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- Volume 67, Issue 10
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f Edaphobacter acidisoli sp. nov., an acidobacterium isolated from forest soil
- Authors: Fan Xia1 , Yu-min Cai1 , Dong-xia Chen1 , Li-hong Qiu1
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- VIEW AFFILIATIONS
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1 State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, PR China
- *Correspondence: Li-hong Qiu [email protected]
- First Published Online: 25 September 2017, International Journal of Systematic and Evolutionary Microbiology 67: 4260-4265, doi: 10.1099/ijsem.0.002300
- Subject: New taxa - Other Bacteria
- Received:
- Accepted:
- Cover date:




Edaphobacter acidisoli sp. nov., an acidobacterium isolated from forest soil, Page 1 of 1
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Two strains, 4G-K17T and 4G-K15, were isolated from forest soil from the Dinghushan Biosphere Reserve, Guangdong Province, PR China (112° 31′ E 23° 10′ N). The cells of the two strains were Gram-stain-negative, aerobic and non-motile short rods that multiplied by binary division. Strains 4G-K17T and 4G-K15 were obligately acidophilic, mesophilic bacteria capable of growth at pH 3.0–7.0 (optimum 4.0–5.5 and 3.5–5.5, respectively), temperature 12–42 °C (optimum 28 °C) and NaCl concentrations from 0~2.5 % and 0~3.0 % (w/v), respectively. They had a 16S rRNA gene sequence similarity of 99.2 % and showed the highest similarities of 97.1 and 97.4 % to Edaphobacter aggregans Wbg-1T, respectively, which indicated that these two isolates belonged to a novel species of the genus Edaphobacter in subdivision 1 in the family Acidobacteriaceae. The DNA G+C contents of strains 4G-K17T and 4G-K15 were 57.6 and 57.2 %, respectively. They had similar fatty acid profiles, with the major (>10 %) fatty acid profile comprising iso-C15 : 0, C16 : 0 and summed feature 3 (iso-C16 : 1ω7c and/or C16 : 1ω6c), and the major polar lipid profile comprising phosphatidylethanolamine, diphosphatidylglycerol, phosphatidylglycerol, unidentified aminophospholipids and unidentified phospholipids. All physiological, phylogenetic and chemotaxonomic data suggest that strains 4G-K17T and 4G-K15 belong to a new species of the genus Edaphobacter , for which the name Edaphobacter acidisoli sp. nov. is proposed, with 4G-K17T (=CGMCC 1.15447=LMG 29212) as the type strain.
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The GenBank/EMBL/DDBJ accession numbers for the 16S rRNA gene sequences of strains 4G-K17T and 4G-K15 are KY457230 and KY457229, respectively
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One supplementary table and two supplementary figures are available with the online Supplementary Material.
- Keyword(s): phylogeny, Edaphobacter, acidophilic
© 2017 IUMS | Published by the Microbiology Society
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