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Table 1 Copy numbers of the cytokinin signaling components

From: The effects of repeated whole genome duplication events on the evolution of cytokinin signaling pathway

Species

CHKs

HPTs (AHPT/PHPT)

RRAs

RRBs

Arabidopsis lyrata

3

6 (5/1)

10

15

Arabidopsis thaliana

3

6 (5/1)

10

15

Brassica oleracea

4

8 (7/1)

15

19

Brassica rapa

4

8 (7/1)

20

20

Nelumbo nucifera

4

8 (6/2)

7

11

Musa acuminata

8

10 (8/2)

14

14

Oryza sativa Japonica Group

4

5 (2/3)

13

10a

Zea mays

7

5 (4/1)

12

9

Amborella trichopoda

2

4 (3/1)

4

6

Picea abies

2

7 (5/2)

12

7

Pinus taeda

3

3 (3/0)

13

9

Selaginella moellendorffii

2

2 (2/0)

3

10

Physcomitrella patens

11

2 (2/0)

7

5

Klebsormidium flaccidum

9

1 (1/0)

3

1

  1. Abbreviations: AHPT authentic His-containing phosphotransfer protein, PHPT pseudo His-containing phosphotransfer protein, which lacks the conserved His
  2. awithout EHD1 copies: OrysatHPT25 OsRR27 and OrysatHPT24 OsRR30, including B-IV group, B-V group excluded (classification according to Tsai et al. [45])