Microorganisms

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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From Sewers to Solutions: Wastewater Surveillance in the Fight Against Antimicrobial Resistance

edited by Mohamed M. H. Abdelbary,

Guido Werner

and Kazunari Sei

submission deadline 30 Sep 2026 | 2 articles | Viewed by 2069 | Submission Open

Keywords: AMR pathogens in wastewater; carbapenem-resistant enterobacterales; wastewater resistome; culture-based detection; molecular methodologies for pathogens detection; digital PCR; hospital and urban Wastewater; wastewater microbiome; mobile genetic elements; AMR plasmids

(This special issue belongs to the Section Antimicrobial Agents and Resistance)

Oral Microbiomes and Host Health

edited by

Lucinda J. Bessa

submission deadline 30 Sep 2026 | 2 articles | Viewed by 2068 | Submission Open

Keywords: oral microbiome; oral diseases; systemic diseases; dysbiosis; host– microbe interactions; microbial biomarkers

(This special issue belongs to the Section Microbiomes)

Bacterial Infections and Antimicrobial Resistance

edited by Weihui Li

submission deadline 30 Sep 2026 | Viewed by 127 | Submission Open

Keywords: antimicrobial resistance; Mycobacterium tuberculosis; bacterial pathogenesis; multidrug-resistant bacteria; antibiotic resistance mechanisms; genomics; novel therapeutics; biofilm; diagnostics; public health

(This special issue belongs to the Section Antimicrobial Agents and Resistance)

Gut Microbiota Axes and Human Health

edited by

Peter C. Konturek

submission deadline 1 Oct 2026 | Viewed by 83 | Submission Open

Keywords: irritable bowel syndrome; chronic inflammatory bowel diseases; chronic liver diseases; skin diseases; cancer immuntherapy; chronic diseaes; autoimmune diseases; gut metabolites; gut barrier disturbance; allergic diseases; post-COVID-19; chronic lung diseases

(This special issue belongs to the Section Gut Microbiota)

Microorganisms in Silage—2nd Edition

edited by

Musen Wang

Marcia De Oliveira Franco

Qing Zhang

Siran Wang

and

Chunsheng Bai

submission deadline 31 Oct 2026 | 1 articles | Viewed by 258 | Submission Open

Keywords: ensiling; microbial community; microbial contamination; functional lactic acid bacteria; fermented feed

(This special issue belongs to the Section Food Microbiology)

New Crucial Pathogens and Antimicrobial Resistance in Animals, Communities, Hospitals and the Environment in the One Health Context

edited by Xuewen Li

submission deadline 31 Oct 2026 | Viewed by 160 | Submission Open

Keywords: antimicrobial resistance; one health; emerging contaminants; evolution; mutation

(This special issue belongs to the Section Antimicrobial Agents and Resistance)

Microbial Fuel Cells: Innovations in Bioenergy Conversion

edited by John Greenman and Robin Thorn

submission deadline 31 Oct 2026 | Viewed by 89 | Submission Open

Keywords: MFC; PMFC; MDC; bioelectricity; bioremediation; microbial biofilms; biofilm electrodes; physical and chemical sensors; elemental molecular recycling

(This special issue belongs to the Section Microbial Biotechnology)

Hydrothermal Microorganisms

edited by

Erika Arcadi

submission deadline 30 Nov 2026 | Viewed by 63 | Submission Open

Keywords: extremophiles; chemosynthesis; thermophiles; hydrothermal microbial communities; symbiosis; biohazard

(This special issue belongs to the Section Environmental Microbiology)

Pathogenesis, Virulence and Host Responses to Infections by Candida spp

edited by