منابع مشابه
Evolutionary dynamics of grass genomes
The grass family (Poaceae) has been the subject of intense research over the past decade. Although other angiosperm families contain more species and more genera, the Poaceae exceed all other families in ecological dominance and economic importance. Research has focused on the evolutionary relationships among grasses as well as the structure of grass genomes. Here I examine the evolutionary dyn...
متن کاملEvolutionary Dynamics of Cryptophyte Plastid Genomes
Cryptophytes are an ecologically important group of largely photosynthetic unicellular eukaryotes. This lineage is of great interest to evolutionary biologists because their plastids are of red algal secondary endosymbiotic origin and the host cell retains four different genomes (host nuclear, mitochondrial, plastid, and red algal nucleomorph). Here, we report a comparative analysis of plastid ...
متن کاملUpdate on Genomes of the Grass Family Synergy of Two Reference Genomes for the Grass Family
If one considers the Gordon Conference in Plant Genetics in 1997 as the origin of the international effort to sequence the rice (Oryza sativa) genome and the publication of the data in 2005 as the completion of production and analysis, it took about 8 years and 14 major laboratories from nine countries (International Rice Genome Sequencing Project, 2005). In the case of sorghum (Sorghum bicolor...
متن کاملThe evolutionary dynamics of operon distributions in eukaryote genomes.
Genes in nematode and ascidian genomes frequently occur in operons--multiple genes sharing a common promoter to generate a polycistronic primary transcript--and such genes comprise 15-20% of the coding genome for Caenorhabditis elegans and Ciona intestinalis. Recent work in nematodes has demonstrated that the identity of genes within operons is highly conserved among species and that the unifyi...
متن کاملSingle-Base Resolution Map of Evolutionary Constraints and Annotation of Conserved Elements across Major Grass Genomes
Conserved noncoding sequences (CNSs) are evolutionarily conserved DNA sequences that do not encode proteins but may have potential regulatory roles in gene expression. CNS in crop genomes could be linked to many important agronomic traits and ecological adaptations. Compared with the relatively mature exon annotation protocols, efficient methods are lacking to predict the location of noncoding ...
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ژورنال
عنوان ژورنال: New Phytologist
سال: 2002
ISSN: 0028-646X,1469-8137
DOI: 10.1046/j.1469-8137.2002.00352.x