Isolamento de amebas de vida livre a partir de água mineral engarrafada

Abstract

RESUMO:Foram isoladas amebas dos gêneros Vahlkampfia, Glaeseria, Acanthamoeba, Filamoeba, Amoeba, Platyamoeba e Hartmanella de dez diferentes marcas de água mineral engarrafadas, servidas no Rio de Janeiro, RJ (Brasil). Somente uma das marcas foi negativa para protozoários, enquanto que de todas as outras foram isoladas amebas de vida livre. O significado desses resultados é discutido como um indicador de qualidade da água mineral usada comercialmente, destacando-se o fato de que alguns desses microorganismos são potencialmente patogênicos ,

Interactions of Foodborne Pathogens with Free‐living Protozoa: Potential Consequences for Food Safety

“…Most published papers report on free‐living amebae mainly because research attention was focused on this group of microorganisms. Especially in older studies, some researchers warned about the possible health effects after eating lettuce (Napolitano and Colletti‐Eggolt ) or drinking bottled mineral water (Rivera and others ; Salazar and others ) contaminated with acanthamoebae, a group of amebae, which includes some opportunistic pathogens (see next section). However, the infection route for Acanthamoeba spp.…”

“…Although most of the studies focused on amebae, flagellates and ciliates are also common inhabitants of engineered water systems (Poitelon and others ; Valster and others ; Otterholt and Charnock ). Not only drinking water supplied by public water services contains FLP, bottled mineral water has also tested positive for amebae (Desmet‐Paix ; Dive and others ; Rivera and others ; Salazar and others ; Fluviá and others ; Penland and Wilhelmus ), flagellates (Rivera and others ), and ciliates (Salazar and others ). The occurrence of FLP in mineral water is not surprising since FLP inhabit aquifers (Novarino and others ; Risse‐Buhl and others ).…”

Prevalence of potentially pathogenic free-living amoebae from Acanthamoeba and Naegleria genera in non-hospital, public, internal environments from the city of Santos, Brazil

“…Subclinical infections caused by these protozoa are probably common among healthy individuals, in whom protozoa harbored in the nose and throat can, in weaker periods, behave as facultative parasites [5,6]). In Brazil, cases of human diseases caused by these amoebae have been described [7][8][9][10] derived from water [11][12][13][14] and dust from external environments [15,16]. The few reports of FLA occurring in internal environments all involve hospitals [1,18].…”