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Search for nuclear genes encoding plastid proteins in 8 higher plants (monocot Oryza sativa, Sorghum bicolor and Zea mays, dicot Arabidopsis thaliana, Medicago truncatula, Populus trichocarpa, Glycine max and Vitis vinifera), as well as a comparative analisis of plastid-related nuclear genes of Arabidopsis and rice for the promoter type (TATA or TATA-less) have been performed. It was found that nuclear genomes of these organisms contain more than 3000 genes encoding protein (polypeptide) predicted to have the plastid destination. The significant difference between these species in total number of the plastid-related nuclear genes is observed. With 60% or higher similarity level of the full-length polypeptide sequences, various types of similar gene groups have been predicted. In 4642 groups, every monocot plant is represented, at least, by one gene. In dicots, 2042 such groups have been revealed in dicots. Putative TATA and/or TATAless promoters for 1159 and 1491 chloroplast-targeted nuclear genes involved in 29 metabolic pathways or functional complexes of A.thaliana and O.sativa, respectively, have been identified. Comparison of the relative shares of TATA and TATA-less promoters in the genes of Arabidopsis (41%/59%) and rice (26%/74%) revealed that TATA-less promoters prevail on TATA promoters (mostly, in rice).
Higher plant, plastid, nucleus, genome, gene, protein, promoter, computational analysis
Higher plant, plastid, nucleus, genome, gene, protein, promoter, computational analysis
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