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Microbiome research refers to the studying of microorganisms' interaction within and outside of the host. Common microorganisms include different types of fungi, bacteria, and viruses, and the community of microorganisms is known as the microbiome. These microorganisms exist in most of our body parts, contributing to our health. [20]
The microbiome is defined as a characteristic microbial community occupying a reasonable well-defined habitat which has distinct physio-chemical properties. The microbiome not only refers to the microorganisms involved but also encompass their theatre of activity, which results in the formation of specific ecological niches.
The Human Microbiome Project (HMP) was a United States National Institutes of Health (NIH) research initiative to improve understanding of the microbiota involved in human health and disease. Launched in 2007, [ 1 ] the first phase (HMP1) focused on identifying and characterizing human microbiota.
[33] [34] The ways the microbiome influences human and animal health, as well as methods to influence the microbiome are active areas of research. [35] Research has suggested that microorganisms could be useful in the treatment of cancer. Various strains of non-pathogenic clostridia can infiltrate and replicate within solid tumors. Clostridial ...
The concept and field of gnotobiology was born of a debate between Louis Pasteur and Marceli Nencki in the late 19th century, in which Pasteur argued that animal life needed bacteria to succeed while Nencki argued that animals would be healthier without bacteria, [2] but it wasn't until 1960 that the Association for Gnotobiotics was formed. [4]
Microbiomics is the study of microbiome dynamics, function, and structure. [19] This area of study employs several techniques to study the microbiome in its host environment: [18] Sampling methods focused on collecting representative samples of the local environment, either from oral swabs or stool. [18]
Graphic depicting the human skin microbiota, with relative prevalences of various classes of bacteria. The human microbiome is the aggregate of all microbiota that reside on or within human tissues and biofluids along with the corresponding anatomical sites in which they reside, [1] [2] including the gastrointestinal tract, skin, mammary glands, seminal fluid, uterus, ovarian follicles, lung ...
[22] [23] This is done by comparing animals with a standard commensal gut microbiome to germ free, or by colonising a germ free animal with an organism of interest. The gut microbiota can vary between research facilities which can be a confounder in experiments and be a cause of lack of reproducibility. [24]