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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Advances in Research on Cyanobacteria and Cyanotoxins
edited by and
submission deadline 30 Nov 2026 | 1 articles | Viewed by 1499 | Submission Open
Keywords: cyanobacteria; cyanotoxins; water safety
(This special issue belongs to the Section Environmental Microbiology)
State-of-the-Art Antimicrobial Agents and Resistance Research in Germany submission deadline 30 Nov 2026 | 1 articles | Viewed by 1444 | Submission Open
Keywords: antimicrobials; antimicrobial resistance (AMR); antibiotics; antibiotic-resistant bacteria (ARBs); antibiotic-resistant genes (ARGs); antimicrobial peptides; bacteriophage therapy
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Viral Diseases of Poultry and Waterfowl
edited by , Yu Huang and Guang-Hua Fu
submission deadline 30 Nov 2026 | 2 articles | Viewed by 1366 | Submission Open
Keywords: viral diseases; poultry; waterfowl; avian viruses; epidemiology; pathogenesis; virus evolution; novel diagnostics and detection technologies; vaccines; antiviral strategies
(This special issue belongs to the Section Veterinary Microbiology)
The Evolution of Foodborne Pathogens in the 4.0 Era: A Food Safety Perspective submission deadline 30 Nov 2026 | 1 articles | Viewed by 1202 | Submission Open
Keywords: food Safety; foodborne pathogens; whole-genome sequencing (WGS); proteomics; CRISPR technology; infectious disease outbreaks; antimicrobial resistance; genomics; public health surveillance; pathogen evolution
(This special issue belongs to the Section Food Microbiology)
Research on Bacterial Pathogens in Fish submission deadline 30 Nov 2026 | 1 articles | Viewed by 926 | Submission Open
Keywords: bacterial pathogens; aquaculture; immune; antimicrobial resistance
(This special issue belongs to the Section Veterinary Microbiology)
Antimicrobial Resistance and Virulence of Foodborne Pathogens submission deadline 30 Nov 2026 | Viewed by 547 | Submission Open
Keywords: antimicrobial resistance; foodborne pathogens; one health; virulence factors; biofilm formation
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Medical Microbial Infections and Antimicrobial Resistance submission deadline 30 Nov 2026 | Viewed by 477 | Submission Open
Keywords: antimicrobial resistance; multidrug-resistant pathogens; bacterial and fungal infections; virulence factors; biofilm; antifungal resistance; novel antimicrobials; nanotechnology; infection control; host–pathogen interaction
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Probiotics: The Current State of Scientific Knowledge (2nd Edition)
edited by
submission deadline 30 Nov 2026 | Viewed by 452 | 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)
The Biology of Host–Candida Interactions submission deadline 30 Nov 2026 | Viewed by 405 | Submission Open
Keywords: Candida species; host–pathogen interactions; fungal pathogenesis; host immune response; fungal morphogenesis; biofilm formation; antifungal resistance; microbiota; candidiasis; translational research
(This special issue belongs to the Section Medical Microbiology)
Phytoplankton Faced with Emergent Pollutants
edited by and Stéphanie Fayolle
submission deadline 30 Nov 2026 | Viewed by 381 | Submission Open
Keywords: freshwater and marine ecosystems; photosynthetic protists; microalgae; diatoms; cyanobacteria; dinoflagellates; emergent pollutions; PFAS; PPCPs (pharmaceuticals & personal care products); nanoplastics; radionuclides; “OMICS” approaches; ecophysiology; stress responses; bioaccumulation; biotransformation
(This special issue belongs to the Section Environmental Microbiology)
Infectious Diseases in Small Animals
edited by Rosario Cerundolo
submission deadline 30 Nov 2026 | 1 articles | Viewed by 381 | Submission Open
Keywords: zoonotic infection; veterinary; infectious diseases
(This special issue belongs to the Section Veterinary Microbiology)
Mycolata (Corynebacteria, Rhodococci and Mycobacteria): Good Servants but Bad Masters submission deadline 30 Nov 2026 | Viewed by 378 | Submission Open
Keywords: Rhodococcus; Corynebacterium; Mycobacterium; biosynthesis; biodegradation; biotechnological applications; pathogen
(This special issue belongs to the Section Microbial Biotechnology)
Infections in Pregnancy: Microbial Pathogens and Their Impact on Maternal and Fetal Health
edited by Antônio Rodrigues Braga and
submission deadline 30 Nov 2026 | 1 articles | Viewed by 377 | Submission Open
Keywords: pregnancy infections; maternal-fetal transmission; vertical transmission; viral infections in pregnancy; bacterial infections in pregnancy; congenital infections; perinatal outcomes; placental infection; emerging infections; antimicrobial therapy in pregnancy
(This special issue belongs to the Section Medical Microbiology)
Beneficial Microbes in Fermentation, Functional Foods and the Modulation of Gut Microbiota
edited by
submission deadline 30 Nov 2026 | Viewed by 346 | Submission Open
Keywords: beneficial microorganisms; probiotic strains; food-associated microbes; fermented foods; gut microbiota modulation; functional foods
(This special issue belongs to the Section Food Microbiology)
Hydrothermal Microorganisms
edited by
submission deadline 30 Nov 2026 | Viewed by 332 | Submission Open
Keywords: extremophiles; chemosynthesis; thermophiles; hydrothermal microbial communities; symbiosis; biohazard
(This special issue belongs to the Section Environmental Microbiology)
Current Insights into Rumen Microbiota
edited by Shuxiang Wang and Shatuo Chai
submission deadline 30 Nov 2026 | 1 articles | Viewed by 275 | Submission Open
Keywords: animal nutrition; ruminant production; rumen microbiome; multi-omics; feed efficiency; sustainable livestock production
(This special issue belongs to the Section Veterinary Microbiology)
Bacterial Degradation of Pollutants: Can We Still Save Nature?
edited by
submission deadline 30 Nov 2026 | Viewed by 264 | Submission Open
Keywords: bacterial degradation; pollution; bacteria-mediated biodegradation; bioremediation; biotransformation; toxic compounds
(This special issue belongs to the Section Microbial Biotechnology)
Molecular Detection, Genotyping and Surveillance of Animal Pathogens
edited by Seyed Ali Ghorashi
submission deadline 30 Nov 2026 | Viewed by 240 | Submission Open
Keywords: molecular diagnostics; genotyping; animal pathogens; epidemiological surveillance; veterinary microbiology; zoonotic diseases; one health; point of care testing; antimicrobial resistance
(This special issue belongs to the Section Veterinary Microbiology)
Pseudomonas aeruginosa: Biology, Genetics and Promising New Treatments submission deadline 30 Nov 2026 | Viewed by 209 | Submission Open
Keywords: Pseudomonas aeruginosa; metabolism; biology; genetics; pathogenicity; new vaccines and treatments
(This special issue belongs to the Section Medical Microbiology)
Pathogenic Oral Microbiota and Systemic Diseases
edited by Hidenobu Senpuku
submission deadline 30 Nov 2026 | Viewed by 205 | Submission Open
Keywords: oral microorganisms; infection; systemic disease; infective endocarditis; periodontal disease; pneumonia
(This special issue belongs to the Section Medical Microbiology)
Oncolytic Virus-Based Therapies
edited by and Paul De Figueiredo
submission deadline 30 Nov 2026 | Viewed by 201 | Submission Open
Keywords: cancer; oncolytic; adenovirus; virotherapy; immunotherapy; combined therapy
(This special issue belongs to the Section Virology)
Recent Developments in the Advanced Study of Microbiota and Microbial Biotechnology
edited by Whei-Fen Wu and
submission deadline 30 Nov 2026 | Viewed by 198 | Submission Open
Keywords: microbiota; microbial biotechnology; enzyme-protein engineering; synthetic biology; industrial microbiology
(This special issue belongs to the Section Microbial Biotechnology)
Common and Uncommon Pathogens Causing Bloodstream Infection: Diagnosis, Antimicrobial Resistance and Management
edited by Carola Mauri
submission deadline 30 Nov 2026 | Viewed by 192 | Submission Open
Keywords: bloodstream infections; antimicrobial resistance; diagnosis; pathogens
(This special issue belongs to the Section Medical Microbiology)
Plant Growth-Promoting Bacteria, 2nd Edition submission deadline 30 Nov 2026 | Viewed by 176 | Submission Open
Keywords: rhizobacteria; endophytic; rhizobia; biotic stress; abiotic stress; fertilizer; irrigation
(This special issue belongs to the Section Plant Microbe Interactions)
Advances in Tick–Microbe Interactions
edited by Yoonseong Park and
submission deadline 30 Nov 2026 | Viewed by 171 | Submission Open
Keywords: ticks; tick-borne pathogens; tick endosymbionts; tick microbiome
Cefiderocol: An Overview of Antibacterial Activity and Resistance Mechanisms
edited by
submission deadline 30 Nov 2026 | Viewed by 165 | Submission Open
Keywords: cefiderocol; carbapenemases; gram-negative bacteria; NDM; OXA-48
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Veterinary Microbiology: Emerging Zoonotic Pathogens Across Animal Species submission deadline 30 Nov 2026 | Viewed by 149 | Submission Open
Keywords: zoonotic pathogens; one health; veterinary microbiology
(This special issue belongs to the Section Veterinary Microbiology)
Plant–Microbe Interactions in Crop Production: State of the Art in Germany, Future Developments and International Perspective
edited by Markus Weinmann
submission deadline 30 Nov 2026 | Viewed by 149 | Submission Open
Keywords: plant–microbe interactions; crop; microbiome; sustainable agriculture; agroecosystems
(This special issue belongs to the Section Plant Microbe Interactions)
Probiotics in Aquaculture: From Functional Microbes to Sustainable Solutions
edited by Luis Monzón-Atienza, and
submission deadline 30 Nov 2026 | Viewed by 130 | Submission Open
Keywords: probiotics; aquaculture; fish health; microbiome; immunomodulation; gut health; sustainability; disease prevention; host–microbe interactions; antimicrobial resistance
(This special issue belongs to the Section Veterinary Microbiology)
Novel Antimicrobial Agents: Sources, Mechanisms, and Applications
edited by and Ermenegilda Parrilli
submission deadline 30 Nov 2026 | Viewed by 106 | Submission Open
Keywords: antimicrobial compounds; microbial control strategies; spoilage bacteria; antimicrobial resistance; pathogenic microorganisms
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Microbial Communities in Sustainable Aquaculture
edited by Lior Guttman
submission deadline 30 Nov 2026 | Viewed by 70 | Submission Open
Keywords: aquaculture; aquatic organisms; microbial dynamics; microbe–host interactions; metagenomics; resilience; water quality
(This special issue belongs to the Section Environmental Microbiology)
Matrix-Assisted Laser Desorption/Ionization Time of Flight Mass Spectrometry (MALDI-TOF MS) for the Identification of Pathogenic Microorganisms, 4th Edition
edited by
submission deadline 15 Dec 2026 | 1 articles | Viewed by 1146 | Submission Open
Keywords: MALDI-TOF MS; diagnosis; microorganism identification; bacteria; viruses; parasites; fungi; antimicrobial susceptibility testing
(This special issue belongs to the Section Medical Microbiology)
Harnessing Beneficial Microbes: From Biocontrol Mechanisms to Probiotic Applications
edited by
submission deadline 15 Dec 2026 | 1 articles | Viewed by 772 | Submission Open
Keywords: microbiome mining; beneficial microbes; biocontrol; multi-omics analysis; host–microbiome interactions
(This special issue belongs to the Section Microbial Biotechnology)
Microbiome in Fish and Their Living Environment, Second Edition
edited by and
submission deadline 20 Dec 2026 | 4 articles | Viewed by 3295 | Submission Open
Keywords: fish species; gut microbiome; dietary modification; water environment; immunity
(This special issue belongs to the Section Veterinary Microbiology)
Epidemiology, Detection and Control of Avian Infectious Diseases
edited by Wenjie Jin
submission deadline 20 Dec 2026 | 3 articles | Viewed by 3100 | Submission Open
Keywords: avian infectious diseases; antimicrobial resistance; One Health perspectives; vaccine development; zoonoses
(This special issue belongs to the Section Veterinary Microbiology)
State-of-the-Art Veterinary Microbiology in Italy (2026)
edited by
submission deadline 20 Dec 2026 | 2 articles | Viewed by 1271 | 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)
Engineered Microbial Systems for Innovative Bioprocessing Solutions
edited by
submission deadline 20 Dec 2026 | Viewed by 309 | Submission Open
Keywords: engineered microbes; microbial systems; bioprocessing; metabolic engineering; synthetic biology; microbial consortia; electro-fermentation; bioelectrochemical systems; circular bioeconomy; waste valorization
(This special issue belongs to the Section Microbial Biotechnology)
The Molecular Mechanisms Regulating Stress-Adaptive Responses in Bacteria submission deadline 30 Dec 2026 | 5 articles | Viewed by 6414 | Submission Open
Keywords: biofilms; strategies to combat antimicrobial resistance; bacterial stress adaptation
(This special issue belongs to the Section Antimicrobial Agents and Resistance)
Oral Microbes and Human Health, Second Edition submission deadline 31 Dec 2026 | 6 articles | Viewed by 14913 | Submission Open
Keywords: oral; microbiota; health
(This special issue belongs to the Section Medical Microbiology)
Gut Microbiota and Human Health: From Mechanisms to Therapeutic Frontiers
edited by
submission deadline 31 Dec 2026 | 6 articles | Viewed by 8080 | Submission Open
Keywords: gut microbiota; host–microbe interaction; Helicobacter pylori; microbiome metabolites; gut–brain axis; probiotics and prebiotics; fecal microbiota transplantation
(This special issue belongs to the Section Gut Microbiota)
Laboratory Diagnosis and Epidemiology of Clinical Microbial Infections
edited by
submission deadline 31 Dec 2026 | 5 articles | Viewed by 7617 | Submission Open
Keywords: infectious disease; laboratory diagnosis; epidemiology
(This special issue belongs to the Section Medical Microbiology)
Exploring the Diversity of Microbial Applications submission deadline 31 Dec 2026 | 3 articles | Viewed by 7480 | Submission Open
Keywords: microbial biotechnology; microbiome; environmental microbiology; microbial applications; bioremediation; industrial microbiology; microbial metabolism
(This special issue belongs to the Section Microbial Biotechnology)
Probiotics and Their Health Benefits
edited by Yunhuan Liu
submission deadline 31 Dec 2026 | 5 articles | Viewed by 6606 | Submission Open
Keywords: probiotics; beneficial microbiota; host health; diseases
(This special issue belongs to the Section Medical Microbiology)
HIV Infections: Comorbidities, Clinical Challenges, and Antiretroviral Advances submission deadline 31 Dec 2026 | 6 articles | Viewed by 6269 | Submission Open
Keywords: HIV; HIV multimorbidity; antiretroviral therapy; coinfections; viraemia
(This special issue belongs to the Section Virology)
Mycobacterial Research
edited by
submission deadline 31 Dec 2026 | 5 articles | Viewed by 6204 | 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)
Recent Insights of the Role of Microorganisms in Bovine Medicine
edited by
submission deadline 31 Dec 2026 | 5 articles | Viewed by 5980 | Submission Open
Keywords: Virology; bacteriology; parasitology; aetiology; diagnostic; laboratory testing; treatment; prevention
(This special issue belongs to the Section Veterinary Microbiology)
Microbial-Sourced Nutritional Supplements for Human and Animal
edited by and
submission deadline 31 Dec 2026 | 3 articles | Viewed by 5060 | Submission Open
Keywords: microbial-sourced; nutritional supplements; biosynthesis; fermentation; enzymes
(This special issue belongs to the Section Microbial Biotechnology)
Advancement in Enterotoxigenic Escherichia coli (ETEC) Vaccines
edited by Ann-Mari Svennerholm
submission deadline 31 Dec 2026 | 3 articles | Viewed by 4792 | 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)
The Role of Microbes in Advancing Sustainable Development Goals
edited by and Laura Dorina Dinu
submission deadline 31 Dec 2026 | 2 articles | Viewed by 4634 | Submission Open
Keywords: microbes; sustainability; agricultural productivity; renewable energy; climate change; public health; circular economy; genetically engineered microbes; biopharmaceuticals; microbial biotechnology
(This special issue belongs to the Section Microbial Biotechnology)
HIV Infections: Diagnosis and Drug Uses submission deadline 31 Dec 2026 | 4 articles | Viewed by 4596 | 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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