دورية أكاديمية
Potential transformation of organic matter by microbes in cryoconite, Tibetan Plateau.
العنوان: | Potential transformation of organic matter by microbes in cryoconite, Tibetan Plateau. |
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المؤلفون: | Guo, Bixi, Liu, Yongqin, Zhong, Kevin Xu, Shi, Quan, He, Chen, Zheng, Qiang, Cai, Ruanhong |
المصدر: | SCIENCE CHINA Earth Sciences; Jun2024, Vol. 67 Issue 6, p1978-1989, 12p |
مصطلحات موضوعية: | DISSOLVED organic matter, ION cyclotron resonance spectrometry, ORGANIC compounds, CARBON cycle, MICROBIAL communities |
مصطلحات جغرافية: | TIBETAN Plateau |
مستخلص: | Microorganisms play an essential role in the glacier carbon cycle; how they transform organic matter in mountain glacial cryoconite remains to be studied. Here, we applied ultra-high resolution Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR MS) and deep sequencing of 16S rRNA gene, to investigate the temporal microbial transformation of dissolved organic matter (DOM) of the Tibetan Plateau cryoconite. During the 60-day incubation, we found that DOM in cryoconite underwent a three-stage transformation, with decreasing bioavailability over time. The microbial community did not change much in the first week while degrading DOM molecules that were associated with higher H/C |
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قاعدة البيانات: | Complementary Index |
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