Development of Phytophthora Resistant Potato with Increased Yield
AssigneeBASF Plant Science GmbH
InventorsHolger Schultheiss, Timo Böhme
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Abstract
The present invention relates to transgenic potato plants having an increased resistance against Phytophthora infestans and a comparable yield of potato tubers compared with the wildtype potato plants, wherein the blb1-gen and blb2-gen are integrated within a specific genetic background into the potato plant.
Claims21
A Phythophthora-resistant transgenic potato plant, seed, tuber, plant cell or tissue thereof comprising a nucleic acid molecule comprising a nucleotide sequence having at least 80% identity with SEQ ID NO:
- 1.
A Phythophthora-resistant transgenic potato plant, seed, tuber, plant cell or tissue thereof comprising:
- a) a recombinant construct comprising a nucleic acid sequence having at least 80% identity with SEQ ID NO:
- 2 or SEQ ID NO:
- 3;
- and
- b) further comprising a junction comprising a nucleic acid sequence selected from the group consisting of:
- i) a nucleic acid sequence that can be used to amplify a nucleotide fragment of between 126 and 136 basepairs using a polymerase chain reaction with two primers having the nucleotide sequences of SEQ ID NO:
- 4 and SEQ ID NO:
- 5;
- ii) a nucleic acid sequence that can be used to amplify a nucleotide fragment of between 505 and 515 basepairs using a polymerase chain reaction with two primers having the nucleotide sequences of SEQ ID NO:
- 6 and SEQ ID NO:
- 7;
- iii) a nucleic acid sequence that can be used to amplify a nucleotide fragment of between 625 and 635 basepairs using a polymerase chain reaction with two primers having the nucleotide sequences of SEQ ID NO:
- 8 and SEQ ID NO:
- 9;
- and/or
- iv) a nucleic acid sequence that can be used to amplify a nucleotide fragment of between 4752 and 4762 basepairs using a polymerase chain reaction with two primers having the nucleotide sequences of SEQ ID NO:
- 10 and SEQ ID NO:
- 11;
- and/or
- further comprising a junction comprising a nucleic acid sequence selected from the group consisting of:
- v) a nucleic acid sequence that can be used to amplify a nucleotide fragment of between 282 and 292 basepairs using a polymerase chain reaction with two primers having the nucleotide sequences of SEQ ID NO:
- 12 and SEQ ID NO:
- 13;
- vi) a nucleic acid sequence that can be used to amplify a nucleotide fragment of between 877 and 887 basepairs using a polymerase chain reaction with two primers having the nucleotide sequences of SEQ ID NO:
- 14 and SEQ ID NO:
- 15;
- vii) a nucleic acid sequence that can be used to amplify a nucleotide fragment of between 827 and 837 basepairs using a polymerase chain reaction with two primers having the nucleotide sequences of SEQ ID NO:
- 16 and SEQ ID NO:
- 17;
- and/or
- viii) a nucleic acid sequence that can be used to amplify a nucleotide fragment of between 9905 and 9915 basepairs using a polymerase chain reaction with two primers having the nucleotide sequences of SEQ ID NO:
- 18 and SEQ ID NO:
- 19.
A method for providing a Phythophthora-resistant transgenic potato plant comprising the following steps:
- a) introducing a recombinant nucleic acid comprising a nucleic acid sequence having at least 80% identity with SEQ ID NO:
- 2 or SEQ ID NO:
- 3 into the genome of potato plant cells;
- b) integrating said recombinant nucleic acid into the genome;
- c) regenerating a plant from said plant cells;
- d) selecting a plant comprising a nucleic acid comprising a nucleic acid sequence having at least 80% identity with SEQ ID NO:
- 2 or SEQ ID NO:
- 3 and a junction comprising a nucleic acid sequence selected from the group consisting of:
- i) a nucleic acid sequence that can be used to amplify a nucleotide fragment of between 126 and 136 basepairs using a polymerase chain reaction with two primers having the nucleotide sequences of SEQ ID NO:
- 4 and SEQ ID NO:
- 5;
- ii) a nucleic acid sequence that can be used to amplify a nucleotide fragment of between 505 and 515 basepairs using a polymerase chain reaction with two primers having the nucleotide sequences of SEQ ID NO:
- 6 and SEQ ID NO:
- 7;
- iii) a nucleic acid sequence that can be used to amplify a nucleotide fragment of between 625 and 635 basepairs using a polymerase chain reaction with two primers having the nucleotide sequences of SEQ ID NO:
- 8 and SEQ ID NO:
- 9;
- and/or
- iv) a nucleic acid sequence that can be used to amplify a nucleotide fragment of between 4752 and 4762 basepairs, using a polymerase chain reaction with two primers having the nucleotide sequences of SEQ ID NO:
- 10 and SEQ ID NO:
- 11;
- and/or
- further comprising a junction comprising a nucleic acid sequence selected from the group consisting of:
- v) a nucleic acid sequence that can be used to amplify a nucleotide fragment of between 282 and 292 basepairs using a polymerase chain reaction with two primers having the nucleotide sequences of SEQ ID NO:
- 12 and SEQ ID NO:
- 13;
- vi) a nucleic acid sequence that can be used to amplify a nucleotide fragment of between 877 and 887 basepairs using a polymerase chain reaction with two primers having the nucleotide sequences of SEQ ID NO:
- 14 and SEQ ID NO:
- 15;
- vii) a nucleic acid sequence that can be used to amplify a nucleotide fragment of between 827 and 837 basepairs using a polymerase chain reaction with two primers having the nucleotide sequences of SEQ ID NO:
- 16 and SEQ ID NO:
- 17;
- and/or
- viii) a nucleic acid sequence that can be used to amplify a nucleotide fragment of between 9905 and 9915 basepairs using a polymerase chain reaction with two primers having the nucleotide sequences of SEQ ID NO:
- 18 and SEQ ID NO:
- 19.
A kit comprising the primer pairs for the detection of the specific integration place, selected from the group consisting of
- SEQ ID NO:
- 4 and 5;
- SEQ ID NO:
- 6 and 7;
- SEQ ID NO:
- 8 and 9;
- SEQ ID NO:
- 10 and 14;
- SEQ ID NO:
- 12 and 13;
- SEQ ID NO:
- 14 and 15;
- SEQ ID NO:
- 16 and and/or
- SEQ ID NO:
- 18 and 19.
A polynucleotide comprising:
- a) a recombinant nucleic acid having at least 80% identity with SEQ ID NO:
- 2 or SEQ ID NO:
- 3;
- and
- b) further comprising a junction comprising a nucleic acid sequence selected from the group consisting of:
- i) a nucleic acid sequence that can be used to amplify a nucleotide fragment of 131 basepairs using a polymerase chain reaction with two primers having the nucleotide sequences of SEQ ID NO:
- 4 and SEQ ID NO:
- 5;
- ii) a nucleic acid sequence that can be used to amplify a nucleotide fragment 510 basepairs using a polymerase chain reaction with two primers having the nucleotide sequences of SEQ ID NO:
- 6 and SEQ ID NO:
- 7;
- iii) a nucleic acid sequence that can be used to amplify a nucleotide fragment of 630 basepairs using a polymerase chain reaction with two primers having the nucleotide sequences of SEQ ID NO:
- 8 and SEQ ID NO:
- 9;
- and/or
- iv) a nucleic acid sequence that can be used to amplify a nucleotide fragment of 4757 basepairs using a polymerase chain reaction with two primers having the nucleotide sequences of SEQ ID NO:
- 10 and SEQ ID NO:
- 11;
- and/or
- iv) a nucleic acid sequence that can be used to amplify a nucleotide fragment of 287 basepairs using a polymerase chain reaction with two primers having the nucleotide sequences of SEQ ID NO:
- 12 and SEQ ID NO:
- 13;
- v) a nucleic acid sequence that can be used to amplify a nucleotide fragment of 882 basepairs using a polymerase chain reaction with two primers having the nucleotide sequences of SEQ ID NO:
- 14 and SEQ ID NO:
- 15;
- vi) a nucleic acid sequence that can be used to amplify a nucleotide fragment of 832 basepairs using a polymerase chain reaction with two primers having the nucleotide sequences of SEQ ID NO:
- 16 and SEQ ID NO:
- 17;
- and/or
- vii) a nucleic acid sequence that can be used to amplify a nucleotide fragment of 13234 basepairs using a polymerase chain reaction with two primers having the nucleotide sequences of SEQ ID NO:
- 18 and SEQ ID NO:
- 19 stably integrated into a potato plant cell nucleus.
A polynucleotide comprising a nucleotide sequence having at least 80% identity SEQ ID NO:
- 1 stably integrated into a potato plant cell nucleus.
Dependencies are inferred from the claim text.