An Arabidopsis RNA lariat debranching enzyme is essential for embryogenesis.

Abstract excerpt

An embryo-defective mutant of Arabidopsis thaliana was isolated that arrests development at a variety of stages, from as early as the globular stage of embryogenesis to as late as formation of an abnormal bent cotyledon stage embryo. Defects in the suspensor, a normally transient structure derived from the fertilized egg, were often associated with the arrested embryo. The lesion was within a gene encoding a...

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