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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Microbiome in Fish and Their Living Environment, Second Edition
edited by and
submission deadline 31 May 2026 | Viewed by 80 | Submission Open
Keywords: fish species; gut microbiome; dietary modification; water environment; immunity
(This special issue belongs to the Section Veterinary Microbiology)
Mycolata (Corynebacteria, Rhodococci and Mycobacteria): Good Servants but Bad Masters submission deadline 31 May 2026 | Viewed by 77 | Submission Open
Keywords: Rhodococcus; Corynebacterium; Mycobacterium; biosynthesis; biodegradation; biotechnological applications; pathogen
(This special issue belongs to the Section Microbial Biotechnology)
Interactions Between Intestinal Microbiota and Host
edited by
submission deadline 31 May 2026 | Viewed by 77 | Submission Open
Keywords: host– microbiome interactions; dysbiosis; metagenomics; microbiome therapeutics; metabolites; multi-omics
(This special issue belongs to the Section Gut Microbiota)
Halophiles submission deadline 31 May 2026 | Viewed by 77 | Submission Open
Keywords: obligate halophiles; bacteria; archaea; taxonomy and biodiversity; biotechnology; genomics; metagenomics; physiology and metabolism; hypersaline habitats
(This special issue belongs to the Section Environmental Microbiology)
Advances in Airborne Microbial Communities
edited by Daisuke Tanaka and
submission deadline 31 May 2026 | Viewed by 75 | Submission Open
Keywords: microbial community; diversity; air; atmosphere; built environments; monitoring; bacteria; fungi; microorganisms; bioaerosols; health; metagenomics; bioinformatics; infectious diseases; allergies; indoor air quality
(This special issue belongs to the Section Environmental Microbiology)
Infections in Solid Organ Transplant Recipients: Epidemiology, Pathogenesis, and Clinical Management
edited by
submission deadline 31 May 2026 | Viewed by 74 | 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)
Bacterial Infections in Clinical Settings, 2nd Edition
edited by Viera Lovayová
submission deadline 31 May 2026 | Viewed by 71 | 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)
Antimicrobial Resistance in Italy: Current Situation and New Effective Solutions submission deadline 31 May 2026 | Viewed by 70 | Submission Open
Keywords: antimicrobial resistance; Italian MDR pathogens; new antimicrobial therapies
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Advancing Microbial Biotechnology submission deadline 31 May 2026 | Viewed by 69 | Submission Open
Keywords: bioproducts; microbial metabolism; bioeconomy; waste and by-product valorisation; bioprocesses; life cycle assessment; recycling; metabolic modeling
(This special issue belongs to the Section Microbial Biotechnology)
Bacterial Infection and Antimicrobial Resistance submission deadline 31 May 2026 | Viewed by 68 | Submission Open
Keywords: bacterial infections; Staphylococcus; Streptococcus; Escherichia coli; Klebsiella pneumoniae; Pseudomonas aeruginosa; antimicrobial resistance; mutations
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Probiotics and Gut Microbiome Dynamics in Health and Disease submission deadline 31 May 2026 | Viewed by 67 | 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)
Advancements and Perspectives in Molecular Detection and Analysis of Leptospira spp. in Animals
edited by Nenad Turk
submission deadline 31 May 2026 | Viewed by 66 | Submission Open
Keywords: Leptospira spp.; leptospirosis; molecular detection; molecular analysis; PCR; real-time PCR; LAMP; NGS; One Health
(This special issue belongs to the Section Veterinary Microbiology)
Interactions Between Gut Microbiota and Its Host in Health and Disease
edited by
submission deadline 31 May 2026 | Viewed by 61 | Submission Open
Keywords: gut-host crosstalk; microbiota dysbiosis; immune regulation; metabolic symbiosis; disease pathogenesis
(This special issue belongs to the Section Gut Microbiota)
Insect–Plant–Microbe Interactions and Sustainable Agriculture submission deadline 31 May 2026 | Viewed by 59 | Submission Open
Keywords: insect– plant– microbe interactions; biological control; sustainable agriculture; plant health and defence; microbial biocontrol agents
(This special issue belongs to the Section Plant Microbe Interactions)
Arboviral and Emerging Infectious Diseases in the Tropics: Challenges in Molecular Evolution, Pathogenesis, and Surveillance
edited by Marcos Lázaro Moreli
submission deadline 31 May 2026 | Viewed by 58 | Submission Open
Keywords: arboviruses; emerging pathogens; tropical diseases; molecular epidemiology; One Health; genomic surveillance; climate change
(This special issue belongs to the Section Public Health Microbiology)
Advances in Research on Cyanobacteria and Cyanotoxins
edited by
submission deadline 31 May 2026 | Viewed by 53 | Submission Open
Keywords: cyanobacteria; cyanotoxins; water safety
(This special issue belongs to the Section Environmental Microbiology)
Immune Response to Pathogen Infection
edited by and Antonio Sampedro
submission deadline 31 May 2026 | Viewed by 52 | Submission Open
Keywords: immunogenetics; pathogen infection; cytokine profiles; T and B lymphocytes; genetic polymorphisms; host– microbiome interactions; vaccine response; immune regulation; adaptive immunity; innate immunity
(This special issue belongs to the Section Molecular Microbiology and Immunology)
Bacterial Degradation of Pollutants: Can We Still Save Nature
edited by
submission deadline 31 May 2026 | Viewed by 52 | Submission Open
Keywords: bacterial degradation; pollution; bacteria-mediated biodegradation; bioremediation; biotransformation; toxic compounds
(This special issue belongs to the Section Microbial Biotechnology)
Life Course Microbiomics: How Early Microbial, Nutritional, and Psychosocial Environments Shape Mental and Cognitive Development submission deadline 31 May 2026 | Viewed by 50 | Submission Open
Keywords: maternal– infant microbiome; gut– brain axis; microbiome– metabolome– neurodevelopment interactions life course
(This special issue belongs to the Section Microbiomes)
Role of the Gut Microbiota in Children’s Health
edited by Maurizio Mennini
submission deadline 31 May 2026 | Viewed by 48 | Submission Open
Keywords: microbiota; pediatrics; probiotics; prebiotics; postbiotics; human milk oligosaccharides; fecal microbiota transplantation; gut health; nutrition; immune development
(This special issue belongs to the Section Gut Microbiota)
Fungal and Oomycete Diseases of Oil Palm submission deadline 31 May 2026 | Viewed by 46 | Submission Open
Keywords: Elaeis guineensis  ; Ganoderma  ; Phytophthora; Fusarium  ; Malaysia; Colombia
(This special issue belongs to the Section Plant Microbe Interactions)
Non-Fungal Plant Pathogens: Diversity, Ecology, and Control Strategies
edited by
submission deadline 31 May 2026 | Viewed by 46 | Submission Open
Keywords: plant diseases; non-fungal pathogens; oomycetes; phytoplasmas; plant bacteria; plant viruses; nematodes; host–pathogen interaction; plant microbiome; disease diagnostics; biological control; plant immunity; integrated pest management
(This special issue belongs to the Section Plant Microbe Interactions)
Global Perspectives and Contributions to the Understanding of Human Papillomavirus and Associated Diseases
edited by
submission deadline 1 Jun 2026 | Viewed by 223 | Submission Open
Keywords: human papillomavirus (HPV); genotypes; infection; HPV-related cancers; HPV vaccines; epidemiology; prevention
(This special issue belongs to the Section Medical Microbiology)
The Diagnosis, Treatment, Prevention, and Epidemiology of Infectious Diseases in Livestock: A One Health Approach submission deadline 2 Jun 2026 | Viewed by 252 | Submission Open
Keywords: infectious agents; pathogenesis; molecular diagnostics; proteomics; antimicrobial resistance; epidemiological surveillance; vaccines; therapeutic strategies; zoonoses
(This special issue belongs to the Section Veterinary Microbiology)
Gut Microbiota in Health and Diseases: The Role of Pro-/Pre-/Syn-/Post-Biotics in the Gut–Liver–Brain Axis
edited by Mohamad Khalil and
submission deadline 15 Jun 2026 | 3 articles | Viewed by 20255 | Submission Open
Keywords: gut microbiome; gut– liver– brain axis; gastrointestinal tract; digestion; metabolism; immune function
(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 15 Jun 2026 | Viewed by 120 | Submission Open
Keywords: antimicrobial resistance; nanotherapeutic; nanovaccine; nanomedicine; pathogen; multidrug resistance
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Development of Antiviral Agents: Natural and Synthetic Approaches in Drug Discovery submission deadline 15 Jun 2026 | Viewed by 61 | 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)
Recent Advances in Clostridioides difficile Infection submission deadline 30 Jun 2026 | 2 articles | Viewed by 14484 | Submission Open
Keywords: Clostridioides difficile infection; healthcare-associated infection; CDI treatment; virulence factors; pathogenesis; host interactions; antibiotic resistance
(This special issue belongs to the Section Medical Microbiology)
Advances in Plant–Soil–Microbe Interactions submission deadline 30 Jun 2026 | 6 articles | Viewed by 8809 | Submission Open
Keywords: plant– soil– microbe interactions; rhizosphere microbiome; sustainable agriculture; environmental stressors; microbial inoculants
(This special issue belongs to the Section Plant Microbe Interactions)
Feature Papers in Plant–Microbe Interactions in North America submission deadline 30 Jun 2026 | 4 articles | Viewed by 7104 | Submission Open
Keywords: plant– microbe interaction; plant-associated microbes; biotic and abiotic stresses; agricultural sustainability
(This special issue belongs to the Section Plant Microbe Interactions)
Microbial Bioprocesses
edited by Walter José Martínez-Burgos
submission deadline 30 Jun 2026 | 4 articles | Viewed by 6628 | Submission Open
Keywords: microbial biotechnology; fermentation; biopharmaceuticals; biofuels; biopolymers; bioremediation; bioconversion; metabolic engineering; industrial microorganisms; sustainable production; bioeconomy; bioprocess optimization; emerging technologies; sustainability
(This special issue belongs to the Section Microbial Biotechnology)
Soil Health and Plant Microbiome–Bioeffectors Relationship in Sustainable Agriculture, 2nd Edition submission deadline 30 Jun 2026 | 3 articles | Viewed by 6540 | Submission Open
Keywords: plant-associated microbiome; plant– microbiome bioeffectors; microbial diversity; soil health; sustainable agriculture; circular bioeconomy
(This special issue belongs to the Section Plant Microbe Interactions)
Novel Nanomaterials with Antimicrobial Activity
edited by
submission deadline 30 Jun 2026 | 2 articles | Viewed by 5516 | Submission Open
Keywords: nanoparticles; nanostructured materials; wound healing; biofilms; antimicrobial; intracellular pathogens
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Research on Leishmania and Leishmaniasis: Second Edition submission deadline 30 Jun 2026 | 2 articles | Viewed by 5173 | Submission Open
Keywords: leishmania; leishmaniasis; drug treatment; vaccine; host-parasite interaction
(This special issue belongs to the Section Medical Microbiology)
Viral Infection on Swine: Pathogenesis, Diagnosis and Control
edited by Liwei Li
submission deadline 30 Jun 2026 | 4 articles | Viewed by 5125 | Submission Open
Keywords: swine virus infection; variability; virulence; monoclonal antibody; diagnosis; surveillance; epidemiology; therapy; vaccine
(This special issue belongs to the Section Veterinary Microbiology)
Phytoplasmas and Phytoplasma Diseases submission deadline 30 Jun 2026 | 3 articles | Viewed by 4963 | Submission Open
Keywords: yellows and decline diseases; ‘ Candidatus Phytoplasma’ species; 16Sr group/subgroups; Phytoplasma taxonomy; symptomatology; epidemiology; fruit trees; forest trees; shrubs; herbaceous crops; flower crops; weeds
(This special issue belongs to the Section Plant Microbe Interactions)
Harnessing Microbes for Crop Protection and Fertilization
edited by
submission deadline 30 Jun 2026 | 2 articles | Viewed by 4406 | Submission Open
Keywords: microbial biocontrol; plant– microbe interactions; biofertilizers; sustainable agriculture; soil microbiome; entomopathogenic fungi; plant growth-promoting rhizobacteria (PGPR); nitrogen fixation; mycorrhizal fungi; biopesticides; microbial formulations; eco-friendly pest management; microbial secondary metabolites; soil fertility enhancement; climate-resilient farming; microbial inoculants; biological pest control; sustainable fertilization; microbial diversity; crop protection
(This special issue belongs to the Section Microbial Biotechnology)
Effects of Diet and Nutrition on Gut Microbiota
edited by Heng Yuan and
submission deadline 30 Jun 2026 | 3 articles | Viewed by 4262 | Submission Open
Keywords: gut microbiota; nutrition; MASLD; functional food; hypertension; metabolism
(This special issue belongs to the Section Gut Microbiota)
Plant-Microbe Interactome: The Green Dialogue Within the Plant Holobiont submission deadline 30 Jun 2026 | 4 articles | Viewed by 3857 | Submission Open
Keywords: soil microbiome; plant holobiont; one health; sustainable agriculture
(This special issue belongs to the Section Plant Microbe Interactions)
Oral Bacteria, Viruses, and Fungi: Oral Health, Disease, and Systemic Links
edited by , and Nicoletta Capuano
submission deadline 30 Jun 2026 | 4 articles | Viewed by 3783 | Submission Open
Keywords: oral microbiota; host– microbe interactions; antimicrobial resistance; therapeutic approaches; probiotics
(This special issue belongs to the Section Medical Microbiology)
Exploring the Diversity of Microbial Applications submission deadline 30 Jun 2026 | 2 articles | Viewed by 3565 | Submission Open
Keywords: microbial biotechnology; microbiome; environmental microbiology; microbial applications; bioremediation; industrial microbiology; microbial metabolism
(This special issue belongs to the Section Microbial Biotechnology)
The Epidemiology, Clinical Aspects, Treatment and Preventive Strategies for Infectious Diseases in the Era of Antimicrobial Resistance (AMR)
edited by Victoria Birlutiu
submission deadline 30 Jun 2026 | 1 articles | Viewed by 3135 | 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)
Resource Utilization of Microorganisms: Fermentation and Biosynthesis
edited by Shoushuai Feng
submission deadline 30 Jun 2026 | 3 articles | Viewed by 2526 | Submission Open
Keywords: industrial microorganisms resources; microbial physiological traits; fermentation optimization; synthetic biology; sustainability application
(This special issue belongs to the Section Microbial Biotechnology)
Microbiome Research for Animal, Plant and Environmental Health: Second Edition
edited by and
submission deadline 30 Jun 2026 | 2 articles | Viewed by 2435 | Submission Open
Keywords: environmental microbiome; soil microbiome; rhizobiome; host– microbe interactions; microbiome manipulation; sustainable agriculture
(This special issue belongs to the Section Microbiomes)
Laboratory Diagnosis and Epidemiology of Clinical Microbial Infections
edited by
submission deadline 30 Jun 2026 | 2 articles | Viewed by 2212 | Submission Open
Keywords: infectious disease; laboratory diagnosis; epidemiology
(This special issue belongs to the Section Medical Microbiology)
Evolution and Spread of Drug-Resistant Pathogens submission deadline 30 Jun 2026 | 2 articles | Viewed by 2039 | 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)
The Host Response to Animal Virus Infection
edited by Liwei Li
submission deadline 30 Jun 2026 | 2 articles | Viewed by 1881 | Submission Open
Keywords: respiratory virus; coronavirus; emerging pathogens in animals; host immune response; innate immunity; neutralizing antibody; non-coding RNA; viral infection; antiviral agents; antiviral strategy
(This special issue belongs to the Section Veterinary Microbiology)
Research on Airborne Microbial Communities
edited by
submission deadline 30 Jun 2026 | 2 articles | Viewed by 1841 | Submission Open
Keywords: atmospheric microorganisms; bioaerosol; microbial community; air pollutant; climate change
(This special issue belongs to the Section Environmental Microbiology)
Diversity and Applications of Yeasts: Food, Plant and Human Health submission deadline 30 Jun 2026 | 2 articles | Viewed by 1745 | Submission Open
Keywords: yeasts; taxonomy; diversity; yeast communities; environment; biocontrol; pathogenicity; interactions; adaptation; cultivation techniques; multi-omics approach
HIV Infections: Diagnosis and Drug Uses submission deadline 30 Jun 2026 | 1 articles | Viewed by 1512 | 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)
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