Comment on "Grasping Primate Origins"
نویسندگان
چکیده
منابع مشابه
Grasping primate origins.
The evolutionary history that led to Eocene-and-later primates of modern aspect (Euprimates) has been uncertain. We describe a skeleton of Paleocene plesiadapiform Carpolestes simpsoni that includes most of the skull and many postcranial bones. Phylogenetic analyses indicate that Carpolestidae are closely related to Euprimates. C. simpsoni had long fingers and an opposable hallux with a nail. I...
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Chromosome segregation in the bacterium Caulobacter crescentus involves propulsion of the replication origin and its capture at one pole of the cell. Bowman et al. (2008) and Ebersbach et al. (2008) now report the discovery of a protein called PopZ that mediates this chromosome capture.
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Duplicated sequences are substrates for the emergence of new genes and are an important source of genetic instability associated with rare and common disease. Analyses of primate genomes have shown an increase in the proportion of interspersed segmental duplications within the genomes of humans and great apes. This is in contrast to other mammalian genomes that appear to have their recently dup...
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www.sciencemag.org (this information is current as of May 30, 2007 ): The following resources related to this article are available online at http://www.sciencemag.org/cgi/content/full/301/5639/1482b version of this article at: including high-resolution figures, can be found in the online Updated information and services, found at: can be related to this article A list of selected additional ar...
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ژورنال
عنوان ژورنال: Science
سال: 2003
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.1081587