Pseudidiomarina piscicola sp. nov., isolated from cultured European seabass, Dicenthrarchus labrax

Strain CECT 9734  T , a Gram-negative, aerobic, chemoorganotrophic bacterium, motile by polar flagella, was isolated from cultured European seabass, Dicenthrarchus labrax, in Spain. It grows from 5 to 42 ºC, 6–9 pH and 1–12% total salinity. Major cellular fatty acids are C 15:0 iso, summed feature 9...

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Bibliographic Details
Published in:Archives of microbiology 2021-05, Vol.203 (4), p.1293-1298
Main Authors: Macián, M. Carmen, Lucena, Teresa, Arahal, David R., Ruvira, María A., Aznar, Rosa, Pujalte, María J.
Format: Article
Language:English
Subjects:
Alteromonadaceae - chemistry
Alteromonadaceae - classification
Alteromonadaceae - physiology
Animals
Archives & records
Base Composition
Biochemistry
Biomedical and Life Sciences
Biotechnology
Cell Biology
Comparative analysis
Dicentrarchus labrax
DNA, Bacterial - genetics
Ecology
Fatty acids
Fatty Acids - analysis
Flagella
Genome, Bacterial - genetics
Genomes
Life Sciences
Microbial Ecology
Microbiology
Microscopy
Morphology
New species
Nucleic Acid Hybridization
Original Paper
Perciformes - microbiology
Phylogenetics
Phylogeny
RNA, Ribosomal, 16S - genetics
rRNA 16S
Salinity
Sequence Analysis, DNA
Taxonomy
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Description
Summary:Strain CECT 9734  T , a Gram-negative, aerobic, chemoorganotrophic bacterium, motile by polar flagella, was isolated from cultured European seabass, Dicenthrarchus labrax, in Spain. It grows from 5 to 42 ºC, 6–9 pH and 1–12% total salinity. Major cellular fatty acids are C 15:0 iso, summed feature 9 (C 17:1 iso w9c /C 16:0 10-methyl) and C 17:0 iso. The genome size is 2.5 Mbp and G + C content is 49.5 mol%. Comparative analysis of the 16S rRNA gene sequence shows that the strain is a member of Pseudidiomarina , with highest similarities with Pseudidiomarina halophila (97.0%) and Pseudidiomarina salinarum (96.9%). Phylogenomic tree based on UBCG program shows P. halophila as its closest relative. ANI and in-silico DDH with other Pseudidiomarina spp. are lower than 87 and 20%, respectively, suggesting that strain CECT 9734  T represents a new species, for which we propose the name Pseudidiomarina piscicola sp. nov. and CECT 9734  T (= LUBLD50 7a T  = LMG 31044  T ) as type strain.
ISSN:0302-8933
1432-072X
DOI:10.1007/s00203-020-02131-3