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. 1997 Dec;115(4):1525–1531. doi: 10.1104/pp.115.4.1525

Antisense inhibition of the photosystem I antenna protein Lhca4 in Arabidopsis thaliana.

H Zhang 1, H M Goodman 1, S Jansson 1
PMCID: PMC158618  PMID: 9414561

Abstract

The function of Lhca4, a gene encoding the photosystem 1 type IV chlorophyll a/b-binding protein complex in Arabidopsis, was investigated using antisense technology. Lhca4 protein was reduced in a number of mutant lines and abolished in one. The inhibition of protein was not correlated with the inhibition of mRNA. No depletion of Lhca1 was observed, but the low-temperature fluorescence emission spectrum was drastically altered in the mutants. The emission maximum was blue-shifted by 6 nm, showing that chlorophyll molecules bound to Lhca4 are responsible for most of the long-wavelength fluorescence emission. Some mutants also showed an unexplainable delay in flowering time and an increase in seed weight.

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Selected References

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