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 (ăn′tē-bī-ō′sĭs, ăn′tī-)
1. An association between two or more organisms that is detrimental to at least one of them.
2. The antagonistic association between an organism and the metabolic substances produced by another.


(Biology) an association between two organisms, esp microorganisms, that is harmful to one of them


(ˌæn ti baɪˈoʊ sɪs, ˌæn taɪ-)

an association between organisms that is injurious to one of them.


a relationship or association between two or more organisms that is harmful to one of them. Cf. symbiosis.
See also: Organisms
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.antibiosis - an association between organisms that is harmful to one of them or between organisms and a metabolic product of another
association - (ecology) a group of organisms (plants and animals) that live together in a certain geographical region and constitute a community with a few dominant species
References in periodicals archive ?
Average nursing care costs during antibiosis were $750 higher in patients with aminoglycoside peak concentrations [less than or equal to]4.
Plants responsible for antibiosis resistance may cause reduced insect survival, prolonged development time, decreased size, and reduced fitness of new-generation adults (Sarfraz et al.
This antagonistic mechanism may be due to antibiosis or production of siderophores or both [23].
Actinomycetes play a vital role in the soil such as immobilization of nutrient, antibiosis, mineralization of organic matters, and production of plant promoters [2,20].
Among the topics are a comparative analysis of antibiotic effect of silver nitrate and silver nanoparticles synthesized from Penicillium fellutanum, hydroxyapatite nanocomposites for biological application, extracting extracellular polysaccharides from mold fungi isolated from city houses and its antibiosis against pathogenic bacteria, the large scale production of magnesium oxide nanostructures and their possible applications, and the reduction kinetics of chromite pellets.
Louis Pasteur and Robert Koch first characterized antibiosis, the ability for a chemical to kill bacterial cells, in 1877.
Other complementary technologies were arising at the same time, including selective coronary angiography (to identify and locate high-grade occlusion), the cardiopulmonary bypass "pump" ("heart/lung" machine), and startling advances in anesthesia and antibiosis.
Coptis chinensis is a good source of berberine, which is one of the most active polyphenols in herb extracts, exhibits various antioxidant and antibiosis properties (Salah et al.
Protection of cucumber against Pythium root rot by fluorescent pseudomonads: predominant role of induced resistance over siderophores and antibiosis.
Beta-lactam antibiotics: from antibiosis to resistance and bacteriology.
Thymol antibiosis has been linked to multiple membrane associated mechanisms of action.
The utilization of fungal extracts for wood protection is mainly involved in those fungi with antibiosis mechanisms; that antagonists secrete metabolites harmful to other organisms.