[미국특허]
Methods for coupling resistance alleles in tomato
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A01H-001/04
A01H-005/00
A01H-005/08
A01H-005/10
C12Q-001/68
출원번호
US-0503595
(2009-07-15)
등록번호
US-8785720
(2014-07-22)
발명자
/ 주소
Hoogstraten, Jacobus Gerardus Joannes
Braun, III, Carl J.
출원인 / 주소
Seminis Vegetable Seeds, Inc.
대리인 / 주소
Madsen, Matthew L.
인용정보
피인용 횟수 :
0인용 특허 :
3
초록▼
A Lycopersicon esculentum plant comprising within its genome at least one tomato yellow leaf curl virus (TYLCV) resistance allele and at least one root knot nematode resistance allele, characterized in that the resistance alleles are present in coupling phase at different loci on one chromosome and
A Lycopersicon esculentum plant comprising within its genome at least one tomato yellow leaf curl virus (TYLCV) resistance allele and at least one root knot nematode resistance allele, characterized in that the resistance alleles are present in coupling phase at different loci on one chromosome and in that the plant is highly resistant both against TYLCV and to at least one root knot nematode species selected from the group consisting of Meloidogyne arenaria, Meloidogyne incognita and Meloidogyne javanica.
대표청구항▼
1. A method of growing a seed from a first Lycopersicon esculentum plant comprising: a) providing said seed of said first Lycopersicon esculentum plant wherein said plant comprises within its genome at least one Ty-1 tomato yellow leaf curl virus (TYLCV) resistance allele and at least one Mi-1 root
1. A method of growing a seed from a first Lycopersicon esculentum plant comprising: a) providing said seed of said first Lycopersicon esculentum plant wherein said plant comprises within its genome at least one Ty-1 tomato yellow leaf curl virus (TYLCV) resistance allele and at least one Mi-1 root knot nematode resistance allele, wherein the at least one Ty-1 allele and the at least one Mi-1 allele are present in the coupling phase at different loci on one chromosome and said plant is resistant against TYLCV and resistant against at least one root knot nematode species selected from the group consisting of Meloidogyne arenaria, Meloidogyne incognita and Meloidogyne javanica; andb) growing said seed to provide a second Lycopersicon esculentum plant having a fruit. 2. The method of claim 1, wherein said first Lycopersicon esculentum plant has a root knot nematode resistance score of less than about 0.1. 3. The method of claim 1, wherein said first Lycopersicon esculentum plant has a root knot nematode resistance score of less than about 0.05. 4. The method of claim 1, wherein said first Lycopersicon esculentum plant has a root knot nematode resistance score of less than about 0.04. 5. The method of claim 1, wherein said first Lycopersicon esculentum plant has a root knot nematode resistance score of less than about 0.03. 6. The method of claim 1, wherein said one chromosome is chromosome 6. 7. The method according to claim 1, wherein said TYLCV resistance allele and said root knot nematode resistance allele are non-transgenic. 8. The method according to claim 1, wherein said TYLCV resistance allele and said root knot nematode resistance allele are from Lycopersicon chilense and from Lycopersicon peruvianum, respectively. 9. The method of claim 1, further comprising obtaining a second seed from said fruit, wherein said second seed comprises within its genome at least one Ty-1 yellow leaf curl virus (TYLCV) resistance allele and at least one Mi-1 root knot nematode resistance allele, wherein the at least one Ty-1 allele and the at least one Mi-1 allele are present in the coupling phase at different loci on one chromosome. 10. The method of claim 9, further comprising growing said second seed to provide a third Lycopersicon esculentum plant and crossing said third Lycopersicon esculentum plant with a fourth Lycopersicon esculentum plant. 11. A Lycopersicon esculentum plant obtained by the method of claim 10 comprising within its genome at least one tomato yellow leaf curl virus (TYLCV) resistance allele and at least one root knot nematode resistance allele, wherein said resistance alleles are present in the coupling phase at different loci on one chromosome and said plant is resistant against TYLCV and resistant against at least one root knot nematode species selected from the group consisting of Meloidogyne arenaria, Meloidogyne incognita and Meloidogyne javanica, and said at least one root knot nematode resistance allele is an allele designated as Mi-1. 12. The plant according to claim 11, wherein said plant has a root knot nematode resistance score of less than about 0.1. 13. The plant according to claim 11, wherein said TYLCV resistance allele is the allele designated as Ty-1. 14. A Lycopersicon esculentum seed obtained by the method of claim 9, comprising within its genome at least one tomato yellow leaf curl virus (TYLCV) resistance allele and at least one root knot nematode resistance allele, wherein said resistance alleles are present in the coupling phase at different loci on one chromosome and in that said plant is resistant against TYLCV and highly resistant to at least one root knot nematode species selected from Meloidogyne arenaria, Meloidogyne incognita and Meloidogyne javanica, wherein said root knot nematode resistance allele is an allele designated as Mi-1. 15. The seed according to claim 14, wherein said plant has a root knot nematode resistance score of less than about 0.1. 16. The seed according to claim 14, wherein said TYLCV resistance allele is the allele designated as Ty-1. 17. A method of making a disease resistant L. esculentum plant comprising the steps of: a. obtaining a first parent L. esculentum plant comprising within its genome an introgression at the Ty locus from Lycopersicon chilense on chromosome 6;b. crossing said first parent L. esculentum plant with a second parent L. esculentum plant that comprises an Mi-1 introgression from Lycopersicon peruvianum on said chromosome 6; andc. selecting a progeny L. esculentum plant comprising said introgressions from L. chilense and L. peruvianum coupled in cis on chromosome 6. 18. The method of claim 17, wherein said introgression at the Ty locus from Lycopersicon chilense on chromosome 6 and said Mi-1 introgression from Lycopersicon peruvianum on said chromosome 6 overcome suppressed recombination in the Mi/Ty region of chromosome 6. 19. A method of making a disease resistant L. esculentum plant comprising the steps of: a. obtaining a first parent L. esculentum plant comprising within its genome a Ty-1 introgression from Lycopersicon chilense on chromosome 6;b. crossing said first parent L. esculentum plant with a second parent L. esculentum plant that comprises a Mi-1 introgression from Lycopersicon peruvianum on said chromosome 6; andc. selecting a progeny L. esculentum plant comprising said Ty-1 introgression and said Mi-1 introgression coupled in cis. 20. The method of claim 1, wherein said first Lycopersicon esculentum plant is homozygous for said genome having at least one Ty-1 tomato yellow leaf curl virus (TYLCV) resistance allele and at least one Mi-1 root knot nematode resistance allele, wherein the at least one Ty-1 allele and the at least one Mi-1 allele are present in the coupling phase at different loci on one chromosome. 21. A method of producing a Lycopersicon esculentum fruit comprising: a) planting a Lycopersicon esculentum seed wherein said seed comprises within its genome at least one Ty-1 tomato yellow leaf curl virus (TYLCV) resistance allele and at least one Mi-1 root knot nematode resistance allele, wherein the at least one Ty-1 allele and the at least one Mi-1 allele are present in the coupling phase at different loci on one chromosome; andb) growing said seed to provide a Lycopersicon esculentum plant having a fruit, wherein said Lycopersicon esculentum plant is resistant against TYLCV and resistant against at least one root knot nematode species selected from the group consisting of Meloidogyne arenaria, Meloidogyne incognita and Meloidogyne javanica. 22. The method of claim 21, wherein said one chromosome is chromosome 6. 23. The method according to claim 21, wherein said TYLCV resistance allele and said root knot nematode resistance allele are non-transgenic. 24. The method according to claim 21, wherein said TYLCV resistance allele and said root knot nematode resistance allele are from Lycopersicon chilense and from Lycopersicon peruvianum, respectively. 25. The method according to claim 21, further comprising harvesting said fruit. 26. A Lycopersicon esculentum fruit obtained by the method of claim 21, comprising within its genome at least one tomato yellow leaf curl virus (TYLCV) resistance allele and at least one root knot nematode resistance allele, wherein said resistance alleles are present in the coupling phase at different loci on one chromosome. 27. The Lycopersicon esculentum fruit according to claim 26, wherein said TYLCV resistance allele is the allele designated as Ty-1. 28. The Lycopersicon esculentum fruit according to claim 26, wherein said root knot nematode resistance allele is the allele designated as Mi-1.
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