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Table 2 The similarity of the deduced amino acid sequences of αCENH3 and βCENH3

From: The origin and evolution of a two-component system of paralogous genes encoding the centromeric histone CENH3 in cereals

Species Tribe Similarity of protein copies, % Similarity of NTTs, % Similarity
of HFDs, %
Stipa sibirica
Stipa breviflora
Stipeae 77.5
75.2
64.9
58.4
87.5
89.8
Brachypodium sylvaticum Brachypodieae 70.4 52.9 83.5
Lolium perenne Poeae 69.0 42.7 90.2
Dactylis glomerata Poeae 71.7 50.7 87.8
Avena sativa β1*
β2
Poeae 65.7
66.1
42.7
55.6
86.7
86.7
Hordeum brevisubulatum Triticeae 74.7 53.4 91.4
Hordeum spontaneum 1H**
6H
Triticeae 62.9
65.5
45.6
42.7
81.9
82.8
Hordeum vulgare 1H**
6H
Triticeae 61.4
64.9
54.0
42.7
81.9
82.8
Secale cereale Triticeae 70.4 44.9 93.5
Triticum urartu Triticeae 69.6 45.8 90.3
Aegilops speltoides Triticeae 67.8 45.0 88.4
Aegilops tauschii Triticeae 70.4 43.4 91.4
Triticum aestivum A***
B
D
Triticeae 69.6
71.3
70.4
43.4
44.3
43.4
90.3
92.5
91.4
  1. Note: Separate HFD regions are singled out according to Karimi-Ashtiyani et al. [45]
  2. * data for two copies of βCENH3 in Avena sativa
  3. ** data for βCENH3 on chromosomes 1Н and 6Н
  4. ** data for the A, B and D genomes of Triticum aestivum