Tannery effluent is a major source of aquatic pollution in India. Hexavalent chromium compounds are being used in a wide variety of commercial processes and unregulated disposal of the chromium containing effluent has led to the contamination of soil, sediment, surface and ground waters. In trace amounts, chromium is considered an essential nutrient for numerous organisms, but at higher level, ...

A total of 59 Pseudomonas isolates was obtained from 11 samples of diseased fleece taken from live sheep. All but four of the isolates could be assigned to one of nine Pseudomonas species, of which P. aeruginosa, P. alcaligenes, P. mendocina , and P. putida were the most common. P. aeruginosa was found in four of the fleece samples and, when present, appeared to predominate. Although several of...

Root colonization by plant-growth-promoting rhizobacteria (PGPR) can be increased depending on the type of rhizosphere. The aim of the present study was to determine fluorescent Pseudomonad diversity in lettuce, parsley, arugula and chicory. Roots from these rhizospheres were sampled at different properties of small commercial producers in Campinas, state of Sao Paulo, Brazil. In the diversity ...