Table 1.
Mitochondrial chromosomes in studied diplonemids
| Chromosomes classes | Unclassified chromosomes | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Group | Species | No. of classes (types) | No. of mono-module chromosomes (types) | No. of multi-module chromosomes (types) | No. of empty chromosomes (types) | No. of mono-module chromosomes | No. of multi-module chromosomes | No. of chromosomes with one module | No. of chromosomes with multiple modules (No. of modules) | Total chromosome count (No. of modules) |
| Diplonemidae | D. japonicum | 5 (A – E) | 4 (C, D) | 20 (A, B, E) | – | 3 | 3 | 7 | 23 (73a) | 30 (80a) |
| R. humris | 5 (A – E) | 59 (A – E) | 5 (A, B, D) | 2 (A) | 6 | 1 | 65 | 6 (16) | 73 (81) | |
| L. lanifica | 8 (A – H) | 71 (A – H) | 4 (A, B, D) | 7 (B, C, E) | 4 | – | 75 | 4 (8) | 86 (83) | |
| S. specki | 4 (A – D) | 38 (A) | 9 (A – D) | 16 (A) | 1 | 1 | 39 | 10 (44b) | 65 (83b) | |
| Hemistasiidae | A. motanka | 17 (A – Q) | 107 (A – K, M – Q) | 15 (A, B, E – G, J, L, N, P) | n.d. | 22 | 2 | 128 | 18 (37c) | 146 (165c) |
| N. karyoxenos | 1d (X) | 137 (X) | 5 (X) | n.d. | 20 | 1 | 157 | 6 (13) | 163 (170) | |
n.d., not determined.
a atp6-m1 on two different chromosomes (counted once).
b nad2-m2 on two different chromosomes (counted once).
c nad3-m5 on three, and nad4-m3 and nad4-m5 on two different chromosomes (counted once).
dChromosomes assigned to a class based on different criteria than in other species.