Metabolic characterization of a strain (BM90) of Delftia tsuruhatensis showing highly diversified capacity to degrade low molecular weight phenols

Biodegradation
Belén Juárez-JiménezM Fenice

Abstract

A novel bacterium, strain BM90, previously isolated from Tyrrhenian Sea, was metabolically characterized testing its ability to use 95 different carbon sources by the Biolog system. The bacterium showed a broad capacity to use fatty-, organic- and amino-acids; on the contrary, its ability to use carbohydrates was extremely scarce. Strain BM90 was identified and affiliated to Delftia tsuruhatensis by molecular techniques based on 16S rRNA gene sequencing. D. tsuruhatensis BM90, cultivated in shaken cultures, was able to grow on various phenolic compounds and to remove them from its cultural broth. The phenols used, chosen for their presence in industrial or agro-industrial effluents, were grouped on the base of their chemical characteristics. These included benzoic acid derivatives, cinnamic acid derivatives, phenolic aldehyde derivatives, acetic acid derivatives and other phenolic compounds such as catechol and p-hydroxyphenylpropionic acid. When all the compounds (24) were gathered in the same medium (total concentration: 500 mg/l), BM90 caused the complete depletion of 18 phenols and the partial removal of two others. Only four phenolic compounds were not removed. Flow cytometry studies were carried out to understand the phys...Continue Reading

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Citations

Sep 22, 2010·Archives of Microbiology·María A MorelSusana Castro-Sowinski
Apr 6, 2012·Current Microbiology·Martha C UbaldeSusana Castro-Sowinski
May 30, 2019·Frontiers in Microbiology·Valentina Hurtado-McCormickJustin Robert Seymour
Nov 5, 2017·Microbial Cell Factories·Juan Carlos Leyva-DíazMassimiliano Fenice
Feb 21, 2018·Emerging Infectious Diseases·Alexandre RancFlorence Fenollar
Nov 5, 2019·Frontiers in Microbiology·Noa Tejman-YardenIsrael Nissan

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