Analysis of codon usage in the chloroplast genome of Medicago truncatula Analysis of Codon Bias of the Cold Regulated Transcription Factor ICE1 in Tea Plant Cluster Analysis and Codon Usage Bias of psbA Genes From Prokaryotic Microalgae CLUSTER ANALYSIS AND CODON USAGE BIAS STUDIES ON psbA GENES FROM 11 PLANT SPECIES Analysis of codon usage bias based on Fritillaria cirrhosa transcriptome