Zoogloea oryzae sp. nov., a nitrogen-fixing bacterium isolated from rice paddy soil, and reclassification of the strain ATCC 19623 as Crabtreella saccharophila gen. nov., sp. nov

International Journal of Systematic and Evolutionary Microbiology
Cheng-Hui Xie, Akira Yokota

Abstract

Two strains of free-living diazotrophs isolated from soil from a rice paddy field were characterized by using a polyphasic approach. The novel strains, A-7T and A-4, were found to be very closely related, with 99.9% 16S rRNA gene sequence similarity and a DNA-DNA hybridization value of 89.5%, suggesting that they represent a single species. 16S rRNA gene sequence analyses indicated that the two strains fell within the Zoogloea lineage, with less than 96.7 % sequence similarity to other Zoogloea species. Chemotaxonomic characteristics of the novel strains, including DNA G + C content (65.1 mol%), the major quinone system (Q-8), predominant fatty acids (16:1omega7c and 16:0) and major hydroxy fatty acids (3-OH 10:0 and 3-OH 12:0), are similar to those of the genus Zoogloea. The novel strains showed positive results for floc formation which is accepted as confirmatory for species of the genus Zoogloea. However, the novel strains can be distinguished from the other species of Zoogloea by physiological characteristics. The name Zoogloea oryzae sp. nov. is therefore proposed for the novel strains with strain A-7T (= IAM 15218T = CCTCC AB 2052005T) as the type strain. Phylogenetic and chemotaxonomic analyses indicate that strain ATCC ...Continue Reading

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Oct 16, 2004·The Journal of General and Applied Microbiology·Cheng Hui Xie, Akira Yokota
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Citations

Oct 22, 2013·Archives of Microbiology·Zhen YuLi Zhuang
Aug 12, 2009·Journal of Industrial Microbiology & Biotechnology·Yaohui BaiXiaoyan Tang
Feb 13, 2016·Standards in Genomic Sciences·Anja PoehleinDiliana D Simeonova
Jul 25, 2009·Infection, Genetics and Evolution : Journal of Molecular Epidemiology and Evolutionary Genetics in Infectious Diseases·Adrian M Whatmore
Oct 25, 2014·International Journal of Systematic and Evolutionary Microbiology·Milán FarkasSándor Szoboszlay
Feb 27, 2009·International Journal of Systematic and Evolutionary Microbiology·Yongqi ShaoChe Ok Jeon
Oct 10, 2008·International Journal of Systematic and Evolutionary Microbiology·Srinivasan Krishnamurthi, T Chakrabarti
Oct 26, 2014·World Journal of Microbiology & Biotechnology·Chunsheng QiuJianping Wen
Dec 3, 2016·International Journal of Systematic and Evolutionary Microbiology·Chi-Te LiuChiu-Chung Young
Oct 28, 2017·Standards in Genomic Sciences·Emilie E L MullerPaul Wilmes
Jul 1, 2017·The Journal of Microbiology·Ji Young KangKwang Yeop Jahng

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