Poaceae sp.
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA1175551 | ENA |
REPOSITORIES: ENA
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Project description:The Poaceae family, also known as the grasses, includes agronomically important cereal crops such as rice, maize, sorghum, and wheat. Previous comparative studies have shown that much of the gene content is shared among the grasses; however, functional conservation of orthologous genes has yet to be explored. To gain an understanding of the genome-wide patterns of evolution of gene expression across reproductive tissues, we employed a sequence-based approach to compare analogous transcriptomes in species representing three Poaceae subgroups including the Pooideae (Brachypodium distachyon), the Panicoideae (sorghum), and the Ehrhartoideae (rice). Our transcriptome analyses reveal that only a fraction of orthologous genes exhibit conserved expression patterns. A high proportion of conserved orthologs include genes that are upregulated in physiologically similar tissues such as leaves, anther, pistil, and embryo, while orthologs that are highly expressed in seeds show the most diverged expression patterns. This experiment is related to E-MTAB-4400 (http://www.ebi.ac.uk/arrayexpress/experiments/E-MTAB-4400/) and E-MTAB-4402 (http://www.ebi.ac.uk/arrayexpress/experiments/E-MTAB-4402/)
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