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. 1981 Jun;67(6):1185–1189. doi: 10.1104/pp.67.6.1185

Cytokinin-Active Ribonucleosides in Phaseolus RNA

II. DISTRIBUTION IN tRNA SPECIES FROM ETIOLATED P. VULGARIS L. SEEDLINGS 1

Cynthia A Edwards 1,2, Donald J Armstrong 1,3
PMCID: PMC425858  PMID: 16661833

Abstract

The distribution of cytokinin-active ribonucleosides in tRNA species from etiolated Phaseolus vulgaris L. seedlings has been examined. Phaseolus tRNA was fractionated by benzoylated diethylaminoethyl-cellulose and RPC-5 chromatography, and the distribution of cytokinin activity was compared with the distribution of tRNA species expected to correspond to codons beginning with U. Phaseolus tRNACys, tRNATrp, tRNATyr, a major peak of tRNAPhe, and a large fraction of tRNALeu were devoid of cytokinin activity in the tobacco bioassay. Cytokinin activity was associated with all fractions containing tRNASer species and with minor tRNALeu species. In addition, several anomalous peaks of cytokinin activity that could not be directly attributed to U group tRNA species were detected.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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