Plant-derived cis-regulatory elements for the development of pathogen-responsive chimeric promotors
The invention relates to an isolated cis-regulatory element imparting pathogen inducibility or elicitor inducibility, which comprises a nucleic acid molecule, the nucleotide sequence of which corresponds to one of the core sequence motifs comprising a) vaaagtm, b) aaacca, c) scaaam, d) acrcg, e) sktgkact, f) mrtsack, g) ccaccaa, h) tcgtctcttc (SEQ ID NO: 35), i) wwkgwc or a core sequence motif complementary to a) to i).
1. A chimeric promoter comprising a minimal promoter and at least one multimer of cis-regulatory element, wherein said cis-regulatory element comprises a nucleotide sequence selected from the group consisting of
a) SEQ ID NOS: 7-11, 13, and 15,
b) SEQ ID NO: 2,
c) SEQ ID NO: 140,
d) SEQ ID NO: 141,
e) SEQ ID NO: 142,
f) SEQ ID NO: 143,
g) SEQ ID NO: 144,
h) SEQ ID NO: 35,
i) SEQ ID NOS: 27, 28, 42, and 43; and
wherein the cis-regulatory element is upstream from the minimal promoter and the distance from the minimal promoter sequence to the upstream cis-regulatory element is between 0 and 300 base pairs; wherein the cis-regulatory element imparts a pathogen inducible or an elicitor inducible expression to a nucleic acid molecule operably linked to the chimeric promoter in a plant cell.
2. The chimeric promoter according to claim 1 , wherein the multimer is a dimer or tetramer.
3. A recombinant gene that comprises the chimeric promoter of claim 1 .
4. A recombinant vector which comprises the chimeric promoter of claim 1 .
5. A prokaryotic or eukaryotic host cell that comprises the chimeric promoter of claim 1 .
6. A plant transformed with the chimeric promoter of claim 1 .
7. Seeds, cells, tissues or part of a plant comprising the chimeric promoter of claim 1 .
8. A method for producing a plant, comprising the steps of
a) introducing the chimeric promoter of claim 1 into at least one cell of the plant and
b) regenerating the plant.
9. The chimeric promoter of claim 1 , wherein said cis-regulatory element comprises a nucleotide sequence selected from the group consisting of
a) SEQ ID NO: 3,
b) SEQ ID NO: 4,
c) SEQ ID NO: 5,
d) SEQ ID NO: 6,
and
e) a nucleotide sequence complementary to any one of the sequences a) to d).
10. The chimeric promoter of claim 1 , wherein said cis-regulatory element comprises a nucleotide sequence selected from the group consisting of
a) SEQ ID NO: 16,
b) SEQ ID NO: 17,
c) SEQ ID NO: 18,
d) SEQ ID NO: 19,
e) SEQ ID NO: 20,
f) SEQ ID NO: 21,
g) SEQ ID NO: 22,
h) SEQ ID NO: 23,
i) SEQ ID NO: 24,
j) SEQ ID NO: 25,
k) SEQ ID NO: 26,
l) SEQ ID NO: 29,
m) SEQ ID NO: 30,
n) SEQ ID NO: 31,
o) SEQ ID NO: 32,
p) SEQ ID NO: 33,
q) SEQ ID NO: 34,
and
r) a nucleotide sequence complementary to any one of the sequences from a) to q).
11. A recombinant vector which comprises the recombinant gene of claim 3 .
12. A prokaryotic or eukaryotic host cell that comprises the recombinant gene of claim 3 .
13. A plant transformed with the recombinant gene of claim 3 .
14. Seeds, cells, tissues or part of a plant comprising a recombinant gene that comprises the chimeric promoter of claim 1 .
15. A method for producing a plant, comprising the steps of
a) introducing the recombinant gene of claim 3 into at least one cell of the plant and
b) regenerating the plant.
16. A prokaryotic or eukaryotic host cell that comprises the recombinant vector of claim 4 .
17. A plant transformed with the recombinant vector of claim 4 .
18. Seeds, cells, tissues or part of a plant comprising a recombinant vector which comprises the chimeric promoter of claim 1 .
19. A method for producing a plant, comprising the steps of
a) introducing the recombinant vector of claim 4 into at least one cell of the plant and
b) regenerating the plant.
20. The chimeric promoter according to claim 1 , wherein said cis-regulatory element is derived from a different species to that of the minimal promoter.
21. The chimeric promoter according to claim 1 , wherein said at least one multimer of cis-regulatory element is localized within the chimeric promoter in a genetic environment that is different from a natural promoter.
22. The chimeric promoter according to claim 1 , wherein said at least one cis-regulatory element comprises at least 11 nucleotides.
23. The chimeric promoter according to claim 1 , wherein the distance between two cis-regulatory elements in the multimer is 0 to 10 base pairs.
24. The chimeric promoter according to claim 1 , wherein after the pathogen/elicitor contact the induction of the chimeric promoter is at least 2-fold greater than its induction without the pathogen/elicitor contact.