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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

From: RNA-seq highlights parallel and contrasting patterns in the evolution of the nuclear genome of fully mycoheterotrophic plants

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