Table 4 |
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|
tRNA genes in fern rbcL-accD intergenic spacer sequencesa |
|||
|
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 |
|
|
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|
a All sequence data were obtained from GenBank at March 30, 2009; b Group names at ordinal level follow Smith et al. [7]; c tRNA genes were identified by using ARAGORN v1.2 http://130.235.46.10/ARAGORN/ webcite[22] |
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|
Gao et al. BMC Evolutionary Biology 2009 9:130 doi:10.1186/1471-2148-9-130 |
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