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Articles 31 - 35 of 35
Full-Text Articles in Entire DC Network
Genic Regions Of A Large Salamander Genome Contain Long Introns And Novel Genes, Jeramiah J. Smith, Srikrishna Putta, Wei Zhu, Gerald M. Pao, Inder M. Verma, Tony Hunter, Susan V. Bryant, David M. Gardiner, Timothy T. Harkins, S. Randal Voss
Genic Regions Of A Large Salamander Genome Contain Long Introns And Novel Genes, Jeramiah J. Smith, Srikrishna Putta, Wei Zhu, Gerald M. Pao, Inder M. Verma, Tony Hunter, Susan V. Bryant, David M. Gardiner, Timothy T. Harkins, S. Randal Voss
Biology Faculty Publications
BACKGROUND: The basis of genome size variation remains an outstanding question because DNA sequence data are lacking for organisms with large genomes. Sixteen BAC clones from the Mexican axolotl (Ambystoma mexicanum: c-value = 32 x 10(9) bp) were isolated and sequenced to characterize the structure of genic regions.
RESULTS: Annotation of genes within BACs showed that axolotl introns are on average 10x longer than orthologous vertebrate introns and they are predicted to contain more functional elements, including miRNAs and snoRNAs. Loci were discovered within BACs for two novel EST transcripts that are differentially expressed during spinal cord regeneration and skin …
The Sleeping Brain's Influence On Verbal Memory: Boosting Resistance To Interference, Jeffrey M. Ellenbogen, Justin C. Hulbert, Ying Jiang, Robert Stickgold
The Sleeping Brain's Influence On Verbal Memory: Boosting Resistance To Interference, Jeffrey M. Ellenbogen, Justin C. Hulbert, Ying Jiang, Robert Stickgold
Dartmouth Scholarship
Memories evolve. After learning something new, the brain initiates a complex set of post-learning processing that facilitates recall (i.e., consolidation). Evidence points to sleep as one of the determinants of that change. But whenever a behavioral study of episodic memory shows a benefit of sleep, critics assert that sleep only leads to a temporary shelter from the damaging effects of interference that would otherwise accrue during wakefulness. To evaluate the potentially active role of sleep for verbal memory, we compared memory recall after sleep, with and without interference before testing. We demonstrated that recall performance for verbal memory was greater …
Aging And Endothelial Progenitor Cell Telomere Length In Healthy Men, Erich J Kushner, Gary Van Guilder, Owen J Maceneaney, Jennifer N Cech, Brian L Stauffer, Christopher A Desouza
Aging And Endothelial Progenitor Cell Telomere Length In Healthy Men, Erich J Kushner, Gary Van Guilder, Owen J Maceneaney, Jennifer N Cech, Brian L Stauffer, Christopher A Desouza
Health and Nutritional Sciences Faculty Publications
BACKGROUND: Telomere length declines with age in mature endothelial cells and is thought to contribute to endothelial dysfunction and atherogenesis. Bone marrow-derived circulating endothelial progenitor cells (EPCs) are critical to vascular health as they contribute to both reendothelialization and neovascularization. We tested the hypothesis that EPC telomere length decreases with age in healthy adult humans.
METHODS: Peripheral blood samples were collected from 40 healthy, non-obese, sedentary men: 12 young (age 21-34 years), 12 middle-aged (43-55 years) and 16 older (57-68 years). Putative EPCs were isolated from peripheral blood mononuclear cells and telomere length was determined using genomic DNA preparation and …
Sandy Creek Gorge; Humans, Palaeofloods And Landscape Evolution, John D. Jansen, Derek Fabel
Sandy Creek Gorge; Humans, Palaeofloods And Landscape Evolution, John D. Jansen, Derek Fabel
Faculty of Science - Papers (Archive)
No abstract provided.
Reduced Neutrophil Count In People Of African Descent Is Due To A Regulatory Variant In The Duffy Antigen Receptor For Chemokines Gene, David Reich, Michael A. Nalls, W H Linda Kao, Ermeg L. Akylbekova, Arti Tandon, Nick Patterson, James Mullikin, Wen-Chi Hsueh, Ching-Yu Cheng, Josef Coresh, Eric Boerwinkle, Man Li, Alicja Waliszewska, Julie Neubauer, Rongling Li, Tennille S. Leak, Lynette Ekunwe, Joe C. Files, Cheryl L. Hardy, Joseph M. Zmuda, Herman A. Taylor, Elad Ziv, Tamara B. Harris, James G. Wilson
Reduced Neutrophil Count In People Of African Descent Is Due To A Regulatory Variant In The Duffy Antigen Receptor For Chemokines Gene, David Reich, Michael A. Nalls, W H Linda Kao, Ermeg L. Akylbekova, Arti Tandon, Nick Patterson, James Mullikin, Wen-Chi Hsueh, Ching-Yu Cheng, Josef Coresh, Eric Boerwinkle, Man Li, Alicja Waliszewska, Julie Neubauer, Rongling Li, Tennille S. Leak, Lynette Ekunwe, Joe C. Files, Cheryl L. Hardy, Joseph M. Zmuda, Herman A. Taylor, Elad Ziv, Tamara B. Harris, James G. Wilson
Student and Faculty Publications
Persistently low white blood cell count (WBC) and neutrophil count is a well-described phenomenon in persons of African ancestry, whose etiology remains unknown. We recently used admixture mapping to identify an approximately 1-megabase region on chromosome 1, where ancestry status (African or European) almost entirely accounted for the difference in WBC between African Americans and European Americans. to identify the specific genetic change responsible for this association, we analyzed genotype and phenotype data from 6,005 African Americans from the Jackson Heart Study (JHS), the Health, Aging and Body Composition (Health ABC) Study, and the Atherosclerosis Risk in Communities (ARIC) Study. …