Phytochrome, a light receptor of plant photomorphogenesis

Rüdiger, W.

doi:10.1007/bfb0025288

Cited by 56 publications

(16 citation statements)

References 168 publications

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“…The most im portant photore ceptor for these processes in higher plants is the biliprotein phytochrom e [1 ] which exists in a physiologically inactive form Pr (Amax = 665 nm) and a physiologically active form Pfr (Amax = 730 nm). Both forms are photoreversible, i.e.…”

mentioning

confidence: 99%

Chromopeptides from Phytochrome and Phycocyanin. NM R Studies o f the P_fr and P_r Chromophore of Phytochrome and E,Z Isomeric Chromophores of Phycocyanin

Thümmler¹,

Rüdiger²,

Cmiel

et al. 1983

Zeitschrift Für Naturforschung C

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Bilipeptides, C-Phycocyanin, High Resolution N M R Spectra, Photoisom erization, Phytochrom e Chromopeptides were prepared by pepsin digestion of C-phycocyanin isolated from the cyano bacterium Spirulina m axim a and o f phytochrom e isolated from seedlings o f Avena sativa L. The chromopeptides were characterized by am ino acid analysis. The Z Z Z configurated chrom ophore of the phycocyanin peptide was transformed into its Z Z E configurated isom er by the m ethod of Falk et al. (Mh. C hem ie 111, [159][160][161][162][163][164][165][166][167][168][169][170][171][172][173][174][175] 1980) which had previously been applied to biliverdins. The 500 MHz 'H N M R spectrum o f the Z Z E configurated chrom opeptides confirmed that its chromophore has the 15 E configuration. Irradiation yielded the Z Z Z configurated isom er for which the 'H N M R spectrum was also recorded. N ative phytochrom e was irradiated at 660 nm to yield the maximum am ount of the Pfr from (about 75% of total phytochrome). By digestion in the dark the previously described Pfr chrom opeptide was obtained. studies. Similar studies with phycocyanin, the light harvesting chrom oprotein of blue-green algae and red algae [6 ] showed, that its chrom ophore (Structure lb ) differs from phytochrom obilin only in the side chain at C -l8 , which is an ethyl group in phycocyanobilin and a vinyl group in phytochrom o bilin [7,8 ], R 1a : r = CH = CH2 1b : R= C2 h 5

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mentioning

confidence: 99%

Chromopeptides from Phytochrome and Phycocyanin. NM R Studies o f the P_fr and P_r Chromophore of Phytochrome and E,Z Isomeric Chromophores of Phycocyanin

Thümmler¹,

Rüdiger²,

Cmiel

et al. 1983

Zeitschrift Für Naturforschung C

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“…Such an effort is warranted because, as already noted, such common determinants quite likely would be part of that region (those regions) of the phytochrome molecule that is (are) responsible for the primary molecular activity that leads to phytochrome-mediated morphogenesis. While it is possible that the chromophore might function as a common determinant, the probability of this being the case is reduced by the observation of Rice and Briggs (10) that antioat-phytochrome serum does not cross-react with phycocyanin, which contains a chromophore nearly identical to that of phytochrome (11).…”

Section: Resultsmentioning

confidence: 99%

Comparative Phytochrome Immunochemistry as Assayed by Antisera against Both Monocotyledonous and Dicotyledonous Phytochrome

Cordonnier¹,

Pratt²

1982

Plant Physiol.

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Preparation and characterization of antisera against lettuce (Lactuca sativa L., cv. Grand Rapids) and pea (Pisum sativum L., cv. Alaska) phytochrome is described. These antisera, together with previously obtained antisera against zucchini ( Cucurbita pepo L., cv. Black Beauty) and oat (Avena sativa L., cv. Garry) phytochrome, were used to compare by Ouchterlony double immunodiffusion phytochrome isolated from etiolated lettuce, pea, bean (Phaseolus vulgaris L., cv. Taylor Horticultural Bush), zucchini, oat and rye (Secale cereale L., cv. Balbo) seedlings. Cross

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“…4. Both P r and P f r carry probably one single chromophore in small as well as in large phytochrome, and the molecular weight remains within the same range upon photoconversion (see PRATT 1978, RÜDIGER 1980. Any dimeriza-tion reactions of the chromophore can, therefore, be excluded.…”

Section: Chemical Model Studiesmentioning

confidence: 99%

“…The chromophore of phytochrome has previously been treated in several books and reviews (MITRAKOS and SHROPSHIRE 1972, SMITH 1975, BRIGGS and RICE 1972, SMITH and KFNDRICK 1976, PRATT 1978, RÜDIGER 1980. A comprehensive bibliography on the literature prior to 1975 is available (CORRELL et al 1977).…”

Section: Introductionmentioning

confidence: 99%

Chromophores in Photomorphogenesis

Rüdiger¹,

Scheer²

1983

Photomorphogenesis

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Library of Congress Cataloging in PublicationThis work is subject to copyright. All rights are reserved, whether the whole or part of the material is concerned, specifically those of translation, reprinting, re-use of illustrations, broadcasting, reproduction by photocopying machine or similar means, and storage in data banks.Under §54 of the German Copyright Law where copies are made for other than private use, a fee is payable to "Verwertungsgesellschaft Wort" Munich. © by Springer-Verlag Berlin-Heidelberg 1983 Printed in GermanyThe use of registered names, trademarks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use.Typesetting, printing and bookbinding: Universitätsdruckerei H. Stürtz AG, Würzburg.

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Phytochrome, a light receptor of plant photomorphogenesis

Cited by 56 publications

References 168 publications

Chromopeptides from Phytochrome and Phycocyanin. NM R Studies o f the P_fr and P_r Chromophore of Phytochrome and E,Z Isomeric Chromophores of Phycocyanin

Chromopeptides from Phytochrome and Phycocyanin. NM R Studies o f the P_fr and P_r Chromophore of Phytochrome and E,Z Isomeric Chromophores of Phycocyanin

Comparative Phytochrome Immunochemistry as Assayed by Antisera against Both Monocotyledonous and Dicotyledonous Phytochrome

Chromophores in Photomorphogenesis

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Phytochrome, a light receptor of plant photomorphogenesis

Cited by 56 publications

References 168 publications

Chromopeptides from Phytochrome and Phycocyanin. NM R Studies o f the Pfr and Pr Chromophore of Phytochrome and E,Z Isomeric Chromophores of Phycocyanin

Chromopeptides from Phytochrome and Phycocyanin. NM R Studies o f the Pfr and Pr Chromophore of Phytochrome and E,Z Isomeric Chromophores of Phycocyanin

Comparative Phytochrome Immunochemistry as Assayed by Antisera against Both Monocotyledonous and Dicotyledonous Phytochrome

Chromophores in Photomorphogenesis

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Chromopeptides from Phytochrome and Phycocyanin. NM R Studies o f the P_fr and P_r Chromophore of Phytochrome and E,Z Isomeric Chromophores of Phycocyanin

Chromopeptides from Phytochrome and Phycocyanin. NM R Studies o f the P_fr and P_r Chromophore of Phytochrome and E,Z Isomeric Chromophores of Phycocyanin