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Lookup NU author(s): Dr Imen Nouioui, Emeritus Professor Hans-Peter Klenk
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© 2020 Elsevier Inc. A new strain belonging to the genus Kocuria, designed PT10, was isolated from irradiated roots of the xerophyte Panicum turgidum. Isolate PT10 is a Gram-positive, coccoid, aerobic and ionizing-radiation (IR)-resistant actinobacterium. PT10 has shown an ability to survive under extreme conditions, such as gamma irradiation, desiccation and high concentration of hydrogen peroxide. Phenotypic, chemotaxonomic and comparative genome analyses support the assignment of strain PT10 (LMG 31102 = DSM 108617) as Kocuria rhizophila. The complete genome sequence of PT10 consists of one chromosome (2,656,287 bps), with a 70.7% G + C content and comprises 2481 protein-coding sequences. A total of 1487 proteins were identified by LC-MS/MS profiling. In silico analyses revealed that the proteome of the oxidation-tolerant PT10 possesses several features explaining its IR-resistant phenotype and many adaptive pathways implicated in response to environmental pressures — desiccation, cold, reactive oxygen species and other stressors.
Author(s): Guesmi S, Pujic P, Nouioui I, Dubost A, Najjari A, Ghedira K, Igual JM, Miotello G, Cherif A, Armengaud J, Klenk H-P, Normand P, Sghaier H
Publication type: Article
Publication status: Published
Journal: Genomics
Year: 2021
Volume: 113
Issue: 1
Pages: 317-330
Print publication date: 01/01/2021
Online publication date: 03/12/2020
Acceptance date: 29/11/2020
ISSN (print): 0888-7543
ISSN (electronic): 1089-8646
Publisher: Academic Press Inc.
URL: https://doi.org/10.1016/j.ygeno.2020.11.029
DOI: 10.1016/j.ygeno.2020.11.029
PubMed id: 33279651
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