DNA PROBES;
TETRACYCLINE-RESISTANT BACTERIA;
CATFISH PONDS;
D O I:
10.1016/S0890-8508(95)91572-9
中图分类号:
Q5 [生物化学];
学科分类号:
071010 ;
081704 ;
摘要:
DNA probes were used to examine tetracycline-resistant Gram-negative bacteria (281 strains representing eight species) from catfish ponds. The isolates, which did not previously hybridize with the Tet A, B and C determinants, were examined for the presence of tetracycline-resistance Tet D and Tet E determinants. The distribution of the Tet D determinant ranged from 0 to 83%, depending on the bacterial species. Tet E was found only in 69% of Aeromonas hydrophila isolates. Eighteen per cent failed to hybridize with any of the five Tet determinants. (C) 1995 Academic Press Limited