Table 1 Comparison of domains within rDNA. Characteristics of selected functional elements and domains within rDNA from Stipa spp. In the case of species where more than one putative TIS was found, the variant with the shortest 5′ETS was considered.

From: Phylogenetic implications of nuclear rRNA IGS variation in Stipa L. (Poaceae)

 

rDNA

ITS1

ITS2

IGS

3′ETS + NTS

5′ETS

Alignment length, bp

9114

221

207

3314

2628

686

Sequence length, bp

7991–8897

221

205–207

2193–3098

1513–2414

677–684

Pairwise identity, %

91.0%

98.2%

93.0%

73.4%

65.9%

97.6%

Variable characters (V)

362 (3.97%)

10 (4.52%)

7 (3.38%)

331 (9.99%)

302 (11.49%)

29 (4.23%)

Parsimony-informative sites (Pi)

113 (1.24%)

3 (1.36%)

1 (0.48%)

104 (3.14%)

96 (3.65%)

8 (1.17%)

Singleton sites (S)

221 (2.42%)

7 (3.17%)

6 (2.90%)

199 (6%)

178 (6.77%)

21 (3.06%)