According to the synonymous codons used in 28 open reading frames from Pichia pastoris, the codon usage inthis species was calculated and 19 codons have been inferred to be its optimal codons.

• 通过分析Pichia pastoris 的28个蛋白编码基因的同义密码子使用情况并计算该酵母的密码于用法，首次 确定出P，bastorts的19个高表达优越密码子。