Pseudomonas

Diversity of propanil-degrading bacteria isolated from rice rhizosphere and their potential for plant growth promotion

A. R. L. Procópio, Procópio, R. E. L., Pizzirani-Kleiner, A. A., and Melo, I. S., Diversity of propanil-degrading bacteria isolated from rice rhizosphere and their potential for plant growth promotion, vol. 11, pp. 2021-2034, 2012.

The herbicide propanil has long been used in rice production in southern Brazil. Bacteria isolated from contaminated soils in Massaranduba, Santa Catarina, Brazil, were found to be able to grow in the presence of propanil, using this compound as a carbon source. Thirty strains were identified as Pseudomonas (86.7%), Serratia (10.0%), and Acinetobacter (3.3%), based on phylogenetic analysis of 16S rDNA.

Efflux as a mechanism of resistance to antimicrobials in Pseudomonas aeruginosa and related bacteria: unanswered questions

H. P. Schweizer, Efflux as a mechanism of resistance to antimicrobials in Pseudomonas aeruginosa and related bacteria: unanswered questions, vol. 2. pp. 48-62, 2003.

Pseudomonas aeruginosa is an opportunistic human pathogen exhibiting innate resistance to multiple antimicrobial agents. This intrinsic multidrug resistance is caused by synergy between a low-permeability outer membrane and expression of a number of broadly-specific multidrug efflux (Mex) systems, including MexAB-OprM and MexXY-OprM.

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