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- Title
Cytokinins and tRNAs: arguments against a hypothesis of cytokinin action.
- Authors
Jansson, S.
- Abstract
Arguments against the hypothesis of cytokinin action via competitive binding of cytokinin and cytokinin-containing tRNA to specific receptor proteins [Romanov (1990) <em>Plant Cell and Environment</em> 13, 751-154] are presented. The hypothesis states that cereal genes containing a large number (4-8%) of the Leu codons TTG and TrA should be regulated by cytokinin at the translational level. In this paper, it is shown that the only genes that fulfil these hypothetical requirements are the ones encoding the heavy chain of zein. It is further shown that this is a consequence of the high Leu content of the encoded proteins and the lack of GC bias of the genes.
- Subjects
CYTOKININS; MOLECULAR biology; PLANT hormones; TRANSFER RNA; PLANT proteins; CARRIER proteins; GENES
- Publication
Plant, Cell & Environment, 1992, Vol 15, Issue 5, p503
- ISSN
0140-7791
- Publication type
Article
- DOI
10.1111/j.1365-3040.1992.tb01483.x