Table 2.
Ectocarpus cross-strain fertility
| Male | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Nap 1a |
Per 1c |
Cro 2c |
Tam 2d |
PAr 2d |
NZ 4 |
Cph 5a |
Pen 5a |
Fas 5b |
||
| Female | Nap, 1a | F | post | post | z | z | post | z | pre | post |
| Per, 1c | post | F | ||||||||
| Cro, 2c | post | F | z | z | pre | post | ||||
| Tam, 2d | z | z | F | z | prea | |||||
| PAr, 2d | pre | z | z | F | prea | |||||
| NZ, 4 | post | F | ||||||||
| Cph, 5a | z | |||||||||
| Pen, 5a | pre | pre | prea | prea | F | |||||
| Fas, 5b | pre | pre | F | |||||||
Data on cross-fertility summarized from [40, 41, 85–87]. Clade numbers corresponding to the phylogenetic position in are given with the strain names. F – full interfertility, z – zygote formation, no data on growth, pre – prezygotic barriers, no cell fusion, post – hybrids with reduced growth or non-functional reproductive structures. aNo data on the actual Penikese strain (Pen) are available; fertilization data were inferred from Woods Hole, Massachusetts strain of similar restriction in the mating pattern with other strains, but completely interfertile with the Penikese strain