Impact of an urban effluent on antibiotic resistance of riverine Enterobacteriaceae and Aeromonas spp

Article Abstract:

Water runoff from urban areas may increase the rates of antibiotic resistance in microorganisms in rivers and streams. In a study on the Arga river in Spain, rates of drug resistance increased downstream from a wastewater discharge plant.

Causes of, Drug resistance in microorganisms, Microbial drug resistance, Urban runoff

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Rapid identification of Listeria species by using restriction fragment length polymorphism of PCR-amplified 23S rRNA gene fragments

Article Abstract:

A molecular method based on restriction fragment length polymorphism (RFLP) of PCR-amplified fragments of the 23S rRNA gene was designed to rapidly identify Listeria strains to the species level. The PCR-RFLP method provides raid, easy-to-use and reliable identification of the six Listeria species and can detect mixtures of Listeria species, being particularly adapted to environmental and food microbiology.

Science & research, Research, Genetic aspects, Ribosomal RNA, Genetic polymorphisms, Listeria

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Occurrence of Listeria spp. in effluents of French urban wastewater treatment plants

Article Abstract:

Listeria spp. were found in most treated waters and raw sludge of six French urban, wastewater treatment plants and one composting facility, examined over a 1-year period. Most strains belonged to Listeria monocytogenes, serotypes 4b/4e being predominant.

Evaluation, Sewage disposal plants, Sewage, Listeria monocytogenes, Sewage treatment

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