Comparative Genomics of the Eukaryotes
نویسندگان
چکیده
منابع مشابه
Comparative genomics of the eukaryotes.
A comparative analysis of the genomes of Drosophila melanogaster, Caenorhabditis elegans, and Saccharomyces cerevisiae-and the proteins they are predicted to encode-was undertaken in the context of cellular, developmental, and evolutionary processes. The nonredundant protein sets of flies and worms are similar in size and are only twice that of yeast, but different gene families are expanded in...
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was coined in 1920 (see Chapter 1), the general concept goes back at least as far as the 4th century BCE, when Aristotle implicated blood as the heredity substance. The blood of the mother, it was thought, supplied matter to the developing fetus whereas the semen (a purified form of blood) of the father conveyed form (Aristotle, 1953). Ironically, although the notions of “blood relations” and c...
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We could reconstruct the evolution of eukaryote-specific molecular and cellular machinery if some living eukaryotes retained primitive cellular structures and we knew which eukaryotes these were. It's not clear that either is the case, but the expanding protist genomic database could help us in several ways.
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During eukaryotic cell division, the sister chromatids of duplicated chromosomes are pulled apart by microtubules, which connect via kinetochores. The kinetochore is a multiprotein structure that links centromeres to microtubules, and that emits molecular signals in order to safeguard the equal distribution of duplicated chromosomes over daughter cells. Although microtubule-mediated chromosome ...
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The diversity, origin, and evolution of chromoviruses in Eukaryota were examined using the massive amount of genome sequence data for different eukaryotic lineages. A surprisingly large number of novel full-length chromoviral elements were found, greatly exceeding the number of the known chromoviruses. These new elements are mostly structurally intact and highly conserved. Chromoviruses in the ...
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ژورنال
عنوان ژورنال: Science
سال: 2000
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.287.5461.2204