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Table 2 Expected versus observed OSC frequencies of selected genomes with non-standard genetic codes.

From: Natural selection retains overrepresented out-of-frame stop codons against frameshift peptides in prokaryotes

Species

Expected OSC counts (per 100 codons) (mean ± SD)

Observed OSC counts (per 100 codons)

p-value

Entomoplasmatales &Mycoplasmatales (translation table 4)

   

   Mesoplasma florum L1

16.653 ± 0.066

17.233

1.81 × 10-190

   Mycoplasma agalactiae PG2

16.698 ± 0.069

17.053

4.06 × 10-145

   Ureaplasma urealyticum

18.169 ± 0.076

18.154

0.00512

Vertebrate mitochondria (translation table 2)

   

   Homo sapiens

16.107 ± 0.688

16.176

0.162

   Rattus norvegicus strain Wistar

17.937 ± 0.674

17.950

0.777

Yeast mitochondria (translation table 3)

   

   Saccharomyces cerevisiae

23.178 ± 0.399

23.154

0.408

   Candida glabrata

25.924 ± 0.675

26.008

0.0809

Ascidian mitochondria (translation table 13)

   

   Ciona savignyi

18.447 ± 0.545

18.506

0.127

  1. Values are expressed as number of OSC per 100 codons.
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BMC Genomics

ISSN: 1471-2164

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