Table 1 The nucleotide base frequencies analysis of candidate nucleotide sequences in Orchidaceae plants.
Sequences | Base content | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
A | T | C | G | GC | AT-1 | GC-1 | AT-2 | GC-2 | AT-3 | GC-3 | |
matK | 30.8 | 37.8 | 16.4 | 15.0 | 31.4 | 68.5 | 31.5 | 68.9 | 31.2 | 68.3 | 31.7 |
rbcL | 28.0 | 29.2 | 18.4 | 24.5 | 42.9 | 62.7 | 37.3 | 53.2 | 46.7 | 55.4 | 44.6 |
ndhF | 27.3 | 39.4 | 16.1 | 17.2 | 33.3 | 66.9 | 33.1 | 64.9 | 35.1 | 68.4 | 31.6 |
ycf1 | 40.4 | 30.0 | 13.9 | 15.7 | 29.6 | 69.3 | 30.8 | 71.8 | 28.2 | 60.2 | 29.8 |