gno·to·bi·ot·ics

(nō′tō-bī-ŏt′ĭks)

n. (used with a sing. verb)

The study of organisms or environmental conditions that have been rendered free of bacteria or contaminants or into which a known microorganism or contaminant has been introduced for research purposes.

[Greek gnōtos, known; see gnō- in Indo-European roots + biotics, study of living organisms.]

gno′to·bi·ot′ic adj.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

gnotobiotics

(ˌnəʊtəʊbaɪˈɒtɪks)

(Biology) (functioning as singular) the study of organisms living in germ-free conditions or when inoculated with known microorganisms

[C20: from Greek, from gnōtos, from gignōskein to know + bios known life]

ˌgnotobiˈotic adj

ˌgnotobiˈotically adv

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

gnotobiotics

a branch of biology that studies animals under germ-free conditions.

See also: Biology

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References in periodicals archive

High dose and low dose Lactobacillus acidophilus exerted differential immune modulating effects on T cell immune responses induced by an oral human rotavirus vaccine in gnotobiotic pigs.

Postbiotic Metabolites: The New Frontier in Microbiome Science

Production of experimental ulcerative colitis in gnotobiotic guinea pigs with simplified microflora.

The role of Blastocystis hominis in the activation of ulcerative colitis

On the basis of care product, the market is segmented into bedding, cages, feed, and other products (gnotobiotic equipment, water systems, water purification systems, and sound absorption panels).

Rat Model Market 2018 Dynamics Set For Rapid Growth and Trend by 2021

* Pathology of US Porcine Epidemic Diarrhea Virus Strain PC21Ain Gnotobiotic Pigs

Influenza C Virus in Cattle with Respiratory Disease, United States, 2016-2018

Bacterial composition and activity determines host gene-expression responses in gnotobiotic Atlantic cod (Gadus morhua) larvae.

MICROBIAL ECOLOGY OF THE BIVALVIA, WITH AN EMPHASIS ON THE FAMILY OSTREIDAE

Gnotobiotic zebrafish reveal evolutionary conserved, responses to the gut microbiota.

Occurrence and diversity of yeast species isolated from fish feed and tambatinga gut

Methods for the study of plant-parasitic nematodes in gnotobiotic root culture.

Caenorhabditis elegans as an indicator of toxicity of Bacillus thuringiensis strains to Meloidogyne incognita race 3/Caenorhabditis elegans como indicador de toxicidade de estirpes de Bacillus thuringiensis a Meloidogyne incognita raca 3

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