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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Molecular Mechanisms of Algal and Microbial Adaptation to Extreme Temperature Conditions
edited by and
submission deadline 30 Jun 2026 | Viewed by 289 | Submission Open
Keywords: algae; molecular mechanisms; genomic; adaptation; plasticity; extremophiles; thermophilic; psychrophilic; temperature effects; global warming
(This special issue belongs to the Section Environmental Microbiology)
Microbial Nutrient Cycling Mechanisms
edited by
submission deadline 30 Jun 2026 | Viewed by 273 | 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 Fundamentals and Application of Microbial Industrial Biotechnology
edited by and
submission deadline 30 Jun 2026 | Viewed by 213 | Submission Open
Keywords: microbial industrial biotechnology; industrial microbiology; applied microbiology
(This special issue belongs to the Section Microbial Biotechnology)
State-of-the-Art Medical Microbiology in the USA
edited by Maria E. Aguero-Rosenfeld
submission deadline 30 Jun 2026 | Viewed by 158 | Submission Open
Keywords: medical microbiology; medical fungi; medical bacterial
(This special issue belongs to the Section Medical Microbiology)
Exploration of Marine Microbial Resources
edited by
submission deadline 30 Jun 2026 | Viewed by 156 | Submission Open
Keywords: marine microorganisms; natural products; biosynthetic mechanism; genome mining; synthetic biology; microbial biotechnology
(This special issue belongs to the Section Microbial Biotechnology)
Ecology and Genetics of Medically Important Fungi submission deadline 30 Jun 2026 | Viewed by 131 | 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)
Emerging Technologies for Pathogen Detection in Agriculture, Medicine, and Food Safety submission deadline 30 Jun 2026 | Viewed by 98 | Submission Open
Keywords: pathogen detection; biosensors; microfluidics; molecular diagnostics; antimicrobial resistance; point-of-care testing; food safety; artificial Intelligence
Current Insight into the Evolving Landscape of Respiratory Infections in a Post-Pandemic Era submission deadline 30 Jun 2026 | Viewed by 97 | 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)
One Health Approaches to Combat Antimicrobial Resistance in Veterinary submission deadline 30 Jun 2026 | Viewed by 91 | Submission Open
Keywords: antimicrobial resistance (AMR); one health approach; veterinary epidemiology; zoonotic pathogens; antimicrobial stewardship
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Secondary Metabolism of Microorganisms, 4th Edition submission deadline 30 Jun 2026 | Viewed by 88 | Submission Open
Keywords: microbial secondary metabolites; the regulation of secondary metabolism; communication between microbial communities
(This special issue belongs to the Section Microbial Biotechnology)
State-of-the-Art Gut Microbiota in the USA (2026) submission deadline 30 Jun 2026 | Viewed by 87 | 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)
The Oral Microbiome in Health and Disease: A Focus on Periodontics, Implants, and Endodontics
edited by , Giuseppina De Benedetto and Flora Salzano
submission deadline 30 Jun 2026 | Viewed by 84 | Submission Open
Keywords: periodontal microbiota; oral microbiota; antibiotic
(This special issue belongs to the Section Medical Microbiology)
Bacterial Genetics and Antibiotic Resistances submission deadline 30 Jun 2026 | Viewed by 84 | Submission Open
Keywords: bacterial genetics and epigenetics; gene function and gene regulation; antibiotic resistance genes; efflux pumps; novel drug-targets; multidrug-resistant strains                
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Poultry Pathogens and Poultry Diseases, 3rd Edition submission deadline 30 Jun 2026 | Viewed by 81 | Submission Open
Keywords: poultry pathogens; poultry diseases; avian viruses and diseases
(This special issue belongs to the Section Veterinary Microbiology)
Detection and Analysis of Clinical Microbial Infections, Third Edition
edited by
submission deadline 30 Jun 2026 | Viewed by 74 | 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)
Surveillance of Pathogens in Wastewater
edited by Maria Clementina Caputo, and
submission deadline 30 Jun 2026 | Viewed by 73 | Submission Open
Keywords: water pollution; emerging pathogens; wastewater; antibiotic resistant bacteria (ARBs); antibiotic-resistant genes (ARGs); public health; porous media; climate change
(This special issue belongs to the Section Environmental Microbiology)
State-of-the-Art Antimicrobial Agents and Resistance in Japan (2025, 2026)
edited by
submission deadline 30 Jun 2026 | Viewed by 70 | Submission Open
Keywords: antimicrobial resistance; antimicrobial agents; drug discovery; stewardship; epidemiology; multidrug-resistant bacteria; infection control; surveillance; mechanism of action
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Phloem Localized Insect Transmitted Bacteria Associated with Plant Diseases (2nd Edition)
edited by
submission deadline 30 Jun 2026 | Viewed by 64 | 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)
African Swine Fever Virus: Virulence-Associated Genes and the Pathogenesis and Immunoevasion Mechanisms
edited by and
submission deadline 30 Jun 2026 | Viewed by 62 | Submission Open
Keywords: African swine fever virus (ASFV); virulence determinants; immunoevasion mechanisms; host– pathogen interactions; multigene families (MGFS)
(This special issue belongs to the Section Veterinary Microbiology)
Treatments Against Microorganisms of the Oral Cavity
edited by
submission deadline 30 Jun 2026 | Viewed by 51 | Submission Open
Keywords: oral microbiota; biofilms; antimicrobial therapy; dental caries; periodontal disease; candidiasis; osteonecrosis
(This special issue belongs to the Section Medical Microbiology)
Bats and Their Microbial Diversity submission deadline 30 Jun 2026 | Viewed by 49 | 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)
Pathogens of the Respiratory Tract Infections submission deadline 30 Jun 2026 | Viewed by 47 | Submission Open
Keywords: respiratory tract infections; pathomechanisms; viruses; bacteria; pathogenic fungi; pneumonia; vaccines
(This special issue belongs to the Section Medical Microbiology)
State-of-the-Art Medical Microbiology in Italy (2025, 2026)
edited by
submission deadline 30 Jun 2026 | Viewed by 45 | Submission Open
Keywords: medical microbiology; pathogens; host-pathogen interaction; antimicrobial resistance; epidemiology; infectious diseases
(This special issue belongs to the Section Medical Microbiology)
Research on Antimicrobial Activity of Natural Products, Third Edition submission deadline 30 Jun 2026 | Viewed by 42 | Submission Open
Keywords: antimicrobial activity; bacteria; cyanobacteria; fungi; antibiotic resistance; natural compounds
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Microbial Communities Responding to Emerging Contaminants in Wastewater Treatment
edited by Yiqi Cao, Jiajie Xu and
submission deadline 30 Jun 2026 | Viewed by 42 | Submission Open
Keywords: biological wastewater treatment; emerging contaminants; environmental conditions; microbial community; community stability; resource recovery; sustainable development
(This special issue belongs to the Section Environmental Microbiology)
Klebsiella pneumoniae: Resistance, Virulence, and Epidemiology in Healthcare and Community Settings
edited by
submission deadline 30 Jun 2026 | Viewed by 38 | Submission Open
Keywords: Klebsiella pneumoniae; hypervirulent CRKP (hv-CRKP); carbapenemase-producing Klebsiella pneumoniae (CRKP); community-acquired infections; immune evasion; biofilm formation; global dissemination
(This special issue belongs to the Section Medical Microbiology)
Probiotics and Postbiotics: Advances in Functional Foods and Health Applications submission deadline 30 Jun 2026 | Viewed by 33 | Submission Open
Keywords: probiotics; postbiotics; functional foods; microbiota; health applications
(This special issue belongs to the Section Microbial Biotechnology)
The Diversity of Microorganisms from Extreme Marine Environments submission deadline 30 Jun 2026 | Viewed by 30 | Submission Open
Keywords: marine hydrothermal environments; microbial community; taxonomic diversity; functional diversity; microorganism interactions
(This special issue belongs to the Section Environmental Microbiology)
The Molecular Epidemiology of Infectious Diseases, 2nd Edition
edited by Jonathan Hon-kwan Chen
submission deadline 30 Jun 2026 | Viewed by 29 | Submission Open
Keywords: molecular epidemiology; infectious diseases; outbreak investigations; transmission; genotyping; disease control
(This special issue belongs to the Section Public Health Microbiology)
State-of-the-Art Veterinary Microbiology in Italy (2026)
edited by
submission deadline 30 Jun 2026 | Viewed by 28 | Submission Open
Keywords: poultry diseases; pig diseases; cattle diseases; sheep and goat diseases; companion animals; laboratory animal diseases; AMR in animals; One Health; zoonotic infectious disease; animal models of infectious diseases; veterinary epidemiology; microbial virulence; pathology; animal microbiome; diagnosis and surveillance; immune response to infection in animals; vaccination; novel approaches to infection control; probiotics and prebiotics; exotic disease and diseases in zoological gardens
(This special issue belongs to the Section Veterinary Microbiology)
Foodborne Pathogens in Complex Food Systems: Ecology, Surface Interactions, and Sustainable Control Strategies submission deadline 30 Jun 2026 | Viewed by 27 | Submission Open
Keywords: foodborne pathogens; microbial ecology; predictive models; packaging– pathogen interactions; plastics; metals; food-contact surfaces; ozone; ohmic heating; sustainable interventions; biofilms; food safety monitoring
(This special issue belongs to the Section Food Microbiology)
Pathogenic Bacteria: Isolation, Virulence, and Antimicrobial Resistance submission deadline 30 Jun 2026 | Viewed by 26 | Submission Open
Keywords: mobile elements; pathogens; resistance genes; virulence; biofilm; toxins; carbapenemases
(This special issue belongs to the Section Medical Microbiology)
Recent Advances in Diagnostic Microbiology
edited by Hin Fung Tsang
submission deadline 30 Jun 2026 | Viewed by 22 | 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)
Plant–Microbe Interactions Along Value Chains for Sustainable Horticulture
edited by Beatrix Alsanius
submission deadline 30 Jun 2026 | Viewed by 18 | Submission Open
Keywords: plant– microbe interactions; horticultural value chains; microbiome dynamics; growing media microbiology; post-harvest microbiome; fresh produce safety; food-borne pathogens related to fruit and vegetables; microbial succession; sustainable horticulture; microbiome-based interventions and strategies
(This special issue belongs to the Section Plant Microbe Interactions)
Antimicrobial Properties of Nanoparticles, 2nd Edition submission deadline 30 Jun 2026 | Viewed by 18 | Submission Open
Keywords: nanoparticles; nanomaterials; antiviral; antimicrobial; drug delivery
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Lactic Acid Bacteria and Dairy Food Production
edited by , and Aleksandr Novoslavskij
submission deadline 30 Jun 2026 | Viewed by 15 | Submission Open
Keywords: lactic acid bacteria; probiotic microorganisms; bioactive compounds; dairy foods; metagenomics; fermentation
(This special issue belongs to the Section Food Microbiology)
Taxonomy and Ecology of Uncultured Fungi
edited by
submission deadline 30 Jun 2026 | Viewed by 13 | Submission Open
Keywords: fungal taxonomy; phylogenetic resolution; amplicon sequencing; metagenomics; culturomics; fungal ecology; biogeography; phylogenomics
(This special issue belongs to the Section Microbiomes)
Bacterial Infection in Soft Tissue and Diabetic Foot
edited by
submission deadline 30 Jun 2026 | Viewed by 8 | Submission Open
Keywords: bacterial infections; soft and bone tissues; diabetic foot; anti-biofilm; antibiotic; antimicrobial therapy
(This special issue belongs to the Section Medical Microbiology)
Accelerated Topics in Public Health Microbiology and Microbial Food Safety
edited by
submission deadline 15 Jul 2026 | 3 articles | Viewed by 3522 | 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)
Diagnosis and Pathogenesis of Infectious Diseases in Livestock
edited by Rachel J. Derscheid
submission deadline 15 Jul 2026 | 2 articles | Viewed by 2413 | Submission Open
Keywords: diseases of cattle; diseases of swine; diseases of small ruminants; diseases of camelids; pathology of livestock diseases; molecular diagnostics; serology; bacterial disease of livestock; viral diseases of livestock; parasitic disease of livestock
(This special issue belongs to the Section Veterinary Microbiology)
Diversity and Evolution of Plant and Fungal Viruses
edited by Nina J Aboughanem and
submission deadline 15 Jul 2026 | 1 articles | Viewed by 1888 | Submission Open
Keywords: viral diversity; viral evolution; plant viruses; fungal viruses; host– pathogen interactions; agricultural impact; ecological significance
(This special issue belongs to the Section Virology)
Research on Foodborne Pathogens and Disease, 2nd Edition submission deadline 15 Jul 2026 | Viewed by 28 | Submission Open
Keywords: foodborne pathogens; foodborne illness; food safety; mechanisms of bacterial resistance; bacterial toxins; biofilm formation; detection and identification of foodborne pathogens
(This special issue belongs to the Section Food Microbiology)
Molecular Mechanisms of Resistance to Antifungals
edited by Felipe Queiroga Sarmento Guerra and
submission deadline 15 Jul 2026 | Viewed by 22 | Submission Open
Keywords: antifungal therapeutic; invasive fungal infections; molecular mechanisms; antifungal resistance
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Chromatin Structure and Function in Bacteria and Archaea
edited by and
submission deadline 20 Jul 2026 | Viewed by 90 | Submission Open
Keywords: bacterial chromatin; archaeal chromatin; genome organization; nucleoid; histone; global gene regulation; 3D chromosome
(This special issue belongs to the Section Molecular Microbiology and Immunology)
Contemporary Perspectives on Bacterial Virulence Factors
edited by Matthew Jackson and Kevin Theis
submission deadline 31 Jul 2026 | 3 articles | Viewed by 14482 | Submission Open
Keywords: bacterial pathogens; virulence factors; immune response; staphylococcus aureus; pseudomonas aeruginosa
(This special issue belongs to the Section Molecular Microbiology and Immunology)
Microorganisms in Functional Foods: 2nd Edition
edited by
submission deadline 31 Jul 2026 | 3 articles | Viewed by 10486 | Submission Open
Keywords: functional food; probiotics; prebiotics; fermentation; food microbiology; health promotion; gut diversity
(This special issue belongs to the Section Food Microbiology)
Microbial Fermentation in Food Processing
edited by and Qin Zhang
submission deadline 31 Jul 2026 | 3 articles | Viewed by 4832 | Submission Open
Keywords: microbial fermentation; food processing; flavor development; fermentation kinetics; microbial communities; metabolic pathways; food safety; sensory attributes; nutritional enhancement; food science and technology
(This special issue belongs to the Section Microbial Biotechnology)
Fungal Infections and Antifungal Agents submission deadline 31 Jul 2026 | 4 articles | Viewed by 4726 | Submission Open
Keywords: fungal infections; antifungal agents; antifungal drug discovery
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Emerging Pathogen Infections and Host Immune
edited by
submission deadline 31 Jul 2026 | 2 articles | Viewed by 1484 | 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)
Current Updates on Multidrug-Resistant Gram-Negative Bacterial Infections
edited by and Andreea-Loredana Golli
submission deadline 31 Jul 2026 | 1 articles | Viewed by 1116 | 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)
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