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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 polices and Guest Editor responsibilities can be found here. For any inquiries related to a Special Issue, please contact the Editorial Office.

Open for Submission

Probiotics, Gut Microbiota, and Health

Guest Editors: Massimiliano Marazzato, Claudio de Simone
1 article | Viewed by 1,975

Deadline: 30 April 2026

Open for Submission

Probiotics: The Current State of Scientific Knowledge (2nd Edition)

Guest Editor: Jacek Piatek
Viewed by 179

Deadline: 30 April 2026

Open for Submission

Gut Microbiota and Diseases

Guest Editor: Kyunam Kim
Viewed by 95

Deadline: 30 April 2026

Open for Submission

Advances in Host Gut Microbiota—2nd Edition

Guest Editors: Jean-Paul Motta, Marion Garofalo
Viewed by 37

Deadline: 30 April 2026

Open for Submission

Microbiota and Gastrointestinal Diseases

Guest Editor: Lorena Elena Melit
3 articles | Viewed by 12,534

Deadline: 20 April 2026

Open for Submission

Fecal Microbiota Transplantation in Humans and Animals

Guest Editors: Glenn S. Tillotson, Kelly Reveles
1 article | Viewed by 1,253

Deadline: 31 March 2026

Open for Submission

Tackling Gut Parasites: A One Health Perspective

Guest Editor: Rosa Maria Bermúdez-Cruz
Viewed by 79

Deadline: 31 March 2026

Open for Submission

Gut Microbiota and Patient Outcomes: Emerging Implications Across Surgical Specialties

Guest Editor: Theodoros Mariolis-Sapsakos
Viewed by 55

Deadline: 31 March 2026

Open for Submission

Microbiome–Gut–Liver Axis, Liver Diseases and Immunity

Guest Editor: Antonio Riva
Viewed by 113

Deadline: 31 January 2026

Open for Submission

Gut Microbes and Probiotics

Guest Editors: Runan Zhao, Wenjun Wang, Yini Liu
Viewed by 294

Deadline: 31 January 2026

Open for Submission

Gut Microbiome in Homeostasis and Disease, 3rd Edition

Guest Editor: Michael Doulberis
7 articles | Viewed by 7,399

Deadline: 15 January 2026

Open for Submission

Intestine as a Hub for Host-Microbe Interactions and Its Impact on Local and Systemic Health

Guest Editors: Helioswilton Sales-Campos, José Luiz de Brito Alves
4 articles | Viewed by 12,283

Deadline: 31 December 2025

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Microorganisms - ISSN 2076-2607