Altered Methionyl-tRNA Synthetase in a Spirulina platensis Mutant Resistant to Ethionine

AUTOR(ES)
RESUMO

Compared with the parental strain, a Spirulina platensis mutant that is resistant to ethionine incorporated methionine into protein at a reduced rate, whereas ethionine incorporation was practically nil. The methionyl-tRNA synthetase present in crude extracts from the resistant strain showed a reduced affinity for methionine and ethionine.

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