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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

Gut Microbiota Axes and Human Health

Guest Editor: Peter C. Konturek
Viewed by 25

Deadline: 1 October 2026

Open for Submission

State-of-the-Art Gut Microbiota in the USA (2026)

Guest Editors: Carl Gordon Johnston, Todd Riley Callaway
Viewed by 48

Deadline: 30 June 2026

Open for Submission

Gut Microbiota in Health and Diseases: The Role of Pro-/Pre-/Syn-/Post-Biotics in the Gut–Liver–Brain Axis

Guest Editors: Mohamad Khalil, Piero Portincasa
2 articles | Viewed by 18,354

Deadline: 15 June 2026

Open for Submission

Role of Dietary Nutrients in the Modulation of Gut Microbiota

Guest Editors: Inês Brandão, Joana Ferreira-Gomes
3 articles | Viewed by 9,840

Deadline: 31 May 2026

Open for Submission

Intestinal Dysbiosis: 2nd Edition

Guest Editor: Giuseppe Merra
1 article | Viewed by 3,597

Deadline: 31 May 2026

Open for Submission

Gut Microbiota and Human Health: From Mechanisms to Therapeutic Frontiers

Guest Editor: Jun-Hyung Cho
1 article | Viewed by 239

Deadline: 31 May 2026

Open for Submission

Interactions Between Gut Microbiota and Its Host in Health and Disease

Guest Editor: Yunhe Fu
Viewed by 44

Deadline: 31 May 2026

Open for Submission

Role of the Gut Microbiota in Children’s Health

Guest Editor: Maurizio Mennini
Viewed by 31

Deadline: 31 May 2026

Open for Submission

Functional Dietary Components, Gut Microbiota, and Host Health: Interaction Mechanisms and Innovative Product Development

Guest Editor: Zhenjun Zhu
1 article | Viewed by 686

Deadline: 31 May 2026

Open for Submission

Probiotics and Gut Microbiome Dynamics in Health and Disease

Guest Editors: Anastasios Nikolaou, Margaritis Tsifintaris, Ilias Tsochantaridis
Viewed by 39

Deadline: 31 May 2026

Open for Submission

Interactions Between Intestinal Microbiota and Host

Guest Editor: Kaline Arnauts
Viewed by 30

Deadline: 31 May 2026

Open for Submission

Gut Microbiota: Metagenomics to Study Ecology, 2nd Edition

Guest Editor: Lifeng Zhu
4 articles | Viewed by 5,122

Deadline: 30 April 2026

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Microorganisms - ISSN 2076-2607