International journal of systematic and evolutionary microbiology最新文献

{"title":"<i>Thermohahella caldifontis</i> gen. nov., sp. nov., a thermo-halophilic bacterium isolated from a hot spring.","authors":"Dariimaa Ganbat, Sondor Ganbat, Bo Hyeon Park, Min Kyeong Kim, Jae-Yoon Sung, Won-Jae Chi, Seong-Bo Kim, Dong-Woo Lee, Sang-Jae Lee","doi":"10.1099/ijsem.0.006843","DOIUrl":"https://doi.org/10.1099/ijsem.0.006843","url":null,"abstract":"<p><p>A novel Gram-stain-negative, motile and thermo-halophilic rod-shaped bacterium SMD15-11^T was isolated from Seokmodo hot spring in Incheon, Republic of Korea. The strain grew at concentrations of 0.5-7% (w/v) NaCl (optimum at 3%), at pH 5.0-9.0 (optimum at 7.0) and in a temperature range of 30-60 °C (optimum at 50 °C). Strain SMD15-11^T shared the highest 16S rRNA gene sequence percentage with <i>Hahella chejuensis</i> 96CJ10356^T (92.5%). Both the phylogenetic and phylogenomic analyses showed that strain SMD15-11^T clustered with <i>Hahellaceae</i> members, demonstrating its close relatedness to the type species of the <i>Hahellaceae</i> family. The genome-relatedness indices between strain SMD15-11^T and other type species of the family <i>Hahellaceae</i> were in the ranges of 67.2-69.1% for average nucleotide identity, 59.3-62.8% for average amino acid identity and 15.9-24.8% for digital DNA-DNA hybridization, which were significantly below the cut-off values for the genus delineation. The genome comprised 3,444,746 bp with a G+C content of 60.1 mol%. The polar lipids contained phosphatidylethanolamine, phosphatidylglycerol, diphosphatidylglycerol, four unidentified phospholipids, two unidentified aminophospholipids and two unidentified lipids. The predominant fatty acids are C_16:1 <i> ω9c</i>, C_16:0, C_18:1 <i> ω9c</i> and summed feature 3, comprising C_16:1 <i> ω7c/</i>C_16: 1 <i> ω6c</i>. The polyphasic taxonomic properties indicate that the strain represents a novel genus and species in the family <i>Hahellaceae</i> for which the name <i>Thermohahella caldifontis</i> gen. nov., sp. nov. is proposed. The type strain is SMD15-11^T (=KCTC 8289^T=NBRC 116488^T).</p>","PeriodicalId":14390,"journal":{"name":"International journal of systematic and evolutionary microbiology","volume":"75 7","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144608332","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"<i>Pseudidiomarina salilacus</i> sp. nov., a novel bacterium of the genus <i>Pseudidiomarina</i> isolated from sediment in Yuncheng Salt Lake.","authors":"Hui-Ying Yu, Jia-Tan Wei, Chuan-Xu Wang, Zhuo Wang, Ya-Jie Niu, Wen-Jun Li, Bao-Zhu Fang, Hao-Ran Guo, Xin Li","doi":"10.1099/ijsem.0.006846","DOIUrl":"https://doi.org/10.1099/ijsem.0.006846","url":null,"abstract":"<p><p>Three Gram-stain-negative, aerobic, rod-shaped, yellow-pigmented bacteria, designated YC-516-91^T, YC-516-48 and YC-516-93, were isolated from a sediment sample of Yuncheng Salt Lake in China. Growth occurred at 15-42 ℃ (optimum 32-37 ℃), pH 6.0-10.0 (optimum pH 7.0-8.0) and with 1-11.0% NaCl (w/v, optimum 3%). Strain YC-516-91^T was positive for hydrolysis of Tween 80 and starch, but negative for nitrate reduction, urease, H₂S production, hydrolysis of Tween 40 or gelatin. Phylogenetic analysis based on 16S rRNA gene and genome sequences showed that YC-516-91^T, YC-516-48 and YC-516-93 belonged to the genus <i>Pseudidiomarina</i>. 16S rRNA gene sequence similarity values of YC-516-91^T to the closest related type strains <i>Pseudidiomarina atlantica</i> MCCC T A10513^T, <i>Pseudidiomarina terrestris</i> 1APP75-27a^T and <i>Pseudidiomarina donghaiensis</i> 908033^T were below 97.99%. Strains YC-516-91^T, YC-516-48 and YC-516-93 have average nucleotide identity (ANI) values of 99-100%, digital DNA-DNA hybridization values of 92.1-97.4% and average amino acid (AAI) values of 99-100%, suggesting that they belong to the same species. These strains are closely related to <i>P. atlantica</i> MCCC 1A10513^T, with ANI and AAI of around 92-93%, below the species delineation cut-off, thus indicating that they represent a novel species. The genome of strain YC-516-91^T was 2,723,173 bp, and the genomic DNA G+C content was 50.24 mol%. The only respiratory quinone was Q-8, and the major fatty acids (>10%) were iso-C_17 : 0 and iso-C_15 : 0. The major polar lipids consisted of diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylglycerol, phospholipid, glycolipid, unidentified aminolipids and two unidentified polar lipids. Thus, strains YC-516-91^T, YC-516-48 and YC-516-93 represent a novel species based on their chemotaxonomic, phenotypic and phylogenetic characteristics. Strain YC-516-91^T is proposed to represent a novel species named <i>Pseudidiomarina salilacus</i> sp. nov., within the genus <i>Pseudidiomarina</i>. The type strain is YC-516-91^T (=MCCC 1K09529^T=KCTC 8778^T).</p>","PeriodicalId":14390,"journal":{"name":"International journal of systematic and evolutionary microbiology","volume":"75 7","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144649426","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Emendation to Rule 8 of the International Code of Nomenclature of Prokaryotes to clarify the meaning of the term 'stem'.","authors":"Aharon Oren","doi":"10.1099/ijsem.0.006833","DOIUrl":"10.1099/ijsem.0.006833","url":null,"abstract":"<p><p>Following a proposal to add a Note to Rule 8 of the International Code of Nomenclature of Prokaryotes to clarify the meaning of the term 'stem', I hereby report the outcome of the ballot on this proposal by the members of the International Committee on Systematics of Prokaryotes.</p>","PeriodicalId":14390,"journal":{"name":"International journal of systematic and evolutionary microbiology","volume":"75 7","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12282013/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144575481","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"<i>Pseudogemmobacter sonorensis</i> sp. nov., a new alphaproteobacterium isolated from the slime flux of a tree (<i>Populus fremontii</i>) in the Sonoran Desert (Arizona, USA).","authors":"Nóra Tünde Lange-Enyedi, Erika Tóth, Gorkhmaz Abbaszade, Péter Németh, Laurence A J Garvie, Jacqueline Wolf, Meina Neumann-Schaal, Bernadett Khayer, György Sipos, Judit Makk","doi":"10.1099/ijsem.0.006859","DOIUrl":"https://doi.org/10.1099/ijsem.0.006859","url":null,"abstract":"<p><p>The bacterial strain PA1-206B^T is a Gram-stain-negative, aerobic, non-motile and non-spore-forming bacterium with an irregular rod shape. It was isolated from a tree wound exudate of the <i>Populus fremontii</i> trunk in the Sonoran Desert (USA), and its taxonomic position was investigated by a polyphasic approach. Strain PA1-206B^T grew optimally at 28-30 °C and from pH 6 to 10 without NaCl. Based on 16S rRNA gene sequence analysis, this isolate showed only 96.0% sequence similarity to the type strain of <i>Pseudogemmobacter hezensis</i> and similarity of 94.4-95.7% to other species of the genus. Phylogenetic analysis based on whole-proteome comparisons placed strain PA1-206B^T within the genus <i>Pseudogemmobacter</i> but, on a distinct branch, clearly separated from its closest relatives. The major isoprenoid quinone of the strain was ubiquinone Q-10. The predominant fatty acids (>5%) were C_18:1 <i> </i>ω<i>7c</i>, C_16:0 and 11-methyl-C_18:1 <i> </i>ω<i>7c</i>. Diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, an unidentified aminolipid and two unidentified phospholipids were present. The assembled draft genome of strain PA1-206B^T had 115 contigs with a total length of 4.5 Mb and a G+C content of 67.4 mol%. The overall genome-related indices (average nucleotide identity <80.4%, average amino acid identity <70.6%, digital DNA-DNA hybridization <21.6%) with respect to close relatives were below the corresponding threshold to demarcate bacterial species. Strain PA1-206B^T (=DSM 115559^T=NCAIM B.02680^T) is suggested as the type strain of a novel <i>Pseudogemmobacter</i> species, for which the name <i>Pseudogemmobacter sonorensis</i> sp. nov. is proposed.</p>","PeriodicalId":14390,"journal":{"name":"International journal of systematic and evolutionary microbiology","volume":"75 7","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144742134","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"<i>Streptomyces antarcticus</i> sp. nov., isolated from Horseshoe Island, Antarctica.","authors":"Sibel Melisa Sahin, Izzet Burcin Saticioglu, Muhammed Duman, Hilal Ay","doi":"10.1099/ijsem.0.006856","DOIUrl":"10.1099/ijsem.0.006856","url":null,"abstract":"<p><p>Three novel actinobacterial strains, H27-S2^T, H34-AA3 and H34-S5, were isolated from soil samples collected on Horseshoe Island, Antarctica, as part of an effort to discover new <i>Streptomyces</i> species with industrial and pharmaceutical relevance. A genome-based comparative analysis was conducted to characterize the strains. The pairwise comparisons of the 16S rRNA gene sequences confirmed their affiliation with the genus <i>Streptomyces</i>, with the highest sequence identity values of 99.7-99.8% with <i>Streptomyces avidinii</i> NBRC 13429^T. However, genome-based taxonomic analyses, including digital DNA-DNA hybridization and average nucleotide identity analyses, confirmed that these strains represent a novel species within the genus <i>Streptomyces</i>. A comprehensive genome annotation revealed that the strains possess extensive biosynthetic capabilities, particularly for secondary metabolites, antimicrobial resistance mechanisms, heavy metal resistance genes and stress adaptation systems for survival in cold environments. Their metabolic potential includes aromatic compound degradation, indicating a promising role in bioremediation, while their secondary metabolite gene clusters suggest potential applications in pharmaceutical and clinical research. Given their ability to thrive in extreme Antarctic conditions, these strains may contribute to advancements in cryotechnology and enzyme production for industrial applications. Based on phylogenomic analyses, these strains represent a novel <i>Streptomyces</i> species, for which the name <i>Streptomyces antarcticus</i> sp. nov. is proposed. The type strain is H27-S2^T (=DSM 114983^T=CGMCC 4.7867^T).</p>","PeriodicalId":14390,"journal":{"name":"International journal of systematic and evolutionary microbiology","volume":"75 7","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12451607/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144730900","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"<i>Metschnikowia ratanii</i> f.a. sp. nov., an ascomycetous yeast species isolated from flowers of <i>Lantana camara</i> in India.","authors":"Rameshwar Avchar, Ana Pontes, Marc-André Lachance, Avinash Sharma, José Paulo Sampaio","doi":"10.1099/ijsem.0.006851","DOIUrl":"10.1099/ijsem.0.006851","url":null,"abstract":"<p><p>Four yeast strains isolated from the nectar of <i>Lantana camara</i> flowers in Pune, India, represent a novel asexual ascomycetous species in the genus <i>Metschnikowia</i>. Phylogenetic analyses of the internal transcribed spacer and D1/D2 regions of the LSU rRNA gene place this species within a subclade of large-spored <i>Metschnikowia</i> species that includes <i>Metschnikowia aberdeeniae</i>, <i>Metschnikowia shivogae</i> and <i>Metschnikowia hibisci</i>. The new species differs by its ability to grow at 35 °C. Whole-genome sequencing and comparative analyses revealed average nucleotide identity values of 76-77% and digital DNA-DNA hybridization values of 14-16% relative to related species, confirming its novelty. The species is described as <i>Metschnikowia ratanii</i> sp. nov., with strain MCC 10123 as the ex-type strain and MCC 9961, MCC 9962 and MCC 9928 as additional cultures. The MycoBank number is MB 858027.</p>","PeriodicalId":14390,"journal":{"name":"International journal of systematic and evolutionary microbiology","volume":"75 7","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144637016","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"<i>Rhodotorula silvicola</i> sp. nov., a new yeast species from plant-associated substrates and mushroom.","authors":"Yu-Hua Wei, Liang-Chen Guo, Hai-Yan Zhu, Zhang Wen, Shang-Jie Yao, Xiao-Long You, En-Di Fan, Kyria Boundy-Mills, Irnayuli Sitepu, Feng-Yan Bai, Di-Qiang Wang, Pei-Jie Han","doi":"10.1099/ijsem.0.006836","DOIUrl":"10.1099/ijsem.0.006836","url":null,"abstract":"<p><p>An orange-coloured yeast strain was recently isolated from rotted leaves in Zunyi City, Guizhou Province, PR China. Phylogenetic analysis revealed that this strain shares identical or similar sequences with no more than two to three nucleotide substitutions in both the 26S rDNA D1/D2 domains and the internal transcribed spacer (ITS) region with three other strains isolated from decayed wood in Indonesia, mushroom in Thailand and a plant of the genus <i>Opuntia</i> in the Bahamas. Therefore, these strains are conspecific. And they are most closely related to <i>Rhodotorula paludigena</i> but exhibit sequence divergences of 2.1-2.6% in the 26S rDNA D1/D2 domains and 2.9-3.2% in the ITS region. Physiologically, strain CGMCC 2.7770 differs from <i>R. paludigena</i> in its ability to assimilate maltose, l-arabinose and citric acid. Both the phylogenetic analysis and phenotypic characteristics indicate that those four strains represent a novel species in the genus <i>Rhodotorula</i>, for which the name <i>Rhodotorula silvicola</i> sp. nov. is proposed (holotype CGMCC 2.7770^T).</p>","PeriodicalId":14390,"journal":{"name":"International journal of systematic and evolutionary microbiology","volume":"75 7","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12247233/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144608331","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"<i>Nocardiopsis protaetiae</i> sp. nov., a novel actinobacterium isolated from the frass of <i>Protaetia brevitarsis</i> larvae.","authors":"Yongqiang Liu, Lida Zhang, Xilang Yang, Jialei Xiao, Hanxun Ju, Chengxin Li, Changlong Shu, Xiangjing Wang, Junwei Zhao, Wensheng Xiang","doi":"10.1099/ijsem.0.006832","DOIUrl":"https://doi.org/10.1099/ijsem.0.006832","url":null,"abstract":"<p><p>Four actinobacterial strains, designated NEAU-PBA1^T, NEAU-PB14, NEAU-PB65 and NEAU-PB77, were isolated from the frass of <i>Protaetia brevitarsis</i> collected from Harbin, Heilongjiang Province, China. These strains were Gram-stain positive, aerobic and produced branched substrate mycelium and aerial hyphae, without producing diffusible pigments in the tested media. Upon maturity, spore chains formed on the aerial hyphae, while the mycelium fragmented with age. The genome sizes of these four strains ranged from 7.41 to 7.49 Mbp, with the genomic DNA G+C content varying from 71.8% to 72.9%. Phylogenetic analysis based on 16S rRNA gene sequences indicated that these four strains belonged to the genus <i>Nocardiopsis</i> and exhibited high sequence similarity with <i>Nocardiopsis changdeensis</i> Mg02^T. The average nucleotide identity and digital DNA-DNA hybridization values between these four isolates exceeded the threshold for species delineation, while the values between the four isolates and their close relatives were below the threshold. The predominant menaquinones in strain NEAU-PBA1^T are MK-10 (H₄, H₆, H₈) and MK-10, while the phospholipids included diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylglycerol, phosphoglycolipid, phosphatidylcholine, one phospholipid and one lipid. The major cellular fatty acids comprised <i>anteiso</i>-C_15:0, <i>iso</i>-C_16:0, <i>anteiso</i>-C_17: 0 and C_18:1 <i> ω</i>9<i>c</i>. Based on polyphasic taxonomic analysis, strains NEAU-PBA1^T, NEAU-PB14, NEAU-PB65 and NEAU-PB77 were identified as a novel species within the genus <i>Nocardiopsis</i>, and the name <i>Nocardiopsis protaetiae</i> sp. nov. was proposed. The type strain is NEAU-PBA1^T (=MCCC 1K08877^T=JCM 37021^T).</p>","PeriodicalId":14390,"journal":{"name":"International journal of systematic and evolutionary microbiology","volume":"75 7","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144540203","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Candidatus List No. 6.","authors":"Aharon Oren, Marko Kostovski, Markus Göker","doi":"10.1099/ijsem.0.006772","DOIUrl":"10.1099/ijsem.0.006772","url":null,"abstract":"","PeriodicalId":14390,"journal":{"name":"International journal of systematic and evolutionary microbiology","volume":"75 6","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12281948/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144540201","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"<i>Chlamydia vaughanii</i> sp. nov., a novel <i>Chlamydia</i> isolated from a tropical fish (bushymouth catfish).","authors":"Bastian Marquis, Carole Kebbi-Beghdadi, Trestan Pillonel, Maja Ruetten, Pedro Marques-Vidal, Sebastien Aeby, Gilbert Greub","doi":"10.1099/ijsem.0.006753","DOIUrl":"10.1099/ijsem.0.006753","url":null,"abstract":"<p><p>The <i>Chlamydiaceae</i> is a family of strict, intracellular bacteria which include human and animal pathogens such as <i>Chlamydia trachomatis</i> and <i>Chlamydia psittaci</i>. Following the death of multiple <i>Ancistrus dolichopterus</i> fish (bushymouth catfish) in a tropical aquarium, the specimens were examined for a potential infectious agent. To do so, McCoy cells (ATCC CRL-1696) were inoculated with samples isolated from the specimens and became infected by an intracellular bacterium. The entire genome of the infectious agent was sequenced (study accession PRJEB69484) and, based on nine taxonomic markers, was classified as a novel species belonging to the <i>Chlamydia</i> genus (DSMZ no. 117479, CSUR no. QA1836). We propose the name <i>Chlamydia vaughanii</i> sp. nov., in memory of the late Professor Lloyd Vaughan. <i>C. vaughanii</i> has the largest genome (1.3 Mbp) of the <i>Chlamydia</i> genus. This appears to be a consequence of multiple duplications in genes encoding putative adhesins. Like other pathogenic <i>Chlamydia</i>, it can infect mammalian cells, but it cannot infect either insect or amoeba cells. It additionally can grow in Epithelioma papulosum cyprinis (EPC) cells (fathead minnow, ATCC CRL-2872) but only when cultivated at 30 °C. We developed a <i>C. vaughanii</i>-specific quantitative PCR which amplifies the <i>mutS</i> gene and analysed several samples from the aquarium. <i>C. vaughanii</i> was retrieved from all deceased <i>A. dolichopterus</i> fish, but not from any other sample in the aquarium, suggesting that it indeed originated from the fish and was not a contaminant. <i>C. vaughanii</i> is the first <i>Chlamydia</i> isolated from fish.</p>","PeriodicalId":14390,"journal":{"name":"International journal of systematic and evolutionary microbiology","volume":"75 7","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12282049/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144591229","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}