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SUPPLEMENTARY DATA Supplemental Table 1: List of primers used in this work. Restriction sites are given in italic.
Primer Name
P16woS_F
5´- 3´Sequence
catcagttttaaagcacagagTgctcaatgttcttccaatatcg
P16woS_R
cgatattggaagaacattgagcActctgtgctttaaaactgatg
P16_F_HindIII
ttttAAGCTTTGGAACCATCTTTTGGGTTCC
P16_R_NheI
aaaaGCTAGCCCACGCCGTCGTAGATGAG
LexA_F
aaaaCCGGTCTTGCATCCAGCTGGGC
LexA_R
Atrboh_F_Bam_F
aaaaGAATTCCCCGGGTCTAGAtttGGCTAGAG
TCGACTAGCTTC
tttggatccatgaaaccgttctcaaagaac
Atrboh_F_Xho_R
tttctcgaggaaatgctccttgtgaaattc
CIPK5_F
tttactagtatggaggaagaacggcgag
CIPK5_R
aaacccgggacaatcctcggaagaagtgttattattatc
mutagenesis of
P16 to delete SalI
site
reverse primer for
mutagenesis of
P16 to delete SalI
site
amplification of
P16 promoter
amplification of
P16 promoter
amplification of
LexA
amplification of
LexA
amplification of
RbohF
amplification of
RbohF
amplification of
CIPK5
amplification of
CIPK5
Supplemental Table 2: List of vectors generated in this work
Indicated are the plasmid names, reporter genes, epitope tags, orientation of MCS, vector
backbone and antibiotic resistance in bacteria and plants. Amp, Ampicillin; HA,
hemagglutinin epitope tag, Kan, Kanamycin; Bar, Basta, Hyg, Hygromycin resistances; MCS,
multiple cloning site.
No
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
P16ΔS:sXVE:GUS
(Fluorescent /
tag
GUS
P16ΔS
N of tag
pUC
Selection
bacteria
Amp
P16ΔS:sXVE:GFPC
GFP
P16ΔS
N of tag
pUC
Amp
P16ΔS:sXVE:GFPN
GFP
P16ΔS
C of tag
pUC
Amp
none
P16ΔS:sXVE:mCherryC
mCherry
P16ΔS
N of tag
pUC
Amp
none
P16ΔS:sXVE:mCherryN
mCherry
P16ΔS
C of tag
pUC
Amp
none
P16ΔS:sXVE:StrepIIC
StrepII
P16ΔS
N of tag
pUC
Amp
none
P16ΔS:sXVE:StrepIIN
StrepII
P16ΔS
C of tag
pUC
Amp
none
P16ΔS:sXVE:HAC
HA
P16ΔS
N of tag
pUC
Amp
none
none
Name
Promoter
MCS
Vector
Selection
plant
none
none
P16ΔS:sXVE:HAN
HA
P16ΔS
C of tag
pUC
Amp
SUPERR:sXVE:GUS
GUS
N of tag
pUC
Amp
none
SUPERR:sXVE:GFPC
GFP
SUPERR
SUPERR
N of tag
pUC
Amp
none
SUPERR:sXVE:GFPN
SUPERR:sXVE:mCherryC
GFP
mCherry
C of tag
N of tag
pUC
pUC
Amp
Amp
none
none
SUPERR:sXVE:mCherryN
mCherry
SUPERR
C of tag
pUC
Amp
none
SUPERR:sXVE:StrepIIC
StrepII
SUPERR
N of tag
pUC
Amp
none
SUPERR:sXVE:StrepIIN
StrepII
SUPERR
C of tag
pUC
Amp
none
SUPERR:sXVE:HAC
HA
SUPERR
N of tag
pUC
Amp
none
SUPERR
SUPERR
SUPERR:sXVE:HAN
HA
SUPERR
C of tag
pUC
Amp
none
P16ΔS:sXVE:GUS:Bar
GUS
P16ΔS
N of tag
pGPTVII.Bar
Kan
Bar
P16ΔS:sXVE:GFPC:Bar
GFP
P16ΔS
N of tag
pGPTVII.Bar
Kan
Bar
P16ΔS:sXVE:GFPN:Bar
GFP
P16ΔS
C of tag
pGPTVII.Bar
Kan
Bar
P16ΔS:sXVE:GFPC:Kan
GFP
P16ΔS
N of tag
pGPTVII.Kan
Kan
Kan
P16ΔS:sXVE:GFPN:Kan
GFP
P16ΔS
C of tag
pGPTVII.Kan
Kan
Kan
P16ΔS:sXVE:GFPC:Hyg
GFP
P16ΔS
N of tag
pGPTVII.Hyg
Kan
Hyg
P16ΔS:sXVE:GFPN:Hyg
GFP
P16ΔS
C of tag
pGPTVII.Hyg
Kan
Hyg
P16ΔS:sXVE:mCherryC:Bar
mCherry
P16ΔS
N of tag
pGPTVII.Bar
Kan
Bar
P16ΔS:sXVE:mCherryN:Bar
mCherry
P16ΔS
C of tag
pGPTVII.Bar
Kan
Bar
P16ΔS:sXVE:StrepIIC:Bar
StrepII
P16ΔS
N of tag
pGPTVII.Bar
Kan
Bar
P16ΔS:sXVE:StrepIIN:Bar
StrepII
P16ΔS
C of tag
pGPTVII.Bar
Kan
Bar
P16ΔS:sXVE:HAC:Bar
HA
P16ΔS
N of tag
pGPTVII.Bar
Kan
Bar
P16ΔS:sXVE:HAN:Bar
HA
P16ΔS
C of tag
pGPTVII
Kan
Bar
SUPERR:sXVE:GUS:Bar
GUS
SUPERR N of tag
pGPTVII.Bar
Kan
Bar
SUPERR:sXVE:GFPC:Bar
GFP
SUPERR N of tag
pGPTVII.Bar
Kan
Bar
SUPERR:sXVE:GFPN:Bar
GFP
SUPERR C of tag
pGPTVII.Bar
Kan
Bar
SUPERR:sXVE:GFPC:Kan
GFP
SUPERR N of tag
pGPTVII.Kan
Kan
Kan
SUPERR:sXVE:GFPN:Kan
GFP
SUPERR C of tag
pGPTVII.Kan
Kan
Kan
SUPERR:sXVE:GFPC:Hyg
GFP
SUPERR N of tag
pGPTVII.Hyg
Kan
Hyg
SUPERR:sXVE:GFPN:Hyg
GFP
SUPERR C of tag
pGPTVII.Hyg
Kan
Hyg
SUPERR:sXVE:mCherryC:Bar
mCherry
SUPERR N of tag
pGPTVII.Bar
Kan
Bar
SUPERR:sXVE:mCherryN:Bar
mCherry
SUPERR C of tag
pGPTVII.Bar
Kan
Bar
SUPERR:sXVE:StrepIIC:Bar
StrepII
SUPERR N of tag
pGPTVII.Bar
Kan
Bar
SUPERR:sXVE:StrepIIN:Bar
StrepII
SUPERR C of tag
pGPTVII.Bar
Kan
Bar
SUPERR:sXVE:HAC:Bar
HA
SUPERR N of tag
pGPTVII.Bar
Kan
Bar
SUPERR:sXVE:HAN:Bar
HA
SUPERR C of tag
pGPTVII.Bar
Kan
Bar
UBQ10:sXVE:GUS:Bar
GUS
UBQ10 N of tag
pGPTVII.Bar
Kan
Bar
Bar
UBQ10:sXVE:GFPC:Bar
GFP
UBQ10 N of tag
pGPTVII.Bar
Kan
UBQ10:sXVE:GFPN:Bar
GFP
UBQ10 C of tag
pGPTVII.Bar
Kan
Bar
UBQ10:sXVE:GFPC:Kan
GFP
UBQ10 N of tag
pGPTVII.Kan
Kan
Kan
UBQ10:sXVE:GFPN:Kan
GFP
UBQ10 C of tag
pGPTVII.Kan
Kan
Kan
UBQ10:sXVE:GFPC:Hyg
GFP
UBQ10 N of tag
pGPTVII.Hyg
Kan
Hyg
51
52
53
54
55
56
57
UBQ10:sXVE:GFPN:Hyg
GFP
UBQ10 C of tag
pGPTVII.Hyg
Kan
Hyg
UBQ10:sXVE:mCherryC:Bar
mCherry
UBQ10 N of tag
pGPTVII.Bar
Kan
Bar
UBQ10:sXVE:mCherryN:Bar
mCherry
UBQ10 C of tag
pGPTVII.Bar
Kan
Bar
UBQ10:sXVE:StrepIIC:Bar
StrepII
UBQ10 N of tag
pGPTVII.Bar
Kan
Bar
UBQ10:sXVE:StrepIIN:Bar
StrepII
UBQ10 C of tag
pGPTVII.Bar
Kan
Bar
UBQ10:sXVE:HAC:Bar
HA
UBQ10 N of tag
pGPTVII.Bar
Kan
Bar
UBQ10:sXVE:HAN:Bar
HA
UBQ10 C of tag
pGPTVII.Bar
Kan
Bar
Supplemental Table 3. Sequence data from this article can be found in AGI locus identifier
and on NCBI
Gene
CBL3
CIPK5
RBOHF
RPL37aC
UBQ10 promoter
Accession number
AT4G26570.2
AT5G10930
AT1G64060
AT3G60245
HQ693235
Supplemental Table 4. Accession numbers of the expression cassettes developed in this
work, can be found on NCBI
Name of construct
P16ΔS:sXVE:GFPC
P16ΔS:sXVE:GFPN
P16ΔS:sXVE:mCherryC
P16ΔS:sXVE:mCherryN
P16ΔS:sXVE:GUS
P16ΔS:sXVE:StrepIIC
P16ΔS:sXVE:StrepIIN
P16ΔS:sXVE:HAC
P16ΔS:sXVE:HAN
SUPERR:sXVE:GFPC
SUPERR:sXVE:GFPN
SUPERR:sXVE:mCherryC
SUPERR:sXVE:mCherryN
SUPERR:sXVE:GUS
SUPERR:sXVE:StrepIIC
SUPERR:sXVE:StrepIIN
SUPERR:sXVE:HAC
SUPERR:sXVE:HAN
Accession number
KC294588
KC294589
KC294590
KC294591
KC294592
KC294593
KC294594
KC294595
KC294596
KC294597
KC294598
KC294599
KC294600
KC294601
KC294602
KC294603
KC294604
KC294605
Supplemental Figure 1. β-estradiol concentration series for mCherry induction.
(A)
Leaves
of
N.
benthamiana,
transformed
with
P16ΔS:sXVE:mCherryC
and
SUPERR:sXVE:mCherryC, treated with β-estradiol concentrations from 0.01 µM to 100 µM
to induce expression. Controls were mock treated with 0.1 % ethanol. (B) Western blots and
immuno-detection with a RFP specific antibody. (C) Coomassie Brilliant Blue stained
membranes to confirm equal loading of proteins, also from Figure 2.
Supplemental Figure 2. Time course of induced mCherry expression. (A) Leaves of N.
benthamiana, transiently transformed with P16ΔS:sXVE:mCherryC and treated with 100 µM
β-estradiol or mock treated with 0.1% ethanol, were analyzed over a time course of five days.
(B) The same procedure as in (A) but with SUPERR:sXVE:mCherryC infiltrated leaves. (C) A
constitutive 35S:mCherry construct was transformed as a control and treated like samples in
A and B. (D) Western blots and immuno-detection with an RFP specific antibody. dpin =
days post induction, dpi = days post infiltration
Supplemental Figure 3. Induced expression of mCherry in transiently transformed
Arabidopsis leaf mesophyll protoplasts. Arabidopsis mesophyll protoplasts were transiently
transformed with inducible constructs and a constitutive control respectively, treated with 5
µM β-estradiol and analyzed 15 hours after induction. (A) P16ΔS:sXVE:mCherryC:pUC, (B)
SUPERR:sXVE:mCherryC:pUC or (C) constitutive active control 35S:GFP:pUC. Images of
single protoplasts (scale 7.5 µm ) and overview (scale = 50 µm).
Supplemental Figure 4. Bright field images corresponding to in Figure 5A and B shown
fluorescent images of β-estradiol or mock treated protoplasts transformed with
P16ΔS:sXVE:GFPC:pUC and SUPERR:sXVE:GFPC:pUC constructs.
Supplemental Figure 5. P16ΔS:GUS and SUPERR:GUS expression in stably transformed
Arabidopsis plants.
(A) GUS staining of T2 Arabidopsis plants, transformed with P16ΔS:GUS. The P16ΔS
promoter is mainly active in vascular tissue of leaves and flowers, in pollen and in growing
root tips. (B) GUS staining of T2 Arabidopsis plants, transformed with SUPERR:GUS.
SUPERR promoter is active in all parts of the plant but highly abundant in root tissue.
Supplemental Figure 6. Maps of inducible expression cassettes inserted into pGPTVII
backbones. Expression of the optimized inducible cassette is driven by UBQ10. Sequence of
the sXVE fusion protein is followed by a 3’UTR, pea rbcS E9 and LexA operator sequence.
The minimal -46 35S promoter drives target gene expression. The transcription is stopped by
the Nos-terminator. Plasmids containing GFP, mCherry, GUS, StrepII or HA tag are
available. Depending on the orientation of the reporter gene or tag the multiple cloning sites
in the plasmids are slightly different. Restriction sites flanking the promoter, the expression
cassette and the Nos-terminator allow convenient exchange of all elements.
Supplemental Figure 7. Expression of mCherry driven by UBQ10 promoter in stably
transformed Arabidopsis plants. (A) Seven day old seedlings were transferred to media
containing 5 µM β-estradiol and induced for 24 hours. Images were taken from cotyledones
and roots. (B) Images of leaves from 21 day old plants sprayed with 100 µM β-estradiol and
induced for 48 hours. (C) Images of leaves and a petal from 42 day old plants sprayed with
100 µM β-estradiol and induced for 48 hours.