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Int J Syst Evol Microbiol 57 (2007), 1256-1260; DOI  10.1099/ijs.0.63974-0
© 2007 International Union of Microbiological Societies

Cellulomonas composti sp. nov., a cellulolytic bacterium isolated from cattle farm compost

Myung-Suk Kang1, Wan-Taek Im1, Hae-Min Jung1, Myung Kyum Kim1,2, Michael Goodfellow3, Kwang Kyu Kim1, Hee-Chan Yang1,4, Dong-Shan An1 and Sung-Taik Lee1

1 Department of Biological Sciences, Korea Advanced Institute of Science and Technology (KAIST), Guseong-dong 373-1, Yuseong-gu, Daejeon 305-701, Republic of Korea
2 Department of Oriental Medicinal Materials and Processing, College of Life Science, Kyung Hee University, 1 Seocheon, Kihung Yongin, Kyunggi 449-701, Republic of Korea
3 School of Biology, King George VI Building, University of Newcastle, Newcastle upon Tyne NE1 7RU, UK
4 Mount On Science Co. Ltd, Guseong-dong 373-1, Yuseong-gu, Daejeon 305-701, Republic of Korea

Correspondence
Sung-Taik Lee
e_stlee{at}kaist.ac.kr

A bacterial strain, TR7-06T, which has cellulase and beta-glucosidase activities, was isolated from compost at a cattle farm near Daejeon, Republic of Korea. It was a Gram-positive, aerobic or facultatively anaerobic, non-motile, rod-shaped bacterium. Phylogenetic analysis based on 16S rRNA gene sequences showed that this strain belongs to the genus Cellulomonas, with highest sequence similarity to Cellulomonas uda DSM 20107T (98.5 %). Cell wall analysis revealed the presence of type A4beta, L-orn–D-Glu peptidoglycan. The cell-wall sugars detected were mannose and glucose. The predominant menaquinone was MK-9(H4); MK-8(H4) was detected in smaller quantities. The major fatty acids were anteiso-C15 : 0, C16 : 0, C14 : 0 and C18 : 0. The polar lipids detected were diphosphatidylglycerol, phosphatidylethanolamine and phosphatidylinositol. The results of DNA–DNA hybridization and physiological and biochemical tests clearly demonstrated that TR7-06T represents a novel species. The combined genotypic and phenotypic data show that strain TR7-06T (=KCTC 19030T=NBRC 100758T) merits description as the type strain of a novel Cellulomonas species, Cellulomonas composti sp. nov.

The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of strain TR7-06T is AB166887.

API ID32 test results for strain TR7-06T and related Cellulomonas strains are available with the online version of this paper.




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