microbiota
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GC: n 

S: CDC – https://wwwnc.cdc.gov/eid/article/30/8/23-0677_article (last access: 19 December 2024); NCBI – https://pmc.ncbi.nlm.nih.gov/articles/PMC9034083/ (last access: 19 December 2024).

N: 1. From word-forming element “micro-” (meaning “small in size or extent, microscopic; magnifying;” in science indicating a unit one millionth of the unit it is prefixed to; from Latinized form of mikros, Attic form of Greek smikros “small, little, petty, trivial, slight,” perhaps from PIE *smika, from root *smik- “small” (source also of Old High German smahi “littleness”), but Beekes thinks it a Pre-Greek word.) + noun “biota” (“animal and plant life of a given region,” 1901, from Greek biota “life,” from PIE root *gwei- “to live”).

The first known use of microbiota was in 1914.

2. The human microbiota consists of the 10-100 trillion symbiotic microbial cells harbored by each person, primarily bacteria in the gut; the human microbiome consists of the genes these cells harbor.

3. Specifying the definition of the human microbiome has been complicated by confusion about terminology: for example, “microbiota” (the microbial taxa associated with humans) and “microbiome” (the catalog of these microbes and their genes) are often used interchangeably.

4. Biological Sciences; Microbial Ecology: microbiota.

  • The microscopic organisms of a particular environment.

5. Bowels: intestinal microbiota, gut microbiota, intestinal flora, gut flora, intestinal microflora, gut microflora

  • The bacteria normally residing within the lumen of the intestine.
  • The human gut possesses millions of microbes that define a complex microbial community. The gut microbiota has been characterized as a vital organ forming its multidirectional connecting axis with other organs. This gut microbiota axis is responsible for host-microbe interactions and works by communicating with the neural, endocrinal, humoral, immunological, and metabolic pathways. The human gut microorganisms (mostly non-pathogenic) have symbiotic host relationships and are usually associated with the host’s immunity to defend against pathogenic invasion.

S: 1. Etymonline – https://www.etymonline.com/search?q=micro-, https://www.etymonline.com/search?q=biota (last access: 19 December 2024); MW – https://www.merriam-webster.com/dictionary/microbiota (last access: 19 December 2024). 2 & 3. NIH – https://pmc.ncbi.nlm.nih.gov/articles/PMC3426293/ (last access: 19 December 2024). 4. TERMIUM PLUS – https://www.btb.termiumplus.gc.ca/tpv2alpha/alpha-eng.html?lang=eng&i=1&srchtxt=microbiota&index=alt&codom2nd_wet=1#resultrecs (last access: 19 December 2024). 5. TERMIUM PLUS – https://www.btb.termiumplus.gc.ca/tpv2alpha/alpha-eng.html?lang=eng&i=1&srchtxt=gut+microbiota&index=alt&codom2nd_wet=1#resultrecs (last access: 19 December 2024); NIH – https://pmc.ncbi.nlm.nih.gov/articles/PMC9549250/ (last access: 19 December 2024).


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CR: Bifidobacterium bifidum, microorganism, probiotic.