Verrucosispora andamanensis sp. nov., isolated from a marine sponge

2013 ◽  
Vol 63 (Pt_11) ◽  
pp. 3970-3974 ◽  
Author(s):  
Khomsan Supong ◽  
Chanwit Suriyachadkun ◽  
Khanit Suwanborirux ◽  
Pattama Pittayakhajonwut ◽  
Chitti Thawai
Keyword(s):  
Marine Sponge ◽  
Type Species ◽  
Diaminopimelic Acid ◽  
Rrna Gene ◽  
Polar Lipid Profile ◽  
Content Type ◽  
Link Type ◽  
The Family ◽  
Actinomycete Strain

An actinomycete strain, SP03-05T, was isolated from a marine sponge sample (Xestospongia sp.) collected from Phuket Province of Thailand. The strain was aerobic, Gram-stain-positive and produced single spores at the tips of the substrate mycelium. Strain SP03-05T contained meso-diaminopimelic acid in the peptidoglycan; whole-cell sugars were arabinose, galactose, glucose, rhamnose, ribose and xylose. The polar lipid profile of strain SP03-05T consisted of phosphatidylethanolamine, diphosphatidylglycerol, phosphatidylinositol, phosphatidylinositol mannosides and unknown polar lipids. Morphological and chemotaxonomic characteristics of the strain identified it as a member of the family Micromonosporaceae . Phylogenetic analysis based on 16S rRNA gene sequences showed similarity of the strain to Verrucosispora lutea YIM 013T (96.90 %), Verrucosispora sediminis MS426T (96.90 %), Verrucosispora gifhornensis DSM 44337T (96.80 %), Verrucosispora maris AB-18-032T (96.80 %) and Verrucosispora qiuiae RtIII47T (95.40 %). The DNA G+C content was 72.4 mol%. The phenotypic, genotypic and DNA–DNA hybridization results supported the classification of this strain as a representative of a novel species in the genus Verrucosispora , for which the name Verrucosispora andamanensis sp. nov. is proposed. The type strain is SP03-05T ( = BCC 45620T = NBRC 109075T).

scholarly journals Haloactinopolyspora alkaliphila sp. nov., and emended description of the genus Haloactinopolyspora

2014 ◽  
Vol 64 (Pt_6) ◽  
pp. 1945-1951 ◽  
Author(s):  
Yong-Guang Zhang ◽  
Qing Liu ◽  
Hong-Fei Wang ◽  
Dao-Feng Zhang ◽  
Yuan-Ming Zhang ◽  
...  
Keyword(s):  
Type Species ◽  
Sequence Similarity ◽  
Diaminopimelic Acid ◽  
Rrna Gene ◽  
Content Type ◽  
North West ◽  
Link Type ◽  
Hybridization Data ◽  
Actinomycete Strain ◽  
Diamino Acid

A facultatively alkaliphilic actinomycete strain, designated EGI 80088T, was isolated from a saline-alkali soil sample from Xinjiang province, north-west China, and subjected to a polyphasic taxonomic characterization. Strain EGI 80088T formed fragmented aerial hyphae and short spore chains, and rod-like spores aggregated at maturity. Whole-cell hydrolysates of the isolate contained ll-diaminopimelic acid as the diagnostic diamino acid, and glucosamine, mannose, galactose, glucose and rhamnose as the marker sugars. The major fatty acids identified (>5 %) were anteiso-C15 : 0, iso-C15 : 0, summed feature 4 (iso-C17 : 1I/anteiso-C17 : 1B), iso-C16 : 0 and anteiso-C17 : 0. The predominant menaquinone was MK-9(H4). The G+C content of the genomic DNA of strain EGI 80088T was 70.6 mol%. EGI 80088T showed the highest 16S rRNA gene sequence similarity to its closest phylogenetic neighbour Haloactinopolyspora alba YIM 93246T (98.5 %). The DNA–DNA relatedness value of the strain EGI 80088T and H. alba YIM 93246T was 59.3±5.2 %. On the basis of morphological, chemotaxonomic and phylogenetic characteristics and DNA–DNA hybridization data, strain EGI 80088T represents a novel species of the genus Haloactinopolyspora , for which the name Haloactinopolyspora alkaliphila sp. nov. (type strain EGI 80088T = BCRC 16946T = JCM 19128T) is proposed. The description of the genus Haloactinopolyspora has also been emended.

scholarly journals Brevilactibacter flavus gen. nov., sp. nov., a novel bacterium of the family Propionibacteriaceae isolated from raw milk and dairy products and reclassification of Propioniciclava sinopodophylli as Brevilactibacter sinopodophylli comb. nov.

2020 ◽  
Vol 70 (4) ◽  
pp. 2186-2193 ◽  
Author(s):  
Mareike Wenning ◽  
Franziska Breitenwieser ◽  
Christopher Huptas ◽  
Etienne Doll ◽  
Benedikt Bächler ◽  
...  
Keyword(s):  
Dairy Products ◽  
Type Species ◽  
Phylogenetic Analyses ◽  
Raw Milk ◽  
Cellular Fatty Acid ◽  
Diaminopimelic Acid ◽  
Rrna Gene ◽  
Content Type ◽  
Link Type ◽  
The Family

Eight facultatively anaerobic rod-shaped bacteria were isolated from raw milk and two other dairy products. Results of phylogenetic analyses based on 16S rRNA gene sequences showed that the isolates are placed in a distinct lineage within the family Propionibacteriaceae with Propioniciclava sinopodophylli and Propioniciclava tarda as the closest relatives (94.6 and 93.5 % similarity, respectively). The cell-wall peptidoglycan contained meso-diaminopimelic acid, alanine and glutamic acid and was of the A1γ type (meso-DAP-direct). The major cellular fatty acid was anteiso-C15 : 0 and the major polar lipids were diphosphatidylglycerol, phosphatidyglycerol and three unidentified glycolipids. The quinone system contained predominantly menaquinone MK-9(H4). The G+C content of the genomic DNA of strain VG341T was 67.7 mol%. The whole-cell sugar pattern contained ribose, rhamnose, arabinose and galactose. On the basis of phenotypic and genetic data, eight strains (VG341T, WS4684, WS4769, WS 4882, WS4883, WS4901, WS4902 and WS4904) are proposed to be classified as members of a novel species in a new genus of the family Propionibacteriaceae , for which the name Brevilactibacter flavus gen. nov., sp. nov. is proposed. The type strain is VG341T (=WS4900T=DSM 100885T=LMG 29089T) and seven additional strains are WS4684, WS4769, WS4882, WS4883, WS4901, WS4902 and WS4904. Furthermore, we propose the reclassification of P. sinopodophylli as Brevilactibacter sinopodophylli comb. nov.

scholarly journals Bacillus acidinfaciens sp. nov., isolated from farmland soil

2019 ◽  
Vol 69 (4) ◽  
pp. 1075-1080 ◽  
Author(s):  
Leni Sun ◽  
Yan Chen ◽  
Wei Tian ◽  
Lunguang Yao ◽  
Zhaojin Chen ◽  
...  
Keyword(s):  
Type Species ◽  
Phylogenetic Analyses ◽  
Draft Genome ◽  
Diaminopimelic Acid ◽  
Rrna Gene ◽  
Unidentified Phospholipid ◽  
Polar Lipid Profile ◽  
Content Type ◽  
Link Type ◽  
Farmland Soil

A Gram-stain-positive, rod-shaped, motile bacterial strain, designated 3-2-2T, was isolated from field topsoil collected from a western suburb of Nanyang city, Henan province, China. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain 3-2-2T was a member of the genus Bacillus and most closely related to Bacillus fortis R-6514T (98.9 % similarity), Bacillus terrae RA9T (98.0 %) and Bacillus fordii R-7190T (97.7 %). A draft genome sequence determined for strain 3-2-2T revealed a DNA G+C content of 42.2 mol%. The average nucleotide identity and digital DNA–DNA hybridization values between 3-2-2T and the closely related Bacillus species ranged 79.4–84.2 % and 23.4–24.6 %. The major fatty acids of strain 3-2-2T were iso-C15 : 0, anteiso-C15 : 0, iso-C14 : 0 and iso-C16 : 0. The major isoprenoid quinone was MK-7. meso-Diaminopimelic acid was detected in the peptidoglycan. The polar lipid profile consisted of diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, an unidentified phospholipid and an unidentified lipid. The results of phylogenetic analyses, in silico genomic comparisons, and chemotaxonomic and phenotypic analyses clearly indicated that strain 3-2-2T represents a novel species within the genus Bacillus , for which the name Bacillus acidinfaciens sp. nov. is proposed. The type strain is 3-2-2T (=CGMCC 1.13685T=LMG 30839T).

Kaistella flava sp. nov., isolated from Antarctic tundra soil, and emended descriptions of Kaistella yonginensis, Kaistella jeonii, Kaistella antarctica and Kaistella chaponensis

2021 ◽  
Author(s):  
Xiaoya Peng ◽  
Yumin Zhang ◽  
Yijing Lu ◽  
Xueyin Zhou ◽  
Zhourui Wei ◽  
...  
Keyword(s):  
Type Species ◽  
Rrna Gene ◽  
Aerobic Bacterium ◽  
Polar Lipid Profile ◽  
Content Type ◽  
Link Type ◽  
The Family ◽  
Optimum Ph ◽  
Genome Level ◽  
Sequence Similarities

A rod-shaped, yellow-pigmented, Gram-stain-negative, non-motile and aerobic bacterium, designated 7-3AT, was isolated from soil from King George Island, maritime Antarctica, and subjected to a polyphasic taxonomic study. Growth occurred at 4–37 °C (optimum, 20°C) and at pH 5.0–9.0 (optimum, pH 7.0–8.0). Tolerance to NaCl was up to 4 % (w/v) with optimum growth in the absence of NaCl. The results of phylogenetic analysis based on 16S rRNA gene sequences indicated that strain 7-3AT represented a member of the family Flavobacteriaceae . Strain 7-3AT showed the highest sequence similarities with Kaistella yonginensis HMD 1043T (96.65 %), Kaistella carnis NCTC 13525T (96.53 %), Kaistella chaponensis DSM 23145T (96.27 %), Kaistella antarctica LMG 24720T (96.13 %) and Kaistella jeonii DSM 17048T (96.06 %). A whole genome-level comparison of 7-3AT with K. jeonii DSM 17048T, K. antarctica LMG 24720T, K. chaponensis DSM 23145T, and Kaistella palustris DSM 21579T revealed average nucleotide identity (ANI) values of 79.03, 82.25, 78.12, and 74.42 %, respectively. The major respiratory isoprenoid quinone was identified as MK-6 and a few ubiquinones Q-10 were identified. In addition, flexirubin-type pigments were absent. The polar lipid profile of 7-3AT was found to contain one phosphatidylethanolamine, six unidentified aminolipids (AL) and two unidentified lipids (L). The G+C content of the genomic DNA was determined to be 34.54 mol%. The main fatty acids were iso-C15 : 0, summed feature 9 (comprising iso-C17 : 1ω9c and/or C16 : 0 10-methyl), anteiso-C15 : 0, iso-C13 : 0 and summed feature 3 (comprising C16 : 1ω7c and/or C16 : 1ω6c). On the basis of the evidence presented in this study, a novel species of the genus Kaistella , Kaistella flava sp. nov., is proposed, with the type strain 7-3AT (=CCTCC AB 2016141T= KCTC 52492T). Emended descriptions of Kaistella yonginensis , Kaistella jeonii , Kaistella antarctica and Kaistella chaponensis are also given.

Fertoeibacter niger gen. nov., sp. nov. a novel alkaliphilic bacterium of the family Rhodobacteraceae

2019 ◽  
Vol 71 (3) ◽  
Author(s):  
Sára Szuróczki ◽  
Gorkhmaz Abbaszade ◽  
Dominika Buni ◽  
Károly Bóka ◽  
Peter Schumann ◽  
...  
Keyword(s):  
Type Species ◽  
Draft Genome ◽  
Rrna Gene ◽  
Bacterial Strains ◽  
Unidentified Phospholipid ◽  
Polar Lipid Profile ◽  
Novel Genus ◽  
Content Type ◽  
Link Type ◽  
The Family

Three Gram-stain-negative, non-motile, oxidase- and catalase-positive, rod-shaped, black, facultative phototrophic bacterial strains, RG-N-1aT, DMA-N-7a and RA-N-9 were isolated from the water sample from Lake Fertő/Neusiedler See (Hungary). Phylogenetic analysis based on the 16S rRNA gene sequences revealed that the strains form a distinct linage within the family Rhodobacteraceae and their closest relatives are Tabrizicola piscis K13M18T (96.32%) followed by Cypionkella psychrotolerans PAMC 27389T (96.25%). The novel bacterial strains prefer alkaline environments and grow optimally at 23–33 °C in the presence of NaCl (1–2 w/v%). Bacteriochlorophyll a was detected. Cells contained exclusively ubiquinone Q-10. The major cellular fatty acids were C18 : 1ω7c, C19 : 1iso ω5c, C18 : 0 3-OH and C18 : 1ω7c 11-methyl. The polar lipid profile contains diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylcholine, an unidentified phospholipid and four unidentified lipids. The assembled draft genome of RG-N-1aT had 33 contigs with N50 values 315 027 nt, 96× genome coverage, total length of 4 326 551 bp and a DNA G+C content of 64.9%. Genome-based calculations (genome-to-genome distance and DNA G+C percentage) and pairwise amino acid identity (AAI <73.5%) indicate that RG-N-1aT represents a novel genus. RG-N-1aT (=DSM 108317T=NCAIM B.02647T) is suggested as the type strain of a novel genus and species in the family Rhodobacteraceae , for which the name Fertoeibacter niger gen. nov., sp. nov. is proposed.

Muriiphilus fusiformis gen. nov., sp. nov., a novel non-marine bacterium belonging to the Roseobacter group, and reclassification of Maritimibacter lacisalsi (Zhong et al. 2015) as Muriicola lacisalsi gen. nov., comb. nov.

2021 ◽  
Vol 71 (6) ◽  
Author(s):  
Yu-Wen Wang ◽  
Wen-Ting Ren ◽  
Yuan-You Xu ◽  
Xin-Qi Zhang
Keyword(s):  
Type Species ◽  
Sequence Similarity ◽  
Water Soluble ◽  
Rrna Gene ◽  
Wastewater Sample ◽  
Polar Lipid Profile ◽  
Novel Genus ◽  
Content Type ◽  
Link Type ◽  
The Family

An aerobic, Gram-stain-negative, non-sporulating, flagellated and spindle-like bacterium, designated HY14T, was isolated from a pickle-processing factory wastewater sample. The isolate chemoheterotrophically grew at 4–42 °C (optimum, 35 °C) and pH 5.5–9.0 (optimum, pH 6.0–6.5). Salt was required for growth (0.5–12 % NaCl, w/v). A deep brown and water-soluble uncharacterized pigment was produced when grown in certain media. The predominant fatty acids (>5 %) included C16 : 0, C18 : 1  ω7c, 11-methyl C18 : 1  ω7c and C19 : 0 cyclo ω8c. The polar lipid profile consisted of diphosphatidylglycerol, phosphatidylglycerol, phosphatidylcholine, two unidentified aminolipids, two unidentified phospholipids, two unidentified glycolipids and five unknown lipids. The major isoprenoid quinone was ubiquinone-10. Pairwise alignment based on 16S rRNA gene sequences indicated that strain HY14T had the highest sequence similarity to genera Maritimibacter (95.61–96.05 %) and Boseongicola (95.82 %). Phylogenetic analysis based on core genome illustrated that strain HY14T formed a monophyletic lineage with members of the genus Maritimibacter in the clade of the Roseobacter group in the family Rhodobacteraeceae. The core-gene average amino acid identity used to define bacterial genera by a threshold of 60–80 % was calculated to be 68.56–76.5 % between HY14T and closely related taxa. Several genomic characteristics, such as carrying two RuBisCO-mediated pathways and different osmoprotectant transport pathways, exhibited the genotypic discrepancies of strain HY14T. Based on the polyphasic taxonomic characterization, strain HY14T is considered to represent a novel species of a novel genus belonging to the family Rhodobacteraeceae, for which the name Muriiphilus fusiformis gen. nov., sp. nov. is proposed. The type strain is HY14T (=CGMCC 1.15973T=KCTC 52499T). Maritimibacter lacisalsi (Zhong et al. 2015) is considered to diverge from Maritimibacter alkaliphilus at the genus level, and should be reassigned as a novel genus, for which the name Muriicola lacisalsi gen. nov., comb. nov. is proposed.

scholarly journals Salinactinospora qingdaonensis gen. nov., sp. nov., a halophilic actinomycete isolated from a salt pond

2012 ◽  
Vol 62 (Pt_4) ◽  
pp. 954-959 ◽  
Author(s):  
Xianbo Chang ◽  
Wenzheng Liu ◽  
Xiao-Hua Zhang
Keyword(s):  
Type Species ◽  
Aerial Mycelium ◽  
Optimal Growth ◽  
Diaminopimelic Acid ◽  
Rrna Gene ◽  
Content Type ◽  
Salt Pond ◽  
Link Type ◽  
The Family ◽  
Deep Yellow

A novel halophilic, filamentous, actinomycete strain, designated CXB832T, was isolated from a salt pond in Qingdao, China. Optimal growth occurred at 37 °C, pH 7.0–8.0 and 9–12 % (w/v) NaCl. Strain CXB832T formed pale yellow to deep yellow branched substrate mycelium without fragmentation. Abundant white aerial mycelium differentiated into long chains of spores and the spores were rod-shaped with smooth surfaces. Strain CXB832T contained meso-diaminopimelic acid as the diagnostic diamino acid of the cell-wall peptidoglycan, and glucose and xylose as the major whole-cell sugars. The phospholipids were diphosphatidylglycerol, phosphatidylglycerol, phospholipids, glycolipid and unidentified lipids. MK-10(H8), MK-9(H8), MK-10(H2) and MK-10(H6) were the predominant menaquinones. The major fatty acids were i-C16 : 0 (30.71 %), ai-C17 : 0 (13.31 %) and C16 : 0 (11.28 %). The G+C content of the DNA was 60.1 mol%. Comparative analysis of 16S rRNA gene sequences showed that the novel strain was most closely related to genera within the family Nocardiopsaceae , but formed a separate lineage. The highest sequence similarities were to Nocardiopsis arabia DSM 45083T (95.4 %) and Haloactinospora alba DSM 45015T (94.9 %). On the basis of phenotypic, chemotaxonomic and phylogenetic distinctiveness, strain CXB832T represents a new genus and novel species in the family Nocardiopsaceae , for which the name Salinactinospora qingdaonensis gen. nov., sp. nov. is proposed. The type strain of the type species is CXB832T ( = DSM 45442T = LMG 25567T).

scholarly journals Paenibacillus susongensis sp. nov., a mineral-weathering bacterium

2014 ◽  
Vol 64 (Pt_12) ◽  
pp. 3958-3963 ◽  
Author(s):  
Xin-Qi Guo ◽  
Jia-Yu Gu ◽  
Ya-Jun Yu ◽  
Wen-Bin Zhang ◽  
Lin-Yan He ◽  
...  
Keyword(s):  
Type Species ◽  
Mineral Weathering ◽  
Diaminopimelic Acid ◽  
Rrna Gene ◽  
Polar Lipid Profile ◽  
Content Type ◽  
Link Type ◽  
Pr China ◽  
Unknown Lipid ◽  
Total Dna

A Gram-stain-positive, rod-shaped, endospore-forming, aerobic bacterial strain, designated M327T, was isolated from the weathered surfaces of rock (mica schist) from Susong, Anhui Province, PR China. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain M327T belonged to the genus Paenibacillus and was related most closely to Paenibacillus terrigena A35T (98.6 % similarity) and Paenibacillus selenitireducens ES3-24T (98.3 %). Strain M327T contained meso-diaminopimelic acid in the cell wall and MK-7 as the major menaquinone. The main fatty acids of strain M327T were anteiso-C15 : 0 and iso-C16 : 0. The polar lipid profile contained diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, three unknown aminophospholipids and an unknown lipid. The total DNA G+C content of strain M327T was 48.6 mol%. Based on the low level of DNA–DNA relatedness (ranging from 26.6 to 33.1 %) to these type strains of species of the genus Paenibacillus and unique phenotypic characteristics, it is suggested that strain M327T represents a novel species of the genus Paenibacillus , for which the name Paenibacillus susongensis sp. nov. is proposed. The type strain is M327T ( = CCTCC AB 2014058T = LMG 28236T = JCM 19951T).

Gordonia phosphorivorans sp. nov., isolated from a wastewater bioreactor with phosphorus removal

2013 ◽  
Vol 63 (Pt_1) ◽  
pp. 230-235 ◽  
Author(s):  
P. Kämpfer ◽  
K. Martin ◽  
W. Dott
Keyword(s):  
Phosphorus Removal ◽  
Type Species ◽  
Sequence Similarity ◽  
Diaminopimelic Acid ◽  
Rrna Gene ◽  
Biochemical Tests ◽  
Polar Lipid Profile ◽  
Content Type ◽  
Mycolic Acids ◽  
Link Type

Two Gram-stain-positive, non-endospore-forming actinobacteria (Ca8Tand Ca14) were isolated from a bioreactor with extensive phosphorus removal. Based on 16S rRNA gene sequence similarity comparisons, strains Ca8T and Ca14 were shown to belong to the genus Gordonia and were most closely related to Gordonia hirsuta DSM 44140T (98.0 % sequence similarity) and Gordonia hydrophobica DSM 44015T (97.2 %). In comparison with the sequences of the type strains of all other species of the genus Gordonia tested, similarities were below 97 %. The quinone systems of the strains were determined to consist predominantly of MK-9H2. The polar lipid profile for both organisms consisted of diphosphatidylglycerol, phosphatidylglycerol, phospatidylethanolamine, phosphatidylinositol and phosphatidylinositol mannoside. Whole-organism hydrolysates contained meso-diaminopimelic acid as the diamino acid of the peptidoglycan; mycolic acids were detected as well. These chemotaxonomic traits and the major fatty acids, which were C16 : 1 cis-9, C16 : 0 and C18 : 1 and tuberculostearic acid strongly supported the grouping of strains Ca8T and Ca14 into the genus Gordonia . The two strains showed a DNA–DNA similarity of 96 %. DNA–DNA hybridizations of strain Ca8T with G. hirsuta DSM 44140T and G. hydrophobica DSM 44015T resulted in values of 26.3 and 25.0 %, respectively. These results and those of the physiological and biochemical tests allowed a clear phenotypic differentiation of strains Ca8T and Ca14 from the most closely related species of the genus Gordonia . It is concluded that strains Ca8T and Ca14 represent a novel species, for which the name Gordonia phosphorivorans sp. nov. is proposed, with the type strain Ca8T ( = DSM 45630T = CCUG 61533T = CCM 7957T = LMG 26648T).

scholarly journals Melghirimyces algeriensis gen. nov., sp. nov., a member of the family Thermoactinomycetaceae , isolated from a salt lake

2012 ◽  
Vol 62 (Pt_7) ◽  
pp. 1491-1498 ◽  
Author(s):  
Ammara Nariman Addou ◽  
Peter Schumann ◽  
Cathrin Spröer ◽  
Hocine Hacene ◽  
Jean-Luc Cayol ◽  
...  
Keyword(s):  
Type Species ◽  
Salt Lake ◽  
Rrna Gene ◽  
Phenotypic Analysis ◽  
Polar Lipid Profile ◽  
Content Type ◽  
Link Type ◽  
The Family ◽  
Type Strains ◽  
Sequence Similarities

A novel filamentous bacterium, designated NariEXT, was isolated from soil collected from Chott Melghir salt lake, which is located in the south-east of Algeria. The strain was an aerobic, halotolerant, thermotolerant, Gram-positive bacterium that was able to grow in NaCl concentrations up to 21 % (w/v), at 37–60 °C and at pH 5.0–9.5. The major fatty acids were iso- and anteiso-C15 : 0. The DNA G+C content was 47.3 mol%. The major menaquinone was MK-7, but MK-6 and MK-8 were also present. The polar lipid profile consisted of phosphatidylglycerol, diphosphatidylglycerol, phosphatidylethanolamine and phosphatidylmonomethylethanolamine (methyl-PE). Results of molecular and phenotypic analysis led to the description of the strain as a new member of the family Thermoactinomycetaceae . The isolate was distinct from members of recognized genera of this family by morphological, biochemical and chemotaxonomic characteristics. Strain NariEXT showed 16S rRNA gene sequence similarities of 95.38 and 94.28 % with the type strains of Desmospora activa and Kroppenstedtia eburnea , respectively, but differed from both type strains in its sugars, polar lipids and in the presence of methyl-PE. On the basis of physiological and phylogenetic data, strain NariEXT represents a novel species of a new genus of the family Thermoactinomycetaceae for which the name Melghirimyces algeriensis gen. nov., sp. nov. is proposed. The type strain of Melghirimyces algeriensis, the type species of the genus, is NariEXT ( = DSM 45474T = CCUG 59620T).

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