Table 2.
General Characteristics of Glaucophyte Plastid Genomes
| Glaucocystissp. BBH | Glaucocystis incrassata (SAG 229-2) | Gloeochaete wittrockiana (SAG 46.84) | Cyanoptyche gloeocystis(SAG 4.97) | Cyanophora paradoxa (UTEX LB555) | |
|---|---|---|---|---|---|
| GenBank accession | MF167424 | MF167425 | MF167426 | MF167427 | U30821 |
| Length (bp) | 130,276 | 137,017 | 143,343 | 130,086a | 135,599 |
| IR length (bp) | 10,582 | 10,538 | 24,788 | 9,348 | 11,285 |
| Protein-coding genes in the IRb | 7 | 7 | 21 | 5 | 4 |
| Noncoding DNA (bp; %) | 20,257 (15.5) | 21,243 (15.5) | 26,439 (18.44) | 24,431 (18.7) | 26,951 (19.9) |
| Introns | ND | ND | ND | 1 | 1 |
| GC content (%) | 33.4 | 33.6 | 29.6 | 30.6 | 30.5 |
| Mean intergenic space (bp)c | 148 | 152 | 199 | 179 | 199 |
| Unique protein-coding genesb | 137 | 137 | 129 | 121 | 136 |
| Unknown ORFs (>100 bp) | 11 | 20d | 18 | 20 | 8 |
| Unique RNA-coding genes | |||||
| rRNA | 3 | 3 | 3 | 3 | 3 |
| tRNA | 32 | 31 | 31 | 29 | 31 |
| tmRNA | ND | ND | ND | 1 | 1 |
| rnpB gene | 1 | 1 | 1 | 1 | 1 |
a
Partial sequence.
b
Excluding unknown ORFs.
c
RNA genes were not considered in the estimation.
d
Excluding ten ORFs in the 7.9-kb insertion.