Journal of Microbiology

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Bacillus daqingensis sp. nov., a Halophilic, Alkaliphilic Bacterium Isolated from Saline-Sodic Soil in Daqing, China: Shuang Wang , Lei Sun , Dan Wei , Baoku Zhou , Junzheng Zhang , Xuejia Gu , Lei Zhang , Ying Liu , Yidan Li , Wei Guo , Shuang Jiang , Yaqing Pan , Yufeng Wang; J. Microbiol. 2014;52(7):548-553. Published online May 30, 2014; DOI: https://doi.org/10.1007/s12275-014-3376-x

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An alkaliphilic, moderately halophilic, bacterium, designated strain X10-1T, was isolated from saline-alkaline soil in Daqing, Heilongjiang Province, China. Strain X10-1T was determined to be a Gram-positive aerobe with rod-shaped cells. The isolate was catalase-positive, oxidase-negative, non-motile, and capable of growth at salinities of 0–16% (w/v) NaCl (optimum, 3%). The pH range for growth was 7.5–11.0 (optimum, pH 10.0). The genomic DNA G+C content was 47.7 mol%. Its major isoprenoid quinone was MK-7 and its cellular fatty acid profile mainly consisted of anteiso-C15:0, anteiso-C17:0, iso-C15:0, C16:0, and iso-C16:0. The peptidoglycan contained meso-diaminopimelic acid as the diagnostic diamino acid. The predominant polar lipids were diphosphatidylglycerol, phosphatidylethanolamine, and phosphatidylglycerol. Phylogenetic analysis based on 16S rRNA gene sequences showed that X10-1T is a member of the genus Bacillus, being most closely related to B. saliphilus DSM15402T (97.8% similarity) and B. agaradhaerens DSM 8721T (96.2%). DNA-DNA relatedness to the type strains of these species was less than 40%. On the basis of the phylogenetic, physiological, and biochemical data, strain X10-1T represents a novel species of the genus Bacillus, for which the name Bacillus daqingensis sp. nov. is proposed. The type strain is X10-1T (=NBRC 109404T =CGMCC 1.12295T).

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Shuang Wang, Lei Sun, Manik Prabhu Narsing Rao, Guo-Hong Liu, Pin-Jiao Jin, Zhou-Yan Dong, Zheng-Han Lian, Xiao-Yu Hao, Ming-Yi Zhang, Wen-Jun Li
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Baisuo Zhao, Weidong Lu, Shanshan Zhang, Kang Liu, Yanchun Yan, Jun Li
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Shanshan Zhang, Zhaojun Li, Yanchun Yan, Chuanlun Zhang, Jun Li, Baisuo Zhao
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Microbially-driven strategies for bioremediation of bauxite residue
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NOTE] Lysinibacillus chungkukjangi sp. nov., Isolated from Chungkukjang, Korean Fermented Soybean Food: Soo-Jin Kim , Yun-Hee Jang , Moriyuki Hamada , Jae-Hyung Ahn , Hang-Yeon Weon , Ken-ichiro Suzuki , Kyung-Sook Whang , Soon-Wo Kwon; J. Microbiol. 2013;51(3):400-404. Published online June 28, 2013; DOI: https://doi.org/10.1007/s12275-013-2664-1

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Abstract

One bacterial strain 2RL3-2T was isolated from Chungkukjang, a traditional Korean fermented food made from soybeans, and determined to be a Gram-positive, aerobic, sporeforming rod. Growth of the novel strain was optimal at 30°C and pH 7.0. The 16S rRNA gene of strain 2RL3-2T showed the highest level of sequence similarity to Lysinibacillus sinduriensis BLB-1T (99.0%), Lysinibacillus massiliensis 4400831T (97.1%), Lysinibacillus xylanilyticus XDB9T (97.0%), and Lysinibacillus odysseyi 34hs-1T (96.8%). Phylogenetic analysis showed that strain 2RL3-2T formed a robust cluster with L. sinduriensis BLB-1T, L. massiliensis 4400831T, and L. odyssey 34hs-1T. The major fatty acids were anteiso-C15:0 (47.3%), iso-C16:0 (16.3%), and anteiso-C17:0 (11.3%), and the only menaquinone was MK-7. Diphosphatidylglycerol, phosphatidylglycerol, and phosphatidylethanolamine were the major polar lipids, along with an unknown phospholipid and two unknown lipids. The peptidoglycan type was A4α, with an interpeptide bridge of l-Lys–d-Asp. DNA-DNA hybridization values between strain 2RL3-2T and closely related Lysinibacillus species were below 43±4%. Therefore, based on phenotypic, chemotaxonomic, and phylogenetic characteristics, it was determined that strain 2RL3-2T represents a novel species of the genus Lysinibacillus, for which the name Lysinibacillus chungkukjangi sp. nov. is proposed. The type strain is 2RL3-2T (=KACC 16626T =NBRC 108948T).

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M. Azmatunnisa, K. Rahul, K. V. N. S. Lakshmi, Ch. Sasikala, Ch. V. Ramana
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Fei Zhao, Youzhi Feng, Ruirui Chen, Jianwei Zhang, Xiangui Lin
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Chunjie Zhu, Guoping Sun, Xingjuan Chen, Jun Guo, Meiying Xu
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Delong Kong, Yanwei Wang, Bingqiang Zhao, Yanting Li, Jinlong Song, Yi Zhai, Chi Zhang, Huimin Wang, Xiaorong Chen, Bin Zhao, Zhiyong Ruan
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NOTE] Paraherbaspirillum soli gen. nov., sp. nov. Isolated from Soil: Rangasamy Anandham , Soo-Jin Kim , Ji Young Moon , Hang-Yeon Weon , Soon-Wo Kwon; J. Microbiol. 2013;51(2):262-267. Published online April 27, 2013; DOI: https://doi.org/10.1007/s12275-013-2563-5

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Abstract: A bacterial strain, designated JS5-2T, was isolated from soil collected from Jeju Island, Republic of Korea. The cells of the strain were Gram-negative, nonspore forming, catalaseand oxidase-positive, aerobic, nonmotile and rod-shaped. Strain JS5-2T exhibited 96.2–97.2, 95.1–96.3, and 95.4–95.8% 16S rRNA gene sequence similarities to the genera Herbaspirillum, Oxalicibacterium, and Herminiimonas, respectively. The highest sequence similarities were with Herbaspirillum autotrophicum IAM 14942T (97.2%) and Herbaspirillum frisingense GSF30T (97.1%). The major fatty acids of strain JS5-2T were C16:0 (35.0%), C17:0 cyclo (19.9%), C18:1 ω7c (11.4%), and summed feature 3 (C16:1 ω7c/C15:0 iso 2-OH) (15.2%), and the major polar lipids of strain JS5-2T were diphosphatidylglycerol and an unknown aminophospholipid. The strain contained Q-8 as the predominant ubiquinone. DNA-DNA relatedness values between strain JS5-2T and H. autotrophicum IAM 14942T, and H. frisingense GSF30T were 32 and 35%, respectively. The DNA G+C content of strain JS5-2T was 59.0 mol%. On the basis of phenotypic, genotypic, and physiological evidence, strain JS5-2T represents a novel species of a new genus, for which the name Paraherbaspirillum soli gen. nov., sp. nov. is proposed. The type strain JS5-2T (=KACC 12633T =NBRC 106496T) is proposed.

NOTE] Diaminobutyricimonas aerilata gen. nov., sp. nov., a Novel Member of the Family Microbacteriaceae Isolated from an Air Sample in Korea: Yun-Hee Jang , Soo-Jin Kim , Moriyuki Hamada , Tomohiko Tamura , Jae-Hyung Ahn , Hang-Yeon Weon , Ken-ichiro Suzuki , Soon-Wo Kwon; J. Microbiol. 2012;50(6):1047-1052. Published online December 30, 2012; DOI: https://doi.org/10.1007/s12275-012-2118-1

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Abstract

A novel isolate, designated 6408J-67T, was isolated from an air sample collected from Jeju Island, Republic of Korea. Its phenotypic, genotypic, and chemotaxonomic properties were compared with those of members of the family Microbacteriaceae. The Gram-positive, aerobic, motile rod formed light yellow, smooth, circular and convex colonies. Optimal growth occurred at 30°C and pH 7.0. 16S rRNA gene sequence data showed that the isolate was a novel member of the family Microbacteriaceae, with the highest sequence similarity (97.4%) to Labedella gwakjiensis KSW2-17T and less (<97%) sequence similarity with other taxa. The major cellular fatty acids (>10% of the total) were anteiso-C15:0, iso-C14:0, and iso-C16:0. The strain also contained MK-13, MK-12, and MK-14 as the major menaquinones, as well as diphosphatidylglycerol, phosphatidylglycerol, and two unknown glycolipids. Its peptidoglycan structure was B1β with 2,4-diaminobutyric acid as a diamino acid. Mycolic acids were absent. The DNA G+C content was 68.3 mol%. Based on these phenotypic and genotypic findings, strain 6408J-67T represents a novel species of a new genus within the family Microbacteriaceae, for which the name Diaminobutyricimonas aerilata gen. nov., sp. nov. is proposed. The type strain is 6408J-67T (=KACC 15518T =NBRC 108726T).

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NOTE] Homoserinimonas aerilata gen. nov., sp. nov., a Novel Member of the Family Microbacteriaceae Isolated from an Air Sample in Korea: Soo-Jin Kim , Yun-Hee Jang , Moriyuki Hamada , Tomohiko Tamura , Jae-Hyung Ahn , Hang-Yeon Weon , Ken-ichiro Suzuki , Soon-Wo Kwon; J. Microbiol. 2012;50(4):673-679. Published online July 21, 2012; DOI: https://doi.org/10.1007/s12275-012-2096-3

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Abstract: A bacterial strain isolated from an air sample, strain 5317J-19T, was characterized. The isolate was an aerobic, motile, Gram-positive rod. The organism was able to grow between 4 and 35°C and between pH 6 and 9. The predominant fatty acids were anteiso-C15:0 and iso-C16:0. The major respiratory menaquinones were MK-12 and MK-11, and the minor ones were MK13, MK-10, and MK-9. Genomic DNA G+C content was 66 mol%. The diagnostic diamino acid of the peptidoglycan is presumably D-Orn. The peptidoglycan is supposed to be B2β type. The 16S rRNA gene sequence analysis indicated that this isolate belongs to the family Microbacteriaceae and had the highest sequence similarities with Salinibacterium xinjiangense 0543T (97.6%), Salinibacterium amurskyense KMM 3673T (97.2%), and Leifsonia bigeumensis MSL-27T (97.2%). Phylogenetic analysis and phenotypic characteristics support the proposal of a new genus and a novel species, with the name Homoserinimonas aerilata gen. nov., sp. nov. The type strain of Homoserinimonas aerilata is 5317J-19T (=KACC 15522T =NBRC 108729T).

Halomonas alkalitolerans sp. nov., a Novel Moderately Halophilic Bacterium Isolated from Soda Meadow Saline Soil in Daqing, China: Shuang Wang , Qian Yang , Zhi-Hua Liu , Lei Sun , Dan Wei , Jun-Zheng Zhang , Jin-Zhu Song , Yun Wang , Jia Song , Jin-Xia Fan , Xian-Xin Meng , Wei Zhang; J. Microbiol. 2011;49(1):24-28. Published online March 3, 2011; DOI: https://doi.org/10.1007/s12275-011-0197-z

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Abstract: A moderately halophilic bacterial strain 15-13T, which was isolated from soda meadow saline soil in Daqing City, Heilongjiang Province, China, was subjected to a polyphasic taxonomic study. The cells of strain 15-13T were found to be Gram-negative, rod-shaped, and motile. The required growth conditions for strain 15-13T were: 1-23% NaCl (optimum, 7%), 10-50°C (optimum, 35°C), and pH 7.0-11.0 (optimum, pH 9.5). The predominant cellular fatty acids were C18:1 ω7c (60.48%) and C16:0 (13.96%). The DNA G+C content was 67.6 mol%. Phylogenetic analysis based on 16S rRNA gene sequence comparisons indicated that strain 15-13T clustered within a branch comprising species of the genus Halomonas. The closest phylogenetic neighbor of strain 15-13T was Halomonas pantelleriensis DSM 9661T (98.9% 16S rRNA gene sequence similarity). The level of DNA-DNA relatedness between the novel isolated strain and H. pantelleriensis DSM 9661T was 33.8%. On the basis of the phenotypic and phylogenetic data, strain 15-13T represents a novel species of the genus Halomonas, for which the name Halomonas alkalitolerans sp. nov. is proposed. The type strain for this novel species is 15-13T (=CGMCC 1.9129T =NBRC 106539T).

Acinetobacter brisouii sp. nov., Isolated from a Wetland in Korea: Rangasamy Anandham , Hang-Yeon Weon , Soo-Jin Kim , Yi-Seul Kim , Byung-Yong Kim , Soon-Wo Kwon; J. Microbiol. 2010;48(1):36-39. Published online March 11, 2010; DOI: https://doi.org/10.1007/s12275-009-0132-8

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Abstract: A bacterial strain 5YN5-8T was isolated from peat layer on Yongneup in Korea. Cells of strain 5YN5-8T were strictly aerobic, Gram-negative, coccobacilli, non-spore forming, and non-motile. The isolate exhibited optimal growth at 28°C, pH 7.0, and 0-1% NaCl. Results of 16S rRNA gene sequence analyses indicated a close relationship of this isolate to Acinetobacter calcoaceticus (97.8% similarity for strain DSM 30006T). It also exhibited 94.4-97.8% 16S rRNA gene sequence similarities to the validly published Acinetobacter species. The value for DNA-DNA hybridization between strain 5YN5-8T and other members of the genus Acinetobacter ranged from 16 to 28%. Predominant cellular fatty acids were C18:1 ω9c, summed feature 4 containing C15:0 iso 2-OH and/or C16:1 ω7c, and C16:0. The DNA G+C content was 43.9 mol%. Phylogenetic, phenotypic, and chemotaxonomic data accumulated in this study revealed that the isolate could be classified in a novel species of the genus Acinetobacter. The name Acinetobacter brisouii sp. nov. is proposed for the novel species, with 5YN5-8T (=KACC 11602T =DSM 18516T) as the type strain.

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