Idiomarina rhizosphaerae sp. nov. isolated from rhizosphere soil of Kalidium cuspidatum, and reclassification of Idiomarina andamanensis as Pseudidiomarina andamanensis comb. nov., and Idiomarina mangrovi as Pseudidiomarina mangrovi comb. nov

Li, Lu-Fan; Xu, Liang; Wei, Hua-Mei; Sun, Junsong

doi:10.1007/s00203-022-03335-5

Cited by 4 publications

(2 citation statements)

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“…Kalidium cuspidatum is one of the predominant plants found in the saline-alkaline areas of the inner drought area in northwest China. During an ongoing research project on the collection of beneficial bacteria from the rhizosphere soil of halophytes [23][24][25][26][27], three strains were isolated from a root and rhizosphere soil of K. cuspidatum. In this study, we determine their accurately taxonomic position using a polytaxonomic approach including genomic analysis.…”

Section: Introductionmentioning

confidence: 99%

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.

Wei,

Xu,

Zhang

et al. 2024

International Journal of Systematic and Evolutionary Microbiology

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Three Gram-stain-negative, aerobic and rod-shaped bacterial strains, designated RD2P54T, M1R5S18T and M1R5S59T, were isolated from a root and rhizosphere soil of Kalidium cuspidatum, in Baotou, PR China. The three strains showed 94.1–98.7 % 16S rRNA gene sequence similarities to Luteimonas strains, indicating they belonged to the genus Luteimonas . The phylogenomic tree based on core genomes showed that strain RD2P54T tightly clustered with Luteimonas salinisoli SJ-92T, while strains M1R5S18T and M1R5S59T clustered with each other and with Luteimonas viscosa XBU10T and Luteimonas saliphila SJ-9T. Though strains M1R5S18T and M1R5S59T showed high 16S rRNA similarity (99.4 %) to each other, the low average nucleotide identity based on blast (ANIb; 88.6 %) and digital DNA–DNA hybridization (dDDH; 31.6 %) values between them indicated that they belonged to two different species. The ANIb and dDDH values of strains RD2P54T, M1R5S18T and M1R5S59T with their closely neighbours are well below the delineation threshold values for identifying strains as representing different species. All three strains take iso-C15 : 0 and summed feature 9 (C16 : 0 10-methyl and/or iso-C17 : 1 ω9c) as major fatty acids, and ubiquinone-8 as the sole respiratory quinone. The major polar lipids of all three strains are diphosphatidylglycerol, phosphatidylglycerol and phosphatidylethanolamine. Based on phenotypic and phylogenetic data, these three strains should be considered to represent three novel species of the genus Luteimonas , for which the names Luteimonas endophytica sp. nov. (type strain RD2P54T=CGMCC 1.61535T =KCTC 92470T), Luteimonas rhizosphaericola sp. nov. (type strain M1R5S18T=CGMCC 1.61537T =KCTC 92469T) and Luteimonas kalidii sp. nov. (type strain M1R5S59T=CGMCC 1.61536T =KCTC 92471T) are proposed.

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Section: Introductionmentioning

confidence: 99%

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.

Wei,

Xu,

Zhang

et al. 2024

International Journal of Systematic and Evolutionary Microbiology

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“…It is included in the order Alteromonadales , class Gammaproteobacteria , phylum Pseudomonadota [ 1 ]. Currently, the genus Pseudidiomarina includes 18 species: Pseudidiomarina aestuarii [ 2 ], P. andamanensis [ 3 , 4 ], P. aquimaris [ 5 , 6 ], P. atlantica [ 6 , 7 ], P. donghaiensis [ 8 ], P. gelatinasegens [ 9 ], P. halophila [ 6 , 10 ], P. homiensis [ 11 , 12 ], P. insulisalseae [ 6 , 13 ], P. mangrovi [ 4 , 14 ], P. marina [ 12 ], P. piscicola [ 15 ], P. planktonica [ 16 ], P. salinarum [ 12 , 17 ], P. sediminum [ 18 ], P. tainanensis [ 12 ], P. taiwanensis [ 19 ], and P. woesei [ 6 , 20 ]. They have been isolated mostly from marine-related environments [ 2 , 3 , 5 , 7 , 8 , 9 , 11 , 12 , 15 , 18 , 19 , 20 ], as well as other hypersaline habitats such as solar salterns [ 10 , 17 ], hyper...…”

Section: Introductionmentioning

confidence: 99%

The Hypersaline Soils of the Odiel Saltmarshes Natural Area as a Source for Uncovering a New Taxon: Pseudidiomarina terrestris sp. nov

Galisteo,

de la Haba,

Ventosa

et al. 2024

Microorganisms

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The hypersaline soils of the Odiel Saltmarshes Natural Area are an extreme environment with high levels of some heavy metals; however, it is a relevant source of prokaryotic diversity that we aim to explore. In this study, six strains related to the halophilic genus Pseudidiomarina were isolated from this habitat. The phylogenetic study based on the 16S rRNA gene sequence and the fingerprinting analysis suggested that they constituted a single new species within the genus Pseudidiomarina. Comparative genomic analysis based on the OGRIs indices and the phylogeny inferred from the core genome were performed considering all the members of the family Idiomarinaceae. Additionally, a completed phenotypic characterization, as well as the fatty acid profile, were also carried out. Due to the characteristics of the habitat, genomic functions related to salinity and high heavy metal concentrations were studied, along with the global metabolism of the six isolates. Last, the ecological distribution of the isolates was studied in different hypersaline environments by genome recruitment. To sum up, the six strains constitute a new species within the genus Pseudidiomarina, for which the name Pseudidiomarina terrestris sp. nov. is proposed. The low abundance in all the studied hypersaline habitats indicates that it belongs to the rare biosphere in these habitats. In silico genome functional analysis suggests the presence of heavy metal transporters and pathways for nitrate reduction and nitrogen assimilation in low availability, among other metabolic traits.

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Validation List no. 210. Valid publication of new names and new combinations effectively published outside the IJSEM

Oren

Göker

2023

International Journal of Systematic and Evolutionary Microbiology

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Idiomarina rhizosphaerae sp. nov. isolated from rhizosphere soil of Kalidium cuspidatum, and reclassification of Idiomarina andamanensis as Pseudidiomarina andamanensis comb. nov., and Idiomarina mangrovi as Pseudidiomarina mangrovi comb. nov

Cited by 4 publications

References 42 publications

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.

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.

The Hypersaline Soils of the Odiel Saltmarshes Natural Area as a Source for Uncovering a New Taxon: Pseudidiomarina terrestris sp. nov

Validation List no. 210. Valid publication of new names and new combinations effectively published outside the IJSEM

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