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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, Prebiotics, and Gut Microbes—Second Edition

Guest Editor: Oleg Paliy
4 articles | Viewed by 9,720

Deadline: 31 December 2025

Open for Submission

Unraveling the Mysteries of Gut Microbiota to Advance Sustainable Aquaculture

Guest Editor: Qunlan Zhou
Viewed by 126

Deadline: 31 December 2025

Open for Submission

State of the Art of Gut Microbiota in Italy (2025, 2026)

Guest Editors: Maddalena Rossi, Francesco Candeliere
Viewed by 183

Deadline: 31 December 2025

Open for Submission

Gut Microbiota and Metabolic Disease Pathogenesis

Guest Editor: Gerald Maarman
Viewed by 194

Deadline: 31 December 2025

Open for Submission

The Gut–CKD Axis: Thinking Outside the Box

Guest Editors: Julie Kemp, Denise Mafra, Marcia Ribeiro
Viewed by 103

Deadline: 31 December 2025

Open for Submission

Exploring the Gut–Brain Axis in Dementia: Biomarkers, Microbiota, and Machine Learning Approaches

Guest Editor: Bing-Mu Hsu
Viewed by 166

Deadline: 31 December 2025

Open for Submission

Anaerobic Gut Fungi: Ecological Role and Biotechnological Potential

Guest Editor: Radwa Hanafy
Viewed by 183

Deadline: 31 December 2025

Closed

Phenotyping the Athletic Gut Microbiota: The Basis of Health and Physical Performance?

Guest Editor: Jesús Álvarez-Herms
3 articles | Viewed by 7,554

Deadline: 30 November 2025

Closed

Nutrition and Gut Microbiome

Guest Editor: Giuseppe Merra
3 articles | Viewed by 9,892

Deadline: 30 November 2025

Closed

Effects of Diet and Nutrition on Gut Microbiota

Guest Editors: Heng Yuan, Sunmin Park
3 articles | Viewed by 3,723

Deadline: 30 November 2025

Closed

Gut Microbiota, Diet, and Gastrointestinal Cancer, 2nd Edition

Guest Editors: Flavio De Maio, Marco Cintoni
1 article | Viewed by 3,229

Deadline: 30 November 2025

Closed

Host–Microbiota Interaction in Metabolic Diseases

Guest Editors: Zhipeng Li, Weiwei He
1 article | Viewed by 1,991

Deadline: 30 November 2025

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Microorganisms - ISSN 2076-2607