Abstract
This study describes a bacterium strain RBPA9 isolated from a municipality waste dumping area capable of degrading phenol, proposed as a novel species of Pseudomonas. Cells are Gram-negative, rod shaped, aerobic and motile. The genome is 3.92 Mb, and the G + C content is 64.64%. The overall genome relatedness indices such as in silico DNA–DNA hybridization (isDDH), average nucleotide identity (ANI), and average amino acid identity (AAI) values were below 70% and 95–96%, respectively. Phylogenetic analysis based on genome-wide core genes and 16S rRNA gene sequences revealed that strain RBPA9 clustered with Pseudomonas stutzeri ATCC 17588 T in both the phylogenetic trees. Maximum growth was recorded at 200 mg /L concentration of phenol which was consumed within 24 h. A gene cluster of phenol degradation pathway was detected. The quantitative real-time PCR (RT-PCR) demonstrated the expression of all the genes required in the meta-cleavage pathway of phenol in RBPA9. Our results reveal that strain RBPA9 represents a novel species for which Pseudomonas phenolilytica sp. nov. is proposed. The type strain is RBPA9T (= TBRC 15231 T = NBRC 115284 T).
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Data availability
The GenBank/EMBL/DDBJ accession number for the genome and 16S rRNA gene sequences of Pseudomonas strain RBPA9 are CP058908 and MW241387, respectively.
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Acknowledgements
The author R.R.A.K. acknowledge the Council of Scientific and Industrial Research (CSIR), New Delhi, Government of India for providing the research fellowship. We acknowledge the Distributed Information Sub-Center (DISC) at the Institute of Life Sciences, Bhubaneswar, for the computational facility. This work was supported by the funding received from the Department of Biotechnology, Government of India (D.O.No. BT/BI/04/058/2002 VOL-II) to SKD. We are thankful to Professor B. Schink (Universitaet Konstanz, Germany) for etymological advice.
Funding
This work was supported by the funding received from the Department of Biotechnology, Government of India (D.O.No. BT/BI/04/058/2002 VOL-II) to SKD under the Distributed Information Sub-Center (DISC) project.
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S.K.D. developed the concept, R.R.A.K. conducted the experiment. R.R.A.K. and S.K.D. analyzed the data and wrote the manuscript. All of us read and approved the final manuscript. The authors declare no conflicts of interest.
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Kujur, R.R.A., Das, S.K. Pseudomonas phenolilytica sp. nov., a novel phenol-degrading bacterium. Arch Microbiol 204, 320 (2022). https://doi.org/10.1007/s00203-022-02912-y
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DOI: https://doi.org/10.1007/s00203-022-02912-y