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A plastid is an organelle with a unique double-layer membrane structure in green plants, which contains the genetic material of the plastid genome and a protein synthesis system
The research team performed whole-genome shallow sequencing and de novo assembly (GetOrganelle software package) on all 6 species of 13 samples from the Douye group, 5 other species of Pedicularis, and 4 species of semiparasitic and autotrophic plants of the genus Pedicularis.
Pedicularia spp The rapid evolution is manifested in the structural stability of the NDH gene and plastid genome, which provides a good example for understanding the evolution of the plastid genome of parasitic plants.
Figure 1 .
A.
FIG 2.
Figure 3.
A : " ER " model, according to the gene function and sequence integrity divided into four states to infer the ancestral state , namely complete functional gene ( 0 ), full-length pseudogene (with early terminator) ( 1 ), fragmented Pseudogene ( 2 ) and complete loss ( 3 )
B : Dollop simplified model, the gene status is divided into three types of detection: 1 ) functional type ( 0 ) → non-functional type ( 1/2/3 ) ; 2 ) complete sequence ( 0/1 ) → fragmentation or loss (2/ 3 ) ; 3 ) Gene exists ( 0/1/2 ) → lost ( 3 )
