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Table 4 tRNA genes in fern rbcL-accD intergenic spacer sequencesa

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

Orderb

Family

Number of sequences

tRNA genec

Cyatheales (tree ferns)

Cyatheaceae

140

trnR-UCG

 

Dicksoniaceae

6

trnR-UCG

 

Lophosoriaceae

1

trnR-UCG

 

Hymenophyllopsidaceae

1

trnR-UCG

Gleicheniales

Dipteridaceae

1

trnR-CCG

 

Gleicheniaceae

2

trnR-CCG

Hymenophyllales

Hymenophyllaceae

84

trnR-CCG

Osmundales

Osmundaceae

18

trnR-CCG

Marattiales

Marattiaceae

1

trnR-CCG

Psilotales

Psilotaceae

1

trnR-CCG

Ophioglossales

Ophioglossaceae

1

trnR-CCG

  1. a All sequence data were obtained from GenBank at March 30, 2009;
  2. b Group names at ordinal level follow Smith et al. [7];
  3. c tRNA genes were identified by using ARAGORN v1.2 http://130.235.46.10/ARAGORN/[22]