Redox state of plastoquinone pool is central to photosynthesis and to chloroplast metabolism

What is it about?

Photosynthesis is intrinsically associated with light; light-independent processes are however present in the chloroplast and not yet well understood. We review an action of a protein which appears to be central to redox management of one of the electron transporters in photosynthesis, plastoquinone..

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Why is it important?

Plants and algae - or simply chloroplasts - spend more than half of the time in darkness. Understanding the role of light-independent processess both in darkness and in light is important for our global knowledge of chloroplast metabolism and regulation of photosynthesis.