About this Research Topic
All parts of our body having communication with the external environment such as the skin, vagina, the respiratory tract or the gastrointestinal tract are colonized by a specific microbial community. The colon is by far the most densely populated organ in the human body. The pool of microbes inhabiting our body is known as “microbiota” and their collective genomes as “microbiome”. These microbial ecosystems regulate important functions of the host, and their functionality and the balance among the diverse microbial populations is essential for the maintenance of a “healthy status”. The impressive developments in recent years of next generation sequencing (NGS) methods have made possible to determine the gut microbiome composition. This, together with the application of other high throughput omic techniques and the use of gnotobiotic animals has greatly improved our knowledge of the microbiota acting as a whole.
In spite of this, most members of the human microbiota are largely unknown and remain still uncultured. The final functionality of the microbiota is depending not only on nutrient availability, and environmental conditions, but also on the interrelationships that the microorganisms inhabiting the same ecological niche are able to establish with their partners, or with their potential competitors. Therefore, in such a competitive environment microorganisms have had to develop strategies allowing them to cope, adapt, or cooperate with their neighbors, which may imply notable changes at metabolic, physiological and genetic level.
This Research Topic focuses on studies (original research articles, commentaries, opinion papers and reviews) that investigate and/or discuss the following items by particular members of human microbial ecosystems:
-Inhibition or out-competition mechanisms against other microbes
-Cross-feeding strategies among defined members of the microbiota
-Experimental systems, models and development of approaches to study microbial interactions
-Niche-specialization and general co-operation strategies between given microorganisms
-Functional prediction of potential interaction among defined members of the microbiota based on genomic bioinformatics
-Bacteriophages against intestinal pathogens or other members of the intestinal microbiota
Important Note: All contributions to this Research Topic must be within the scope of the section and journal to which they are submitted, as defined in their mission statements. Frontiers reserves the right to guide an out-of-scope manuscript to a more suitable section or journal at any stage of peer review.