QTL editing confers opposing yield performance in different rice varieties

Publisher： John Wiley & Sons Inc

E-ISSN： 1744-7909|60|2|89-93

ISSN： 1672-9072

Source： JOURNAL OF INTEGRATIVE PLANT BIOLOGY (ELECTRONIC), Vol.60, Iss.2, 2018-02, pp. : 89-93

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Abstract

Summary

Grain yield is one of the most important and complex trait for genetic improvement in crops; it is known to be controlled by a number of genes known as quantitative trait loci (QTLs). In the past decade, many yield‐contributing QTLs have been identified in crops. However, it remains unclear whether those QTLs confer the same yield performance in different genetic backgrounds. Here, we performed CRISPR/Cas9‐mediated QTL editing in five widely‐cultivated rice varieties and revealed that the same QTL can have diverse, even opposing, effects on grain yield in different genetic backgrounds.

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