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  • Yang, Ruiqi, et al. (author)
  • Genomic insights revealed the environmental adaptability of Planococcus halotolerans Y50 isolated from petroleum-contaminated soil on the Qinghai-Tibet Plateau
  • 2022
  • In: Gene. - : Elsevier BV. - 0378-1119 .- 1879-0038. ; 823, s. 146368-
  • Journal article (peer-reviewed)abstract
    • The Tibetan Plateau niche provides unprecedented opportunities to find microbes that are functional and commercial significance. The present study investigated the physiological and genomic characteristics of Pla-nococcus halotolerans Y50 that was isolated from a petroleum-contaminated soil sample from the Qinghai-Tibet Plateau, and it displayed psychrotolerant, antiradiation, and oil-degraded characteristics. Whole genome sequencing indicated that strain Y50 has a 3.52 Mb genome and 44.7% G + C content, and it possesses 3377 CDSs. The presence of a wide range of UV damage repair genes uvrX and uvsE, DNA repair genes radA and recN, superoxide dismutase, peroxiredoxin and dioxygenase genes provided the genomic basis for the adaptation of the plateau environment polluted by petroleum. Related experiments also verified that the Y50 strain could degrade n-alkanes from C-11-C-23, and approximately 30% of the total petroleum at 25 & DEG;C within 7 days. Meanwhile, strain Y50 could withstand 5 x 10(3) J/m(2) UVC and 10 KGy gamma ray radiation, and it had strong antioxidant and high radical scavengers for superoxide anion, hydroxyl radical and DPPH. In addition, pan-genome analysis and horizontal gene transfers revealed that strains with different niches have obtained various genes through hori -zontal gene transfer in the process of evolution, and the more similar their geographical locations, the more similar their members are genetically and ecologically. In conclusion, P. halotolerans Y50 possesses high potential of applications in the bioremediation of alpine hydrocarbons contaminated environment.
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Type of publication
journal article (1)
Type of content
peer-reviewed (1)
Author/Editor
Liu, Yang (1)
Zhang, Wei (1)
Chen, Tuo (1)
Zhang, Dongming (1)
Yang, Ruiqi (1)
Zhang, Binglin (1)
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Xu, Yeteng (1)
Zhang, Gaosen (1)
Liu, Guangxiu (1)
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University
Royal Institute of Technology (1)
Language
English (1)
Research subject (UKÄ/SCB)
Natural sciences (1)
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