PIONEER HI-BRED INTERNATIONAL, INC. ;UNIVERSITAET OF ZUERICH ;E.I. du PONT de NEMOURS AND COMPANY
发明人:
Fox Tim W.,Albertsen Marc C.,Williams Mark E.,Lawit Shai J,Chamberlin Mark A.,Grossniklaus Ueli,Brunner Gion Arco,Chumak Nina,De Asis Joana Bernardes,Pasquer Frederique
申请号:
US201615571510
公开号:
US2018142251(A1)
申请日:
2016.05.06
申请国别(地区):
美国
年份:
2018
代理人:
摘要:
Methods and compositions used to prevent or decrease reduction, or reduction and recombination, during meiosis in female sporocyte, female gametophytes, or female gametes are described herein. The compositions and methods may include silencing elements and/or use gene-editing technology to decrease or inhibit Nrf4 expression levels or activity. Further provided are compositions and methods for the production of a plant that has ovules comprising non-reduced, or non-reduced and non-recombined, gametes, and/or seeds that contain clonal maternal embryos.