Table 3 Number of selected photosynthesis-related nuclear genes and nuclear genes encoding proteins involved in plastid functions other than photosynthesis in Epipogium aphyllum and photosynthetic orchids as well as Hypopitys monotropa and photosynthetic Ericales
Genes | Number in E. aphyllum | Median number in photosynthetic orchids | Number in H. monotropa | Median number in photosynthetic Ericales |
|---|---|---|---|---|
Photosynthesis-related | ||||
 Components of photosystem I | 0 | 9 | 0 | 8 |
 Components of photosystem II | 0 | 9 | 0 | 8 |
 Components of electron transfer chain (others than PSI and PSII) | 0 | 5 | 0 | 6 |
 Light-harvesting complex | 1 | 10 | 0 | 8 |
 Calvin cycle | 10 | 20 | 14 | 21 |
 Sigma subunits of PEP and PEP-associated proteins | 0 | 14 | 1 | 14 |
 Plastid ATP synthase | 0 | 3 | 0 | 3 |
Non-photosynthesis-related | ||||
 Plastid ribosome | 33 | 34 | 31 | 31 |
 Clp subunits | 11 | 12 | 10 | 10 |
 ACC subunits | 5 | 6 | 4 | 7 |
 Plastid translocon | 15 | 20 | 11 | 18 |