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

Table 1 Ancestral plant genomes

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]

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
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

ISSN: 1474-760X