A spontaneously occurring rice (Oryza sativa L.) mutant, characterized by homeotic conversionin glumes and stamens, was found in the progeny of a cross. The mutant showed long glumes andglumaceous lodicules and morpho...A spontaneously occurring rice (Oryza sativa L.) mutant, characterized by homeotic conversionin glumes and stamens, was found in the progeny of a cross. The mutant showed long glumes andglumaceous lodicules and morphological transformation of stamens into pistils. Mutant floretsconsisted of 1 to 3 completely developed pistils, some pistilloid stamens with filaments, buttipped by bulged tissue and 0 to 3 stigmas. It seems that the mutant phenotype of the homeoticconversions in glumes and stamens is similar to that of the B loss-of-function mutants inArabidopsis and Antirrhinum. The mutant is controlled by a single recessive gene as asegregation ratio of 3:1 (wild type to mutant plants) was observed in the F2 generation.展开更多
文摘A spontaneously occurring rice (Oryza sativa L.) mutant, characterized by homeotic conversionin glumes and stamens, was found in the progeny of a cross. The mutant showed long glumes andglumaceous lodicules and morphological transformation of stamens into pistils. Mutant floretsconsisted of 1 to 3 completely developed pistils, some pistilloid stamens with filaments, buttipped by bulged tissue and 0 to 3 stigmas. It seems that the mutant phenotype of the homeoticconversions in glumes and stamens is similar to that of the B loss-of-function mutants inArabidopsis and Antirrhinum. The mutant is controlled by a single recessive gene as asegregation ratio of 3:1 (wild type to mutant plants) was observed in the F2 generation.
