Table 2 Species clusters and cytological characteristics
From: Evolution of the apomixis transmitting chromosome in Pennisetum
Group No. in MP Tree | Group No in Bayesian Tree | Species Name | Primary ID | MOR | Number of chromo-somes observed | Number of ASGR | 25S rDNA on ASGR-carrier chromosome | Opie-2 around ASGR | Opie-2 in genome | Enzyme treatment (min)/Denature (sec) |
|---|---|---|---|---|---|---|---|---|---|---|
I | I | P. glaucum | 23BE | S | 14 | 0 | - | - | low | 80/70 |
I | I | P. purpureum | N109 | S | - | - | - | - | - | - |
I | I | P. purpureum | N168 | S | - | - | - | - | - | - |
I | I | P. schweinfurthii | PS243 | S | 14 | 0 | - | - | high | 80/90 |
I | I | P. setaceum | PS22 | A | - | - | - | - | - | - |
I | I | P. setaceum | PS25 | A | 27 | 1 | no | no | mid | 80/90 |
I | I | P. squamulatum | PS158 | A | 56 | 1 | no | high | low | Ref. [50] |
I | I | P. squamulatum | PS24 | A | 56 | 1 | no | high | low | 120/90 |
II | II | P. alopecuroides | PS938 | S | 18 | 0 | - | - | low | 80/90 |
II | II | P. hohenackeri | PS156 | S | - | - | - | - | - | - |
II | II | P. villosum | PS249 | A | 45 | 1 | no | no | mid | 80/90 |
III | III | P. flaccidum | PS32 | A | 36 | - | - | - | - | - |
III | III | P. flaccidum | PS95 | A | 36 | 1 | no | low | low | 100/90 |
III | III | P. orientale | PS12 | A | 54 | 2 | no | low | low | 120/45 |
III | III | P. orientale | PS13 | A | - | - | - | - | - | - |
IV | IV | C. ciliaris | B12-9 | A | 36 | 1 | yes (same arm) | high | high | Ref. [37] |
IV | IV | C. ciliaris | Higgins | A | 36 | 1 | yes (same arm) | high | high | Ref. [37] |
IV | IV | C. ciliaris | PS185 | A | - | - | - | - | - | - |
IV | IV | C. ciliaris | PS186 | A | - | - | - | - | - | - |
IV | IV | C. setigerus | PS16 | A | 36 | 1 | yes (same arm) | high | high | 80/90 |
IV | IV | P. massaicum | PS680 | A | 35 | 1 | yes (diff arm) | no | high (on 27/35 chr) | 90/50 |
IV | IV | P. massaicum | PS953 | A | 35 | - | - | - | - | - |
IV | IV | P. pedicillatum | PS304 | A | 36 | 1 | no | high | high | 80/90 |
IV | IV | P. polystachion | PS19 | A | 54 | 1 | no | mid | mid | 105/70 |
IV | IV | P. subangustum | PS163 | A | 54 | 1 | no | high | high | 60/90 |
V | V | P. mezianum | PS9 | A | 32 | 1 | no | high | low | 80/90 |
V | V | P. nervosum | PS187 | S | 54 | 0 | - | - | high | 100/90 |
V | V | P. nervosum | PS38 | S | - | - | - | - | - | - |
none | V | P. ramosum | PS29 | S | - | - | - | - | - | - |
none | V | P. ramosum | PS63 | S | 10 | 0 | - | - | low | 80/50 |
none | none | P. basedowii | PS2 | S | 54 | 0 | - | - | low | 80/50 |