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Table 3 Comparison of gene contents of fern chloroplast genomes

From: Complete chloroplast genome sequence of a tree fern Alsophila spinulosa: insights into evolutionary changes in fern chloroplast genomes

Genea

Alsophila spinulosa

Adiantum capillus-veneris

Psilotum nudum

Angiopteris evecta

tRNA gene

    

   trnR-CCG (rbcL-accD)

trnR-UCG

trnSeC

   trnL-CAA (ndhB Exon2 3')

   trnL-UAA (rps4-ndhJ)

trnL-CAA

trnL-CAA

   trnK-UUU (MatK)

   trnS-CGA (psbK-psbI)

trnT-UGU (rps4-ndhJ)

(without intron)

trnT-UGU (ndhB Exon2 3')

(with one intron)

   trnV-GAC (rrn16-rps12)

   trnG-UCC (ycf12-atpA)

Protein gene

    

   psaM

   ycf66

   chlB

   chlL

   chlN

   rps16

   ycf1

  1. a Only the genes that are missing in one or more cp genomes are shown. The loci of tRNA genes are denoted by their neighbor protein genes. A filled/open circle denotes the presence/absence of a gene. A filled triangle indicates a pseudogene.