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Devi Prasanna Dash on Muck Rack

Devi Prasanna Dash

As seen in: BioRxiv
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Articles

Laboratory adaptive evolution of thermotolerance is linked to the evolution of a robust proteostasis in S. cerevisiae

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By Devi Prasanna Dash, Zainab Zaidi, Akanksha Sharma, Dhwani Dholakia
| BioRxiv
Abstract Thermophilic organisms have evolved a proteome that resists thermal denaturation. While the evolution of their complete proteome would require multiple generations, early on, organisms would need to develop strategies to survive at high temperatures despite their thermolabile proteome. We hypothesized that the organisms would do this by reinforcing their proteostasis capacity.
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Fitness defects due to cytosolic protein misfolding in S. cerevisiae can be alleviated by decreasing mitochondrial protein import capacity

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By Akanksha Sharma, Zinab Zaidi, Devi Prasanna Dash, Soumen Kundu
| BioRxiv
Abstract Protein misfolding affects cellular fitness. This can be caused due to the toxic aggregation of one species of protein or global protein misfolding events. Since the fitness defect arises due to the multi-modal effect of misfolding, there is no consensus mechanism to alleviate this fitness defect. Here, we used adaptive laboratory evolution of thermotolerance to identify pathways contributing to proteotoxic stress resistance in S. cerevisiae.
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