Heterosis and inheritance of fertility-restorer genes in rice
نویسندگان
چکیده
منابع مشابه
Evolutionary plasticity of restorer-of-fertility-like proteins in rice
Hybrid seed production in rice relies on cytoplasmic male sterility (CMS) induced by specific mitochondrial proteins, whose deleterious effects are suppressed by nuclear Restorer of Fertility (RF) genes. The majority of RF proteins belong to a specific clade of the RNA-binding pentatricopeptide repeat protein family. We have characterised 'restorer-of-fertility-like' (RFL) sequences from 13 Ory...
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15 صفحه اولInheritance of the fertility restoration and genotyping of rice lines at the restoring fertility (Rf) loci using molecular markers
The combination of cytoplasmic male sterility (CMS) in one parent and a restorer gene (Rf) to restore fertility in another are indispensable for the development of hybrid varieties. To genotype rice lines at the restoring fertility (Rf) loci, 38 lines were crossed with a sterile tester (rfrf) line. Pollen fertility test was performed to identify sterile and fertile F1 hybrids. Seven lines were ...
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Religious people nowadays have more children on average than their secular counterparts. This paper uses a simple model to explore the evolutionary implications of this difference. It assumes that fertility is determined entirely by culture, whereas subjective predisposition towards religion is influenced by genetic endowment. People who carry a certain 'religiosity' gene are more likely than a...
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ژورنال
عنوان ژورنال: ScienceAsia
سال: 2014
ISSN: 1513-1874
DOI: 10.2306/scienceasia1513-1874.2014.40.048