1982
DOI: 10.1128/aac.22.5.889
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Susceptibility of Bacteroides spp. to heavy metals

Abstract: The susceptibility of 105 strains of Bacteroides to arsenate, silver, nickel, cobalt, lead, cadmium, chromium, and mercuric ions was tested by using an agar dilution technique. All strains of Bacteroides were multiply resistant. Bacteroides fragilis was significantly more resistant to silver ions than other Bacteroides species and slightly more resistant to several other ions. Arsenate was the most active ion tested, with 75% of strains being susceptible. All 25 strains of B. fragilis tested against silver sul… Show more

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Cited by 22 publications
(23 citation statements)
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“…Comparative activities of mercuric, cobalt, nickel and chromium chlorides when tested against all organisms were almost identical to those found by Riley and Mee (1982) who examined the activity of the same metals against Bacteroides spp. We found no difference in the susceptibility of the various test species to each compound.…”
Section: Discussionsupporting
confidence: 63%
“…Comparative activities of mercuric, cobalt, nickel and chromium chlorides when tested against all organisms were almost identical to those found by Riley and Mee (1982) who examined the activity of the same metals against Bacteroides spp. We found no difference in the susceptibility of the various test species to each compound.…”
Section: Discussionsupporting
confidence: 63%
“…However, the action mechanisms of several chemical agents including the metals on microorganisms have been studied, but their real inhibitory action remains still unclear (10). Moreover, metals can act as oxidant of important enzymes and proteins of the bacterial metabolism (18).…”
Section: Discussionmentioning
confidence: 99%
“…WhUe it would appear that there is a higher incidence of arsenate resistance in plasmidcontaining Bacteroides (35% compared to 17%), this difference was not statistically significant. Together with the fact that there was not a bimodal distribution of susceptibility, the data would indicate that heavy metal resistance in Bacteroides is intrinsic, rather than plasmid-borne, as was suggested previously (Riley and Mee, 1982b).…”
Section: Discussionmentioning
confidence: 51%
“…Heavy-metal resistance in Bacteroides has been reported (Riley and Mee, 1982b) and Wallace et al (1981) …”
mentioning
confidence: 97%
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