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Prajita Pandey Khadiza Zaman Laszlo Prokai Vladimir Shulaev 《International journal of molecular sciences》2021,22(1)
The early signaling events involved in oxidant recognition and triggering of oxidant-specific defense mechanisms to counteract oxidative stress still remain largely elusive. Our discovery driven comparative proteomics analysis revealed unique early signaling response of the yeast Saccharomyces cerevisiae on the proteome level to oxidants with a different mechanism of action as early as 3 min after treatment with four oxidants, namely H2O2, cumene hydroperoxide (CHP), and menadione and diamide, when protein abundances were compared using label-free quantification relying on a high-resolution mass analyzer (Orbitrap). We identified significant regulation of 196 proteins in response to H2O2, 569 proteins in response to CHP, 369 proteins in response to menadione and 207 proteins in response to diamide. Only 17 proteins were common across all treatments, but several more proteins were shared between two or three oxidants. Pathway analyses revealed that each oxidant triggered a unique signaling mechanism associated with cell survival and repair. Signaling pathways mostly regulated by oxidants were Ran, TOR, Rho, and eIF2. Furthermore, each oxidant regulated these pathways in a unique way indicating specificity of response to oxidants having different modes of action. We hypothesize that interplay of these signaling pathways may be important in recognizing different oxidants to trigger different downstream MAPK signaling cascades and to induce specific responses. 相似文献
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Chemical and Petroleum Engineering - To the article “Hydrodynamic Tests of Small-Sized Circulating Water Cooling Devices,” by K. E. Bondar’, N. S. Shulaev, and S. P. Ivanov, Vol.... 相似文献
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Chemical and Petroleum Engineering - A calculation method is presented for determining the capacity of small-scale cooling towers equipped with polymeric fills under film flow conditions, for... 相似文献
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