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    • 8. 发明公开
    • COMPOSITIONS AND METHODS TO CONTROL INSECT PESTS
    • 控制昆虫害虫的组合物和方法
    • EP3098317A1
    • 2016-11-30
    • EP16177805.5
    • 2010-08-26
    • E. I. du Pont de Nemours and Company
    • BROGLIE, Karen, E.KRISS, KevinLU, Albert, LaurenceMUTHALAGI, ManiPRESNAIL, James, K.
    • C12N15/82A01H5/00
    • A01N57/16A01N63/00A01N65/20A01N65/44C12N15/113C12N15/8218C12N15/8286C12N2310/11C12N2310/531Y02A40/162
    • Methods and compositions are provided which employ a silencing element that, when ingested by a pest, such as a Coleopteran plant pest or a Diabrotica plant pest decrease the expression of a target sequence in the pest. In specific embodiments, the decrease in expression of the target sequence controls the pest and thereby the methods and compositions are capable of limiting damage to a plant. The present invention provides various target polynucleotides set forth in anyone of SEQ ID NOS: 1-236 or active variants and fragments thereof, wherein a decrease in expression of one or more the sequences in the target pest controls the pest (i.e., has insecticidal activity). Further provided are silencing elements which when ingested by the pest decrease the level of the target polypeptide and thereby control the pest. In specific embodiment, the pest is D. virgifera virgifera, D. barber i, D. speciosa, or D. undecimpimctata howardi, Plants, plant part, bacteria and other host cells comprising the silencing elements or an active variant or fragment thereof of the invention are also provided.
    • 提供了使用沉默元件的方法和组合物,所述沉默元件当被有害生物例如鞘翅目植物害虫或Diabrotica植物害虫摄入时减少害虫中靶序列的表达。 在具体的实施方案中,靶序列表达的降低控制害虫,并且由此该方法和组合物能够限制对植物的损害。 本发明提供了在SEQ ID NO:1-236中任何一个所列的各种靶多核苷酸或其活性变体和片段,其中目标害虫中一个或多个序列的表达降低控制害虫(即具有杀虫活性 )。 进一步提供了沉默元件,其在被害虫摄入时降低靶多肽的水平并由此控制害虫。 在具体的实施方案中,害虫是D.virgifera virgifera,D. barber i,D. speciosa或D. undecimpimctata howardi,植物,植物部分,细菌和其他宿主细胞,其包含所述沉默元件或其活性变体或片段 还提供了发明。