Table 1 Chloroplast genome characteristics of six Polystachya species
Characteristics | P. dendrobiiflora | P. adansoniae | P. tenuissima | P. bennettiana | P. modesta | P. concreta |
|---|---|---|---|---|---|---|
GenBank numbers | OK930071 | OK930072 | OK930073 | OK930074 | OK930075 | OK930076 |
Voucher | HGW-M229 | HGW-M230 | HGW-M231 | HGW-M232 | HGW-M233 | HGW-M234 |
Total length (bp) | 149,274 | 147,680 | 145,484 | 145,995 | 148,853 | 146,717 |
LSC (bp) | 83,848 | 83,450 | 82,104 | 82,669 | 83,475 | 82,718 |
SSC (bp) | 14,822 | 14,132 | 12,192 | 11,894 | 14,622 | 13,179 |
IRs (bp) | 25,302 | 25,049 | 25,594 | 25,716 | 25,378 | 25,410 |
Total number of genes | 126 (107) | 128 (109) | 126 (107) | 125 (106) | 125 (106) | 125 (106) |
PCGs | 74 (68) | 74 (68) | 74 (68) | 74 (68) | 74 (68) | 74 (68) |
tRNA | 38 (30) | 38 (30) | 38 (30) | 38 (30) | 38 (30) | 38 (30) |
rRNA | 8 (4) | 8 (4) | 8 (4) | 8 (4) | 8 (4) | 8 (4) |
Pseudogenes | 6 (5) | 8 (7) | 6 (5) | 5 (4) | 5 (4) | 5 (4) |
GC content (%) | 37.0 | 36.9 | 36.9 | 37.0 | 36.9 | 37.0 |
LSC (%) | 34.4 | 34.3 | 34.3 | 34.3 | 34.4 | 34.5 |
SSC (%) | 29.5 | 29.5 | 28.8 | 29.1 | 29.4 | 29.3 |
IR (%) | 43.3 | 43.3 | 43.2 | 43.2 | 43.2 | 43.2 |