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Jiella avicenniae sp. nov., a novel endophytic bacterium isolated from bark of Avicennia marina

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Abstract

A Gram-stain-negative and short rod-shaped strain CBK1P-4T, isolated from surface-sterilized bark of Avicennia marina was investigated by a polyphasic taxonomic approach to resolve its taxonomic position. Strain CBK1P-4T grew at 10–30 °C (optimum, 25 °C), pH 5.0–9.0 (optimum, pH 5.5) and in the presence of 0–9% (w/v) NaCl (optimum, 1–2%). Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain CBK1P-4T belonged to the genus Jiella and was most closely related to species of the genus Jiella (97.4–98.3%). The genome comparisons between strain CBK1P-4T and the closely related species indicated that average nucleotide identity and digital DNA-DNA hybridization values were below the recommended thresholds for assigning strains to the same species (95–96% and 70%, respectively). The cell wall peptidoglycan contained meso-diaminopimelic acid as diagnostic diamino acid. The principal fatty acids were C18:1ω7c and C19:0cycloω8c. The polar lipids were mainly comprised of phosphatidylcholine, diphosphatidylglycerol, phosphatidylglycerol, phosphatidylmonomethylethanolamine, phosphatidylethanolamine, two unidentified aminolipids, one unidentified phospholipid and one unidentified glycolipid. The dominant respiratory quinone was ubiquinone-10. The DNA G + C content of strain CBK1P-4T was 66.7%. Based on the phenotypic features, phylogenetic analysis as well as genome analysis, we conclude that strain CBK1P-4T represents a novel Jiella species, for which the name Jiella avicenniae sp. nov. is proposed. The type strain is CBK1P-4T (= CGMCC 1.18742T = JCM 34330T).

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Data availability

All data generated or analysed during this study are included in this published article, its supplementary information files and GenBank/EMBL/DDBJ. Depositories: Strain CBK1P-4T has been deposited in China General Microbiological Culture Collection Center (CGMCC 1.18742T) and Japan Collection of Microorganisms (JCM 34330T).

Abbreviations

ANI:

Average nucleotide identity

dDDH:

Digital DNA-DNA hybridization

AutoMLST:

Automated multi-locus species tree

PGAP:

Prokaryotic genome annotation pipeline

COG:

Cluster of orthologous groups of proteins

RAST:

Rapid annotation subsystem technology

GGDC:

Genome-to-genome distance calculator

R2A:

Reasoner’s 2A agar

NA:

Nutrient agar

TSA:

Tryptic soy agar

TSB:

Tryptic soy broth

MA:

Marine agar 2216E

LB:

Luria–Bertani agar

PC:

Phosphatidylcholine

PG:

Phosphatidylglycerol

DPG:

Diphosphatidylglycerol

PE:

Phosphatidylethanolamine

PME:

Phosphatidylmonomethylethanolamine

PL:

Phospholipid

AL:

Aminolipid

GL:

Glycolipid

Q-10:

Ubiquinone-10

WGS:

Whole genome sequences

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Funding

This research was supported by the National Natural Science Foundation of China (NSFC, Grant numbers 81960642 and 32200001) and Beijing Natural Science Foundation (Grant number 5224038).

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Authors and Affiliations

Authors

Contributions

YZ, FL, M-SC and LT collected plant samples, isolated and initially identified strain CBK1P-4T. YZ wrote initial draft of the manuscript and performed chemotaxonomic analyses. M-SC carried out genome analyses. YZ, M-SC, XM and Z-QZ performed physiological and morphological analyses of the strain. LT conceived and designed the study and revised the manuscript.

Corresponding author

Correspondence to Li Tuo.

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The authors declare that there are no conflicts of interest.

Additional information

Communicated by Erko Stackebrandt.

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Zhang, Y., Liu, F., Li, FN. et al. Jiella avicenniae sp. nov., a novel endophytic bacterium isolated from bark of Avicennia marina. Arch Microbiol 204, 700 (2022). https://doi.org/10.1007/s00203-022-03320-y

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  • DOI: https://doi.org/10.1007/s00203-022-03320-y

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