(US10407681) Plant-mediated silencing of a fatty acid and retinoid binding protein in Pratylenchus penetrans 机翻标题: 暂无翻译,请尝试点击翻译按钮。

源语言标题
(US10407681) Plant-mediated silencing of a fatty acid and retinoid binding protein in Pratylenchus penetrans
公开号/公开日
US10407681US20180282727 / 2019-09-102018-10-04
申请号/申请日
US15/936,703 / 2018-03-27
发明人
KAMO KATHRYN KVIEIRA PAULO C REISENBACK JONATHAN D;
申请人
US DEPARTMENT OF AGRICULTURE VIRGINIA TECH INTELLECTUAL PROPERTIES;
主分类号
IPC分类号
A01N-057/16 C07H-021/04 C12N-015/113
摘要
(US10407681) The present disclosure provides compositions and methods utilizing double strand ribonucleic acid (dsRNA) to control parasitic nematodes, including Pratylenchus penetrans. More particularly, the present invention relates to several specific synthetic dsRNAs that induce RNA interference (RNAi) in the target nematodes and methods of delivering the dsRNAs to them, such as allowing feeding on plants containing the dsRNAs.
机翻摘要
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地址
代理人
(US10407681) Fado John D. McNemar Mark. D
代理机构
;
优先权号
2017US-62477548 2018US-15936703
主权利要求
(US10407681) What is claimed is: 1. A double-stranded ribonucleic acid (dsRNA) comprising a first strand comprising a sequence with at least 95% identity to a portion of at least 19 consecutive nucleotides of SEQ ID NO:1 or SEQ ID NO:3 and a second strand complementary to the first strand. 2. The dsRNA of claim 1, wherein the first strand has at least 99% sequence identity to any one of SEQ ID NO:1, or SEQ ID NO:3. 3. The dsRNA of claim 1 or claim 2, wherein the first strand comprises SEQ ID NO: 1. 4. The dsRNA of claim 1 or claim 2, wherein the first strand comprises SEQ ID NO: 3. 5. A double-stranded ribonucleic acid (dsRNA) comprising a first strand comprising a sequence with at least 95% identity to a portion of at least 24 consecutive nucleotides of SEQ ID NO:1, SEQ ID NO:2, or SEQ ID NO:3 and a second strand complementary to the first strand. 6. The dsRNA of claim 5, wherein the first strand has at least 99% identity to SEQ ID NO: 2. 7. The dsRNA of claim 1 or claim 2 or claim 5, wherein the dsRNA is expressed in a plant cell. 8. The dsRNA of claim 1 or claim 2 or claim 5, wherein the dsRNA is distributed throughout at least part of a living plant. 9. The dsRNA of claim 8, wherein the plant is corn, soybean or lily. 10. The dsRNA of claim 1 or claim 2 or claim 5, wherein the dsRNA capable of inducing ribonucleic acid interference (RNAi) when ingested by a nematode. 11. The dsRNA of claim 10, wherein the nematode is Pratylenchus penetrans. 12. A DNA molecule comprising a promoter functional in a host cell and a DNA encoding a dsRNA comprising a first strand and a second strand, wherein the first strand comprises a sense region with at least 95% sequence identity a portion of at least 24 consecutive nucleotides of SEQ ID NO:1, SEQ ID NO:2, or SEQ ID NO:3 and a second strand complementary to the first strand. 13. The DNA molecule of claim 12, wherein the host cell is a plant cell. 14. A host cell comprising the DNA molecule of claim 12. 15. A plant cell, plant or seed comprising a dsRNA of claim 1 or claim 2. 16. The plant cell, plant or seed of claim 15, wherein the plant cell, plant or seed comprises the DNA molecule of claim 12. 17. A method of inducing RNAi in a nematode, comprising allowing the nematode to feed on a plant comprising the dsRNA of claim 1 or claim 2 or claim 5 such that the dsRNA is ingested by the nematode, thereby inducing RNAi. 18. The method of claim 17, wherein the dsRNA wherein the first strand of the dsRNA comprises SEQ ID NO: 1. 19. The method of claim 17, wherein the dsRNA wherein the first strand of the dsRNA comprises SEQ ID NO: 2. 20. The method of claim 17, wherein the dsRNA wherein the first strand of the dsRNA comprises SEQ ID NO: 3. 21. The method of claim 17, wherein the plant is corn, lily or soybean.
法律状态
GRANTED
专利类型码
B2A1
国别省市代码
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