DOI: 10.1046/j.1365-313x.2000.00730.x. Photocontrol of subcellular partitioning of phytochrome‐B:GFP fusion protein in tobacco seedlings

Photocontrol of subcellular partitioning of phytochrome‐B:GFP fusion protein in tobacco seedlings

10.1046/j.1365-313x.2000.00730.x

Crossref journal-article

Wiley

The Plant Journal (311)

Abstract

SummaryPhotomorphogenesis of higher plants is regulated by photoreceptors including the red/far‐red light‐absorbing phytochromes, blue‐UV/A sensing cryptochromes and as yet uncharacterized UV/B receptors. Specific phototransduction pathways that are controlled by either individual or interacting photoreceptors mediate regulation. Phytochrome B (phyB) is the major red light‐sensing photoreceptor. Phototransduction mediated by this light sensor has been shown to include light‐dependent nuclear import and interaction of phyB with transcription factor‐like proteins in the nucleus. Here we report that nuclear import of phyB and physiological responses regulated by this photoreceptor exhibit very similar wavelength‐ and fluence rate‐dependence. Nuclear import of phyB is insensitive to single red, blue and far‐red light pulses. It is induced by continuous red light and to a lesser extent by continuous blue light, whereas far‐red light is completely ineffective. The data presented indicate that light‐dependent partitioning of phyB exhibits features characteristic of blue light responsiveness amplification, a phenomenon that is thought to be mediated by interaction of phyB with CRY1.

Bibliography

Gil, P., Kircher, S., Adam, E., Bury, E., KozmaâBognar, L., SchÃ¤fer, E., & Nagy, F. (2000). Photocontrol of subcellular partitioning of phytochromeâB:GFP fusion protein in tobacco seedlings. The Plant Journal, 22(2), 135â145. Portico.

Authors 7

Patricia Gil (first)
Stefan Kircher (additional)
Eva Adam (additional)
Erik Bury (additional)
Laszlo Kozma‐Bognar (additional)
Eberhard Schäfer (additional)
Ferenc Nagy (additional)

References 37 Referenced 54

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{'key': 'e_1_2_7_23_1', 'first-page': '1445', 'article-title': 'Light quality‐dependent nuclear import of the plant photorecptors phytochromes A and B', 'volume': '11', 'author': 'Kircher S.', 'year': '1999', 'journal-title': 'Plant Cell'} / Plant Cell / Light quality‐dependent nuclear import of the plant photorecptors phytochromes A and B by Kircher S. (1999)
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{'key': 'e_1_2_7_29_1', 'first-page': '39', 'article-title': 'hy8, a new class of Arabidopsis long hypocotyl mutants deficient in functional phytochrome\u2003A', 'volume': '5', 'author': 'Parks B.M.', 'year': '1993', 'journal-title': 'Plant Cell'} / Plant Cell / hy8, a new class of Arabidopsis long hypocotyl mutants deficient in functional phytochrome A by Parks B.M. (1993)
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{'key': 'e_1_2_7_31_1', 'first-page': '147', 'article-title': 'Mutations in the gene for red/far‐red light receptor phytochrome\u2003B alter cell elongation and physiological responses throughout Arabidopsis development', 'volume': '5', 'author': 'Reed J.W.', 'year': '1993', 'journal-title': 'Plant Cell'} / Plant Cell / Mutations in the gene for red/far‐red light receptor phytochrome B alter cell elongation and physiological responses throughout Arabidopsis development by Reed J.W. (1993)
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10.1074/jbc.274.38.27231
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10.1083/jcb.145.3.437

Dates

Type	When
Created	22 years, 5 months ago (March 12, 2003, 5 p.m.)
Deposited	1 year, 10 months ago (Oct. 29, 2023, 7:03 a.m.)
Indexed	4 weeks, 1 day ago (Aug. 5, 2025, 8:57 a.m.)
Issued	25 years, 5 months ago (April 1, 2000)
Published	25 years, 5 months ago (April 1, 2000)
Published Online	23 years, 8 months ago (Dec. 25, 2001)
Published Print	25 years, 5 months ago (April 1, 2000)

Funders 0

None

BibTeX

@article{Gil_2000, title={Photocontrol of subcellular partitioning of phytochrome‐B:GFP fusion protein in tobacco seedlings}, volume={22}, ISSN={1365-313X}, url={http://dx.doi.org/10.1046/j.1365-313x.2000.00730.x}, DOI={10.1046/j.1365-313x.2000.00730.x}, number={2}, journal={The Plant Journal}, publisher={Wiley}, author={Gil, Patricia and Kircher, Stefan and Adam, Eva and Bury, Erik and Kozma‐Bognar, Laszlo and Schäfer, Eberhard and Nagy, Ferenc}, year={2000}, month=apr, pages={135–145} }

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