Spirosoma montaniterrae sp. nov., an ultraviolet and gamma radiation-resistant bacterium isolated from mountain soil

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• 作者：Jae-Jin Lee ; Myung-Suk Kang ; Eun Sun Joo ; Myung Kyum Kim…
• 关键词：Cytophagaceae ; Spirosoma montaniterrae ; radiation ; resistant ; taxonomy
• 刊名：Journal of Microbiology
• 出版年：2015
• 出版时间：July 2015
• 年：2015
• 卷：53
• 期：7
• 页码：429-434
• 全文大小：397 KB
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• 作者单位：Jae-Jin Lee (1)
  Myung-Suk Kang (2)
  Eun Sun Joo (1)
  Myung Kyum Kim (1)
  Wan-Taek Im (3)
  Hee-Young Jung (4)
  Sathiyaraj Srinivasan (1)
  
  1. Department of Bio & Environmental Technology, College of Natural Science, Seoul Women’s University, Seoul, 139-774, Republic of Korea
  2. Microorganism Resources Division, National Institute of Biological Resources, Incheon, 404-170, Republic of Korea
  3. Department of Biotechnology, Hankyong National Univeristy, Kyonggi-do, 456-749, Republic of Korea
  4. College of Agricultural and Life Sciences, Kyungpook National University, Daegu, 702-701, Republic of Korea
  
• 刊物主题：Microbiology;
• 出版者：Springer Netherlands
• ISSN：1976-3794

文摘

A Gram-negative, yellow-pigmented, long-rod shaped bacterial strain designated DY10T was isolated from a soil sample collected at Mt. Deogyusan, Jeonbuk province, South Korea. Optimum growth observed at 30°C and pH 7. No growth was observed above 1% (w/v) NaCl. Comparative 16S rRNA gene sequence analysis showed that strain DY10T belonged to the genus Spirosoma and was distantly related to Spirosoma arcticum R2-5T (91.0%), Spirosoma lingual DSM 74T (90.8%), Spirosoma endophyticum EX36T (90.7%), Spirosoma panaciterrae DSM 21099T (90.5%), Spirosoma rigui WPCB118T (90.2%), Spirosoma spitsbergense DSM 19989T (89.8%), Spirosoma luteum DSM 19990T (89.6%), Spirosoma oryzae RHs22T (89.6%), and Spirosoma radiotolerans DG5AT (89.1%). Strain DY10T showed resistance to gamma and ultraviolet radiation. The chemotaxonomic characteristics of strain DY10T were consistent with those of the genus Spirosoma, with the quinone system with MK-7 as the predominant menaquinone, iso-C15:0, C16:1 ω5c, and summed feature3 (C16:1 ω7c/C16:1 ω6c), and phosphatidylethanolamine as the major polar lipid. The G+C content of the genomic DNA was 53.0 mol%. Differential phenotypic properties with the closely related type strains clearly distinguished strain DY10T from previously described members of the genus Spirosoma and represents a novel species in this genus, for which the name Spirosoma montaniterrae sp. nov. is proposed. The type strain is DY10T (=KCTC 23999T =KEMB 9004-62T =JCM 18492T).