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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 ?
During this study seven wheat genotypes were evaluated as antixenosis, antibiosis and tolerance.
with the host (Kubicek et al, 2001), or antibiosis, antibiosis by producing an antibiotic 6-pentyl-a-pyrone (6PP), and peptaibol heptilidic acid (Vinale et al, 2008), competition for nutrients and space, and induce local and systemic resistance of the plant (Harman, 2006).
Antibiosis, production of antibiotic compounds and inhibition of other microbes, is the most important mechanism expressed by the antagonistic bacteria [12].
2014a) performed a study on the selection of genotypes resistant to Spodoptera eridania (Stoll) (Lepidoptera: Noctuidae) and observed antibiosis in the genotypes PI 227687 and PI 227682.
The species of the genus Trichoderma have received scientific and economic attention due to their antagonistic actions against various pathogens, such as parasitism, antibiosis and competition (Martinez et al.
Previous research has shown that resistance to antibiosis strongly affects the banana root borer, since it can influence larval development (ABERA, 2000; NIGHT et al.
Because of certain properties of metal flavonoid complexes such as synergic effect of metal ions and flavonoids, access to target spots as well as strong binding forces produced from the change in complex structure may contribute to many biological activities for instance, anti-tumor, antivirus, antibiosis, anti-free radical and anti-inflammatory [8].
We know from numerous studies that chlorhexidine is superior to iodine, but we also have found that with these wipes you get a level of antibiosis on the skin surface that decreases surgical site infections at the time of incisions," Dr.
Comparative genomic studies of the causal agents and of their antagonists might reveal genes involved in virulence and genes involved in antibiosis.
2002), besides the previously mentioned factors, one of the most important indicators of antibiosis is larval death, which can be evidenced by the low number of emerged adults, as in the case of BR-IRGA 409, IRGA 424, IRGA 427 and IRGA 425, which showed the lowest values of emerged insects.