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Gene Review:

PHYE - phytochrome E

Arabidopsis thaliana

Synonyms: F15J5.100, F15J5_100, PHYTOCHROME E

Hennig, L. et al., Clack, T. et al., Hauser, B.A. et al., Alba, R. et al., Howe, G.T. et al.

Howe, Bucciaglia, Hackett, Furnier, Cordonnier-Pratt, Gardner,

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High impact information on PHYE

Here, we used a set of photoreceptor mutants to test whether phytochrome D and/or phytochrome E can control germination of Arabidopsis [1].
Unlike phytochromes B and D, phytochrome E did not inhibit phytochrome A-mediated germination [1].
However, inhibition of hypocotyl elongation by FR, induction of cotyledon unfolding, and induction of agravitropic growth were not affected by loss of phytochrome E [1].
These results suggest that black cottonwood lacks members of the PHYC/F and PHYE subfamilies [2].

Biological context of PHYE

PHYA, PHYB1, PHYB2 and PHYE fragments encode amino acid sequences that share 88% to 98% sequence identity with their Arabidopsis counterparts [3].

Other interactions of PHYE

The PHYD- and PHYE-encoded proteins are of similar size to the other phytochrome apoproteins and show sequence similarity along their entire lengths [4].
Five previously identified tomato PHY genes have been designated PHYA, PHYB1, PHYB2, PHYE, and PHYF [5].

Analytical, diagnostic and therapeutic context of PHYE

Immunoblotting revealed that the need of phytochrome E for germination in FR was not caused by altered phytochrome A levels [1].

References

Phytochrome E controls light-induced germination of Arabidopsis. Hennig, L., Stoddart, W.M., Dieterle, M., Whitelam, G.C., Schäfer, E. Plant Physiol. (2002) [Pubmed]
Evidence that the phytochrome gene family in black cottonwood has one PHYA locus and two PHYB loci but lacks members of the PHYC/F and PHYE subfamilies. Howe, G.T., Bucciaglia, P.A., Hackett, W.P., Furnier, G.R., Cordonnier-Pratt, M.M., Gardner, G. Mol. Biol. Evol. (1998) [Pubmed]
The phytochrome gene family in tomato includes a novel subfamily. Hauser, B.A., Cordonnier-Pratt, M.M., Daniel-Vedele, F., Pratt, L.H. Plant Mol. Biol. (1995) [Pubmed]
The phytochrome apoprotein family in Arabidopsis is encoded by five genes: the sequences and expression of PHYD and PHYE. Clack, T., Mathews, S., Sharrock, R.A. Plant Mol. Biol. (1994) [Pubmed]
The phytochrome gene family in tomato and the rapid differential evolution of this family in angiosperms. Alba, R., Kelmenson, P.M., Cordonnier-Pratt, M.M., Pratt, L.H. Mol. Biol. Evol. (2000) [Pubmed]

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