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locus at Biology News
The making and breaking of microtubules
...icrotubule growth. When GTP binds to a particular locus on beta tubulin (the E-site or exchangeable site) polymerization occurs: tubulin dimers pile onto the protofilaments, and the microtubule grows. But through hydrolysis (the word means "water splitting"), GTP readily changes to a different nucleotide,...Improved statistical tools reveal many linked loci
...on: Storey JD, Akey JM, Kruglyak L (2005) Multiple locus linkage analysis of genomewide expression in yeast. PLoS Biol 3(8): e267. ...A new molecule discovered in the battle between plants and disease
...ubmitted). The peptide is encoded by a gene at the locus At5g64900 and is derived from the carboxyl terminus of a 92 amino acid precursor, proAtPep1, a scenario commonly found in both animal and plant peptide precursors. No physiological role was known for AtPep1, and a function was sought in Arabidopsis b...Studies on human genome variation provide insight into disease
...erage. In some cases, a particular variant at one locus is perfectly associated with a specific variant at another locus; in other words, the two markers are "genetically indistinguishable." Dr. Lon Cardon and his colleagues describe in this month's issue of Genome Research how these "genetically indis......erage. In some cases, a particular variant at one locus is perfectly associated with a specific variant at another locus; in other words, the two markers are "genetically indistinguishable." Dr. Lon Cardon and his colleagues describe in this month's issue of Genome Research how these "genetically indis...locus at Biology Products
...illary sequencing instrumentation. The polymorphic locus can be confirmed by sequencing in both directions. The use of DNA sequencing also provides sequence context information, further confirming the location of the polymorphic site. Rapid turnaround Assay development is completed in a matter of minut...The INK4a-ARF locus encodes two unrelated proteins both of which funct...erminal region of mdm2. Deletion of the ARF-INK4a locus simultaneously impairs both the INK4a-cyclin D/cdk4-RB and the ARF-mdm2-p53 pathways. Epitope: N-ter...
locus at Biology Technology
Genotyping Single Nucleotide Polymorphisms with Molecular Beacons
...h 20 affected relatives, a diabetes susceptibility locus (IDDM17) maps to10q25.1. 4 IDDM 17 and its flanking markers are localized to a 120-kbregion within a completely sequenced bacterial artificial chromosome (BAC) basedon association studies of a number of SNPs. We genotyped a group of people inthe fam...Map and Link Human Genetic Disorders with SSLP Analysis
...e haplotypesallow the transmission of a particular locus through a family to be analyzed;furthermore, they determine whether that locus is linked to a particularphenotype, as well as aid in identifying recombinational events, which defi......troduced that alter the function of the gene locus of interest, for example by inactivating or modify...d that are specific either for the wild-type locus or for the mutant locus. In Figure 1, one primer is located on the wild-type locus. Two revers...Fully automated DNA purification and efficient multiplex PCR for analysis of microsatellite loci
...l DNA samples, irrespective of whether the locus was homozygous (both alleles generate a fragment of the same size) or heterozygous (fragments of different size are generated from each allele). Satisfactory results were obtained using the same number of PCR cycles and...Microfluidic analysis of multiplex PCR products for the genotyping of Helicobacter pylori
...ceof the cag pathogenicity island,which is a 40 kb locus containing31 genes associated with theinduction of interleukin 8 secretionby gastric epithelial cells3.The allelic variants of the iceAgene are distinguished into iceA1or iceA2 and only one of whichbeing found in all H. pylori strains.The iceA gene s...locus at Biology Definition
...ne to the centromere is referred to as the gene's locus or map location. A chromosomal region known to co...identified is referred to as a quantitative trait locus . The nucleus of a diploid cell contains two of each chromosome, with homologous (mostly identic......hesus Rh (or the D antigen) is inherited on one locus (on the short arm of the first chromosome, 1p36.2-p34) with two alleles, of which Rh+ is dominant and Rh- recessive. The gene codes for a polypeptide on the red cell membrane. Rh- individuals ( dd genotype) do not produce this antigen, and may be ......TAGTAG..." The number of repeats at a particular locus is hypervariable (highly polymorphic ) between individuals of the same species. It is for this reason that microsatellite sequences can be used for genetic fingerprinting and paternity testing . Most loci of the genome, even non-coding parts, w...The word locus (plural loci ) is Latin for "place". In biology and evolutionary computation , a locus is the position of a gene (or other significant sequence) on a chromosome . A locus can be occu...... or polyploid and have the same alleles at a locus (position) on homologous chromosomes .When an o...zygous dominant genotype occurs when a particular locus comprises two alleles for the dominant trait (e.g. AA ).A homozygous recessive genotype occurs ...
locus at Biology Dictionary
... or polyploid and have the same alleles at a locus (position) on homologous chromosomes . Full art... Homo zygote . With respect to a given genetic locus , a diploid individual carrying two identical alleles Hydrographic. Referring to the arrangement......e to a particular mutation ( wild-type at that locus or site , denoted by a plus sign). Cis ... Full article >>> In second instar wild-type wing discs, wg is express ed distal ly in a wedge of anterior ventral cells (Couso et al. 1993; Williams et al. 1993; Ng et al. 1996) Win......;> Variable-number tandem-repeat ( VNTR ) A locus including a tandemly repeated sequence may exhi...c variation in the alleles available for that locus . Full article >>> See also variable-number-of-tandem- repeats ( VNTR ) locus . Thi......hat can be mapped to one specific site within a locus . A small mutation that consists of the replacement ( transition or transversion ); addition; or deletion ( frameshift ) of one or a few bases . Full article >>> Since transition mutation s ( purine to purine or pyrimidi......s determined by a single allele at a particular locus . dormant Having reduced metabolic and respiratory activity. Full article >>> A group of trait s, such as size and number of offspring , length of maturation, age at first reproduction , and the number of times reproduction occurs...
locus at Medicine News
Researchers Identify Sipa 1 Gene, Responsible For Cancer Metastasis
...d the presence of a putative metastasis efficiency locus on mouse chromosome 19. This chromosome region, which is orthologous to human 11q12-13, harbors a known metastasis suppressor gene Brms1. However, this gene has no obvious polymorphisms that influence metastasis. Authors used a multiple cross mappi...Genes Affect Drinking Behavior Of Smokers
...re affected by two loci on chromosome four and one locus on chromosome two, which precede alcoholism. As many as 200 genes are involved in chromosome four, some of which play a role in alcohol metabolism. It is as yet not known as to which genes play a deciding role in this behavioral pattern. Based on thi...WHO Rules Out Human Transmission Of Bird Flu In 4 Cases
...t Asia in December 2003. Indonesia is currently a locus of the disease with 49 cases, second only to Vietnam with 93 cases. (Source:PTI News)...Rural Poor are Better off Than Slum Dwellers: UN Report
...w UN-HABITAT report released Saturday //. As the locus of poverty shifts from rural areas to urban centres, UN-HABITAT's "State of the World's Cities" report provides concrete data to reveal that the world's one billion slum dwellers are more likely to die earlier, experience more hunger and disease, att......targeting exclusively excitatory networks, a major locus of plasticity lies within the inhibitory networks. Our data show that inhibitory networks within the cortex are highly plastic, and that some pathological states arise through inappropriate activation of inhibitory plasticity.” Sourc: EurekAlert....locus at Medicine Products
...idy for chromosomes 3, 7, 17, and loss of the 9p21 locus via fluorescence in situ hybridization (FISH) in urine specimens from persons with hematuria suspected of having bladder cancer. Results from the UroVysion Kit are intended for use, in conjunction with and not in lieu of current standard diagnostic p...... kits provide high resolution typing of the entire locus with a single tray. Locus specific typing on a single tray reduces QC and testing costs while saving time. Straight from genomic DNA to high resolution results, no need for initial low resolution typing Allele level typing with a single tray Uniq...... kits provide high resolution typing of the entire locus with a single tray. Locus specific typing on a single tray reduces QC and testing costs while saving time. Straight from genomic DNA to high resolution results, no need for initial low resolution typing Allele level typing with a single tray Uniq...... kits provide high resolution typing of the entire locus with a single tray. Locus specific typing on a single tray reduces QC and testing costs while saving time. Straight from genomic DNA to high resolution results, no need for initial low resolution typing Allele level typing with a single tray Uniq...... kits provide high resolution typing of the entire locus with a single tray. Locus specific typing on a single tray reduces QC and testing costs while saving time. Straight from genomic DNA to high resolution results, no need for initial low resolution typing Allele level typing with a single tray Uniq...
locus at Medicine Technology
...re expressed by the HLA DR, -DQ and DP loci. Each locus is highly polymorphic; for example, there appear to be 300+ alleles in the HLA-B or DRB1 loci. A clear understanding of the differences between HLA polymorphisms has provided ample insight into why and how foreign tissue is rejected by the host, and......iationstudy of prostate cancer identifies a second locus at 8q24. NatureGenetics. Online April 1, 2007. -------------------------------------------------------------------------------- CONTACT: NCI Office of Media Relations 301-496-6641...
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(Date:10/10/2008)... The Healthcare Technology Ev... , Exton, PA (PRWEB) Sept...ey Chapters of the national Healthcare Information...forces to bring regional health information techno... conference entitled The Healthcare Technology Evo...
(Date:10/10/2008)...ston, MABoston Medical Center (BMC) has received a...l Institute on Aging (NIA) to fund the Boston Clau...BMC,s Pepper Center is one of only 11 Pepper Cente... Americans Independence Center Program was establi...enator from Florida. During his five decades of pu...
(Date:10/10/2008)...olecular CT adds metabolic information from PET to...gnostic imaging for maximized workflow ...ICH, Germany, Oct. 10 /PRNewswire/ -- Siemens Heal...duces molecular CT, a new concept in,integrated im...d is a,practical solution for today,s shrinking he...
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(Date:10/10/2008)...aped not only how we find or share information, bu...unded by the National Institutes of Health plans t...l. , The University of Michigan will lead the ef...ed to develop computer programs that more accurate...l be housed in a Web-based resource that the scien...
(Date:10/10/2008)... Jim Doyle today announced a historic collaboratio...advance personalized health care leading to health...consin Genomics Initiative is a collaborative rese...ollege of Wisconsin (MCW), University of Wisconsin... UW-Milwaukee (UWM). , Wisconsin is a leader in ...
(Date:10/10/2008)...ated nanowire sensors coupled with simple micropro...cific enough to be used for point-of-care (POC) di...tters . , The sensors use activation of immune c...cteria, viruses or cancer cells as the detector. ... generate a tiny current in the nanowire electroni...
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