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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The Application Potential of Microalgae in Green Biotechnology, 2nd Edition
edited by
submission deadline 31 Dec 2026 | 1 articles | Viewed by 4561 | Submission Open
Keywords: microalgae; green biotechnology; biomass; biofuel; biofertilizer; bioremediation
(This special issue belongs to the Section Microbial Biotechnology)
Microorganisms for Sustainable Aquaculture submission deadline 31 Dec 2026 | 3 articles | Viewed by 4461 | Submission Open
Keywords: aquaculture; diseases; probiotics; bacteriophages; immune response; water quality; functional ingredients
(This special issue belongs to the Section Veterinary Microbiology)
Probiotics and Gut Microbiome Dynamics in Health and Disease submission deadline 31 Dec 2026 | 2 articles | Viewed by 4440 | Submission Open
Keywords: gut microbiota; probiotics; functional foods; fermented foods; maternal–infant microbiome; diet–microbiome interactions; microbial colonization; microbial metabolites; microbiome biomarker; dysbiosis; precision nutrition; host–microbe interactions
(This special issue belongs to the Section Gut Microbiota)
Diversity and Applications of Yeasts: Food, Plant and Human Health submission deadline 31 Dec 2026 | 4 articles | Viewed by 4423 | Submission Open
Keywords: yeasts; taxonomy; diversity; yeast communities; environment; biocontrol; pathogenicity; interactions; adaptation; cultivation techniques; multi-omics approach
Pathogen Infections in Aquatic Animals—Advanced Detection Technologies, Precision Identification, and Pathogenic Mechanisms
edited by and
submission deadline 31 Dec 2026 | 3 articles | Viewed by 4080 | Submission Open
Keywords: aquatic pathogen; pathogen detection; omics technology; bacteriostasis; seafood safety; bio-safety
(This special issue belongs to the Section Veterinary Microbiology)
Bacterial Infections in Clinical Settings, 2nd Edition
edited by Viera Lovayová
submission deadline 31 Dec 2026 | 3 articles | Viewed by 4065 | Submission Open
Keywords: bacterial pathogens; antibiotic resistance; nosocomial infections; sepsis; bacteremia; clinical diagnosis; infection control; microbiological culture; antibiotic therapy; pathogen identification; biofilms; gram-positive bacteria; gram-negative bacteria; hospital-acquired infection (HAI); multidrug-resistant organisms (MDROs); empirical therapy; clinical microbiology; prophylactic antibiotics; infectious disease epidemiology; antimicrobial stewardship
(This special issue belongs to the Section Medical Microbiology)
Evolution and Spread of Drug-Resistant Pathogens submission deadline 31 Dec 2026 | 2 articles | Viewed by 3842 | Submission Open
Keywords: antimicrobial resistance (AMR); food-borne pathogens; superbugs; one health; horizontal gene transfer; mobile genetic elements (MGEs); surveillance and monitoring; resistant pathogens outbreaks; resistance mechanisms
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Microbial Electrolysis Cells and Microbial Fuel Cells
edited by Shuyao Wang
submission deadline 31 Dec 2026 | 3 articles | Viewed by 3364 | Submission Open
Keywords: bioelectrochemical systems; microbial fuel cell; microbial electrolysis cell; pollution control; cleaner energy production
(This special issue belongs to the Section Microbial Biotechnology)
Antifungal Resistance: Challenges in Diagnosis and Management
edited by
submission deadline 31 Dec 2026 | 2 articles | Viewed by 3263 | Submission Open
Keywords: mycoses; antifungal agents; drug resistance; fungal microbial sensitivity tests; antimicrobial stewardship; One Health
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Feature Papers on Respiratory Virus Infections
edited by and Fuminori Mizukoshi
submission deadline 31 Dec 2026 | 3 articles | Viewed by 3261 | Submission Open
Keywords: respiratory viruses; next-generation sequencing; molecular epidemiology; viral evolution; host–pathogen interactions; transmission dynamics; vaccine development; antiviral strategies; genomic surveillance; phylogenetics
(This special issue belongs to the Section Public Health Microbiology)
Recent Advances in Diagnostic Microbiology
edited by Hin Fung Tsang
submission deadline 31 Dec 2026 | 4 articles | Viewed by 3168 | Submission Open
Keywords: innovations; diagnostic microbiology; infectious diseases; patient management; artificial intelligence; machine learning; next-generation sequencing; antimicrobial resistance
(This special issue belongs to the Section Medical Microbiology)
Microbial Diversity Research in Different Environments
edited by
submission deadline 31 Dec 2026 | 2 articles | Viewed by 2967 | Submission Open
Keywords: microbial diversity; microflora; metagenomic analysis; climate change; bioremediation; fermentation; immune system modulation; antimicrobials
(This special issue belongs to the Section Microbial Biotechnology)
Infections in Solid Organ Transplant Recipients: Epidemiology, Pathogenesis, and Clinical Management
edited by
submission deadline 31 Dec 2026 | 1 articles | Viewed by 2652 | Submission Open
Keywords: solid organ transplant; transplant-associated infections; bacterial infections; viral infection; fungal infections; antimicrobial resistance; infection management; epidemiology
(This special issue belongs to the Section Medical Microbiology)
Phloem Localized Insect Transmitted Bacteria Associated with Plant Diseases (2nd Edition)
edited by
submission deadline 31 Dec 2026 | Viewed by 2569 | Submission Open
Keywords: phytopathogenic bacteria; ‘Candidatus Phytoplasma’ species; ‘Candidatus Liberibacter’ species and subspecies; plant disease; prevention; management; detection; identification; insect vectors
(This special issue belongs to the Section Plant Microbe Interactions)
State-of-the-Art Antimicrobial Agents and Resistance Research in the USA
edited by
submission deadline 31 Dec 2026 | 2 articles | Viewed by 2541 | Submission Open
Keywords: bacteria; microbiome; biofilm; bioaerosols; antimicrobials; antimicrobial resistance (AMR); antibiotics; antibiotic-resistant bacteria (ARBs); antibiotic-resistant genes (ARGs); membrane channels; ligands; receptors; molecular dynamics (MD) modeling; biolayer interferometry (BLI)
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Latest Review Papers in Antimicrobial Agents and Resistance 2026
edited by
submission deadline 31 Dec 2026 | 2 articles | Viewed by 2524 | Submission Open
Keywords: antimicrobial agents; antibacterial agents; antifungal agents; antiparasitic agents; resistance properties of microorganisms; antibiotic resistance; multidrug resistance
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Bats and Their Microbial Diversity submission deadline 31 Dec 2026 | 2 articles | Viewed by 2498 | Submission Open
Keywords: bat microbiome; microbial diversity; One Health; bat epidemiology; host–microbial dynamics; spillover risk
(This special issue belongs to the Section Veterinary Microbiology)
Detection and Analysis of Clinical Microbial Infections, Third Edition
edited by
submission deadline 31 Dec 2026 | 2 articles | Viewed by 2473 | Submission Open
Keywords: microorganisms’ detection and analysis; clinical microbiology; identification technologies; new identification methods; heterogeneous dissemination; unculturable pathogens; mixed microbial populations; new emerging pathogens; genomics; transcriptomics; proteomics; metabolomics; standardization of testing; sample data centralization
(This special issue belongs to the Section Medical Microbiology)
Advances in Microbial Biofilm Formation (2nd Edition)
edited by
submission deadline 31 Dec 2026 | 1 articles | Viewed by 2333 | Submission Open
Keywords: commensal; environment; metabolism; multi-disciplinarity; pathogen; second messenger signaling
(This special issue belongs to the Section Biofilm)
Microbial Safety and Beneficial Microorganisms in Foods, 2nd Edition
edited by
submission deadline 31 Dec 2026 | 2 articles | Viewed by 2163 | Submission Open
Keywords: microbial safety; foodborne pathogens; beneficial microorganisms; food processing; fermentation-oriented foods; probiotics
(This special issue belongs to the Section Food Microbiology)
Microbial Gene Editing Technology
edited by Yeshi Yin and Aihua Deng
submission deadline 31 Dec 2026 | 2 articles | Viewed by 2093 | Submission Open
Keywords: gene editing; CRISPR/Cas; genome engineering; microbial cell factory
(This special issue belongs to the Section Microbial Biotechnology)
Emerging Trends in Arboviral Research: Surveillance, Diagnostics, Virus–Host Interactions, and Therapeutic Strategies
edited by Flávia Barreto Dos Santos and
submission deadline 31 Dec 2026 | 1 articles | Viewed by 2040 | Submission Open
Keywords: arthropod-borne viruses; diagnostics; surveillance; vector–host interactions; pathogenesis; viral evolution; therapeutic strategies; antivirus
(This special issue belongs to the Section Virology)
Coronavirus: Epidemiology, Diagnosis, Pathogenesis and Control
edited by , and Kalina Shishkova
submission deadline 31 Dec 2026 | 2 articles | Viewed by 1989 | Submission Open
Keywords: coronaviruses; epidemiology; SARS-CoV-2; hosts; molecular methods; diagnostics; serology; pandemic spread; post-pandemic
(This special issue belongs to the Section Virology)
State-of-the-Art Environmental Microbiology in China 2026
edited by
submission deadline 31 Dec 2026 | 3 articles | Viewed by 1963 | Submission Open
Keywords: structure and function of microbial communities; microbial community genetics, transcriptomics, proteomics and metabolomics; microbial interaction; microbial communication; microbial ecology; microbial population biology; biogeochemical processes (C, N, P, S cycles); microbial life in extreme environments; evolutionary processes of microbial communities; biofilm formation and the surfaces of microbes; metabolic flux analysis and stable isotope probing (DNA, RNA and protein); microbiome biology of environmental habitats (e.g., soil, rhizosphere or aquifer); microbial treatment: microbial biodegradation, microbial bioremediation, microbial and waste recycling, microbial pesticide, microbial fertilizer, etc.; microbial pollution: pathogenic microorganisms in the environment (water/soil/air/food), microbial metabolism and environmental pollution (e.g., microbial toxin), etc.; microbiological monitoring: testing method and monitoring technique development
(This special issue belongs to the Section Environmental Microbiology)
Ecology and Genetics of Medically Important Fungi submission deadline 31 Dec 2026 | 2 articles | Viewed by 1839 | Submission Open
Keywords: medical mycology; fungal ecology; molecular genetics of pathogenic fungi; antifungal resistance; fungal omics; host–pathogen interaction; environmental adaptation; fungal virulence
(This special issue belongs to the Section Medical Microbiology)
Lactic Acid Bacteria and Dairy Food Production
edited by , and Aleksandr Novoslavskij
submission deadline 31 Dec 2026 | 2 articles | Viewed by 1798 | Submission Open
Keywords: lactic acid bacteria; probiotic microorganisms; bioactive compounds; dairy foods; metagenomics; fermentation
(This special issue belongs to the Section Food Microbiology)
Advances in Legionella pneumophila: Climate Change, Water Safety and Public Health submission deadline 31 Dec 2026 | 1 articles | Viewed by 1571 | Submission Open
Keywords: Legionella pneumophila; Legionnaires’ disease; climate change; Water Safety Plans; risk assessment and management; environmental and wastewater surveillance; rapid detection methods
(This special issue belongs to the Section Public Health Microbiology)
Biofilm Development and Its Eradication
edited by Jean-Frédéric Dubern
submission deadline 31 Dec 2026 | 1 articles | Viewed by 1199 | Submission Open
Keywords: biofilm formation; drug resistance; medical device; biofilm control; biofilm model; anti-biofilm molecules
(This special issue belongs to the Section Biofilm)
Current Insight into the Evolving Landscape of Respiratory Infections in a Post-Pandemic Era submission deadline 31 Dec 2026 | 1 articles | Viewed by 1104 | Submission Open
Keywords: respiratory infections surveillance; respiratory infections in migrants and refugees; current perspectives in testing and diagnosis; vaccination strategies; preventive measures
(This special issue belongs to the Section Public Health Microbiology)
Pathogenesis, Virulence and Host Responses to Infections by Candida spp
edited by
submission deadline 31 Dec 2026 | 1 articles | Viewed by 1011 | Submission Open
Keywords: Candida albicans; Candida spp.; pathogenetic mechanisms; virulence traits; fungal–host interactions; diagnostics; antifungal therapy
(This special issue belongs to the Section Medical Microbiology)
Antimicrobial Ability of Natural Products submission deadline 31 Dec 2026 | 1 articles | Viewed by 982 | Submission Open
Keywords: antimicrobial activity; natural compounds; plant extracts; antibacterial; antifungal; alternatives
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Feature Papers in “Molecular Microbiology and Immunology” Section (2026, 2027)
edited by
submission deadline 31 Dec 2026 | 1 articles | Viewed by 964 | Submission Open
Keywords: gene expression regulation; DNA replication; mutagenesis and DNA repair; genetic recombination; immune response to microbial and viral infections; molecular mechanisms of immune reactions
(This special issue belongs to the Section Molecular Microbiology and Immunology)
The Infective Endocarditis (2nd Edition) submission deadline 31 Dec 2026 | 1 articles | Viewed by 904 | Submission Open
Keywords: infective endocarditis (IE); native valve endocarditis; TAVI endocarditis; prosthetic valve endocarditis; staphylococcal endocarditis; enterococcal endocarditis; molecular biology diagnosis; cardiac PET/CT diagnosis; vascular graft infections; LVAD infections; endocarditis in the elderly; endocarditis in PWID; oral antimicrobial treatment of IE; outpatient parenteral antibiotic therapy (OPAT) for IE; cardiac surgery of IE; cardiovascular infections; cardiac implantable electronic device (CIED)-IE; trial design of infective endocarditis; chronic antibiotic suppressive therapy for cardiovascular infections
(This special issue belongs to the Section Medical Microbiology)
State-of-the-Art Medical Microbiology in Italy (2025, 2026)
edited by
submission deadline 31 Dec 2026 | 1 articles | Viewed by 902 | Submission Open
Keywords: medical microbiology; pathogens; host-pathogen interaction; antimicrobial resistance; epidemiology; infectious diseases
(This special issue belongs to the Section Medical Microbiology)
Human Airway Microbiome and Immunity
edited by
submission deadline 31 Dec 2026 | 1 articles | Viewed by 887 | Submission Open
Keywords: respiratory microbiome; immune response; microbiome-host interaction; metagenomics; multi-omics; gut-lung axis; chronic respiratory diseases
(This special issue belongs to the Section Microbiomes)
Microbiota and Animal Diseases
edited by , and Wojciech Wójcik
submission deadline 31 Dec 2026 | 1 articles | Viewed by 796 | Submission Open
Keywords: animal microbiota; immune modulation; animal health; microbial therapeutics; microbiota transplantation; microbiome-based diagnostics; host–microbiome interactions
(This special issue belongs to the Section Veterinary Microbiology)
Microbial Ecology and Biogeochemical Functions in Sediment and Aquatic Environments submission deadline 31 Dec 2026 | 1 articles | Viewed by 746 | Submission Open
Keywords: microbial ecology; bacterial communities; organic pollutant transformation; sediment environments; aquatic environments; trace metals; biogeochemistry; community dynamics
(This special issue belongs to the Section Environmental Microbiology)
Antimicrobial Resistance in Italy: Current Situation and New Effective Solutions submission deadline 31 Dec 2026 | 1 articles | Viewed by 702 | Submission Open
Keywords: antimicrobial resistance; Italian MDR pathogens; new antimicrobial therapies
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Interactions Between Intestinal Microbiota and Host
edited by
submission deadline 31 Dec 2026 | 1 articles | Viewed by 594 | Submission Open
Keywords: host–microbiome interactions; dysbiosis; metagenomics; microbiome therapeutics; metabolites; multi-omics
(This special issue belongs to the Section Gut Microbiota)
Latest Review Papers in Gut Microbiota 2026
edited by
submission deadline 31 Dec 2026 | Viewed by 522 | Submission Open
Keywords: structure and function of the microbiota; microbial community genetics, transcriptomics, proteomics and metabolomics; interaction within the microbiota; metabolic interaction with the host; inflammatory diseases; interaction with the immune system; microbial biodegradation of nutrients and xenobiotics; microbial ecology; microbial functions in the different habitats within the gut; metabolic flux analysis; analysis of functionalities by stable isotope probing (DNA, RNA, and protein); model systems for studying microbiome biology; novel technologies for the analysis of structure and function of the microbiota
(This special issue belongs to the Section Gut Microbiota)
State-of-the-Art Gut Microbiota in Italy (2025, 2026)
edited by and Francesco Candeliere
submission deadline 31 Dec 2026 | Viewed by 473 | Submission Open
Keywords: metagenomics; genomics; gut microbiota; probiotics; microbial ecology; microbial biotechnology
(This special issue belongs to the Section Gut Microbiota)
Antimicrobial Properties of Nanoparticles, 2nd Edition submission deadline 31 Dec 2026 | Viewed by 420 | Submission Open
Keywords: nanoparticles; nanomaterials; antiviral; antimicrobial; drug delivery
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Development of Antiviral Agents: Natural and Synthetic Approaches in Drug Discovery submission deadline 31 Dec 2026 | Viewed by 411 | Submission Open
Keywords: antiviral drug discovery; medicinal chemistry; virology; molecular modelling; antiviral agents; natural products; small-molecule inhibitors; structure-based drug design; structure–activity relationship (SAR); biological evaluation
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Leptospira and Leptospirosis: Pathogenesis and Biology Research submission deadline 31 Dec 2026 | Viewed by 382 | Submission Open
Keywords: leptospirosis; zoonoses; virulence; pathogenesis; diagnosis; outer membrane vesicles (OMVs); treatment; signaling; structural biology; bioinformatics
(This special issue belongs to the Section Veterinary Microbiology)
Microbiome- and Macrobiome-Enhanced Weathering for Carbon Capture and Climate Mitigation
edited by
submission deadline 31 Dec 2026 | Viewed by 349 | Submission Open
Keywords: microbiome; carbon capture; climate mitigation; biogeochemical
(This special issue belongs to the Section Environmental Microbiology)
Combating Antimicrobial Resistance at the Interface of Food, the Environment and Innovative Materials submission deadline 31 Dec 2026 | Viewed by 331 | Submission Open
Keywords: antimicrobial resistance (AMR); One Health; food–environment interface; active packaging and coatings; bacteriocins and probiotics; essential oils and plant extracts; biofilm disruption; environmental surveillance; resistant bacteria in food and water; innovative materials
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Advances in Candida and Candidiasis
edited by
submission deadline 31 Dec 2026 | Viewed by 311 | Submission Open
Keywords: Candida; microorganism; Candidiasis; fungal diseases; dysbiosis; cancer; metabolic diseases; oral diseases; systemic diseases
(This special issue belongs to the Section Medical Microbiology)
Innovative Tools for Tailored Microbial Cell Factories
edited by Shuobo Shi
submission deadline 31 Dec 2026 | Viewed by 310 | Submission Open
Keywords: microbial cell factories; genome editing; synthetic biology; AI-driven optimization; metabolic engineering
(This special issue belongs to the Section Microbial Biotechnology)
Harnessing Phages: Discovery, Design, and Deployment
edited by Keith E. Shearwin and Nan Hao
submission deadline 31 Dec 2026 | Viewed by 309 | Submission Open
Keywords: bacteriophage ; phage biology ; phage therapy ; temperate phages ; phage engineering ; host–phage interactions ; biofilms ; antimicrobial resistance ; synthetic biology ; phage discovery
(This special issue belongs to the Section Microbial Biotechnology)
State-of-the-Art Medical Microbiology in Japan (2026–2027)
edited by
submission deadline 31 Dec 2026 | Viewed by 309 | Submission Open
Keywords: medical microbiology; clinical microbiology; microbial pathogenesis; host–pathogen interaction; infectious disease; antimicrobial resistance; bacterial infection; viral infection; fungal infection; parasitic infection
(This special issue belongs to the Section Medical Microbiology)
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