Chlorophyll and Green Light

John Markwell markwell at UNLINFO.UNL.EDU
Mon Nov 4 09:28:05 EST 1996

>Jonathan B. Marder wrote:

>I speculate that some of the chlorophyll antenna proteins were originally
>"shade" proteins with carotenoid-based NPQ permanently switched on. These
>evolved into antennae once plants learned to control the degree of NPQ.
>This is of course HIGHLY speculative:)
This is, however, consistent with the increase in quantum yield for
photosynthesis from absorption by carotenoids as evolution proceeded from
algae to land plants.

John Markwell                           markwell at
Department of Biochemistry              Phone:  402-472-2924
Beadle Center                           FAX:    402-472-7842
Univeristy of Nebraska
Lincoln, NE  68588-0664

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