Article
The extreme dwarf phenotype of the GA-sensitive mutant of sunflower, dwarf2, is generated by a deletion in the ent-kaurenoic acid oxidase1 (HaKAO1) gene sequence.
Plant molecular biology - 1 Mar 2011
Fambrini Marco, Mariotti Lorenzo, Parlanti Sandro, Picciarelli Piero, Salvini Mariangela, Ceccarelli Nello, Pugliesi Claudio
Abstract excerpt
A dwarf mutant, dw arf 2 (dw2), was isolated from sunflower (Helianthus annuus). The most obvious alterations of dw2 plants were the lack of stem growth, reduced size of leaves, petioles and flower organs, retarded flower development. Pollen and ovules were produced but the filaments failed to extrude the anthers from the corolla. The dw2 phenotype was mainly because of reduced cell size. In dw2 leaves, the...
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