Gut Bacterial Community: Competition and Mutualism

A special issue of Microorganisms (ISSN 2076-2607). This special issue belongs to the section "Gut Microbiota".

Deadline for manuscript submissions: closed (15 March 2025) | Viewed by 378

Special Issue Editor


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Guest Editor
Institut NUMECAN, INSERM, Université de Rennes, INRAE, F-35000 Rennes, France
Interests: interaction between host and microorganisms (viruses or bacteria); gut microbiota; metabolites
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Special Issue Information

Dear Colleagues,

The gut bacterial community is a complex ecosystem within the human gastrointestinal tract, comprising a diverse array of microorganisms that play crucial roles in health and disease. Recent research has shed light on the dynamic interplay between competition and mutualism among gut bacteria, uncovering fascinating insights into their interactions and impact on host physiology. Cutting-edge studies have revealed how microbial competition for nutrients and niche space influences community structure, while mutualistic relationships contribute to host immune modulation and metabolic functions. Understanding the balance between competition and mutualism in the gut microbiome is essential for deciphering its role in maintaining health and preventing disease.

Subordinate Topics:

  • Microbial Competition in the Gut: Exploration of mechanisms and implications of competitive interactions among gut bacteria.
  • Mutualistic Relationships: Investigating symbiotic associations and their effects on host health and disease.
  • Impact on Host Immunity: Examining how gut microbial interactions influence the host immune system.
  • Metabolic Functions: Uncovering the contribution of microbial mutualism to host metabolism and energy balance.
  • Therapeutic Implications: Discussing the potential therapeutic strategies targeting gut bacterial competition and mutualism for health interventions.

Dr. Latifa Bousarghin
Guest Editor

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Keywords

  • gut bacteria
  • gut microbiome
  • microbial competition
  • microbial symbiosis
  • microbial metabolism
  • human health

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Published Papers (1 paper)

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Research

18 pages, 3150 KiB  
Article
Synergistic Adaptations of Yak Rumen Microbiota, Metabolites and Host to Altitudinal
by Jianming Ren, Xiong Ma, Pengfei Zhao, Lan Zhang, Shiyu Tao, Xiangyan Wang and Bingang Shi
Microorganisms 2025, 13(7), 1543; https://doi.org/10.3390/microorganisms13071543 - 30 Jun 2025
Abstract
Rumen microbiota and metabolites play important roles in energy metabolism and immune regulation in the host. However, the underlying mechanisms of their interaction with the host to regulate yak plateau adaptation remain unknown. In this study, the effects of altitude on the rumen [...] Read more.
Rumen microbiota and metabolites play important roles in energy metabolism and immune regulation in the host. However, the underlying mechanisms of their interaction with the host to regulate yak plateau adaptation remain unknown. In this study, the effects of altitude on the rumen microbiome, metabolome, and fermentation parameters of yaks were analyzed. The fiber content of pasture grasses increased with altitude, while crude protein content was significantly higher at an altitude of 2800 m (T2800) compared to an altitude of 4500 m (T4500) (p < 0.05). The acetic acid, propionic acid, and volatile fatty acids of yaks in the T4500 group were significantly higher than in the T2800 group (p < 0.05). Simpson’s index of rumen microorganisms in the T4500 group of yaks was significantly higher than in T2800 and T3500 yaks. The relative abundance of Rikenellaceae_RC9_gut_group and Succiniclasticum was significantly higher in T4500 than in T2800, while Prevotella and Streptococcus were more abundant in T2800 than in T4500. Rumen metabolomics analyses revealed that yak rumen metabolites at different altitudes were influenced by forage and altitude, mainly affecting energy metabolism and fatty acid biosynthesis (such as purine and glycerophospholipid metabolism). In summary, altitude may influence rumen microbes and metabolites through pasture nutrient composition. Full article
(This article belongs to the Special Issue Gut Bacterial Community: Competition and Mutualism)
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