Exact(6)
Development is generally regarded as a unidirectional process that results in the acquisition of specialized cell fates.
More to the point, the periodic sampling of fossils over millions of years is sufficient to provide documentation of the sequential acquisition of specialized features in all of the major dinosaur lineages.
From the comparison of Cupriavidus genomes, it is possible to state that a broad metabolic capability is a general trait for Cupriavidus genus, however certain specialization towards a nutritional niche (xenobiotics degradation, chemolithoautotrophy or symbiotic nitrogen fixation) seems to be shaped mostly by the acquisition of "specialized" plasmids.
Cellular differentiation is characterized by the acquisition of specialized structures and functions, cell cycle exit, and global attenuation of the DNA damage response.
The appearance of these two variants in this group of organisms was attributed to the chordate genome duplication that predated the Cambrian explosion (more than 530 million years ago (mya)) and led to their subfunctionalization (acquisition of specialized functions) [ 4].
The peculiar selective regime that the X is under may further lead to the acquisition of specialized gene content: because X chromosomes are transmitted through females two-thirds of the time, they will accumulate an excess of dominant mutations that are beneficial to females (Rice 1984), potentially leading to the accumulation of genes with female functions on this chromosome.
Similar(54)
However, a fraction of duplicates might be retained when 1) gene duplication endows organisms with mutational robustness as a result of functional redundancy (Gu et al. 2003), 2) selection for increased gene dosage occurs (Conant and Wolfe 2008), or 3) accompanying acquisition of novel or specialized functions.
He talks proudly of the June acquisition of Archaia Entertainment, which specializes in glossy hardcovers and publishes "Mouse Guard," about a medieval world populated by mice.
The Omnicom Group in New York is making its first acquisition of an agency specializing in search engine marketing, in a deal that underscores the growing role being played by online advertising.
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peHUB yesterday caught wind of Microsoft's supposed acquisition of Interactive Supercomputing, a company specialized in bringing the power of parallel computing to desktops, but was declined an official comment to the news following a request for confirmation.
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