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1 College of Agriculture and Natural Resources, Department of Soil and Environmental Sciences, National Chung Hsing University, 250 Kuo Kuang Road, Taichung 402, Taiwan, Republic of China
2 Institut für Angewandte Mikrobiologie, Universität Giessen, Giessen, Germany
3 Institut für Bakteriologie, Mykologie und Hygiene, Veterinärmedizinische Universität, Wien, Austria
Correspondence
Chiu-Chung Young
ccyoung{at}mail.nchu.edu.tw
A pale-pink strain (CC-FR2-10T) from the rhizosphere of the sacred tree Ficus religiosa L. in Taiwan was investigated by using a polyphasic taxonomic approach. The cells were Gram-positive, rod-shaped and non-spore-forming. Phylogenetic analyses using the 16S rRNA gene sequence of the isolate indicated that the organism belongs to the genus Deinococcus, the highest sequence similarities being found with Deinococcus grandis (96·1 %), Deinococcus radiodurans (94·3 %), Deinococcus radiopugnans (93·2 %), Deinococcus indicus (93·0 %), Deinococcus proteolyticus (92·5 %), Deinococcus murrayi (92·4 %) and Deinococcus geothermalis (90·7 %). The DNADNA relatedness with respect to D. grandis DSM 3963T was 17·9 %. Chemotaxonomic data revealed that strain CC-FR2-10T contains only menaquinone MK-8 as the respiratory quinone, unknown phosphoglycolipids as the predominant polar lipids and 16 : 1
7c, 17 : 1
8c and 17 : 1
9c iso as the predominant fatty acids. The biochemical and chemotaxonomic properties demonstrate that strain CC-FR2-10T represents a novel species, for which the name Deinococcus ficus sp. nov. is proposed. The type strain is CC-FR2-10T (=CCUG 53391T=CIP 108832T).
The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of strain CC-FR2-10T is AY941086.
A supplementary table showing the fatty acid profiles of strain CC-FR2-10T and representative Deinococcus species and a phylogenetic tree constructed using maximum parsimony are available as supplementary material in IJSEM Online.
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