Mongoliicoccus alkaliphilus sp. nov. and Litoribacter alkaliphilus sp. nov., isolated from salt pans

2013 ◽  
Vol 63 (Pt_9) ◽  
pp. 3457-3462 ◽  
Author(s):  
Y. Subhash ◽  
L. Tushar ◽  
Ch. Sasikala ◽  
Ch. V. Ramana
Keyword(s):  
Type Strain ◽  
Type Species ◽  
Novel Species ◽  
Sequence Similarity ◽  
Carbon Sources ◽  
Coastal Region ◽  
Rrna Gene ◽  
Bacterial Strains ◽  
Content Type ◽  
Link Type

Four bacterial strains (JC165T, JC166T, JC169 and JC170) were isolated from salt pan soils from a coastal region of Tamilnadu, India. They were obligately aerobic, pink- to red-pigmented, mesophilic, haloalkaliphiles having chemoorganoheterotrophic growth on various carbon sources and were catalase- and oxidase-positive. Phototrophic growth and bacteriochlorophyll a were absent in all four strains. Major carotenoids present were β-carotene and rhodoxanthin. The main fatty acid in all strains was iso-C15 : 0. The main polar lipids were phosphatidylethanolamine (PE) and phosphatidylcholine (PC) as well as a few unidentified lipids. Bacterial hopane derivatives and diplopterol (DPL) were detected in all four strains. Based on the 16S rRNA gene sequences, all four strains belong to the family Cyclobacteriaceae in the phylum Bacteroidetes . Strains JC165T and JC169 had a sequence similarity of 97.2 % with Mongoliicoccus roseus MIM28T, while strains JC166T and JC170 had a sequence similarity of 99.5 % with Litoribacter ruber YIM CH208T. Strains JC165T/JC169 and JC166T/JC170 had genomic DNA reassociation values (based on DNA–DNA hybridization) of 21±2 % and 23±1 % with M. roseus KCTC 19808T ( = MIM28T) and L. ruber KCTC 22899T ( = YIM CH208T), respectively, suggesting that they represented novel species. The reassociation values of >85 % between strains JC165T and JC169, and JC166T and JC170 suggested they were strains of the same species. The genomic information was supported by phenotypic observations leading to the proposal of two novel species, Mongoliicoccus alkaliphilus sp. nov. (type strain, JC165T = KCTC 32210T = LMG 27255T) and Litoribacter alkaliphilus sp. nov. (type strain, JC166T = KCTC 32217T = LMG 27256T).

scholarly journals Arthrobacter yangruifuii sp. nov. and Arthrobacter zhaoguopingii sp. nov., two new members of the genus Arthrobacter

2020 ◽  
Vol 70 (10) ◽  
pp. 5287-5295 ◽  
Author(s):  
Yajun Ge ◽  
Yuanmeihui Tao ◽  
Jing Yang ◽  
Xin-He Lai ◽  
Dong Jin ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Strain ◽  
Type Species ◽  
Novel Species ◽  
Sequence Similarity ◽  
Tibet Plateau ◽  
Rrna Gene ◽  
Content Type ◽  
Link Type

Four unknown strains belonging to the genus Arthrobacter were isolated from plateau wildlife on the Qinghai–Tibet Plateau of PR China. Phylogenetic analysis based on 16S rRNA gene sequences showed that the four isolates were separated into two clusters. Cluster I (strains 785T and 208) had the greatest 16S rRNA gene sequence similarity to Arthrobacter citreus (98.6 and 98.7 %, respectively), Arthrobacter luteolus (98.0 and 98.1%, respectively), Arthrobacter gandavensis (97.9 and 98.0 %, respectively) and Arthrobacter koreensis (97.6 and 97.7 %, respectively). Likewise, cluster II (strains J391T and J915) had the highest sequence similarity to Arthrobacter ruber (98.6 and 98.3 %, respectively) and Arthrobacter agilis (98.1 and 97.9  %, respectively). Average nucleotide identity and the digital DNA–DNA hybridization values illustrated that the two type strains, 785T and J391T, represented two separate novel species that are distinct from all currently recognized species in the genus Arthrobacter . These strains had DNA G+C contents of 66.0–66.1 mol% (cluster I) and 68.0 mol% (cluster II). The chemotaxonomic properties of strains 785T and J391T were in line with those of the genus Arthrobacter : anteiso-C15:0 (79.3 and 40.8 %, respectively) as the major cellular fatty acid, MK-8(H2) (65.8 %) or MK-9(H2) (75.6 %) as the predominant respiratory quinone, a polar lipid profile comprising diphosphatidylglycerol, phosphatidylglycerol, phosphatidylinositol, glycolipids and phospholipid, and A3α or A4α as the cell wall peptidoglycan type. On the basis of our results, two novel species in the genus Arthrobacter are proposed, namely Arthrobacter yangruifuii sp. nov. (type strain, 785T=CGMCC 1.16725T=GDMCC 1.1592T=JCM 33491T) and Arthrobacter zhaoguopingii sp. nov. (type strain, J391T=CGMCC 1.17382T=GDMCC 1.1667T=JCM 33841T).

Acinetobacter kookii sp. nov., isolated from soil

2013 ◽  
Vol 63 (Pt_12) ◽  
pp. 4402-4406 ◽  
Author(s):  
Ji Young Choi ◽  
Gwangpyo Ko ◽  
Weonghwa Jheong ◽  
Geert Huys ◽  
Harald Seifert ◽  
...  
Keyword(s):  
16S Rrna ◽  
Related Species ◽  
Type Species ◽  
Novel Species ◽  
Sequence Similarity ◽  
Rrna Gene ◽  
Bacterial Strains ◽  
Gene Sequences ◽  
Content Type ◽  
Link Type

Two Gram-stain-negative, non-fermentative bacterial strains, designated 11-0202T and 11-0607, were isolated from soil in South Korea, and four others, LUH 13522, LUH 8638, LUH 10268 and LUH 10288, were isolated from a beet field in Germany, soil in the Netherlands, and sediment of integrated fish farms in Malaysia and Thailand, respectively. Based on 16S rRNA, rpoB and gyrB gene sequences, they are considered to represent a novel species of the genus Acinetobacter . Their 16S rRNA gene sequences showed greatest pairwise similarity to Acinetobacter beijerinckii NIPH 838T (97.9–98.4 %). They shared highest rpoB and gyrB gene sequence similarity with Acinetobacter johnsonii DSM 6963T and Acinetobacter bouvetii 4B02T (85.4–87.6 and 78.1–82.7 %, respectively). Strain 11-0202T displayed low DNA–DNA reassociation values (<40 %) with the most closely related species of the genus Acinetobacter . The six strains utilized azelate, 2,3-butanediol, ethanol and dl-lactate as sole carbon sources. Cellular fatty acid analyses showed similarities to profiles of related species of the genus Acinetobacter : summed feature 3 (C16 : 1ω7c, C16 : 1ω6c; 24.3–27.2 %), C18 : 1ω9c (19.9–22.1 %), C16 : 0 (15.2–22.0 %) and C12 : 0 (9.2–14.2 %). On the basis of the current findings, it is concluded that the six strains represent a novel species, for which the name Acinetobacter kookii sp. nov. is proposed. The type strain is 11-0202T ( = KCTC 32033T = JCM 18512T).

scholarly journals Neisseria oralis sp. nov., isolated from healthy gingival plaque and clinical samples

2013 ◽  
Vol 63 (Pt_4) ◽  
pp. 1323-1328 ◽  
Author(s):  
William J. Wolfgang ◽  
Teresa V. Passaretti ◽  
Reashma Jose ◽  
Jocelyn Cole ◽  
An Coorevits ◽  
...  
Keyword(s):  
Type Strain ◽  
Type Species ◽  
Novel Species ◽  
Sequence Similarity ◽  
23S Rrna ◽  
Clinical Samples ◽  
Rrna Gene ◽  
The Novel ◽  
Content Type ◽  
Link Type

A polyphasic analysis was undertaken of seven independent isolates of Gram-negative cocci collected from pathological clinical samples from New York, Louisiana, Florida and Illinois and healthy subgingival plaque from a patient in Virginia, USA. The 16S rRNA gene sequence similarity among these isolates was 99.7–100 %, and the closest species with a validly published name was Neisseria lactamica (96.9 % similarity to the type strain). DNA–DNA hybridization confirmed that these isolates are of the same species and are distinct from their nearest phylogenetic neighbour, N. lactamica . Phylogenetic analysis of 16S and 23S rRNA gene sequences indicated that the novel species belongs in the genus Neisseria . The predominant cellular fatty acids were C16 : 0, summed feature 3 (C16 : 1ω7c and/or iso-C15 : 0 2-OH) and C18 : 1ω7c. The cellular fatty acid profile, together with other phenotypic characters, further supports the inclusion of the novel species in the genus Neisseria . The name Neisseria oralis sp. nov. (type strain 6332T  = DSM 25276T  = LMG 26725T) is proposed.

scholarly journals Sphingomonas corticis sp. nov., and Sphingobacterium corticibacterium sp. nov., from bark canker

2020 ◽  
Vol 70 (11) ◽  
pp. 5627-5633 ◽  
Author(s):  
Yong Li ◽  
Shengkun Wang ◽  
Ju-pu Chang ◽  
Dan-ran Bian ◽  
Li-min Guo ◽  
...  
Keyword(s):  
Fatty Acids ◽  
Type Strain ◽  
Type Species ◽  
Sequence Similarity ◽  
Rrna Gene ◽  
Bacterial Strains ◽  
Respiratory Quinone ◽  
Polar Lipid Profile ◽  
Content Type ◽  
Link Type

Two Gram-stain-negative, aerobic, non-motile bacterial strains, 36D10-4-7T and 30C10-4-7T, were isolated from bark canker tissue of Populus × euramericana, respectively. 16S rRNA gene sequence analysis revealed that strain 36D10-4-7T shows 98.0 % sequence similarity to Sphingomonas adhaesiva DSM 7418T, and strain 30C10-4-7T shows highest sequence similarity to Sphingobacterium arenae H-12T (95.6 %). Average nucleotide identity analysis indicates that strain 36D10-4-7T is a novel member different from recognized species in the genus Sphingomonas . The main fatty acids and respiratory quinone detected in strain 36D10-4-7T are C18 : 1  ω7c and/or C18 : 1  ω6c and Q-10, respectively. The polar lipids are diphosphatidylglycerol, phosphatidylcholine, phosphatidylglycerol, aminolipid, phosphatidylethanolamine, sphingoglycolipid, two uncharacterized phospholipids and two uncharacterized lipids. For strain 30C10-4-7T, the major fatty acids and menaquinone are iso-C15 : 0, C16 : 1  ω7c and/or C16 : 1  ω6c and iso-C17 : 0 3-OH and MK-7, respectively. The polar lipid profile includes phosphatidylethanolamine, phospholipids, two aminophospholipids and six unidentified lipids. Based on phenotypic and genotypic characteristics, these two strains represent two novel species within the genera Sphingomonas and Sphingobacterium . The name Sphingomonas corticis sp. nov. (type strain 36D10-4-7T=CFCC 13112T=KCTC 52799T) and Sphingobacterium corticibacterium sp. nov. (type strain 30C10-4-7T=CFCC 13069T=KCTC 52797T) are proposed.

scholarly journals Belnapia mucosa sp. nov. and Belnapia arida sp. nov., isolated from desert biocrust

2021 ◽  
Vol 71 (7) ◽  
Author(s):  
Esther Molina-Menor ◽  
Àngela Vidal-Verdú ◽  
Leila Satari ◽  
Alba Calonge-García ◽  
Javier Pascual ◽  
...  
Keyword(s):  
Type Strain ◽  
Type Species ◽  
Novel Species ◽  
Sequence Similarity ◽  
Biological Soil Crust ◽  
Rrna Gene ◽  
Content Type ◽  
Link Type ◽  
Gram Staining ◽  
Pigmented Bacteria

Two novel Gram-staining-negative, aerobic, cocci-shaped, non-motile, non-spore forming, pink-pigmented bacteria designated strains T6T and T18T, were isolated from a biocrust (biological soil crust) sample from the vicinity of the Tabernas Desert (Spain). Both strains were catalase-positive and oxidase-negative, and grew under mesophilic, neutrophilic and non-halophilic conditions. According to the 16S rRNA gene sequences, strains T6T and T18T showed similarities with Belnapia rosea CGMCC 1.10758T and Belnapia moabensis CP2CT (98.11 and 98.55% gene sequence similarity, respectively). The DNA G+C content was 69.80 and 68.96% for strains T6T and T18T, respectively; the average nucleotide identity by blast (ANIb) and digital DNA–DNA hybridization (dDDH) values confirmed their adscription to two novel species within the genus Belnapia . The predominant fatty acids were summed feature 8 (C18 : 1ω7c/C18 : 1ω6c), C16 : 0, C18 : 1 2-OH and summed feature 3 (C16 : 1ω7c/C16 : 1ω6c). According to he results of the polyphasic study, strains T6T and T18T represent two novel species in the genus Belnapia (which currently includes only three species), for which names Belnapia mucosa sp. nov. (type strain T6T = CECT 30228T=DSM 112073T) and Belnapia arida sp. nov. (type strain T18T=CECT 30229T=DSM 112074T) are proposed, respectively.

Bombella favorum sp. nov. and Bombella mellum sp. nov., two novel species isolated from the honeycombs of Apis mellifera

2021 ◽  
Author(s):  
Maik Hilgarth ◽  
Johannes Redwitz ◽  
Matthias A. Ehrmann ◽  
Rudi F. Vogel ◽  
Frank Jakob
Keyword(s):  
Apis Mellifera ◽  
Type Strain ◽  
Type Species ◽  
Gene Sequence ◽  
Novel Species ◽  
Sequence Similarity ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
Content Type ◽  
Link Type

As part of a study investigating the microbiome of bee hives and honey, two novel strains (TMW 2.1880T and TMW 2.1889T) of acetic acid bacteria were isolated and subsequently taxonomically characterized by a polyphasic approach, which revealed that they cannot be assigned to known species. The isolates are Gram-stain-negative, aerobic, pellicle-forming, catalase-positive and oxidase-negative. Cells of TMW 2.1880T are non-motile, thin/short rods, and cells of TMW 2.1889T are motile and occur as rods and long filaments. Morphological, physiological and phylogenetic analyses revealed a distinct lineage within the genus Bombella . Strain TMW 2.1880T is most closely related to the type strain of Bombella intestini with a 16S rRNA gene sequence similarity of 99.5 %, and ANIb and in silico DDH values of 94.16 and 56.3 %, respectively. The genome of TMW 2.1880T has a size of 1.98 Mb and a G+C content of 55.3 mol%. Strain TMW 2.1889T is most closely related to the type strain of Bombella apis with a 16S rRNA gene sequence similarity of 99.5 %, and ANIb and in silico DDH values of 85.12 and 29.5 %, respectively. The genome of TMW 2.1889T has a size of 2.07 Mb and a G+C content of 60.4 mol%. Ubiquinone analysis revealed that both strains contained Q-10 as the main respiratory quinone. Major fatty acids for both strains were C16 : 0, C19 : 0 cyclo ω8c and summed feature 8, respectively, and additionally C14 : 0 2-OH only for TMW 2.1880T and C14 : 0 only for TMW 2.1889T. Based on polyphasic evidence, the two isolates from honeycombs of Apis mellifera represent two novel species of the genus Bombella , for which the names Bombella favorum sp. nov and Bombella mellum sp. nov. are proposed. The designated respective type strains are TMW 2.1880T (=LMG 31882T=CECT 30114T) and TMW 2.1889T (=LMG 31883T=CECT 30113T).

Rhodoplanes piscinae sp. nov. isolated from pond water

2012 ◽  
Vol 62 (Pt_12) ◽  
pp. 2828-2834 ◽  
Author(s):  
S. Kalyana Chakravarthy ◽  
E. V. V. Ramaprasad ◽  
E. Shobha ◽  
Ch. Sasikala ◽  
Ch. V. Ramana
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Strain ◽  
Type Species ◽  
Gene Sequence ◽  
Novel Species ◽  
Sequence Similarity ◽  
Rrna Gene ◽  
Content Type ◽  
Link Type

Two strains (JA266T and JA333) of Gram-negative, rod-shaped, phototrophic, purple non-sulfur bacteria were isolated from a freshwater fish pond and an industrial effluent. Both strains were capable of phototrophic and chemotrophic growth. Bacteriochlorophyll a and carotenoids of the spirilloxanthin series were present as photosynthetic pigments. The major fatty acid for both strains was C18 : 1ω7c (>65 %), with minor amounts of 11-methyl C18 : 1ω7c, C16 : 0, C16 : 1ω7c and C18 : 0 also present. Both strains have the lamellar type of intracellular photosynthetic membranes. Ubiquinone-10 (Q10) and rhodoquinone-10 (RQ10) were present as primary quinone components. Diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine and phosphatidylcholine were the major polar lipids, while minor amounts of amino lipids (AL1, AL2) and an unidentified lipid (L1) were common to both strains. The DNA G+C contents of strains JA266T and JA333 were 71.3 and 69.9 mol%, respectively. Phylogenetic analysis on the basis of 16S rRNA gene sequences showed that both strains clustered with members of the genus Rhodoplanes in the class Alphaproteobacteria . Strains JA266T and JA333 had gene sequence similarity of 98.7 and 98.9 % with Rhodoplanes serenus TUT3530T, 96.4 and 96.5 % with Rhodoplanes elegans AS130T, respectively, and less than 96 % with other members of the genus Rhodoplanes . 16S rRNA gene sequence similarity between the two strains was 99.3 % and they exhibited high (84.7 %) relatedness based on DNA–DNA hybridization. Furthermore, both strains had less than 65 % DNA–DNA relatedness with the type strain R. serenus TUT3530T. On the basis of phenotypic and genotypic data, it is proposed that strain JA266T be classified as a novel species of the genus Rhodoplanes , with the species name Rhodoplanes piscinae sp. nov. The type strain of the proposed novel species is JA266T ( = JCM 14934T = KCTC 5627T), while strain JA333 ( = NBRC 107574 = KCTC 5962) is an additional strain.

Flavobacterium yonginense sp. nov. and Flavobacterium myungsuense sp. nov., isolated from a mesotrophic artificial lake

2012 ◽  
Vol 62 (Pt_4) ◽  
pp. 806-810 ◽  
Author(s):  
Yochan Joung ◽  
Haneul Kim ◽  
Tae-Seok Ahn ◽  
Kiseong Joh
Keyword(s):  
Type Strain ◽  
Type Species ◽  
Sequence Similarity ◽  
Rrna Gene ◽  
Bacterial Strains ◽  
16S Rrna Gene Sequences ◽  
Artificial Lake ◽  
Content Type ◽  
Link Type ◽  
Gram Staining

Two non-motile, Gram-staining-negative, yellow-pigmented bacterial strains designated HMD1001T and HMD1033T were isolated from the water of a mesotrophic artificial lake in Korea. A phylogenetic tree based on 16S rRNA gene sequences indicated that both strains could be assigned to the genus Flavobacterium ; strain HMD1001T appeared most closely related to Flavobacterium fluvii H7T (96.8 % sequence similarity), F. succinicans DSM 4002T (96.6 %) and F. hydatis DSM 2063T (96.6 %) whereas strain HMD1033T appeared most closely related to Flavobacterium psychrolimnae LMG 2201T (96.2 %), F. segetis AT1048T (96.2 %) and F. weaverense AT1042T (96.2 %). The major fatty acids of strain HMD1001T were iso-C15 : 0 (21.5 %), summed feature 3 (comprising C16 : 1ω6c and/or C16 : 1ω7c; 18.0 %) and iso-C15 : 1 G (7.6 %), whereas those of HMD1033T were summed feature 3 (23.8 %), iso-C15 : 0 3-OH (16.9 %), iso-C15 : 0 (15.3 %) and anteiso-C15 : 0 (12.1 %). The genomic DNA G+C contents of strains HMD1001T and HMD1033T were 35.9 and 32.2 mol%, respectively. Phylogenetic and phenotypic evidence indicates that strains HMD1001T and HMD1033T represent two novel species of the genus Flavobacterium , for which the names Flavobacterium yonginense sp. nov. (type strain HMD1001T  = KCTC 22796T  = CECT 7594T) and Flavobacterium myungsuense sp. nov. (type strain HMD1033T  = KCTC 22825T  = CECT 7649T) are proposed.

Novosphingobium lindaniclasticum sp. nov., a hexachlorocyclohexane (HCH)-degrading bacterium isolated from an HCH dumpsite

2013 ◽  
Vol 63 (Pt_6) ◽  
pp. 2160-2167 ◽  
Author(s):  
Anjali Saxena ◽  
Shailly Anand ◽  
Ankita Dua ◽  
Naseer Sangwan ◽  
Fazlurrahman Khan ◽  
...  
Keyword(s):  
Fatty Acids ◽  
Phylogenetic Analysis ◽  
Type Strain ◽  
Type Species ◽  
Novel Species ◽  
Sequence Similarity ◽  
Rrna Gene ◽  
Content Type ◽  
Link Type ◽  
Degrading Bacterium

A yellow-pigmented, Gram-negative, aerobic, non-motile, non-spore-forming, rod-shaped-bacterium, LE124T, was isolated from a hexachlorocyclohexane (HCH) dumpsite located in Lucknow, India. The type strain LE124T grew well with hexachlorocyclohexane as a sole carbon source, degrading it within 24 h of incubation. Phylogenetic analysis of strain LE124T showed highest 16S rRNA gene sequence similarity to Novosphingobium barchaimii LL02T (98.5 %), Novosphingobium panipatense SM16T (98.1 %), Novosphingobium soli CC-TPE-1T (97.9 %), Novosphingobium naphthalenivorans TUT562T (97.6 %), Novosphingobium mathurense SM117T (97.5 %) and Novosphingobium resinovorum NCIMB 8767T (97.5 %) and lower sequence similarity (<97 %) to all other members of the genus Novosphingobium . The DNA–DNA relatedness between strain LE124T and N. barchaimii LL02T and other related type strains was found to vary from 15 % to 45 % confirming that it represents a novel species. The genomic DNA G+C content of strain LE124T was 60.7 mol%. The predominant fatty acids were summed feature 8 (C18 : 1ω7c, 49.1 %), summed feature 3 (C16 : 1ω7c/C16 : 1ω6c, 19.9 %), C16 : 0 (6.7 %), C17 : 1ω6c (4.9 %) and a few hydroxyl fatty acids, C14 : 0 2-OH (9.4 %) and C16 : 0 2-OH (2.1 %). Polar lipids consisted mainly of phosphatidyldimethylethanolamine, phosphatidylcholine, diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, phosphatidylmonomethylethanolamine, sphingoglycolipid and some unidentified lipids. The major respiratory quinone was ubiquinone Q-10. Spermidine was the major polyamine observed. Phylogenetic analysis, DNA–DNA hybridization, chemotaxonomic and phenotypic analysis support the conclusion that strain LE124T represents a novel species within the genus Novosphingobium for which we propose the name Novosphingbium lindaniclasticum sp. nov. The type strain is LE124T ( = CCM 7976T = DSM 25409T).

Sphingopyxis rigui sp. nov. and Sphingopyxis wooponensis sp. nov., isolated from wetland freshwater, and emended description of the genus Sphingopyxis

2013 ◽  
Vol 63 (Pt_4) ◽  
pp. 1297-1303 ◽  
Author(s):  
Keun Sik Baik ◽  
Han Na Choe ◽  
Seong Chan Park ◽  
Yeoung Min Hwang ◽  
Eun Mi Kim ◽  
...  
Keyword(s):  
Dna Hybridization ◽  
Type Strain ◽  
Type Species ◽  
Novel Species ◽  
Sequence Similarity ◽  
Pcr Analysis ◽  
Rrna Gene ◽  
Content Type ◽  
Link Type ◽  
Emended Description

Two yellow-pigmented, Gram-reaction-negative strains, designated 01SU5-PT and 03SU3-PT, were isolated from the freshwater of Woopo wetland, Republic of Korea. Both strains were aerobic, non-motile and catalase-negative. Phylogenetic analysis based on 16S rRNA gene sequences indicated that the two isolates belong to the genus Sphingopyxis , showing the highest level of sequence similarity with respect to Sphingopyxis witflariensis W-50T (95.4–95.7 %). The two novel isolates shared 99.4 % sequence similarity. DNA–DNA hybridization between the isolates and the type strain of S. witflariensis clearly suggested that strains 01SU5-PT and 03SU3-PT represent two separate novel species in the genus Sphingopyxis . The two strains displayed different fingerprints after PCR analysis using the repetitive primers BOX, ERIC and REP. Several phenotypic characteristics served to differentiate these two isolates from recognized members of the genus Sphingopyxis . The data from the polyphasic study presented here indicated that strains 01SU5-PT and 03SU3-PT should be classified as representing novel species in the genus Sphingopyxis , for which the names Sphingopyxis rigui sp. nov. and Sphingopyxis wooponensis sp. nov., respectively, are proposed. The type strain of Sphingopyxis rigui sp. nov. is 01SU5-PT ( = KCTC 23326T = JCM 17509T) and the type strain of Sphingopyxis wooponensis sp. nov. is 03SU3-PT ( = KCTC 23340T = JCM 17547T).

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