دورية أكاديمية
Taxonomic Identification of the Arctic Strain Nocardioides Arcticus Sp. Nov. and Global Transcriptomic Analysis in Response to Hydrogen Peroxide Stress.
العنوان: | Taxonomic Identification of the Arctic Strain Nocardioides Arcticus Sp. Nov. and Global Transcriptomic Analysis in Response to Hydrogen Peroxide Stress. |
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المؤلفون: | Cong, Bailin, Zhang, Hui, Li, Shuang, Liu, Shenghao, Lin, Jing, Deng, Aifang, Liu, Wenqi, Yang, Yan |
المصدر: | International Journal of Molecular Sciences; Sep2023, Vol. 24 Issue 18, p13943, 16p |
مصطلحات موضوعية: | HYDROGEN peroxide, HYDROGEN analysis, IRON in the body, ION transport (Biology), OZONE layer depletion, MOUNTAIN soils, HOMEOSTASIS, DNA damage |
مصطلحات جغرافية: | ARCTIC regions |
مستخلص: | Microorganisms living in polar regions rely on specialized mechanisms to adapt to extreme environments. The study of their stress adaptation mechanisms is a hot topic in international microbiology research. In this study, a bacterial strain (Arc9.136) isolated from Arctic marine sediments was selected to implement polyphasic taxonomic identification based on factors such as genetic characteristics, physiological and biochemical properties, and chemical composition. The results showed that strain Arc9.136 is classified to the genus Nocardioides, for which the name Nocardioides arcticus sp. nov. is proposed. The ozone hole over the Arctic leads to increased ultraviolet (UV-B) radiation, and low temperatures lead to increased dissolved content in seawater. These extreme environmental conditions result in oxidative stress, inducing a strong response in microorganisms. Based on the functional classification of significantly differentially expressed genes under 1 mM H |
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قاعدة البيانات: | Complementary Index |
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