Abstract:
:Molecular genetics teaches three lessons relevant to the nature of genetic change during evolution: (1) Genomes are organized as hierarchies of composite systems (multidomain protein-coding sequences; functional loci made up of regulatory, coding, processing, and intervening sequences; and multilocus regulons and replicons) interconnected and organized into specific "system architectures" by repetitive DNA elements. (2) Genetic change often occurs via natural genetic engineering systems (cellular biochemical functions, such as recombination complexes, topoisomerases, and mobile elements, capable of altering DNA sequence information and joining together different genomic components). (3) The activity of natural genetic systems is regulated by cellular control circuits with respect to the timing, activity levels, and specificities of DNA rearrangements (e.g., adaptive mutation, Ty element mobility, and P factor insertions). These three lessons provide plausible molecular explanations for the episodic, multiple, nonrandom DNA rearrangements needed to account for the evolution of novel genomic system architectures and complex multilocus adaptations. This molecular genetic perspective places evolutionary change in the biologically responsive context of cellular biochemistry.
journal_name
Ann N Y Acad Scijournal_title
Annals of the New York Academy of Sciencesauthors
Shapiro JAdoi
10.1111/j.1749-6632.1999.tb08862.xsubject
Has Abstractpub_date
1999-05-18 00:00:00pages
23-35eissn
0077-8923issn
1749-6632journal_volume
870pub_type
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章,多中心研究
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更新日期:2009-10-01 00:00:00
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章,评审
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abstract::Methamphetamine (METH) is one of the major drugs of abuse that is postulated to cause neurotoxicity by depleting dopamine (DA) and its metabolites, high-affinity DA uptake sites, and the activity of tyrosine hydroxylase. The present study was undertaken to investigate whether the relatively selective, neuronal nitric ...
journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章
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journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章
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abstract::The W-curve is a numerical mapping algorithm that provides tertiary information content of long and short genomic sequences. The most popular genomic pattern recognition algorithms depend on string matching of the primary information content of short genomic sequences. Herein, we describe a way to define the fuzzy pro...
journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章
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更新日期:2002-12-01 00:00:00
abstract::Insulin-dependent diabetes mellitus (IDDM) is a multifactorial disease. Besides a genetic predisposition environmental factors have been implicated in the pathogenesis of beta cell destruction. Among these environmental factors viruses have been the focus of many studies. Some viruses are diabetogenic in animals, and ...
journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章,评审
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