TABLE 3.
Comparative analysis of base composition, codon, and amino acid usage
| Organism | No. of codons in CDS samplea | % G+C in conserved part of CDS base position in codon:
|
No. of proline codons (CCN) | No. of cysteine codons (TGY) | % of CGA/T and AGA in arginine codons (total no. of arginine codons) | % of TTA/G in leucine codons (total no. of leucine codons) | Avg size of IG sequences (nt)b | % G+C in IG sequencesb | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
| All | 1 | 2 | 3 | ||||||||
| “Ca. P. asteris”c (OY) | 7,200 | 32.06 | 43.62 | 29.08 | 23.46 | 249 | 76 | 77.4 (244) | 66.8 (764) | 78.1 | 22.3 |
| Stolbur (PO) | 7,150 | 30.95 | 42.11 | 28.73 | 22.00 | 229 | 58 | 74.4 (277) | 77.2 (755) | 47.6 | 18.9 |
a
Corresponds to the conserved parts of 45 CDS.
b
IG, intergenic; nt, nucleotides. The average size of intergenic sequences was calculated for 14 intergenic sequences between two conserved CDS in conserved order.
c
“Ca. Phytoplasma asteris.”