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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Feature Papers on Respiratory Virus Infections
edited by and Fuminori Mizukoshi
submission deadline 31 Jan 2026 | Viewed by 10 | 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)
Microbe-Host Interactions: Molecular Mechanisms and Applications
edited by Dahua Chen, Xiao Chu and Zheng-Fei Yan
submission deadline 31 Jan 2026 | Viewed by 9 | Submission Open
Keywords: host-microbe crosstalk; microbe therapeutics; multi-omics integration
(This special issue belongs to the Section Molecular Microbiology and Immunology)
Fish Nutrition and Microbiology
edited by Denise Schrama and
submission deadline 31 Jan 2026 | Viewed by 8 | Submission Open
Keywords: aquaculture; fish nutrition; microbiology; fish health; sustainability; microorganisms; microbiota; stress; immune response
(This special issue belongs to the Section Veterinary Microbiology)
Advancement in Enterotoxigenic Escherichia coli (ETEC) Vaccines
edited by Ann-Mari Svennerholm
submission deadline 31 Jan 2026 | Viewed by 7 | Submission Open
Keywords: ETEC vaccine candidates; protective antigens; adjuvants; clinical trial phase 1-2b; ETEC epidemiology; travellers; children in LMIC; ETEC in animals
(This special issue belongs to the Section Molecular Microbiology and Immunology)
Microbial and Viral Infections in Organ Transplantation
edited by Renato Pascale
submission deadline 31 Jan 2026 | Viewed by 7 | Submission Open
Keywords: solid organ transplant; bacterial infections; viral infections; immunosuppressive treatment
(This special issue belongs to the Section Medical Microbiology)
Biological Control of Microbial Pathogens in Plants
edited by Leandro Simões Azeredo Gonçalves
submission deadline 31 Jan 2026 | Viewed by 7 | Submission Open
Keywords: biological control; microbial pathogens; plant diseases; biopesticides; sustainable agriculture
(This special issue belongs to the Section Plant Microbe Interactions)
Antimicrobial Resistance: Challenges and Innovative Solutions, 2nd Edition submission deadline 31 Jan 2026 | Viewed by 6 | Submission Open
Keywords: antimicrobial resistance; mechanisms of resistance; therapeutic approaches; antimicrobial stewardship; infection control; public health
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Microorganisms in Extreme Environments
edited by Sergiu Fendrihan
submission deadline 31 Jan 2026 | Viewed by 4 | Submission Open
Keywords: extremophile; psychrophilic; biotechnology
(This special issue belongs to the Section Environmental Microbiology)
Host–Microbiome Interactions: Genomic Analysis of Microbial Community Dynamics in AMR and Immunity
edited by George Popescu, and
submission deadline 31 Jan 2026 | Viewed by 3 | Submission Open
Keywords: metagenomics; metatranscriptomics; machine learning; microbial community dynamics; host– pathogen interaction; microbial gene interaction patterns; microbial networks
(This special issue belongs to the Section Molecular Microbiology and Immunology)
Microbial Responses and Adaptations to Environmental Changes
edited by
submission deadline 31 Jan 2026 | Viewed by 3 | Submission Open
Keywords: microbial adaptation; environmental stressors; microbial ecology; biogeochemical processes
(This special issue belongs to the Section Environmental Microbiology)
Aquatic Microorganisms and Their Application in Aquaculture, 2nd Edition
edited by
submission deadline 15 Feb 2026 | Viewed by 66 | Submission Open
Keywords: aquatic microorganisms; aquaculture microbiome; microbial water management; microbial additives in feed; pathogenic microorganisms; microbial ecology; biofloc technology
(This special issue belongs to the Section Environmental Microbiology)
Molecular Approaches for the Detection, Phylogeny, and Diagnosis of Amoebic Diseases
edited by
submission deadline 15 Feb 2026 | Submission Open
Keywords: pathogenic amoebae; free-living amoebae; molecular phylogeny; molecular diagnosis; epidemiology; amoebiasis; amoebic encephalitis; amoebic keratitis; gill disease
(This special issue belongs to the Section Molecular Microbiology and Immunology)
Immune Responses to Toxoplasma Infections submission deadline 20 Feb 2026 | Viewed by 8 | Submission Open
Keywords: toxoplasmosis; vaccine; immune response; mucosal immunity; infection; humoral immunity; cell-mediated immunity; chronic infection; immunocompromised; antigen presentation
(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 10264 | Submission Open
Keywords: probiotics; prebiotics; synbiotics; animals; food safety
(This special issue belongs to the Section Food Microbiology)
Salmonella Infections: Trends and Updates
edited by
submission deadline 28 Feb 2026 | 5 articles | Viewed by 8517 | 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)
Human Respiratory Syncytial Virus—Biology, Diagnosis and Prevention
edited by
submission deadline 28 Feb 2026 | 3 articles | Viewed by 7574 | 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 | 6 articles | Viewed by 7240 | Submission Open
Keywords: rhizosphere; fungi; bacteria; symbionts; microbial interactions; plant growth promotion
(This special issue belongs to the Section Plant Microbe Interactions)
Microbial Life and Ecology in Extreme Environments
edited by Lara Vimercati
submission deadline 28 Feb 2026 | 4 articles | Viewed by 5650 | Submission Open
Keywords: extremophiles; genomics; microbial diversity; microbial adaptation; microbial ecology; evolutionary strategies; extreme environments; environmental microbiology
(This special issue belongs to the Section Environmental Microbiology)
Focus on Pediatric Infectious Diseases submission deadline 28 Feb 2026 | 2 articles | Viewed by 2917 | Submission Open
Keywords: pediatric; infectious diseases; viral infection; bacterial infection; parasites; therapy; epidemiology; immunization
(This special issue belongs to the Section Medical Microbiology)
Advances in Genomics and Ecology of Environmental Microorganisms
edited by Renxing Liang
submission deadline 28 Feb 2026 | 5 articles | Viewed by 2899 | Submission Open
Keywords: genomics; environmental microorganisms; microbial communities; high-throughput sequencing; metagenome; bioinformatics; microbial ecology; biogeochemical cycles; biodegradation; bioremediation
(This special issue belongs to the Section Environmental Microbiology)
Pathogens and Aquaculture: 2nd Edition
edited by and Juan Pablo Pontigo
submission deadline 28 Feb 2026 | Viewed by 1452 | Submission Open
Keywords: fish; salmon; diseases; pathology; histopathology; virology; molecular epidemiology
(This special issue belongs to the Section Veterinary Microbiology)
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 939 | Submission Open
Keywords: virome; plant pathogenic virus; mycovirus; biocontrol agent; microbiota
(This special issue belongs to the Section Plant Microbe Interactions)
Microbial Communities and Indicators of Agroecosystem Health
edited by
submission deadline 28 Feb 2026 | Viewed by 248 | Submission Open
Keywords: diversity; beneficial and negative effects; symbiosis; microbial networks; biogeochemical cycles; organic matter; biocontrol; plant growth promotion; rhizosphere; resilience; ecosystem stability
(This special issue belongs to the Section Environmental Microbiology)
Pathogenic Free-Living Amoebae: Biology, Pathogenesis, Diagnosis, and Treatment
edited by and Min Kyoung Cho
submission deadline 28 Feb 2026 | Viewed by 221 | Submission Open
Keywords: pathogenic free-living amoebae; biology; pathogenesis; diagnosis; therapeutics
(This special issue belongs to the Section Medical Microbiology)
Harmful Algae and Microbes: From Molecules to Ecosystems
edited by and Yuri Okolodkov
submission deadline 28 Feb 2026 | Viewed by 86 | Submission Open
Keywords: harmful algae; microbes; complex interactions; biological organization; molecular mechanisms; ecosystem dynamics
Beneficial Microorganisms Against Phytopathogens: Innovations in Sustainable Plant Protection submission deadline 28 Feb 2026 | Viewed by 46 | Submission Open
Keywords: beneficial microorganisms; biocontrol; phytopathogens; PGPR; endophytes; mycorrhizal fungi; induced systemic resistance; microbiome engineering; synthetic microbial communities; sustainable agriculture
(This special issue belongs to the Section Plant Microbe Interactions)
Recent Advances in Acanthamoeba
edited by
submission deadline 28 Feb 2026 | Viewed by 20 | Submission Open
Keywords: Acanthamoeba; free-living amoebae; contact lenses; disinfection; keratitis; endosymbionts; antimicrobial
(This special issue belongs to the Section Medical Microbiology)
Surveillance of Health-Relevant Pathogens Employing Wastewater
edited by Bernd Manfred Gawlik and Gernot Marx
submission deadline 28 Feb 2026 | Viewed by 3 | Submission Open
Keywords: wastewater and environmental surveillance (WES); emerging pathogens; antimicrobial resistance; public health; pathogen monitoring; global health security
(This special issue belongs to the Section Environmental Microbiology)
Advances in Clinical Infections and Antimicrobial Resistance
edited by Sally Cheuk Ying Wong
submission deadline 28 Feb 2026 | Submission Open
Keywords: multidrug resistant organisms; antimicrobial resistance; clinical infections; resistant genes; antimicrobial stewardship; infection control; novel therapies
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Women’s Special Issue Series: Microorganisms submission deadline 8 Mar 2026 | 1 articles | Viewed by 1268 | Submission Open
Keywords: women; microorganisms; microbiology
Neonatal Microbiology submission deadline 31 Mar 2026 | 1 articles | Viewed by 1893 | Submission Open
Keywords: neonatal; newborn; microorganisms; probiotic
(This special issue belongs to the Section Microbiomes)
Climate Warming and Eutrophication on Phytoplankton Ecology: Effects and Restoration submission deadline 31 Mar 2026 | Viewed by 246 | Submission Open
Keywords: phytoplankton ecology; eutrophication; climate change; harmful algal blooms; phytotoxins; water quality; restauration; trophic interactions
(This special issue belongs to the Section Environmental Microbiology)
Microbial Contamination in Indoor Environments
edited by
submission deadline 31 Mar 2026 | Viewed by 135 | Submission Open
Keywords: indoor air quality; occupational exposure; microbial contamination; contextual information; sampling methods; assays
(This special issue belongs to the Section Environmental Microbiology)
Host–Virus Co-Evolution in Aquatic Species: Insights into Disease Dynamics
edited by and
submission deadline 31 Mar 2026 | Viewed by 81 | Submission Open
Keywords: host– virus interactions; co-evolution; aquatic disease dynamics; immune response; viral pathogenesis
(This special issue belongs to the Section Virology)
Antimicrobial Resistance (AMR): From the Environment to Health
edited by
submission deadline 31 Mar 2026 | Viewed by 65 | Submission Open
Keywords: antimicrobial resistance (AMR); environmental resistome; horizontal gene transfer; resistance evolution; virulence and adaptation; One Health; AMR surveillance; disinfection; metagenomics; wastewater-based epidemiology
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Mycobacterium tuberculosis: Diagnostics, Drug Resistance and Molecular Epidemiology submission deadline 31 Mar 2026 | Viewed by 50 | Submission Open
Keywords: Mycobacterium tuberculosis; tuberculosis diagnostics; drug-resistant tuberculosis; multidrug-resistant tuberculosis (MDR-TB); molecular epidemiology; whole-genome sequencing; tuberculosis molecular typing
(This special issue belongs to the Section Medical Microbiology)
Pathogen Infections in Aquatic Animals—Advanced Detection Technologies, Precision Identification, and Pathogenic Mechanisms
edited by and
submission deadline 31 Mar 2026 | Viewed by 44 | Submission Open
Keywords: aquatic pathogen; pathogen detection; omics technology; bacteriostasis; seafood safety; bio-safety
(This special issue belongs to the Section Veterinary Microbiology)
Advances in the Diagnosis and Treatment of Mycobacterial Infections
edited by Hung-Ling Huang
submission deadline 31 Mar 2026 | Viewed by 32 | Submission Open
Keywords: mycobacterial infection; tuberculosis; latent TB infection; nontuberculous mycobacterial infection; immunity; transmission; drug resistance
(This special issue belongs to the Section Medical Microbiology)
State-of-the-Art Antimicrobial Agents and Resistance Research in the USA
edited by
submission deadline 31 Mar 2026 | Viewed by 12 | 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)
Pseudomonas Biology and Biodiversity
edited by
submission deadline 30 Apr 2026 | 1 articles | Viewed by 954 | 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 | 3 articles | Viewed by 3115 | 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)
Microbial Communities and Nitrogen Cycling
edited by Chen Ye, and Hao Liao
submission deadline 31 May 2026 | 3 articles | Viewed by 3109 | Submission Open
Keywords: microbial communities; nitrogen cycle; biogeochemical processes; nitrogen fixation; nitrification; denitrification; ammonification; ecosystem health; environmental changes; microbial diversity
(This special issue belongs to the Section Environmental Microbiology)
Global Perspectives and Contributions to the Understanding of Human Papillomavirus and Associated Diseases
edited by
submission deadline 1 Jun 2026 | Viewed by 107 | 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 120 | 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)
Harnessing Microbes for Crop Protection and Fertilization
edited by
submission deadline 30 Jun 2026 | 2 articles | Viewed by 2619 | 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)
Exploration of Marine Microbial Resources
edited by
submission deadline 30 Jun 2026 | Viewed by 46 | Submission Open
Keywords: marine microorganisms; natural products; biosynthetic mechanism; genome mining; synthetic biology; microbial biotechnology
(This special issue belongs to the Section Microbial Biotechnology)
Diversity and Evolution of Plant and Fungal Viruses
edited by Nina J Aboughanem and
submission deadline 15 Jul 2026 | 1 articles | Viewed by 1149 | 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)
Rumen Microorganisms
edited by and Jianbo Zhang
submission deadline 31 Aug 2026 | Viewed by 10 | Submission Open
Keywords: rumen microbiota; rumen microbial ecology; rumen microbial interactions; rumen microbial metabolism; absorption; and function; bioinformatics and omics; feed conversion efficiency (FCE); methane emission
(This special issue belongs to the Section Veterinary Microbiology)
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