Abstract:
:Genomic sequence data provide evidence for a common origin of life and for its evolution by genetic variation via mutation and recombination. This paper discusses the fundamental dialectic paradigm of evolution--stability versus variability--at the crossroads of molecular genetics, population genetics, ecology, and the emerging science of experimental evolution. Experimental evolution of molecules, viruses, and bacteria can be used not only to test some basic evolutionary hypotheses but also to create new organisms for applications in biotechnology, agriculture, and medicine.
journal_name
Ann N Y Acad Scijournal_title
Annals of the New York Academy of Sciencesauthors
Radman M,Matic I,Taddei Fdoi
10.1111/j.1749-6632.1999.tb08874.xsubject
Has Abstractpub_date
1999-05-18 00:00:00pages
146-55eissn
0077-8923issn
1749-6632journal_volume
870pub_type
杂志文章,评审abstract::Hemoglobin (Hb) concentration is the outcome of the interaction between genetic variation and environmental factors, including nutritional status, sex, age, and altitude. Genetic diversity influencing this protein is complex and varies widely across populations. Variants related to abnormal Hb or altered characteristi...
journal_title:Annals of the New York Academy of Sciences
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abstract::Accumulating evidence indicates that regulatory T cells play a crucial role in preventing autoimmunity. To examine the processes by which regulatory CD4(+) T cells are produced during immune repertoire formation, we have developed transgenic mice that express the influenza virus hemagglutinin (HA) and coexpress major ...
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abstract::Adults with better jobs enjoy better health: job title was, in fact, the social gradient metric first used to study the relationship between social class and chronic disease etiology, a core finding now replicated in most developed countries. What has been less well proved is whether this correlation is causal, and if...
journal_title:Annals of the New York Academy of Sciences
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abstract::There is a growing interest in the effectiveness of mindfulness meditation for sleep disturbed populations. Our study sought to evaluate the effect of mindfulness meditation interventions on sleep quality. To assess for relative efficacy, comparator groups were restricted to specific active controls (such as evidenced...
journal_title:Annals of the New York Academy of Sciences
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abstract::The slowpoke gene of Drosophila melanogaster encodes a Ca-activated K channel. This gene is expressed in neurons, muscles, tracheal cells, and the copper and iron cells of the midgut. The gene produces a large number of alternative products using tissue-specific transcriptional promoters and alternative mRNA splicing....
journal_title:Annals of the New York Academy of Sciences
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更新日期:1998-11-16 00:00:00
abstract::The emission factors for indoor straw combustion are a major data gap for estimating the polycyclic aromatic hydrocarbon (PAH) emissions in China. The emission factors for open-fire straw burning were borrowed from our previous study and a rough estimate was developed. As one of the most important emission sources in ...
journal_title:Annals of the New York Academy of Sciences
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abstract::A linear stability analysis is presented for variable-viscosity miscible fluids in an unstable configuration; that is, a heavier fluid placed above a lighter one in a vertically oriented capillary tube. The initial interface thickness is treated as a parameter to the problem. The analysis is based on the three-dimensi...
journal_title:Annals of the New York Academy of Sciences
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abstract::The current trend in antipoverty policy emphasizes mandated empowerment: the poor are being handed the responsibility for making things better for themselves, largely without being asked whether this is what they want. Beneficiary control is now being built into public service delivery, while microcredit and small bus...
journal_title:Annals of the New York Academy of Sciences
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更新日期:2008-01-01 00:00:00
abstract::Developing limb or differentiating neural and blood cells are traditional models used to study programmed cell death in mammals. The developing mouse dentition can also be an attractive model for studying apoptosis regulation. Apoptosis is most extant during early odontogenesis in mice. The embryonic tooth pattern is ...
journal_title:Annals of the New York Academy of Sciences
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abstract::Homozygous beta thalassemia affects thousands of people around the world. Current management of this condition includes regular transfusion of red cells, which leads to transfusional iron overload requiring chelation therapy: increasing hemoglobin levels while decreasing or eliminating iron overload is therefore a maj...
journal_title:Annals of the New York Academy of Sciences
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更新日期:1998-06-30 00:00:00
abstract::Indirect evidence suggests that dopamine within the brain may participate in the regulation of immune responses in both man and rodents. The aim of the present study was to investigate the possible role played by the specific dopamine D1 receptor subtype within the central amygdala in the modulation of immunity. Mitog...
journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章
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更新日期:1994-11-25 00:00:00
abstract::Apoptosis in T and B lymphocytes is a major element controlling the immune response. Activation induced cell death (AICD) in T cells is a main mechanism for maintaining peripheral tolerance and for limiting an ongoing immune response. AICD is initiated by antigen reengagement of the T cell receptor (TCR), and mediated...
journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章
doi:10.1111/j.1749-6632.2000.tb06951.x
更新日期:2000-01-01 00:00:00
abstract::Pelizaeus-Merzbacher disease (PMD) is a dysmyelinating disorder of the central nervous system typically caused by duplications or missense mutations of the proteolipid protein (PLP) gene. Most investigators have found that peripheral nerve function and structure is normal in PMD patients. We have found that null mutat...
journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章
doi:
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abstract::While the ventral pallidum (VP) is known to be important in relaying information between the nucleus accumbens and target structures, it has become clear that substantial information processing occurs within the VP. We evaluated the possibility that opioid modulation of other transmitters contained in VP afferents is ...
journal_title:Annals of the New York Academy of Sciences
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更新日期:1999-06-29 00:00:00
abstract::Higher levels of body fat are associated with increased risk for development of numerous adverse health conditions. Phytochemicals are potential agents to inhibit differentiation of preadipocytes, stimulate lipolysis, and induce apoptosis of existing adipocytes, thereby reducing adipose tissue mass. Resveratrol decrea...
journal_title:Annals of the New York Academy of Sciences
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abstract::Neuromodulation denotes controlled electrical stimulation of the central or peripheral nervous system. The three forms of neuromodulation described in this paper-deep brain stimulation, vagus nerve stimulation, and transcranial magnetic stimulation-were chosen primarily for their demonstrated or potential clinical use...
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abstract::Processes that regulate quiescence, self-renewal, and differentiation of hematopoietic stem cells (HSCs) are not well understood. Owing, in part, to the ability of xenobiotic ligands to have persistent effects on the immune system in experimental animals, there has been much work to define a physiological role of the ...
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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abstract::We report a case of latent autoimmune diabetes in adults (LADA), also known as slowly progressive type 1 diabetes (SPT1D), followed up for changes, including reactivity to the GAD65 antibody epitope for the 9-year period from impaired glucose tolerance (IGT) to the insulin-dependent stage (IDDM). This 69-year-old male...
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abstract::The results of this study indicate that the presence of plants did enhance TNT and TNB removal from IAAP groundwater. Most effective at 25 degrees C were reed canary grass, coontail and pondweed. Groundwater and plant tissue analyses indicate that in presence of the plants tested TNT is degraded to reduced by-products...
journal_title:Annals of the New York Academy of Sciences
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更新日期:1997-11-21 00:00:00
abstract::Aging may pose a challenge to the central nervous system, increasing its susceptibility to apoptotic events. Recent findings indicate that caloric restriction (CR) may have a profound effect on brain function and vulnerability to injury and diseases, by enhancing neuroprotection, stimulating the production of new neur...
journal_title:Annals of the New York Academy of Sciences
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更新日期:2004-06-01 00:00:00
abstract::Continuous dopamine (DA) stimulation is a therapeutic approach that applies to the treatment of motor fluctuations due to pulsatile DA stimulation in Parkinson's disease (PD), to cure the abuse of drugs, such as cocaine or amphetamine (which produce short-lasting peaks of extracellular DA), and as a safe therapeutic a...
journal_title:Annals of the New York Academy of Sciences
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abstract::There is growing literature on the subject of aneurysmal degeneration of arteries in patients who are infected with HIV. A patient recently seen at our medical center with an aneurysm of the carotid artery stimulated our interest in reviewing the mechanisms by which HIV may initiate or predispose to these pathologies....
journal_title:Annals of the New York Academy of Sciences
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abstract::Recent studies have reported an association between exposure to childhood abuse or neglect and alterations in brain structure or function. One limitation of these studies is that they are correlational and do not provide evidence of a cause-effect relationship. Preclinical studies on the effects of exposure to early l...
journal_title:Annals of the New York Academy of Sciences
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abstract::Thalassemia influences individual and family psychosocial functioning. Parental reaction to diagnosis affects the parent-child relationship, parents' roles, and family resources for coping. A child frequently translates parental reactions into personal attitudes of dependency and lowered self-esteem. In coping with on...
journal_title:Annals of the New York Academy of Sciences
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abstract::Liver cirrhosis is a condition in which overnutrition, edema, and undernutrition can coexist simultaneously, or successively, over a period of time, giving rise to alterations in body composition, as well as systemic and multiorgan manifestations. We undertook a cross-sectional study of body composition in 198 adult p...
journal_title:Annals of the New York Academy of Sciences
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更新日期:2000-05-01 00:00:00
abstract::A recent study showed a significant association between schizophrenia in European samples and the glutamate cysteine ligase modifier (GCLM) subunit gene, which is the key glutathione (GSH)-synthesizing enzyme. Since the symptoms of methamphetamine (METH)-induced psychosis are similar to those of schizophrenia, the GCL...
journal_title:Annals of the New York Academy of Sciences
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abstract::The aim of the study was to determine the IgG antibody response to spotted fever group Rickettsia (SFGR) R. conorii and R. slovaca, and its specificity and sensitivity in patients with DEBONEL/TIBOLA. A prospective study of 31 patients with DEBONEL was carried out from January 2001 to May 2004. The SFGR serology testi...
journal_title:Annals of the New York Academy of Sciences
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更新日期:2006-10-01 00:00:00