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Comparative Study
. 1990 Aug;15(2):317-23.
doi: 10.1007/BF00036917.

Phytochrome-mediated activation of the gene for cytosolic glutamine-synthetase (GS1) during imbibition of photosensitive lettuce seeds

A Sakamoto  1 , G Takeba, D Shibata, K Tanaka
Affiliations
Comparative Study

Phytochrome-mediated activation of the gene for cytosolic glutamine-synthetase (GS1) during imbibition of photosensitive lettuce seeds

A Sakamoto et al. Plant Mol Biol. 1990 Aug.

Abstract

A full-length cDNA encoding glutamine synthetase was isolated from a lambda gt11 library constructed from the poly(A)+ RNA isolated from lettuce seeds incubated under red light. The nucleotide sequence of the cDNA and the deduced sequence of amino acids showed a high degree of homology to those of the cytosol-type glutamine synthetase from other plants. Northern and dot-blot analyses of poly(A)+ RNA extracted from the seeds incubated under various light conditions showed that the activation of the gene for cytosolic glutamine-synthetase during imbibition of lettuce seeds is directly or indirectly regulated by phytochrome.

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References

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