Publications by authors named "A Taton"
Article Synopsis
- The text discusses a cyanobacterial model organism crucial for studying its circadian clock, photosynthesis, and various biological processes.
- This organism is also significant for genetic engineering aimed at producing renewable biochemicals.
- The research highlights a SeAgo-based mechanism that defends against unwanted genetic material transfer and shows that deleting a specific gene can enhance genetic studies and engineering efforts.
Carbon isotope biosignatures preserved in the Precambrian geologic record are primarily interpreted to reflect ancient cyanobacterial carbon fixation catalyzed by Form I RuBisCO enzymes. The average range of isotopic biosignatures generally follows that produced by extant cyanobacteria. However, this observation is difficult to reconcile with several environmental (e.
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- The study investigates how UV radiation affects the fitness of the cyanobacterium PCC 7942 by assessing various genes involved in UV tolerance, emphasizing the need to identify specific genes that help these organisms survive in UV-rich environments.
- Key findings point to crucial genes related to DNA repair, glutathione synthesis, and the function of photosystem II, as well as the unique role of a gene encoding leucyl aminopeptidase (LAP), which shows significant impact on UVR tolerance when disrupted.
- The research highlights that LAP's function in glutathione catabolism is pH-sensitive and underreported under UV exposure, suggesting that similar LAP roles might be conserved in other organisms, offering insights into broader
Columbamides are chlorinated acyl amide natural products, several of which exhibit cannabinomimetic activity. These compounds were originally discovered from a culture of the filamentous marine cyanobacterium PNG5-198 collected from the coastal waters of Papua New Guinea. The columbamide biosynthetic gene cluster (BGC) had been identified using bioinformatics, but not confirmed by experimental evidence.
View Article and Find Full Text PDFThe earliest geochemical indicators of microbes-and the enzymes that powered them-extend back ∼3.8 Ga on Earth. Paleobiologists often attempt to understand these indicators by assuming that the behaviors of extant microbes and enzymes are uniform with those of their predecessors.
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