Table 1. Overview of Physical Properties of Plastid Chromosomes in Nonparasitic and Parasitic Orobanchaceae
TaxonSize (bp)Gene Content (Protein-Codinga/tRNAa/rRNAb)Protein-Coding Regions (%)Noncoding Regions (%)Structural RNAs (%)GC (%)cGC Protein Coding (%)dGC Noncoding (%)dGC Structural RNAs (%)d
Lindenbergia155,10379/30/451.0741.297.6437.8038.1633.4254.57
Schwalbea160,91174/30/450.8241.817.3638.0838.8233.7354.31
Epifagus70,02821/17/443.0741.5815.3536.0134.7229.8450.20
Conopholis45,67321/18/4e49.2937.8612.8433.9235.6628.8852.45
Cistanche94,38027/26/433.4054.3612.2436.5736.2132.6653.44
Boulardia80,36126/21/442.1244.1513.7435.7635.7229.8453.82
O. crenata87,52932/27/439.8836.9213.2135.1935.3729.8453.39
O. gracilis65,53528/25/4e,f49.4236.0914.5034.5134.7928.2452.95
Myzorrhiza120,84042/28f/4f36.8553.449.7136.6937.1932.1753.65
P. purpurea62,89128/22/4e,g50.1539.7410.1131.0934.6224.9551.66
P. ramosa61,70928/22/4e,g43.5046.4310.0732.0434.9126.7752.12
  • a Number of unique genes.

  • b Unless mentioned otherwise, rDNA is present in two sets.

  • c GC content of the entire plastid chromosome.

  • d GC content of unique plastome segments (IR region removed where present).

  • e IR loss/loss of one rDNA operon.

  • f One rRNA operon may be nonfunctional.

  • g Partial duplication of rrn16.