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commensalism
(redirected from Commensal bacteria)

   Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.

commensalism

In biology, a relationship between two species whereby one (the commensal) benefits from the association, whereas the other neither benefits nor suffers. For example, certain species of millipede and silverfish inhabit the nests of army ants and live by scavenging on the refuse of their hosts, but without affecting the ants.



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In fact, high resistance rates have often been reported in surveillance studies dealing with clinical isolates (1,4,5) and in prevalence studies of commensal bacteria taken as indicators to estimate spread of acquired resistance (6-15).
The use of antibiotics for nontherapeutic purposes such as growth promotion has been shown to select for resistance to high concentrations of antibiotics in both pathogenic and commensal bacteria in swine (Aarestrup et al.
SIGA's lead product development programs focus on biological warfare defense, mucosal vaccines for strep throat and sexually transmitted diseases, commensal bacteria for the delivery of vaccines and protein therapeutics and novel antibiotics for gram positive and gram negative bacteria.
 
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