Transcriptome and translatome of CO 2 fixing acetogens under heterotrophic and autotrophic conditions
Yoseb Song,Jiyun Bae,Jongoh Shin,Sangrak Jin,Jung-Kul Lee,Sun Chang Kim,Suhyung Cho,Byung-Kwan Cho +7 more
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TLDR
In this article, RNA sequencing and ribosome profiling data of four acetogens cultivated under heterotrophic and autotrophic conditions, providing data on genome-scale transcriptional and translational responses of acetogens during CO2 fixation.Abstract:
Acetogens are anaerobic bacteria that utilise gaseous feedstocks such as carbon monoxide (CO) and carbon dioxide (CO2) to synthesise biomass and various metabolites via the energetically efficient Wood-Ljungdahl pathway. Because of this pathway, acetogens have been considered as a novel platform to produce biochemicals from gaseous feedstocks, potentially replacing the conventional thermochemical processes. Despite their advantages, a lack of systematic understanding of the transcriptional and translational regulation in acetogens during autotrophic growth limits the rational strain design to produce the desired products. To overcome this problem, we presented RNA sequencing and ribosome profiling data of four acetogens cultivated under heterotrophic and autotrophic conditions, providing data on genome-scale transcriptional and translational responses of acetogens during CO2 fixation. These data facilitate the discovery of regulatory elements embedded in their genomes, which could be utilised to engineer strains to achieve better growth and productivity. We anticipate that these data will expand our understanding of the processes of CO2 fixation and will help in the designing of strains for the desired biochemical production.read more
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Autotrophy at the thermodynamic limit of life: a model for energy conservation in acetogenic bacteria
Kai Schuchmann,Volker Müller +1 more
TL;DR: The latest progress on the biochemistry and genetics of the energy metabolism of model acetogens are discussed, elucidating how these bacteria couple CO2 fixation to energy conservation.
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