Abstract
A cDNA clone of the geneLhca2 encoding a photosystem I (PSI) type II chlorophylla/b-binding protein was isolated fromArabidopsis thaliana. The isolation of this, the fourth PSI cab gene fromArabidopsis, confirms a previous report [1] that indicatedArabidopsis may contain all four PSI cab genes identified in other plant species.Lhca2 is a single-copy gene as are the other knownArabidopsis PSI cab genes. The patterns of developmental expression and tissue-specific regulation ofLhca2 are similar to those of other PSI and PSII cab genes, but the light induction pattern and the steady-state mRNA level ofLhca2 are distinct. This suggests that a different mechanism may be employed to regulate the expression ofLhca2.
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References
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Zhang, H., Wang, J. & Goodman, H.M. Differential expression inArabidopsis ofLhca2, a PSI cab gene. Plant Mol Biol 25, 551–557 (1994). https://doi.org/10.1007/BF00043883
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DOI: https://doi.org/10.1007/BF00043883