Identification of Bacillus kaustophilus, Bacillus thermocatenulatus and Bacillus strain HSR as members of Bacillus thermoleovorans

Anwar Sunna, Sima Tokajian, Jutta Burghardt, Fred Rainey, Garabed Antranikian*, Fuad Hashwa

*Corresponding author for this work

Research output: Contribution to journalArticle

52 Citations (Scopus)

Abstract

An aerobic, endospore forming thermophilic microorganism was isolated from a soil sample in Jordan. The cells stained Gram-positive and the cylindrical spores are terminal and wider than the mother cell. Growth occurs at temperature values between 45°C and 70°C, with an optimum at 55°C. The optimum pH for growth is 7.0. The G + C content of the DNA is 50.4 mol% and the sequence analysis of the 16S rDNA shows that the new isolate is phylogenetically closely related to the members of the Bacillus rRNA Group 5. DNA-DNA hybridization studies revealed a high similarity between the new isolate and the thermophilic species of the above mentioned group. A number of thermophilic Bacillus species are combined on the basis of DNA-DNA hybridization data.

Original languageEnglish
Pages (from-to)232-237
Number of pages6
JournalSystematic and Applied Microbiology
Volume20
Issue number2
Publication statusPublished - 1997
Externally publishedYes

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