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Table 1 Ancestral plant genomes

From: Paleogenomics: reconstruction of plant evolutionary trajectories from modern and ancient DNA

Family Dating Name Chromosome number Gene number Reference
Angiosperms 190–238 AAK (post-ε/ζ) 15 22,899 [23]
Eudicots 87–109 AEK (pre-γ) 7 6284 [23]
Eudicots 87–109 AEK (post-γ) 21 9022 [23]
Monocots 100–150 AMK (pre-τ) 5 6707 [23]
Monocots 100–150 AMK (post-τ) 10 13,916 [23]
Grasses 65–81 AGK (pre-ρ) 7 8581 [39]
Grasses 70–96 AGK (pre-ρ) 7 9430 [37]
Grasses 65–81 AGK (post-ρ) 12 16,464 [39]
Grasses 70–96 AGK (post-ρ) 12 18,860 [37]
Brassicaceae 27–40 ABK (post-α/β) 8 20,037 [34]
Brassicaceae 23–27 ACaK (post-α/β) 8 22,085 [34]
Brassicaceae 23–27 PCK (post-α/β) 7 21,227 [34]
Rosaceae 70–90 ARK (post-WGD) 9 8861 [33]
Cucurbitaceae 25–50 ACuK (post-WGD) 12 (Melon as pivot) 18,534 [35]
Legumes 56–59 ALK (post-WGD) 28,900 [36]
  1. Summary of reconstructed ancestral angiosperm genomes listing the targeted botanical family, dating (in mya) of the whole-genome duplication defining the delivered post- and pre-polyploidization ancestors, ancestral genome name, number of chromosomes, number of genes and associated references in the literature
  2. Abbreviations: AAK ancestral angiosperm karyotype, ABK ancestral Brassicaceae karyotype, ACaK ancestral Camelineae karyotype, ACuK ancestral Cucurbitaceae karyotype, AEK ancestral eudicot karyotype, AGK ancestral grass karyotype, ALK ancestral legume karyotype, AMK ancestral monocot karyotype, ARK ancestral Rosaceae karyotype, PCK proto-Calepineae karyotype, WGD whole-genome duplication