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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Emerging and Re-Emerging Infections in the Immunocompromised Host
edited by
submission deadline 30 Nov 2025 | Viewed by 32 | Submission Open
Keywords: opportunistic infections; immunocompromised host; solid organ transplant; HIV; AIDS; oncohematologic malignancies
(This special issue belongs to the Section Medical Microbiology)
Gut Microbiota, Diet, and Gastrointestinal Cancer, 2nd Edition
edited by Flavio De Maio and
submission deadline 30 Nov 2025 | Viewed by 23 | Submission Open
Keywords: gut microbiota; diet; nutrition; gastrointestinal cancer; colorectal cancer; probiotics; prebiotics; postbiotics; radiotherapy; chemotherapy
(This special issue belongs to the Section Gut Microbiota)
Probiotics: The Current State of Scientific Knowledge (2nd Edition)
edited by
submission deadline 30 Nov 2025 | Viewed by 14 | Submission Open
Keywords: microbiota modification; microbiological techniques for identifying microorganisms; probiotics in therapy; probiotics and antibiotic resistance
(This special issue belongs to the Section Gut Microbiota)
Beneficial Microorganisms for Sustainable Agriculture submission deadline 30 Nov 2025 | Viewed by 14 | Submission Open
Keywords: abiotic stress; biotic stress; biocontrol; biofertilizer; plant– microbe interaction
(This special issue belongs to the Section Plant Microbe Interactions)
Marine Microbial Systems: From Molecular Mechanisms to Biotechnological Innovations
edited by and
submission deadline 30 Nov 2025 | Viewed by 12 | Submission Open
Keywords: marine microorganisms; functional enzymes; bioactive secondary metabolites; bio-manufacturing; bio-pharmaceutical; bio-agriculture; environmental governance
(This special issue belongs to the Section Molecular Microbiology and Immunology)
Mycobacterial Research
edited by
submission deadline 30 Nov 2025 | Viewed by 2 | Submission Open
Keywords: mycobacterial biology; immune response; antimicrobial resistance; co-infections; microbiome interactions; therapeutic innovations
(This special issue belongs to the Section Molecular Microbiology and Immunology)
Emerging Pathogen Infections and Host Immune
edited by
submission deadline 30 Nov 2025 | Submission Open
Keywords: emerging pathogens; pathogen-associated molecular patterns; virulence factors; innate immunity; cellular response; humoral response; immunocompromised host
(This special issue belongs to the Section Molecular Microbiology and Immunology)
Microbial Safety and Molecular Detection in Food Production and Processing
edited by
submission deadline 15 Dec 2025 | Viewed by 162 | Submission Open
Keywords: microbiological quality of foods; pathogens and opportunistic foodborne pathogens; molecular epidemiology of foodborne illness; molecular characterization of foodborne pathogens; biofilm; sanitizers; and control of pathogens in food production plants; virulence factors; antibiotic resistance
(This special issue belongs to the Section Food Microbiology)
Shiga-Toxin Producing Escherichia coli and the Animal Host
edited by
submission deadline 31 Dec 2025 | 4 articles | Viewed by 10932 | Submission Open
Keywords: E. coli; STEC; animal-host; interaction; colonization; pathogenicity; diagnosis; prevention; therapy; alternatives
(This special issue belongs to the Section Medical Microbiology)
Antimicrobial Resistance (AMR) Diagnostics and Genomic/Molecular Epidemiology of Multidrug-Resistant Isolates
edited by
submission deadline 31 Dec 2025 | 2 articles | Viewed by 2494 | Submission Open
Keywords: enterobacterales; antibiotic resistance; ß -lactamases; carbapenemases; multidrug-resistant isolates; epidemiology
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
State-of-the-Art Environmental Microbiology in China 2025
edited by
submission deadline 31 Dec 2025 | 2 articles | Viewed by 2207 | 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; and others; microbial pollution: pathogenic microorganisms in the environment (water/soil/air/food); microbial metabolism; environmental pollution (e.g.; microbial toxin); and others; microbiological monitoring: testing method and monitoring technique development
(This special issue belongs to the Section Environmental Microbiology)
Feature Paper in Food Microbiology
edited by , and Francesca Coppola
submission deadline 31 Dec 2025 | 2 articles | Viewed by 1166 | Submission Open
Keywords: new products; functional food; starter cultures and bioprotection; metagenomics and metabolomics; new identification methods; food waste recycling; novel pre-pro-syn-postbiotic applications; foodborne pathogens; innovations in traditional and new fermented foods; microorganisms in food ecosystems
(This special issue belongs to the Section Food Microbiology)
Accelerated Topics in Public Health Microbiology and Microbial Food Safety
edited by
submission deadline 31 Dec 2025 | 2 articles | Viewed by 1122 | Submission Open
Keywords: public health microbiology; microbial food safety; water safety; infectious disease; climate change
(This special issue belongs to the Section Public Health Microbiology)
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 502 | 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 390 | Submission Open
Keywords: diet; nutrients; microbiota; human health
(This special issue belongs to the Section Food Microbiology)
Rare Human Pathogens
edited by Percy Schröttner
submission deadline 31 Dec 2025 | Viewed by 221 | Submission Open
Keywords: rare; pathogen; diseases; pathogenic bacteria
(This special issue belongs to the Section Medical Microbiology)
Plant-Microbe Interactome: The Green Dialogue Within the Plant Holobiont submission deadline 31 Dec 2025 | Viewed by 201 | Submission Open
Keywords: soil microbiome; plant holobiont; one health; sustainable agriculture
(This special issue belongs to the Section Plant Microbe Interactions)
Microbiota and Microbiomes in Plants, Animals and Environment: A One Heath Perspective—Second Edition
edited by Moussa Diarra and
submission deadline 31 Dec 2025 | 1 articles | Viewed by 195 | Submission Open
Keywords: microbiota/microbiome; antimicrobial; disease and health; environment; climate; One Health approach
The Host Response to Animal Virus Infection
edited by Liwei Li
submission deadline 31 Dec 2025 | Viewed by 137 | 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)
New Trends in Medical Bacteriology: Diagnosis, Treatment and Prevention—Second Edition
edited by and Ma. Guadalupe Aguilera-Arreola
submission deadline 31 Dec 2025 | Viewed by 111 | Submission Open
Keywords: medical bacteria; diagnosis; treatment; prevention
(This special issue belongs to the Section Medical Microbiology)
Host–Microbiome Cross-Talk in Cancer Development and Progression
edited by Subhadeep Das
submission deadline 31 Dec 2025 | Viewed by 97 | Submission Open
Keywords: dietary factors; epigenetic responses; bioinformatic and deep learning techniques; therapy; tumor microenvironment; microbiome-targeted therapies
(This special issue belongs to the Section Microbiomes)
Plant Microbiome: Pioneering Microbiome-Driven Strategies for Climate-Resilient Agriculture submission deadline 31 Dec 2025 | Viewed by 95 | Submission Open
Keywords: plant– microbe interactions; climate change mitigation; carbon sequestration; soil health; greenhouse gas reduction; microbial inoculants; sustainable agriculture
(This special issue belongs to the Section Plant Microbe Interactions)
Diagnosis, Treatment, and Prevention of Biofilm Infections—How to Proceed?
edited by Niels Høiby and Claus Moser
submission deadline 31 Dec 2025 | Viewed by 85 | Submission Open
Keywords: biofilm; biofilm infections; chronic infections; foreign body infections; implant infections
(This special issue belongs to the Section Biofilm)
Microbiome Innovations in Food Systems for a Green Future submission deadline 31 Dec 2025 | Viewed by 65 | 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)
Beneficial Microbes: Food, Mood and Beyond—Third Edition submission deadline 31 Dec 2025 | Viewed by 63 | Submission Open
Keywords: prebiotics; probiotics; postbiotics; parabiotics; psycho-biotics; food; mood; benefactions; safety; antibiotics; neurotransmitters; humans; animals
(This special issue belongs to the Section Food Microbiology)
Microbiome- and Host-Mediated Effects of Prebiotics in Foods and Feeds
edited by and Adam Lee
submission deadline 31 Dec 2025 | Viewed by 41 | Submission Open
Keywords: prebiotics; gut microbiota; gut health; gut architecture; gut immunomodulation; beneficial microbes; oligosaccharides; microbiome manipulation
(This special issue belongs to the Section Food Microbiology)
Probiotic and Postbiotic Properties of Lactobacillus, 2nd Edition
edited by
submission deadline 31 Dec 2025 | Viewed by 39 | Submission Open
Keywords: Lactobacillus; probiotics; postbiotics; novel probiotic properties; next-generation probiotics
(This special issue belongs to the Section Food Microbiology)
Bloodstream Infection: Common and Uncommon Pathogens
edited by Carola Mauri
submission deadline 31 Dec 2025 | Viewed by 31 | Submission Open
Keywords: bloodstream infection (BSI); pathogens; antibiotic resistance; new drugs
(This special issue belongs to the Section Medical Microbiology)
Chemolithoautotrophic Microorganisms—Pioneers of Biospheric Evolution and Sustainable Biotechnology
edited by Lijing Jiang
submission deadline 31 Dec 2025 | Viewed by 23 | 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)
Research on Airborne Microbial Communities
edited by
submission deadline 31 Dec 2025 | Viewed by 18 | Submission Open
Keywords: atmospheric microorganisms; bioaerosol; microbial community; air pollutant; climate change
(This special issue belongs to the Section Environmental Microbiology)
Unraveling the Mysteries of Gut Microbiota to Advance Sustainable Aquaculture
edited by Qunlan Zhou
submission deadline 31 Dec 2025 | Viewed by 15 | Submission Open
Keywords: gut microbiota; functional probiotics; immunity; nutrition; multi-omics
(This special issue belongs to the Section Gut Microbiota)
Microbe-Plant-Environment Interactions over Time
edited by
submission deadline 31 Dec 2025 | Viewed by 3 | Submission Open
Keywords: microbe– plant– environment interaction; crops; plant pathogen
(This special issue belongs to the Section Plant Microbe Interactions)
Gut Microbiome in Homeostasis and Disease, 3rd Edition
edited by
submission deadline 15 Jan 2026 | Viewed by 13 | 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)
Artificial Intelligence as a Tool for Combating Antimicrobial Resistance submission deadline 31 Jan 2026 | Viewed by 54 | Submission Open
Keywords: AI; AMR; drug discovery; datasets; antibiotics
(This special issue belongs to the Section Microbial Biotechnology)
Advances in Microbial Biotechnological Approaches for Carbohydrate Biosynthesis
edited by Haining Tan, Yuhui Wang and
submission deadline 31 Jan 2026 | Viewed by 14 | Submission Open
Keywords: microbial carbohydrate biosynthesis; glycoengineering; synthetic biology; enzyme engineering; glycoconjugate vaccines
(This special issue belongs to the Section Microbial Biotechnology)
Fungal Biology and Interactions—3rd Edition submission deadline 31 Jan 2026 | Viewed by 3 | Submission Open
Keywords: fungi; molecular biology; filamentous fungi
(This special issue belongs to the Section Molecular Microbiology and Immunology)
Salmonella Infections: Trends and Updates
edited by
submission deadline 28 Feb 2026 | 5 articles | Viewed by 6732 | Submission Open
Keywords: salmonellosis; epidemiology and surveillance; molecular biology and pathogenesis; antimicrobial resistance; one-health perspectives; prevention and control strategies
(This special issue belongs to the Section Public Health Microbiology)
Probiotics, Prebiotics, and Synbiotics in Animal Nutrition and Health, and Food Safety
edited by María Esther Ortega-Cerrilla
submission deadline 28 Feb 2026 | 4 articles | Viewed by 6567 | Submission Open
Keywords: probiotics; prebiotics; synbiotics; animals; food safety
(This special issue belongs to the Section Food Microbiology)
Human Respiratory Syncytial Virus—Biology, Diagnosis and Prevention
edited by
submission deadline 28 Feb 2026 | 3 articles | Viewed by 5861 | Submission Open
Keywords: human respiratory syncytial virus; medical microbiology; molecular biology; virus diagnosis; infection prevention
(This special issue belongs to the Section Public Health Microbiology)
Rhizosphere Bacteria and Fungi That Promote Plant Growth submission deadline 28 Feb 2026 | 5 articles | Viewed by 5471 | Submission Open
Keywords: rhizosphere; fungi; bacteria; symbionts; microbial interactions; plant growth promotion
(This special issue belongs to the Section Plant Microbe Interactions)
Natural and Urban Forest Viromes and the Tree-Associated Microbiome: Composition, Properties, and Interactions
edited by and Artemis Rumbou
submission deadline 28 Feb 2026 | 1 articles | Viewed by 743 | Submission Open
Keywords: virome; plant pathogenic virus; mycovirus; biocontrol agent; microbiota
(This special issue belongs to the Section Plant Microbe Interactions)
Women’s Special Issue Series: Microorganisms submission deadline 8 Mar 2026 | Viewed by 78 | Submission Open
Keywords: women; microorganisms; microbiology
Host–Virus Co-Evolution in Aquatic Species: Insights into Disease Dynamics
edited by and
submission deadline 31 Mar 2026 | Viewed by 40 | Submission Open
Keywords: host– virus interactions; co-evolution; aquatic disease dynamics; immune response; viral pathogenesis
(This special issue belongs to the Section Virology)
Pseudomonas Biology and Biodiversity
edited by
submission deadline 30 Apr 2026 | 1 articles | Viewed by 513 | Submission Open
Keywords: Pseudomonas; biodiversity; omic technologies; community structure; phylogenomics; metagenomics; biotechnological applications
(This special issue belongs to the Section Plant Microbe Interactions)
Bacterial Pathogenesis and Host Immune Responses
edited by Zhihui Cheng
submission deadline 31 May 2026 | 1 articles | Viewed by 1937 | Submission Open
Keywords: host– pathogen interactions; pathogenic bacteria; pathogenesis; bacterial infections; disease mechanisms; host immune responses; inflammatory responses  ; vaccine development; antimicrobial resistance; therapeutic strategies
(This special issue belongs to the Section Molecular Microbiology and Immunology)
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