Physiological characterization of Mycobacterium sp. strain 1B isolated from a bacterial culture able to degrade high-molecular-weight polycyclic aromatic hydrocarbons

Journal of Applied Microbiology
C E DandieN C McClure

Abstract

The aim of this study was to further characterize a bacterial culture (VUN 10,010) capable of benzo[a]pyrene cometabolism. The bacterial culture, previously characterized as a pure culture of Stenotrophomonas maltophilia (VUN 10,010), was found to also contain another bacterial species (Mycobacterium sp. strain 1B), capable of degrading a similar range of PAH substrates. Analysis of its 16S rRNA gene sequence and growth characteristics revealed the strain to be a fast-growing Mycobacterium sp., closely related to other previously isolated PAH and xenobiotic-degrading mycobacterial strains. Comparison of the PAH-degrading characteristics of Mycobacterium sp. strain 1B with those of S. maltophilia indicated some similarities (ability to degrade phenanthrene and pyrene), but some differences were also noted (S. maltophilia able to degrade fluorene, but not fluoranthene, whereas Mycobacterium sp. strain 1B can degrade fluoranthene, but not fluorene). Unlike the S. maltophilia culture, there was no evidence of benzo[a]pyrene degradation by Mycobacterium sp. strain 1B, even in the presence of other PAHs (ie pyrene) as co-metabolic substrates. Growth of Mycobacterium sp. strain 1B on other organic carbon sources was also limited compa...Continue Reading

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Citations

Sep 1, 2005·Microbial Ecology·Yong-Hak KimCarl E Cerniglia
Sep 10, 2005·Applied Microbiology and Biotechnology·C E DandieS M Thomas
Jan 7, 2011·Applied Microbiology and Biotechnology·Xiao-Ying LuHerbert Han-Ping Fang
Mar 30, 2013·International Biodeterioration & Biodegradation·Shumei GaoQing X Li
Nov 17, 2009·Journal of Bioscience and Bioengineering·Piriya KlankeoOnruthai Pinyakong
Nov 18, 2015·Journal of Environmental Sciences (China)·Zhenyu WangMin Yang
Jun 21, 2007·Journal of Applied Microbiology·C D MillerA J Anderson
Jan 25, 2011·Microbial Biotechnology·Robert A Kanaly, Shigeaki Harayama
Mar 11, 2017·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Chun-Hua LiXu-Yi Cai
Jun 7, 2019·Environmental Science and Pollution Research International·Arti MishraIndu Shekhar Thakur
Dec 21, 2018·Frontiers in Microbiology·Maqshoof AhmadSvein Ø Solberg

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