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Plant Breeding and Genetics

Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research

Comparative genomics

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Comparative Evolutionary Analysis Of Organellar Genomic Diversity In Green Plants, Weishu Fan Jul 2016

Comparative Evolutionary Analysis Of Organellar Genomic Diversity In Green Plants, Weishu Fan

Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research

The mitochondrial genome (mitogenome) and plastid genome (plastome) of plants vary immensely in genome size and gene content. They have also developed several eccentric features, such as the preference for horizontal gene transfer of mitochondrial genes, the reduction of the plastome in non-photosynthetic plants, and variable amounts of RNA editing affecting both genomes. Different organismal lifestyles can partially account for the highly diverse organellar genomes across the tree of green plants. For example, endosymbiotic and parasitic lifestyles can dramatically affect the genomic architectures of plant mitochondria and plastids. In this study, the organellar genomes of several green plants with atypical …