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Expression and parent-of-origin effects for FIS2, MEA, and FIE in the endosperm and embryo of developing Arabidopsis seeds.
The promoters of MEA (FIS1), FIS2, and FIE (FIS3), genes that repress seed development in the absence of pollination, were fused to beta-glucuronidase (GUS) to study their activity pattern. TheExpand
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Fertilization-independent seed development in Arabidopsis thaliana.
We report mutants in Arabidopsis thaliana (fertilization-independent seed:fis) in which certain processes of seed development are uncoupled from the double fertilization event that occurs afterExpand
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Genes controlling fertilization-independent seed development in Arabidopsis thaliana.
We have cloned two genes, FIS1 and FIS2, that control both fertilization independent seed development and postpollination embryo development in Arabidopsis. These genes confer female gametophyticExpand
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amp1 ‐ a mutant with high cytokinin levels and altered embryonic pattern, faster vegetative growth, constitutive photomorphogenesis and precocious flowering
amp1, a mutant of Arabidopsis thaliana has a phenotype altered in three different aspects of plant development; spatial pattern, photomorphogenetic growth, and initiation of flowering. While fewerExpand
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recD: the gene for an essential third subunit of exonuclease V.
Exonuclease V (EC 3.1.11.5) of Escherichia coli, an enzyme with multiple activities promoting genetic recombination, has previously been shown to contain two polypeptides, the products of the recBExpand
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Polycomb group genes control pattern formation in plant seed
Transcriptional activators of the Trithorax group (TRX-G) and repressors of the Polycomb group (Pc-G) are involved in multiple aspects of embryogenesis in Drosophila and the mouse [1, 2] and appearExpand
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OsTDL1A binds to the LRR domain of rice receptor kinase MSP1, and is required to limit sporocyte numbers
Hybrids lose heterotic yield advantage when multiplied sexually via meiosis. A potential alternative breeding system for hybrids is apospory, where female gametes develop without meiosis. CommonExpand
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Apomixis: Molecular Strategies for the Generation of Genetically Identical Seeds without Fertilization
Sexual reproduction in flowering plants (angiosperms) generates genetically diverse progeny because of the recombination and independent assortment of genes derived from both parents. For commercialExpand
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Genetic control of male fertility in Arabidopsis thaliana: structural analysis of premeiotic developmental mutants
We have taken a mutational approach to identify genes important for male fertility in Arabidopsis thaliana and have isolated a number of nuclear male/ sterile mutants in which vegetative growth andExpand
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Control of early seed development.
Seed development requires coordinated expression of embryo and endosperm and has contributions from both sporophytic and male and female gametophytic genes. Genetic and molecular analyses in recentExpand
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