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Int J Syst Evol Microbiol 55 (2005), 1973-1977; DOI  10.1099/ijs.0.63516-0
© 2005 International Union of Microbiological Societies

Streptomyces bangladeshensis sp. nov., isolated from soil, which produces bis-(2-ethylhexyl)phthalate

M. Abdul Alim Al-Bari1, M. Shah Alam Bhuiyan1,2, María Elena Flores3, Pavel Petrosyan3, Martín García-Varela4 and M. Anwar Ul Islam1

1 Department of Pharmacy, University of Rajshahi, Rajshahi-6205, Bangladesh
2 Laboratory of Molecular Biotechnology, Department of Biotechnology, The University of Tokyo, Yayoi 113-8657, Japan
3 Department of Molecular Biology and Biotechnology, Institute for Biomedical Research, UNAM, A.P. 70228, Mexico, D.F., 04510, Mexico
4 Department of Zoology, Institute of Biology, UNAM, México, D.F., 04510, Mexico

Correspondence
María Elena Flores
mefc{at}servidor.unam.mx

The taxonomic position of an actinomycete strain isolated from soil from Natore, Bangladesh, was examined by using a polyphasic approach. The strain, designated AAB-4T, was assigned to the genus Streptomyces on the basis of chemical and morphological criteria. It formed Rectiflexibiles aerial hyphae that carried long chains of rounded spores. The 16S rRNA gene of strain AAB-4T was sequenced directly and then compared with those of previously studied streptomycetes following the generation of two phylogenetic trees by using maximum-likelihood and neighbour-joining algorithms. This confirmed the assignment of the novel strain to the genus Streptomyces. This strain showed a high level of 16S rRNA gene sequence similarity to Streptomyces thermoviolaceus, Streptomyces thermodiastaticus and Streptomyces longisporus, among others, but could be distinguished from them by phenotypic and physiological traits. This micro-organism produces bis-(2-ethylhexyl)phthalate, an antibacterial and antifungal agent. It is proposed that strain AAB-4T be classified as a novel species within the genus Streptomyces, as Streptomyces bangladeshensis sp. nov. (type strain, AAB-4T=LMG 22738T=NRRL B-24326T).

Published online ahead of print on 6 May 2005 as DOI 10.1099/ijs.0.63516-0.

The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of Streptomyces bangladeshensis strain AAB-4T (=LMG 22738T=NRRL B-24326T) is AY750056.

A neighbour-joining dendrogram is available as a supplementary figure in IJSEM Online.




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W. N. Hozzein and M. Goodfellow
Streptomyces synnematoformans sp. nov., a novel actinomycete isolated from a sand dune soil in Egypt
Int J Syst Evol Microbiol, September 1, 2007; 57(9): 2009 - 2013.
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