Recombinant DNA constructs employing site-specific recombination

    公开(公告)号:US10808257B2

    公开(公告)日:2020-10-20

    申请号:US15843823

    申请日:2017-12-15

    Abstract: Recombinant DNA constructs, for use in plants and plant cells, have site-specific recombination sites that allow assessing phenotypes and modes of action by over expression or suppression of endogenous genes. In an aspect, a single DNA construct can be switched between over expression and suppression by the action of a recombinase such as the Cre recombinase on constructs having lox recombination sites. Other useful recombination systems include the Flp/frt system, the R/Rs system, the Dre/rox system, and the GIN/gix system.

    MULTIPLE VIRUS RESISTANCE IN PLANTS
    8.
    发明申请

    公开(公告)号:US20190249189A1

    公开(公告)日:2019-08-15

    申请号:US16279798

    申请日:2019-02-19

    CPC classification number: C12N15/8283 C12N15/8218

    Abstract: The present invention provides gene targets, constructs and methods for the genetic control of plant disease caused by multiple plant viruses. The present invention relates to achieving a plant protective effect through the identification of target coding sequences and the use of recombinant DNA technologies for post-transcriptionally repressing or inhibiting expression of the target coding sequences of plant-parasitic viruses. Protein-expression based approaches may also be utilized to augment phenotype resistance. Thus, transcription of a single transgenic event comprising one or more plant expression cassettes can allow for broad spectrum resistance of a plant to multiple plant viral strains and species among the geminiviruses, tospoviruses, and potexviruses.

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