Adaptive signals in algal Rubisco reveal a history of ancient atmospheric carbon dioxide
Rubisco, the most abundant enzyme on the Earth and responsible for all photosynthetic carbon fixation, is often thought of as a highly conserved and sluggish enzyme. Yet, different algal Rubiscos demonstrate a range of kinetic properties hinting at a history of evolution and adaptation. Here, we show that algal Rubisco has indeed evolved adaptively during ancient and distinct geological periods. Using DNA sequences of extant marine algae of the red and Chromista lineage, we define positive...[Show more]
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|Source:||Philosophical Transactions of the Royal Society of London Series B|
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