Modifying soybean oil composition through targeted knockout of the FAD2-1A/1B genes
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C12N-015/82
C12N-015/01
C12P-007/64
C12N-009/02
출원번호
US-0208027
(2014-03-13)
등록번호
US-10113162
(2018-10-30)
발명자
/ 주소
Mathis, Luc
Voytas, Daniel F.
Zhang, Feng
Haun, William
출원인 / 주소
CELLECTIS
대리인 / 주소
Fish & Richardson P.C.
인용정보
피인용 횟수 :
0인용 특허 :
55
초록
Materials and methods are provided for making soybean varieties that have altered oil composition as a result of mutations in the FAD2-1A and FAD2-1B genes.
대표청구항▼
1. A soybean plant, plant part, or plant cell comprising: (a) a deletion in each FAD2-1A allele, wherein said deletion in each FAD2-1A allele was induced by transcription activator-like (TAL) effector endonucleases targeted to SEQ ID NOS: 32 and 33, and(b) a deletion in each FAD2-1B allele, wherein
1. A soybean plant, plant part, or plant cell comprising: (a) a deletion in each FAD2-1A allele, wherein said deletion in each FAD2-1A allele was induced by transcription activator-like (TAL) effector endonucleases targeted to SEQ ID NOS: 32 and 33, and(b) a deletion in each FAD2-1B allele, wherein said deletion in each FAD2-1B allele is 23 bp in size, and wherein said deletion in each FAD2-1B allele was induced by TAL effector endonucleases targeted to SEQ ID NOS: 32 and 33,wherein oil produced from said plant, plant part, or plant cell has increased oleic acid content and decreased linoleic acid content as compared to oil produced from a corresponding wild type soybean plant, plant part, or plant cell. 2. The soybean plant, plant part, or plant cell of claim 1, wherein each said FAD2-1A and FAD2-1B allele has a deletion of an endogenous nucleic acid sequence and does not include any exogenous nucleic acid. 3. A soybean plant, plant part, or plant cell comprising: (a) a deletion in each FAD2-1A allele, wherein said deletion in each FAD2-1A allele was induced by TAL effector endonucleases targeted to SEQ ID NOS: 32 and 33, and(b) a deletion in each FAD2-1B allele, wherein said deletion in each FAD2-1B allele is 23 bp in size, and wherein said deletion in each FAD2-1B allele was induced by TAL effector endonucleases targeted to SEQ ID NOS: 32 and 33,wherein oil produced from said plant, plant part, or plant cell has an oleic acid content of greater than 30%. 4. The soybean plant, plant part, or plant cell of claim 3, wherein said oleic acid content is greater than 40%. 5. A soybean plant, plant part, or plant cell comprising: (a) a deletion in each FAD2-1A allele, wherein said deletion in each FAD2-1A allele was induced by TAL effector endonucleases targeted to SEQ ID NOS: 32 and 33, and(b) a deletion in each FAD2-1B allele, wherein said deletion in each FAD2-1B allele is 23 bp in size, and wherein said deletion in each FAD2-1B allele was induced by TAL effector endonucleases targeted to SEQ ID NOS: 32 and 33,wherein oil produced from said plant, plant part, or plant cell has a linoleic acid content of less than 10%. 6. The soybean plant, plant part, or plant cell of claim 5, wherein said linoleic acid content is less than 5%. 7. A method for producing soybean oil having increased oleic acid content and reduced linoleic acid content, comprising: (a) providing a soybean plant or plant part comprising(i) a deletion in each FAD2-1A allele, wherein said deletion in each FAD2-1A allele was induced by TAL effector endonucleases targeted to SEQ ID NOS: 32 and 33, and(ii) a deletion in each FAD2-1B allele, wherein said deletion in each FAD2-1B allele is 23 bp in size, and wherein said deletion in each FAD2-1B allele was induced by TAL effector endonucleases targeted to SEQ ID NOS: 32 and 33; and(b) producing oil from said plant or plant part. 8. A method for making a soybean plant comprising a deletion in each FAD2-1A allele and a deletion in each FAD2-1B allele, wherein the deletion in each said FAD2-1B allele is 23 bp in size, said method comprising: (a) contacting a population of soybean plant cells comprising functional FAD2-1A and FAD2-1B alleles with a TAL effector endonuclease targeted to SEQ ID NO: 32, and a TAL effector endonuclease targeted to SEQ ID NO: 33,(b) selecting, from said population, a cell in which each FAD2-1A allele and each FAD2-1B allele comprises a deletion, wherein said deletion in each FAD2-1A allele was induced by said TAL effector endonucleases targeted to SEQ ID NOS: 32 and 33, wherein said deletion in each FAD2-1B allele was induced by said TAL effector endonucleases targeted to SEQ ID NOS: 32 and 33, and wherein said deletion in each said FAD2-1B allele is 23 bp in size, and(c) regenerating said selected plant cell into a soybean plant. 9. The method of claim 8, wherein said soybean plant cells comprise cotyledon cells, and wherein said methods comprises transforming said cotyledon cells with one or more vectors encoding said TAL effector endonucleases. 10. The method of claim 8, comprising introducing into said plant cells one or more TAL effector endonuclease proteins. 11. The method of claim 8, further comprising culturing said plant cells to generate plant lines. 12. The method of claim 8, further comprising isolating genomic DNA comprising at least a portion of the FAD2-1A locus or at least a portion of the FAD2-1B locus from said plant cells. 13. A method for generating a soybean plant comprising a deletion in each FAD2-1A allele and a deletion in each FAD2-1B allele, wherein the deletion in each said FAD2-1B allele is 23 bp in size, said method comprising: (a) crossing a first soybean plant comprising a deletion in at least one FAD2-1A allele and a 23 bp deletion in at least one FAD2-1B allele with a second soybean plant comprising a deletion in at least one FAD2-1A allele and a 23 bp deletion in at least one FAD2-1B allele, to obtain progeny, wherein said deletion in at least one FAD2-1A allele in said first soybean plant was induced by TAL effector endonucleases targeted to SEQ ID NOS: 32 and 33, wherein said deletion in at least one FAD2-1B allele in said first soybean plant was induced by TAL effector endonucleases targeted to SEQ ID NOS: 32 and 33, wherein said deletion in at least one FAD2-1A allele in said second soybean plant was induced by TAL effector endonucleases targeted to SEQ ID NOS: 32 and 33, and wherein said deletion in at least one FAD2-1B allele in said second soybean plant was induced by TAL effector endonucleases targeted to SEQ ID NOS: 32 and 33; and(b) from said progeny a soybean plant that comprises a deletion in each FAD2-1A allele and each FAD2-1B allele.
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