-resistant bacteria; antifungal resistance; infectious disease epidemiology; clinical microbiology; rapid diagnostics; biofilm-related infections; antimicrobial stewardship; infection prevention; resistance surveillance
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Resistance of Gram-Negative Bacteria to Last-Resort Antibacterials
edited by Sophia Vourli
submission deadline 31 Dec 2025 | Viewed by 369 | 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)
Fruit Wine Fermentation and Microbial Communities
edited by
submission deadline 31 Dec 2025 | Viewed by 348 | 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)
Microparasites: Diversity, Phylogeny and Molecular Characterization
edited by Alena Mayo Iniguez
submission deadline 31 Dec 2025 | Viewed by 346 | Submission Open
Keywords: parasitology; diversity; molecular biology; phylogeny; genomics; paleogenetics; taxonomy
(This special issue belongs to the Section Environmental Microbiology)
Trichomonas vaginalis and Trichomoniasis: Biomarkers and Possible Pharmacological Alternatives submission deadline 31 Dec 2025 | Viewed by 334 | 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 333 | 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 327 | 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 298 | Submission Open
Keywords: rare; pathogen; diseases; pathogenic bacteria
(This special issue belongs to the Section Medical 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 173 | 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 172 | 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 170 | Submission Open
Keywords: oral microbiome; biofilms; dysbiosis; antimicrobial strategies; host– microbiota interactions
(This special issue belongs to the Section Microbiomes)
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 164 | 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)
Probiotic and Postbiotic Properties of Lactobacillus, 2nd Edition
edited by
submission deadline 31 Dec 2025 | Viewed by 163 | 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 142 | 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)
Anaerobic Gut Fungi: Ecological Role and Biotechnological Potential
edited by Radwa Hanafy
submission deadline 31 Dec 2025 | Viewed by 133 | 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 132 | 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 130 | 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)
Microbiome Research for Animal, Plant and Environmental Health: Second Edition
edited by and
submission deadline 31 Dec 2025 | Viewed by 128 | Submission Open
Keywords: environmental microbiome; soil microbiome; rhizobiome; host– microbe interactions; microbiome manipulation; sustainable agriculture
(This special issue belongs to the Section Microbiomes)
Chemolithoautotrophic Microorganisms—Pioneers of Biospheric Evolution and Sustainable Biotechnology
edited by Lijing Jiang
submission deadline 31 Dec 2025 | Viewed by 118 | 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 113 | Submission Open
Keywords: microorganisms; environment; microbial communication; microbial ecology; biodegradation; bioremediation
(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 112 | Submission Open
Keywords: commensal; environment; metabolism; multi-disciplinarity; pathogen; second messenger signaling
(This special issue belongs to the Section Biofilm)
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 104 | Submission Open
Keywords: microbiome; multi-omics; microbial communities; metabolic modelling; bioinformatics tools
(This special issue belongs to the Section Microbiomes)
Microbial Nutrient Cycling Mechanisms
edited by
submission deadline 31 Dec 2025 | Viewed by 104 | Submission Open
Keywords: microbes; nutrient cycling; mechanism; carbon; nitrogen; phosphorus; sulfur; environmental factors; biotechnology applications
(This special issue belongs to the Section Environmental Microbiology)
Bacterial Resistance and Adaptation in the Post-Antibiotic Ban Era
edited by and
submission deadline 31 Dec 2025 | Viewed by 103 | Submission Open
Keywords: impact of antibiotic bans; antibiotic use; antimicrobial resistance; antibiotic restrictions
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Breaking Barriers: The Breakdown of Epithelial Defenses by Pathogens
edited by
submission deadline 31 Dec 2025 | Viewed by 101 | 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)
State of the Art of Gut Microbiota in Italy (2025, 2026)
edited by and Francesco Candeliere
submission deadline 31 Dec 2025 | Viewed by 98 | Submission Open
Keywords: metagenomics; genomics; gut microbiota; probiotics; microbial ecology; microbial biotechnology
(This special issue belongs to the Section Gut Microbiota)
Antimicrobial Research: In Silico Strategies for Drug Discovery Against Microbial Infections submission deadline 31 Dec 2025 | Viewed by 96 | 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)
Unraveling the Mysteries of Gut Microbiota to Advance Sustainable Aquaculture
edited by Qunlan Zhou
submission deadline 31 Dec 2025 | Viewed by 95 | Submission Open
Keywords: gut microbiota; functional probiotics; immunity; nutrition; multi-omics
(This special issue belongs to the Section Gut Microbiota)
Advances in the Human Oral Microbiome: From Ecology to Precision Therapeutics
edited by
submission deadline 31 Dec 2025 | Viewed by 89 | 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)
Marine Agricultural Microorganisms
edited by
submission deadline 31 Dec 2025 | Viewed by 86 | Submission Open
Keywords: marine agricultural microorganisms; natural products; microbial pesticides; microbial fertilizers; microbial stimulants
(This special issue belongs to the Section Environmental Microbiology)
Diagnostic and Molecular Epidemiology of Infectious Diseases in Veterinary Medicine
edited by Seyed Ali Ghorashi
submission deadline 31 Dec 2025 | Viewed by 86 | 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)
New Developments in Virus Detection and Disinfection in the Environment
edited by and Xiuping Jiang
submission deadline 31 Dec 2025 | Viewed by 82 | Submission Open
Keywords: virus; environmental surface; air; water; detection; disinfection
(This special issue belongs to the Section Public Health Microbiology)
Exploring the Gut–Brain Axis in Dementia: Biomarkers, Microbiota, and Machine Learning Approaches
edited by
submission deadline 31 Dec 2025 | Viewed by 82 | Submission Open
Keywords: gut-brain axis; microbiota; biomarkers; machine learning; dementia
(This special issue belongs to the Section Gut Microbiota)
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)
Sexually Transmitted Infections and Host Immune Response
edited by MacIej Pastuszczak
submission deadline 31 Dec 2025 | Viewed by 76 | 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 72 | 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 71 | 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)
Infectious Disease in Companion Animals submission deadline 31 Dec 2025 | Viewed by 69 | Submission Open
Keywords: companion animals; veterinary medicine; infectious diseases
(This special issue belongs to the Section Veterinary Microbiology)
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)
The Gut–CKD Axis: Thinking Outside the Box
edited by , and Marcia Ribeiro
submission deadline 31 Dec 2025 | Viewed by 63 | 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)
Nanoparticle-Based Vaccines and Therapeutics for Multidrug-Resistant Pathogens
edited by and Elisabet Bjånes
submission deadline 31 Dec 2025 | Viewed by 61 | Submission Open
Keywords: antimicrobial resistance; nanotherapeutic; nanovaccine; nanomedicine; pathogen; multidrug resistance
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
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