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Fig. 1 | BMC Plant Biology

Fig. 1

From: Parsing the synonymous mutations in the maize genome: isoaccepting mutations are more advantageous in regions with codon co-occurrence bias

Fig. 1

A summary of the methods and materials used in this study. a Classification of mutations in CDS according to their functional consequences. Synonymous mutations do not change amino acids while nonsynonymous mutations alter amino acids. Synonymous mutations are further divided into isoaccepting and nonisoaccepting mutations. Codons with an isoaccepting mutation could still base pair with the original anticodons (tRNAs). Nonisoaccepting mutations lead to base pairing with a different anticodon (tRNA). b Definition of the terminologies describing codon co-occurrence in this study. Isoaccepting codon stretches are the regions with consecutive isoaccepting codons. The same goes for nonisoaccepting stretches. c The proposed explanation for the advantage of codon co-occurrence bias. The tRNA released from the ribosome E site is rapidly recharged by the aminoacyl-tRNA synthetase. The recharged tRNA could be immediately used by the following isoaccepting codons

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