Table 3 Identification of transcripts encoding putative transcription factors in cambium and differentiating xylem in C. japonica against Populus trichocarpa

C3H

Zinc finger, C-x8-C-x5-C-x3-H type

160

5.82

NAC

No apical meristem (NAM) domain

157

5.71

PHD

Cys4--His--Cys3 zinc finger

146

5.31

AP2-EREB

PAP2 domain

139

5.06

HB

Homeobox domain

126

4.58

bHLH

Helix-loop-helix DNA-binding domain

123

4.47

SNF2

ATP binding/DNA binding/helicase/nucleic acid binding

116

4.22

WRKY

WRKY DNA-binding domain

115

4.18

C2H2

Zinc finger, C2H2 type

113

4.11

MYB

Myb-like DNA-binding domain

110

4.00

Orphans

antiporter/multidrug efflux pump/transporter

107

3.89

MYB-related

N-terminal myb-domain

95

3.46

ARF

Auxin response factor

68

2.47

SET

SET domain

61

2.22

bZIP

Basic leucine zipper (bZIP) motif

59

2.15

Trihelix

Trihelix DNA-binding domain

58

2.11

CCAAT

NUCLEAR FACTOR Y, SUBUNIT A10

54

1.96

G2-like

PRENYLATED RAB ACCEPTOR 1.G2

54

1.96

GRAS

GRAS protein

54

1.96

TRAF

TRAF homology domain-containing protein

48

1.75

ABI3VP1

ABI3/VP1 protein

44

1.60

MADS

DNA-binding and dimaerization domain

41

1.49

FAR1

N-terminal microtubule binding motor domain

40

1.46

GNAT

GCN5-related N-acetyltransferase (GNAT) family protein

39

1.42

mTERF

mitochondrial transcription termination factor family protein

36

1.31

Jumonji

nucleic acid binding/zinc ion binding

31

1.13

TCP

ATP binding/protein binding

30

1.09

HSF

Heat shock factor

26

0.95

C2C2-Dof

Dof zinc finger

23

0.84

FHA

Forkhead domain

23

0.84

DBP

protein phosphatase 2C

22

0.80

CPP

copalyl pyrophosphate (CPP) of gibberellin biosynthesis

21

0.76

zf-HD

zf-HD class homeobox domain

21

0.76

LOB

LATERAL ORGAN BOUNDARIES

20

0.73

SBP

SBP domain

20

0.73

AUX/IAA

AUX/IAA family

19

0.69

C2C2-GATA

GATA zinc finger

19

0.69

ARID

AT-rich interaction domain

17

0.62

HMG

HMG (high mobility group) domain

17

0.62

PLATZ

Plant AT-rich sequnce and zinc-binding protein1

17

0.62

LUG

LEUNIG gene

16

0.58

CAMTA

Calmodulin-binding transcription activators

15

0.55

RWP-RK

RWP-RK domain-containing protein

15

0.55

ARR-B

Arabidopsis response regulator B

14

0.51

CSD

superoxide dismutase

14

0.51

Tify

JASMONATE-ZIM-DOMAIN PROTEIN 6

14

0.51

BES1

BRI1-EMS supressor

13

0.47

E2F-DP

DNA binding/protein heterodimerization

13

0.47

SWI/SNF-SWI

chromatin binding/protein binding

10

0.36

Alfin-like

Cys4 zinc finger and His/Cys3

9

0.33

C2C2-YABBY

YABBY transcription activator

9

0.33

GRF

Growth regulation factor1

9

0.33

BSD

BSD domain-containing protein

8

0.29

EIL

Ethylene insensitivel (EIN3)

8

0.29

OFP

predicted nuclear localization signal

8

0.29

Pseudo ARR-B

Pseudo Arabidopsis response regulator B

8

0.29

TUB

structural constituent of cytoskeleton

8

0.29

C2C2-CO-like

CCT motif

7

0.25

DDT

DDT domain-containing protein

7

0.25

Sigma70-like

DNA binding/DNA-directed RNA polymerase

7

0.25

SWI/SNF-BAF

SWIB complex BAF60b domain-containing protein

7

0.25

GeBPD

NA-binding storekeeper protein-related

6

0.22

LIM

LIM domain

5

0.18

TAZ

TAZ zinc finger

5

0.18

VOZ

VOZ domain

5

0.18

Coactivator p15

transcriptional coactivator p15 (PC4) family protein

3

0.11

IWS1

molecular_function unknown

3

0.11

BBR/BPC

DNA binding

2

0.07

PBF-2-like

peptidase/threonine-type endopeptidase

2

0.07

Rcd1-like

RADICAL-INDUCED CELL DEATH1

2

0.07

SRS

Domain unknown function

2

0.07

HRT

nucleotide binding

1

0.04

MED6

RNA polymerase transcriptional regulation mediator-related

1

0.04

MED7

MED7 domain

1

0.04

RB

Retinoblastoma-associated protein B domain

1

0.04

SOH1

SOH1 domain

1

0.04

ULT

DNA binding

1

0.04