International Journal of Systematic and Evolutionary Microbiology This is an RSS file. You can use it to subscribe to this data in your favourite RSS reader or to display this data on your own website or blog.

Robust demarcation of the family Peptostreptococcaceae and its main genera based on phylogenomic studies and taxon-specific molecular markers
Int J Syst Evol Microbiol. 2024 Feb;74(2). doi: 10.1099/ijsem.0.006247.ABSTRACTThe family Peptostreptococcaceae, which contains 15 genera including Clostridioides, presently lacks proper circumscription. Using 52 available genomes for Peptostreptococcaceae species, we report comprehensive phylogenomic and comparative analyses to reliably discern their evolutionary relationships. In phylogenetic trees based on core genome proteins and 16S rRNA gene sequences, the examined species formed a strongly supported clade designated as Peptostreptococcaceae sensu stricto. This clade encompassed the genera Peptostreptococcus (type ge...
Source: International Journal of Systematic and Evolutionary Microbiology - February 6, 2024 Category: Microbiology Authors: Sarah Bello Sarah McQuay Bashudev Rudra Radhey S Gupta Source Type: research

 Myceligenerans pegani sp. nov., an endophytic actinomycete isolated from Peganum harmala L. in Xinjiang, PR China
Int J Syst Evol Microbiol. 2024 Feb;74(2). doi: 10.1099/ijsem.0.006179.ABSTRACTAn endophytic actinomycete designated TRM65318T, was isolated from the root of Peganum harmala L. Its taxonomic status was determined using a polyphasic approach. Comparative 16S rRNA gene sequence analysis indicated that strain TRM65318T is phylogenetically most closely related to Myceligenerans salitolerans XHU 5031T (98.15 %) and Myceligenerans xiligouense DSM 15700T (97.78 %). The peptidoglycan belonged to type A4α. The polar lipids were phosphatidylinositol, phosphatidylglycerol, diphosphatidylglycerol, two unknown lipids and three glycoli...
Source: International Journal of Systematic and Evolutionary Microbiology - February 5, 2024 Category: Microbiology Authors: Xin Li YuXiang Yao Zhanfeng Xia XiaoXia Luo LiLi Zhang Source Type: research

 Streptomyces herbicida sp. nov., a novel actinomycete with antibacterial and herbicidal activity isolated from soil
Int J Syst Evol Microbiol. 2024 Feb;74(2). doi: 10.1099/ijsem.0.006263.ABSTRACTA novel actinobacterial strain (NEAU-HV9T) showing antibacterial activity against Ralstonia solanacearum and herbicidal activity against Amaranthus retroflexus L. was isolated from soil sampled in Bama yao Autonomous County, Hechi City, Guangxi Zhuang Autonomous Region. The strain is aerobic and Gram-positive. Phylogenetic analysis based on 16S rRNA gene sequence indicated that strain NEAU-HV9T belonged to the genus Streptomyces and showed high 16S rRNA sequence similarity to Streptomyces panaciradicis 1MR-8T (98.90 %), Streptomyces sasae JR-39T...
Source: International Journal of Systematic and Evolutionary Microbiology - February 5, 2024 Category: Microbiology Authors: Yanfang Luo Ling Ling Kun Zhang Zhengke Song Lida Zhang Jiaxin Li Jie Chen Wensheng Xiang Xiangjing Wang Junwei Zhao Source Type: research

 Paenibacillus glufosinatiresistens sp. nov., a glufosinate-resistant bacterium isolated from sludge
Int J Syst Evol Microbiol. 2024 Feb;74(2). doi: 10.1099/ijsem.0.006259.ABSTRACTA Gram-stain-positive bacterium capable of resisting 5.0 mM glufosinate, designated strain YX-27T, was isolated from a sludge sample collected from a factory in Wuxi, Jiangsu, PR China. Cells were rod-shaped, facultatively anaerobic, endospore-forming, and motile by peritrichous flagella. Growth was observed at 15-42 °C (optimum at 30 °C), pH 4.0-8.0 (optimum pH 7.0-7.5) and with 0-2.5% NaCl (w/v; optimum, 0.5 %). Strain YX-27T could tolerate up to 6.0 mM glufosinate. Strain YX-27T showed the highest 16S rRNA gene sequence similarity to Paenib...
Source: International Journal of Systematic and Evolutionary Microbiology - February 2, 2024 Category: Microbiology Authors: Yan Wu Yuwen Yang Minglai Wan Le Chen Ye Yuan Jian He Baolong Zhang Source Type: research

Description of Chryseobacterium fluminis sp. nov., a keratinolytic bacterium isolated from a freshwater river
Int J Syst Evol Microbiol. 2024 Feb;74(2). doi: 10.1099/ijsem.0.006261.ABSTRACTA Gram-stain-negative, aerobic, rod-shaped bacterial strain, designated MMS21-Ot14T, was isolated from a freshwater river, and shown to represent a novel species of the genus Chryseobacterium on the basis of the results from a polyphasic approach. The 16S rRNA gene sequence analysis revealed that MMS21-Ot14T represented a member of the genus Chryseobacterium of the family Weeksellaceae and was closely related to Chryseobacterium hagamense RHA2-9T (97.52 % sequence similarity), Chryseobacterium gwangjuense THG A18T (97.46 %) and Chryseobacterium ...
Source: International Journal of Systematic and Evolutionary Microbiology - February 2, 2024 Category: Microbiology Authors: Moonsoo Kim Eun Tak Oh Seung Bum Kim Source Type: research

Three novel species of the genus Flavobacterium , Flavobacterium odoriferum sp. nov., Flavobacterium fragile sp. nov. and Flavobacterium luminosum sp. nov., isolated from activated sludge
Int J Syst Evol Microbiol. 2024 Feb;74(2). doi: 10.1099/ijsem.0.006258.ABSTRACTThree Gram-stain-negative, rod-shaped, non-spore-forming bacteria were isolated from activated sludge samples. The results of phylogenetic analysis based on the 16S rRNA gene sequences indicated that the three strains, designated HXWNR29T, HXWNR69T and HXWNR70T, had the highest sequence similarity to the type strains Flavobacterium cheniae NJ-26T, Flavobacterium channae KSM-R2A30T and Flavobacterium amniphilum KYPY10T with similarities of 97.66 %, 98.66 and 98.14 %, respectively. The draft genomes of these three strains were 2.93 Mbp (HXWNR29T),...
Source: International Journal of Systematic and Evolutionary Microbiology - February 2, 2024 Category: Microbiology Authors: Qi Ran Xinran Du Lin Han Jingjing Wang Yue-Zhong Li Source Type: research

Notification of changes in taxonomic opinion previously published outside the IJSEM. List of Changes in Taxonomic Opinion no. 39
Int J Syst Evol Microbiol. 2024 Feb;74(1). doi: 10.1099/ijsem.0.006145.NO ABSTRACTPMID:38299467 | DOI:10.1099/ijsem.0.006145 (Source: International Journal of Systematic and Evolutionary Microbiology)
Source: International Journal of Systematic and Evolutionary Microbiology - February 1, 2024 Category: Microbiology Authors: Aharon Oren Markus G öker Source Type: research

Notification that new names of prokaryotes, new combinations, and new taxonomic opinions have appeared in volume 73, part 10 of the IJSEM
Int J Syst Evol Microbiol. 2024 Feb;74(1). doi: 10.1099/ijsem.0.006172.NO ABSTRACTPMID:38299470 | DOI:10.1099/ijsem.0.006172 (Source: International Journal of Systematic and Evolutionary Microbiology)
Source: International Journal of Systematic and Evolutionary Microbiology - February 1, 2024 Category: Microbiology Authors: Aharon Oren Markus G öker Source Type: research

Validation List no. 215. Valid publication of new names and new combinations effectively published outside the IJSEM
Int J Syst Evol Microbiol. 2024 Feb;74(1). doi: 10.1099/ijsem.0.006173.NO ABSTRACTPMID:38299482 | DOI:10.1099/ijsem.0.006173 (Source: International Journal of Systematic and Evolutionary Microbiology)
Source: International Journal of Systematic and Evolutionary Microbiology - February 1, 2024 Category: Microbiology Authors: Aharon Oren Markus G öker Source Type: research

 Corynebacterium mendelii sp. nov., a novel bacterium isolated from Ad élie penguin oral cavity
Int J Syst Evol Microbiol. 2024 Jan;74(1). doi: 10.1099/ijsem.0.006244.ABSTRACTThe taxonomic status of strain P5891T, isolated from an Adélie penguin beak swab, was investigated. Based on the 16S rRNA gene sequence, the strain was identified as a potentially novel Corynebacterium species, with the highest sequence similarities to Corynebacterium rouxii FRC0190T (96.7 %) and Corynebacterium epidermidicanis DSM 45586T (96.6 %). The average nucleotide identity values between strain P5891T and C. rouxii FRC0190T and C. epidermidicanis DSM 45586T were 68.2 and 69.2 %, respectively. The digital DNA-DNA hybridization values betw...
Source: International Journal of Systematic and Evolutionary Microbiology - January 30, 2024 Category: Microbiology Authors: Vendula Koublov á Karel Sedl ář Ivo Sedl áček Jana Musilov á Eva Sta ňková Stanislava Kr álová Sylva Koudelkov á Daniel Krsek Pavel Švec Source Type: research

Emendation of Appendix 9 of the International Code of Nomenclature of Prokaryotes to provide guidelines for naming genera after geographical locations
Int J Syst Evol Microbiol. 2024 Jan;74(1). doi: 10.1099/ijsem.0.006252.ABSTRACTFollowing a proposal to emend Appendix 9 of the International Code of Nomenclature of Prokaryotes with guidelines for the naming of genera after geographical locations, I here report the outcome of the ballot on this proposal by the members of the International Committee on Systematics of Prokaryotes and present the guidelines to be incorporated in Appendix 9.PMID:38289226 | DOI:10.1099/ijsem.0.006252 (Source: International Journal of Systematic and Evolutionary Microbiology)
Source: International Journal of Systematic and Evolutionary Microbiology - January 30, 2024 Category: Microbiology Authors: Aharon Oren Source Type: research

 Massilia litorea sp. nov., Marinobacter salinisoli sp. nov. and Rhodobacter xanthinilyticus sp. nov., isolated from coastal environments
Int J Syst Evol Microbiol. 2024 Jan;74(1). doi: 10.1099/ijsem.0.006255.ABSTRACTThree bacterial strains, namely LPB0304T, LPB0319T and LPB0142T, were isolated from coastal environments. The 16S rRNA gene sequences of the three isolates were found to show the highest sequence similarities to Massilia litorea (98.44 %), Marinobacter salinisoli (97.55 %) and Rhodobacter lacus (97.60 %), respectively. The low (<98.7 %) sequence similarities and tree topologies implied the novelty of the three isolates, representing novel genomic species of the genus Massilia, Marinobacter and Rhodobacter. Numerous biochemical and physiologic...
Source: International Journal of Systematic and Evolutionary Microbiology - January 30, 2024 Category: Microbiology Authors: Banseok Lee Donghoon Shin Juseong Kim Su-Kyoung Shin Hana Yi Min-Gyung Baek Source Type: research

Three novel Luteimonas species from a root and rhizosphere soil of Kalidium cuspidatum : Luteimonas endophytica sp. nov., Luteimonas rhizosphaericola sp. nov. and Luteimonas kalidii sp. nov
Int J Syst Evol Microbiol. 2024 Jan;74(1). doi: 10.1099/ijsem.0.006257.NO ABSTRACTPMID:38284380 | DOI:10.1099/ijsem.0.006257 (Source: International Journal of Systematic and Evolutionary Microbiology)
Source: International Journal of Systematic and Evolutionary Microbiology - January 29, 2024 Category: Microbiology Authors: Hua-Mei Wei Lian Xu Xu Zhang Ji-Quan Sun Source Type: research

 Parachitinimonas caeni gen. nov., sp. nov., a novel member of family Burkholderiaceae isolated from activated sludge collected in Shenzhen, PR China
Int J Syst Evol Microbiol. 2024 Jan;74(1). doi: 10.1099/ijsem.0.006249.ABSTRACTA Gram-stain-negative, strictly aerobic and filamentous bacterial strain, designated as DQS-5T, was isolated from the activated sludge of a municipal sewage treatment plant in Shenzhen, PR China. Optimal growth was observed at 28 °C and pH 7.5. Catalase and oxidase activities were detected. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain DQS-5T was most closely related to the genera Chitinimonas and Chitinivorax (91.0-93.4 % and 92.5 % 16S rRNA gene sequence similarity, respectively) and was close to the member of the ...
Source: International Journal of Systematic and Evolutionary Microbiology - January 29, 2024 Category: Microbiology Authors: Xin Wang Han Chen Jing Wang Siliang Yuan Dian Jiao Shanhui Wang Yaqi Liu Yan Li Jingcheng Dai Shuyang Li Dongru Qiu Source Type: research

 Starmerella kisarazuensis f.a., sp. nov., a novel yeast isolated from Trifolium pratense flowers
Int J Syst Evol Microbiol. 2024 Jan;74(1). doi: 10.1099/ijsem.0.006253.ABSTRACTThree yeast isolates, NBRC 115909T, NBRC 115910 and NBRC 116270, were isolated from Trifolium pratense (red clover) flowers collected from Kisarazu, Chiba, Japan. Analysis of the sequences of the D1/D2 domains of the large subunit (LSU) rRNA gene and the internal transcribed spacer (ITS) regions revealed that these isolates represent a single novel species within the genus Starmerella. Also, no ascospore formation was observed. The yeast isolates were closely related to Starmerella vitae UWOPS 00-107.2T and Starmerella bombi NRRL Y-17081T. They ...
Source: International Journal of Systematic and Evolutionary Microbiology - January 29, 2024 Category: Microbiology Authors: Kaito Shibayama Yumiko Miyazaki Mai Ikeda Kaoru Yamaguchi Shigeki Inaba Atsushi Yamazaki Source Type: research