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Titolo:
Lactobacilli isolation from dental plaque and saliva of a group of patients with caries and characterization of their surface properties
Autore:
Ahumada, MD; Lopez, ME; Colloca, ME; Nader-Macias, ME;
Indirizzi:
CERELA, Ctr Referencia Lactobacilos, CONICET, RA-4000 San Miguel De Tucuman, Tucuman, Argentina CERELA San Miguel De Tucuman Tucuman Argentina RA-4000 Tucuman, Argentina Univ Nacl Tucuman, RA-4000 San Miguel De Tucuman, Tucuman, Argentina Univ Nacl Tucuman San Miguel De Tucuman Tucuman Argentina RA-4000 gentina
Titolo Testata:
ANAEROBE
fascicolo: 2, volume: 7, anno: 2001,
pagine: 71 - 77
SICI:
1075-9964(200104)7:2<71:LIFDPA>2.0.ZU;2-Q
Fonte:
ISI
Lingua:
ENG
Soggetto:
HYDROPHOBICITY; ADHESION; BACTERIA; HEMAGGLUTINATION; ADHERENCE; THERAPY; FLORA; CASEI;
Keywords:
lactobacilli; surface characteristics; hydrophobicity; dental caries; teeth; saliva;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Life Sciences
Citazioni:
33
Recensione:
Indirizzi per estratti:
Indirizzo: Nader-Macias, ME CERELA, Ctr Referencia Lactobacilos, CONICET, Chacabuco 145, RA-4000 San Miguel De Tucuman, Tucuman, Argentina CERELA Chacabuco 145 San Miguel De Tucuman Tucuman Argentina RA-4000
Citazione:
M.D. Ahumada et al., "Lactobacilli isolation from dental plaque and saliva of a group of patients with caries and characterization of their surface properties", ANAEROBE, 7(2), 2001, pp. 71-77

Abstract

The oral cavity is a complex ecosystem colonized by micro-organisms which play different roles. The aims of this study were to identify Lactobacillusstrains from the teeth and saliva of children lacking in dental care and to study the surface characteristics related to the adhesion capability of these micro-organisms. The population considered is from Tucuman, Argentina. It is characterized by a dmfs index over 5 and an absence of dental care. Lactobacilli were isolated and identified by microscopic observations, biochemical tests and modified API CH 50. Bacterial surface studies included: hydrophobicity, acid and basic characteristics, blood cell agglutination andsalt aggregation. Thirty strains were isolated. The major group was facultative heterofermentative. The surface characteristic studies did not indicate that lactobacilli are hydrophobic, neither do they show high basic nor acid charges. Lactobacilli isolated from saliva auto-agglutinated and also agglutinated ABO red blood cells. Salt aggregation was not a characteristic property. In this preliminary work, lactobacilli from teeth and saliva fromthis specific population were not demonstrated to have relevant adhesion properties. (C) 2001 Academic Press.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 31/05/20 alle ore 13:33:37