Gene Review:
psbA - psbA
Marchantia polymorpha
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Disease relevance of psbA
- As in all chloroplast psbA genes, there is a seven amino-acid gap near the C terminus of the derived protein relative to the protein predicted by cyanobacterial genes, suggesting that P. hollandica is part of the lineage that led to chloroplasts after a divergence from cyanobacteria [1].
- psbA genes indicate common ancestry of prochlorophytes and chloroplasts [1].
High impact information on psbA
- This hypothesis is also supported by phylogenetic analysis of derived D1 amino-acid sequences from psbA genes of thirteen taxa on the basis of parsimony [1].
- The P. hollandica psbA genes, which encode the photosystem II thylakoid protein D1, were cloned and sequenced and the sequences compared to those reported for cyanobacteria, a green alga, a liverwort, and several higher plants [1].
References
- psbA genes indicate common ancestry of prochlorophytes and chloroplasts. Morden, C.W., Golden, S.S. Nature (1989) [Pubmed]
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