scholarly journals Chryseobacterium palustre sp. nov. and Chryseobacterium humi sp. nov., isolated from industrially contaminated sediments

2010 ◽  
Vol 60 (2) ◽  
pp. 402-407 ◽  
Author(s):  
Carlos Pires ◽  
Maria F. Carvalho ◽  
Paolo De Marco ◽  
Naresh Magan ◽  
Paula M. L. Castro
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Strain ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
16S Rrna Gene Sequence ◽  
Contaminated Site ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
Type Strains

Two Gram-staining-negative bacterial strains, designated 3A10T and ECP37T, were isolated from sediment samples collected from an industrially contaminated site in northern Portugal. These two organisms were rod-shaped, non-motile, aerobic, catalase- and oxidase-positive and formed yellow colonies. The predominant fatty acids were iso-C15 : 0, anteiso-C15 : 0, iso-C17 : 1 ω9c and iso-C17 : 0 3-OH. The G+C content of the DNA of strains 3A10T and ECP37T was 43 and 34 mol%, respectively. The major isoprenoid quinone of the two strains was MK-6. 16S rRNA gene sequence analysis revealed that strains 3A10T and ECP37T were members of the family Flavobacteriaceae and were related phylogenetically to the genus Chryseobacterium. Strain 3A10T showed 16S rRNA gene sequence similarity values of 97.2 and 96.6 % to the type strains of Chryseobacterium antarcticum and Chryseobacterium jeonii, respectively; strain ECP37T showed 97.3 % similarity to the type strain of Chryseobacterium marinum. DNA–DNA hybridization experiments revealed levels of genomic relatedness of <70 % between strains 3A10T and ECP37T and between these two strains and the type strains of C. marinum, C. antarcticum and C. jeonii, justifying their classification as representing two novel species of the genus Chryseobacterium. The names proposed for these organisms are Chryseobacterium palustre sp. nov. (type strain 3A10T =LMG 24685T =NBRC 104928T) and Chryseobacterium humi sp. nov. (type strain ECP37T =LMG 24684T =NBRC 104927T).

scholarly journals Microbacterium agarici sp. nov., Microbacterium humi sp. nov. and Microbacterium pseudoresistens sp. nov., isolated from the base of the mushroom Agaricus blazei

2010 ◽  
Vol 60 (4) ◽  
pp. 854-860 ◽  
Author(s):  
C.-C. Young ◽  
H.-J. Busse ◽  
S. Langer ◽  
Jiunn-Nan Chu ◽  
P. Schumann ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Strain ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Agaricus Blazei ◽  
Rrna Gene Sequence ◽  
Type Strains

Three Gram-positive, rod-shaped bacteria (strains CC-SBCK-209T, CC-12309T and CC-5209T) were isolated from the stalk of the edible mushroom Agaricus blazei grown in the laboratory. 16S rRNA gene sequence analysis indicated that all three isolates clearly belonged to the genus Microbacterium. Strains CC-SBCK-209T and CC-12309T were most related closely to the type strain of Microbacterium halotolerans (95.9 and 96.1 %16S rRNA gene sequence similarity, respectively). These two novel strains shared 97.9 % 16S rRNA gene sequence similarity. Levels of similarity to the type strains of all other recognized Microbacterium species were lower than 95.5 %. The third strain (CC-5209T) showed the highest 16S rRNA gene sequence similarity to the type strain of Microbacterium resistens (97.6 %); levels of similarity to the type strains of all other recognized Microbacterium species were lower than 96 %. The quinone systems of strains CC-SBCK-209T, CC-12309T and CC-5209T consisted of MK-11/MK-12, MK-11/MK-10 and MK-13 as major compounds, respectively. All three strains contained ornithine in their peptidoglycan. The major polar lipids were diphosphatidylglycerol, phosphatidylglycerol and an unknown glycolipid. The polyamine pattern consisted of spermidine and spermine as predominant components. Fatty acid profiles (anteiso-C15 : 0, iso-C16 : 0 and anteiso-C17 : 0 as major components) supported the affiliation of all three strains to the genus Microbacterium. The results of physiological and biochemical tests and DNA–DNA hybridization experiments allowed the clear phenotypic and genotypic differentiation of strains CC-SBCK-209T and CC-12309T from M. halotolerans and other closely related Microbacterium species. Strain CC-5209T could be differentiated clearly from M. resistens both genotypically and phenotypically. Based on these data, the novel strains are considered to represent three novel species of the genus Microbacterium. The names proposed for these organisms are Microbacterium agarici sp. nov. [type strain CC-SBCK-209T (=DSM 21798T=CCM 7686T)], Microbacterium humi sp. nov. [type strain CC-12309T (=DSM 21799T=CCM 7687T)] and Microbacterium pseudoresistens sp. nov. [type strain CC-5209T (=DSM 22185T=CCM 7688T)].

scholarly journals Rhodanobacter ginsengisoli sp. nov. and Rhodanobacter terrae sp. nov., isolated from soil cultivated with Korean ginseng

2007 ◽  
Vol 57 (12) ◽  
pp. 2810-2813 ◽  
Author(s):  
Hang-Yeon Weon ◽  
Byung-Yong Kim ◽  
Seung-Beom Hong ◽  
Young-Ah Jeon ◽  
Soon-Wo Kwon ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Strain ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
Type Strains ◽  
Sequence Similarities

Two bacterial isolates from ginseng fields in Korea, strains GR17-7T and GP18-1T, were characterized using a polyphasic approach. Phylogenetic analysis of their 16S rRNA gene sequences revealed a clear affiliation with the Gammaproteobacteria, and showed that the closest phylogenetic relationships were with members of the genus Rhodanobacter. The 16S rRNA gene sequence similarity between strains GR17-7T and GP18-1T was 97.2 %. Both strains showed 16S rRNA gene sequence similarities of 95.2–96.9 % to type strains of recognized Rhodanobacter species. The G+C contents of the DNA of strains GR17-7T and GP18-1T were 61.0 and 62.5 mol%, respectively. According to the DNA–DNA hydridization tests, the hybridization value between strains GR17-7T and GP18-1T was 34 %. Strains GR17-7T and GP18-1T showed less than 32 % DNA–DNA relatedness with Rhodanobacter fulvus KCTC 12098T and Rhodanobacter spathiphylli LMG 23181T. Strains GR17-7T and GP18-1T were aerobic, Gram-negative, rod-shaped, and catalase- and oxidase-positive. Major fatty acids of both strains were iso-C17 : 1 ω9c and iso-C16 : 0. Based on the data presented, two novel Rhodanobacter species are proposed, with the names Rhodanobacter ginsengisoli sp. nov. (type strain GR17-7T=KACC 11762T=DSM 18993T) and Rhodanobacter terrae sp. nov. (type strain GP18-1T=KACC 11761T=DSM 19241T).

scholarly journals Exiguobacterium aestuarii sp. nov. and Exiguobacterium marinum sp. nov., isolated from a tidal flat of the Yellow Sea in Korea

2005 ◽  
Vol 55 (2) ◽  
pp. 885-889 ◽  
Author(s):  
In-Gi Kim ◽  
Mi-Hwa Lee ◽  
Seo-Youn Jung ◽  
Jae Jun Song ◽  
Tae-Kwang Oh ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Tidal Flat ◽  
Yellow Sea ◽  
Type Strain ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Rrna Gene Sequence

Three Gram-variable, rod-shaped bacterial strains, TF-16T, TF-19 and TF-80T, were isolated from a tidal flat of Daepo Beach (Yellow Sea) near Mokpo City, Korea, and their taxonomic positions were investigated by a polyphasic approach. These isolates grew optimally in the presence of 2 % NaCl and at 30 °C. Their peptidoglycan types were based on l-Lys–Gly. The predominant menaquinone detected in the three strains was MK-7. The three strains contained large amounts of the branched fatty acids iso-C17 : 0, anteiso-C13 : 0, iso-C13 : 0 and iso-C15 : 0. The DNA G+C contents of strains TF-16T, TF-19 and TF-80T were 48·6, 48·4 and 48·0 mol%, respectively. The three strains formed a coherent cluster with Exiguobacterium species in a phylogenetic tree based on 16S rRNA gene sequences. They showed closest phylogenetic affiliation to Exiguobacterium aurantiacum, with 16S rRNA gene sequence similarity values of 98·1–98·3 %. The three strains exhibited 16S rRNA gene sequence similarity values of 94·0–94·6 % to the type strains of other Exiguobacterium species. Levels of DNA–DNA relatedness indicated that strains TF-16T and TF-19 and strain TF-80T are members of two species that are separate from E. aurantiacum. On the basis of phenotypic, phylogenetic and genetic data, strains TF-16T and TF-19 and strain TF-80T represent two novel species in the genus Exiguobacterium; the names Exiguobacterium aestuarii sp. nov. (type strain TF-16T=KCTC 19035T=DSM 16306T; reference strain TF-19) and Exiguobacterium marinum sp. nov. (type strain TF-80T=KCTC 19036T=DSM 16307T) are proposed.

scholarly journals Bacillus thermolactis sp. nov., isolated from dairy farms, and emended description of Bacillus thermoamylovorans

2011 ◽  
Vol 61 (8) ◽  
pp. 1954-1961 ◽  
Author(s):  
An Coorevits ◽  
Niall A. Logan ◽  
Anna E. Dinsdale ◽  
Gillian Halket ◽  
Patsy Scheldeman ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Strain ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
Diaminopimelic Acid ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
Emended Description

A polyphasic taxonomic study was performed on 22 thermotolerant, aerobic, endospore-forming bacteria from dairy environments. Seventeen isolates were retrieved from raw milk, one from a filter cloth and four from grass, straw or milking equipment. These latter four isolates (R-6546, R-7499, R-7764 and R-7440) were identified as Bacillus thermoamylovorans based on DNA–DNA hybridizations (values above 70 % with Bacillus thermoamylovorans LMG 18084T) but showed discrepancies in characteristics with the original species description, so an emended description of this species is given. According to 16S rRNA gene sequence analysis and DNA–DNA hybridization experiments, the remaining 18 isolates (R-6488T, R-28193, R-6491, R-6492, R-7336, R-33367, R-6486, R-6770, R-31288, R-28160, R-26358, R-7632, R-26955, R-26950, R-33520, R-6484, R-26954 and R-7165) represented one single species, most closely related to Bacillus thermoamylovorans (93.9 % 16S rRNA gene sequence similarity), for which the name Bacillus thermolactis is proposed. Cells were Gram-stain-positive, facultatively anaerobic, endospore-forming rods that grew optimally at 40–50 °C. The cell wall peptidoglycan type of strain R-6488T, the proposed type strain, was A1γ based on meso-diaminopimelic acid. Major fatty acids of the strains were C16 : 0 (28.0 %), iso-C16 : 0 (12.1 %) and iso-C15 : 0 (12.0 %). MK-7 was the predominant menaquinone, and major polar lipids were diphosphatidylglycerol, phosphatidylglycerol and some unidentified phospholipids. DNA G+C content was 35.0 mol%. Phenotypic properties allowed discrimination from other thermotolerant species of the genus Bacillus and supported the description of the novel species Bacillus thermolactis, with strain R-6488T ( = LMG 25569T  = DSM 23332T) as the proposed type strain.

scholarly journals Effusibacillus dendaii sp. nov. isolated from farm soil

2021 ◽  
Author(s):  
Tomoyuki Konishi ◽  
Tomohiko Tamura ◽  
Toru Tobita ◽  
Saori Sakai ◽  
Namio Matsuda ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Strain ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
Respiratory Quinone ◽  
Genome Analyses

Abstract Gram-positive, rod-shaped, spore-forming, thermophilic, acidophilic bacterium, designated strain skT53T, was isolated from farm soil in Tokyo, Japan. The strain grew aerobically at 37–55°C (optimum 50°C) and pH 4.0–6.0 (optimum 5.0). Phylogenetic analysis of the 16S rRNA gene sequence showed that the isolate was most closely related to the type strain of Effusibacillus consociatus (94.3% similarity). The G + C content of the genomic DNA was 48.22 mol%. MK-7 was the predominant respiratory quinone. The major fatty acids were anteiso-C15:0, iso-C15:0, iso-C16:0 and C18:3ω6c. The results of phenotypic and chemotaxonomic, 16S rRNA gene sequence similarity, and whole genome analyses support strain skT53T as representing a novel species of Effusibacillus dendaii sp. nov. is proposed. The type strain is strain skT53T (= NBRC 114101T = TBRC 11241T).

scholarly journals Rarimicrobium hominis gen. nov., sp. nov., representing the fifth genus in the phylum Synergistetes that includes human clinical isolates

2015 ◽  
Vol 65 (Pt_11) ◽  
pp. 3965-3970 ◽  
Author(s):  
Estelle Jumas-Bilak ◽  
Philippe Bouvet ◽  
Emma Allen-Vercoe ◽  
Fabien Aujoulat ◽  
Paul A. Lawson ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Strain ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
Clinical Isolates ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Strictly Anaerobic ◽  
Rrna Gene Sequence

Five human clinical isolates of an unknown, strictly anaerobic, slow-growing, Gram-stain-negative, rod-shaped micro-organism were subjected to a polyphasic taxonomic study. Comparative 16S rRNA gene sequence-based phylogeny showed that the isolates grouped in a clade that included members of the genera Pyramidobacter, Jonquetella, and Dethiosulfovibrio; the type strain of Pyramidobacter piscolens was the closest relative with 91.5–91.7 % 16S rRNA gene sequence similarity. The novel strains were mainly asaccharolytic and unreactive in most conventional biochemical tests. Major metabolic end products in trypticase/glucose/yeast extract broth were acetic acid and propionic acid and the major cellular fatty acids were C13 : 0 and C16 : 0, each of which could be used to differentiate the strains from P. piscolens. The DNA G+C content based on whole genome sequencing for the reference strain 22-5-S 12D6FAA was 57 mol%. Based on these data, a new genus, Rarimicrobium gen. nov., is proposed with one novel species, Rarimicrobium hominis sp. nov., named after the exclusive and rare finding of the taxon in human samples. Rarimicrobium is the fifth genus of the 14 currently characterized in the phylum Synergistetes and the third one in subdivision B that includes human isolates. The type strain of Rarimicrobium hominis is ADV70T ( = LMG 28163T = CCUG 65426T).

scholarly journals Corynebacterium tapiri sp. nov. and Corynebacterium nasicanis sp. nov., isolated from a tapir and a dog, respectively

2015 ◽  
Vol 65 (Pt_11) ◽  
pp. 3885-3893 ◽  
Author(s):  
Sandra Baumgardt ◽  
Igor Loncaric ◽  
Peter Kämpfer ◽  
Hans-Jürgen Busse
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Strain ◽  
Gene Sequence ◽  
Novel Species ◽  
Sequence Similarity ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
Established Species

Two Gram-stain-positive bacterial isolates, strain 2385/12T and strain 2673/12T were isolated from a tapir and a dog's nose, respectively. The two strains were rod to coccoid-shaped, catalase-positive and oxidase-negative. The highest 16S rRNA gene sequence similarity identified Corynebacterium singulare CCUG 37330T (96.3 % similarity) as the nearest relative of strain 2385/12T and suggested the isolate represented a novel species. Corynebacterium humireducens DSM 45392T (98.7 % 16S rRNA gene sequence similarity) was identified as the nearest relative of strain 2673/12T. Results from DNA–DNA hybridization with the type strain of C. humireducens demonstrated that strain 2673/12T also represented a novel species. Strain 2385/12T showed a quinone system consisting predominantly of menaquinones MK-8(H2) and MK-9(H2) whereas strain 2673/12T contained only MK-8(H2) as predominant quinone. The polar lipid profiles of the two strains showed the major compounds phosphatidylglycerol, diphosphatidylglycerol and an unidentified glycolipid. Phosphatidylinositol was identified as another major lipid in 2673/12T whereas it was only found in moderate amounts in strain 2385/12T. Furthermore, moderate to minor amounts of phosphatidylinositol-mannoside, β-gentiobiosyl diacylglycerol and variable counts of several unidentified lipids were detected in the two strains. Both strains contained corynemycolic acids. The polyamine patterns were characterized by the major compound putrescine in strain 2385/12T and spermidine in strain 2673/12T. In the fatty acid profiles, predominantly C18 : 1ω9c and C16 : 0 were detected. The two strains are distinguishable from each other and the nearest related established species of the genus Corynebacterium phylogenetically and phenotypically. In conclusion, two novel species of the genus Corynebacterium are proposed, namely Corynebacterium tapiri sp. nov. (type strain, 2385/12T = CCUG 65456T = LMG 28165T) and Corynebacterium nasicanis sp. nov. (type strain, 2673/12T = CCUG 65455T = LMG 28166T).

scholarly journals Flavisolibacter ginsengiterrae gen. nov., sp. nov. and Flavisolibacter ginsengisoli sp. nov., isolated from ginseng cultivating soil

2007 ◽  
Vol 57 (8) ◽  
pp. 1834-1839 ◽  
Author(s):  
Min-Ho Yoon ◽  
Wan-Taek Im
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Strain ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
Biochemical Tests ◽  
Separate Species

Two strains (Gsoil 492T and Gsoil 643T) isolated in Pocheon Province, South Korea, from soil used for ginseng cultivation were characterized using a polyphasic approach. Both isolates comprised Gram-negative, aerobic, non-motile, rod-shaped bacteria. They had similar chemotaxonomic characteristics, e.g. containing MK-7 as the major quinone, having a DNA G+C content in the range 42.5–43.3 mol% and possessing iso-C15 : 0 and iso-C17 : 0 3-OH as the major fatty acids. A phylogenetic analysis based on 16S rRNA gene sequences indicated that the two isolates formed a tight cluster with several uncultured bacterial clones and with the established genera Terrimonas, Niastella and Chitinophaga in the phylum Bacteroidetes but were clearly separate from these genera. The levels of 16S rRNA gene sequence similarity between the isolates and type strains of related genera ranged from 87.5 to 92.4 %. Furthermore, the results of physiological and biochemical tests allowed phenotypic differentiation of the isolates from phylogenetically closely related species with validly published names. The level of 16S rRNA gene sequence similarity between the two strains was 99.5 %, whereas the DNA–DNA relatedness value was 44 %, indicating that they represent separate species. On the basis of the polyphasic evidence, a novel genus, Flavisolibacter gen. nov., and two novel species, Flavisolibacter ginsengiterrae sp. nov. (type strain Gsoil 492T=KCTC 12656T=DSM 18136T) and Flavisolibacter ginsengisoli sp. nov. (type strain Gsoil 643T=KCTC 12657T=DSM 18119T), are proposed. Flavisolibacter ginsengiterrae is the type species of the genus.

scholarly journals Loktanella atrilutea sp. nov., isolated from seawater in Japan

2007 ◽  
Vol 57 (9) ◽  
pp. 1966-1969 ◽  
Author(s):  
Shoichi Hosoya ◽  
Akira Yokota
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Dna Hybridization ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
Sanriku Coast ◽  
Type Strains

A Gram-negative, rod-shaped bacterium, IG8T, was isolated from seawater off the Sanriku coast, Japan. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain IG8T represented a separate lineage within the genus Loktanella; the highest 16S rRNA gene sequence similarity values were found with the type strains of Loktanella salsilacus (98.6 %) and Loktanella fryxellensis (98.4 %). DNA–DNA hybridization values between strain IG8T and the type strains of L. salsilacus (27.9–36.1 %) and L. fryxellensis (11.3–31.0 %) were clearly below 70 %, the generally accepted limit for species delineation. The DNA G+C content of strain IG8T was 66.3 mol%. On the basis of DNA–DNA hybridization, some biochemical characteristics and 16S rRNA gene sequence comparison, it is proposed that the isolate represents a novel species, Loktanella atrilutea sp. nov. The type strain is IG8T (=IAM 15450T=NCIMB 14280T).

scholarly journals Marinobacterium halophilum sp. nov., a marine bacterium isolated from the Yellow Sea

2007 ◽  
Vol 57 (1) ◽  
pp. 77-80 ◽  
Author(s):  
Ho-Won Chang ◽  
Young-Do Nam ◽  
Hyuk-Yong Kwon ◽  
Ja Ryeong Park ◽  
Jung-Sook Lee ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
Diaminopimelic Acid ◽  
The Yellow Sea ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
Type Strains

A moderately halophilic, aerobic, Gram-negative bacterium was isolated from a tidal flat area of Dae-Chun, Chung-Nam, Korea. The strain, designated mano11T, comprised rod-shaped cells that were motile by means of polar flagella. It grew with 3–12 % NaCl and at 4–37 °C and pH 5.3–9.3. The predominant menaquinone present in this strain was MK-7 and diaminopimelic acid was not found in the cell-wall peptidoglycan. A phylogenetic analysis based on 16S rRNA gene sequences showed that strain mano11T belongs to the genus Marinobacterium. Strain mano11T exhibited 92.8–98.3 % 16S rRNA gene sequence similarity when compared with the type strains of three other species of the genus Marinobacterium. DNA–DNA hybridization between strain mano11T and Marinobacterium georgiense DSM 11526T, its closest relative in terms of 16S rRNA gene sequence similarity, was 13 %. On the basis of the phenotypic, genetic and phylogenetic data, strain mano11T represents a novel species of the genus Marinobacterium, for which the name Marinobacterium halophilum sp. nov. is proposed. The type strain is mano11T (=KCTC 12240T=DSM 17586T).

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