A change in the genetic code inMycoplasma capricolum
- 1 December 1985
- journal article
- Published by Springer Nature in Journal of Molecular Evolution
- Vol. 22 (4) , 361-362
- https://doi.org/10.1007/bf02115692
Abstract
Mycoplasma capricolum was previously found to use UGA instead of UGG as its codon for tryptophan and to contain 75%A+ T in its DNA. The codon change could have been due to mutational pressure to replace C+G by A+T, resulting in the replacement of UGA stop codons by UAA, change of the anticodon in tryptophan tRNA from CCA to UCA, and replacement of UGG tryptophan codons by UGA. None of these changes should have been deleterious.Keywords
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