Ecology, virulence factors and diversity of Escherichia coli isolated from ballast water, ports areas and bivalves samples in Brazil. / Ecologia, fatores associados à virulência e diversidade de Escherichia coli isolados de amostras de água de lastro, água de regiões portuárias e moluscos bivalves no Brasil.

AUTOR(ES)
DATA DE PUBLICAÇÃO

2009

RESUMO

Escherichia coli was isolated from ballast water, port areas water and bivalves samples. 49.6% (164/331) had multiple antibiotics resistant varied from 2 to 8 antibiotics. From seven virulence associated factors investigated: heat stable toxin (ST), heat labile toxin (LT), aggregative adhesion (EAEC), invasion factor (INV), Shiga-like I toxin (STx-1), Shiga-like II toxin (STx-2), and the gene that codify for intimin (eae): 4 isolates had homology to the EAEC, 3 for eae gene, 3 for ST and one for stx2. A total of 80.0% (24/30), 72.3% (68/94) and 75.3% (55/73) of E. coli isolates from ballast water, port area water and bivalves samples had plasmids, respectively. The ERIC-PCR was more efficiency to analyze the groups. The presence of E. coli isolates with the characteristics found will allow evaluate the hazard present at the coast area ecosystem and ballast water samples and sanitary surveillance programs must be implemented for human, animal and aquatic ecosystem health protection.

ASSUNTO(S)

escherichia coli antibiotics (resistance) water escherichia coli microbiology virulence (factors) Água antibióticos (resistência) virulência (fatores) ballast microbiologia eric - pcr plasmídeos plasmids eric - pcr lastro

ACESSO AO ARTIGO

Documentos Relacionados