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Identification of denitrifier strain T1 as Thauera aromatica and proposal for emendation of the genus Thauera definition

Biotechnology Center for Agriculture and the Environment, Foran Hall, Rutgers University, Cook College, 59 Dudley Road, New Brunswick, NJ 08901–8520, USA

Author for correspondence: Norberto J. Palleroni. Tel: +1 908 932 8165 ext. 317. Fax: +1 908 932 0312. e-mail: Palleroni{at}aesop.rutgers.edu

ABSTRACT

Bacterial strain T1, originally isolated by P. J. Evans on the basis of its capacity for toluene degradation under denitrifying conditions, has been classified as Thauera aromatica. In a comprehensive study of strains of this species, it was found that the cells have a different type of flagellar insertion from that of cells of the type species of the genus, Thauera selenatis, suggesting the convenience of an emendation of the description of the genus Thauera. Further studies on a larger collection of strains with the above characteristics may serve in the future as the basis for the creation of a new generic designation.

Key Words: Thauera aromatica • denitrification • degradation • bioremediation • environment

The GenBank accession number for the T1 16S rRNA sequence is U95176 (Banklt104674).

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