Literature DB >> 967695

Effect of ribosylzeatin isomers on the enzymatic degradation of N6-(delta2-isopentenyl) adenosine.

V Paces, M Kamínek.   

Abstract

Cytokinin oxidase has been partially purified from cultured tobacco tissue. This enzyme converts N6-(delta2-isopentenyl)-adenosine to adenosine. The reaction is inhibited by the two isomers of ribosylzeatin [n6-4-hydroxy-3-methylbut-2-enyl)adenosine]. Trans-ribosylzeatin inhibits the reaction more than the cis-isomer.

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Year:  1976        PMID： 967695      PMCID： PMC343086          DOI： 10.1093/nar/3.9.2309

Source DB:  PubMed          Journal:  Nucleic Acids Res        ISSN： 0305-1048            Impact factor:   16.971


  6 in total

1.  Letter: Evolution of tRNA and origin of the two positional isomers of zeatin.

Authors:  M Kamínek
Journal:  J Theor Biol       Date:  1974-12       Impact factor: 2.691

2.  Role modifications in tyrosine transfer RNA: a modified base affecting ribosome binding.

Authors:  M L Gefter; R L Russell
Journal:  J Mol Biol       Date:  1969-01-14       Impact factor: 5.469

3.  A cytokinin oxidase in Zea mays.

Authors:  C D Whitty; R H Hall
Journal:  Can J Biochem       Date:  1974-09

4.  Selective modification of yeast seryl-t-RNA and its effect on the acceptance and binding functions.

Authors:  F Fittler; R H Hall
Journal:  Biochem Biophys Res Commun       Date:  1966-11-22       Impact factor: 3.575

5.  Conversion of N-(Delta-Isopentenyl)adenosine to Adenosine by Enzyme Activity in Tobacco Tissue.

Authors:  V Paces; E Werstiuk; R H Hall
Journal:  Plant Physiol       Date:  1971-12       Impact factor: 8.340

6.  trans-Ribosylzeatin: Its Biosynthesis in Zea mays Endosperm and the Mycorrhizal Fungus, Rhizopogon roseolus.

Authors:  G Miura; R H Hall
Journal:  Plant Physiol       Date:  1973-03       Impact factor: 8.340
  6 in total
  6 in total

1.  Cytokinins and Differentiation Processes in Mercurialis annua: Genetic Regulation, Relations with Auxins, Indoleacetic Acid Oxidases, and Sexual Expression Patterns.

Authors:  J P Louis; C Augur; G Teller
Journal:  Plant Physiol       Date:  1990-12       Impact factor: 8.340

2.  Cytokinin Oxidase from Phaseolus vulgaris Callus Cultures : Affinity for Concanavalin.

Authors:  J M Chatfield; D J Armstrong
Journal:  Plant Physiol       Date:  1988-10       Impact factor: 8.340

Review 3.  Cytokinin metabolism: implications for regulation of plant growth and development.

Authors:  B Brzobohatý; I Moore; K Palme
Journal:  Plant Mol Biol       Date:  1994-12       Impact factor: 4.076

4.  Effect of stereospecific hydroxylation of N(6)-(Δ (2)-Isopentenyl)adenosine on cytokinin activity.

Authors:  M Kamínek; V Pačes; J Corse; J S Challice
Journal:  Planta       Date:  1979-01       Impact factor: 4.116

5.  Regulation of Cytokinin Oxidase Activity in Callus Tissues of Phaseolus vulgaris L. cv Great Northern.

Authors:  J M Chatfield; D J Armstrong
Journal:  Plant Physiol       Date:  1986-02       Impact factor: 8.340

6.  Genotypic variation in cytokinin oxidase from phaseolus callus cultures.

Authors:  M Kaminek; D J Armstrong
Journal:  Plant Physiol       Date:  1990-08       Impact factor: 8.340
  6 in total

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