10.1371/journal.pone.0049968.g004 Asuka Yoshida Asuka Yoshida Takemasa Sakaguchi Takemasa Sakaguchi Takashi Irie Takashi Irie Nucleotide substitutions during serial passages of the S3 series stocks. Public Library of Science 2013 substitutions serial passages s3 2013-02-19 19:55:06 Figure https://plos.figshare.com/articles/figure/_Nucleotide_substitutions_during_serial_passages_of_the_S3_series_stocks_/209191 <p>(A) The regions of C ORF containing stop codons introduced in the 4C(-) virus are shown. (B) The electrographs of the region shown in (A) of the S3 series stocks. Appreciable A-to-G (U-to-C) transition substitutions are indicated as arrows, and among these, those causing reversions of introduced stop codons are indicated as stars.</p>