gene mapping

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ge·net·ic map

an abstract representation of the ordered array of genetic loci such that the interval between entries has algebraic signs and magnitude proportional to the expected number of crossings over between them and distances are algebraically additive; for example, on a genetic map the combined distance between locus A and locus C is the algebraic sum of the two distances between loci A and B, and B and C.

gene mapping

Determining the location of hereditary information carried on chromosomes. In humans, this requires determining the base pairs (chemical code) of each of the estimated 20,000 to 25,000 genes. Once a gene is mapped, that information may be used to compare abnormal genes with normal ones. Molecular biological techniques may then be used to search for methods of treating and preventing conditions resulting from genetic abnormality.
Synonym: genome mapping; linkage map See: gene splicing
See also: mapping
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References in periodicals archive ?
maculicola M2 macrorestriction pattern of DNA chromosome with PacI, PmeI and SwaI
Physical map of chromosome of the phytopathogenic Pseudomonas syringae pv. maculicola M2
Macrorestriction analysis of genomic DNA (Pulsed field gel electrophoresis--PFGE).
Genotipificacion de Staphylococcus aureus aislado de vacas lecheras en Mexico
The fingerprints generated by macrorestriction with SmaI comprised about 20-25 bands of approximately 5-500 Kb (Fig.
Phenotypic & genetic characterization of Bacillus cereus isolated from the acute diarrhoeal patients
The preferred approach is genotyping (1), which is commonly performed by macrorestriction digestion of genomic DNA with a rare-cutting restriction endonuclease (2,3).
Staphylococcus aureus strain typing by single-molecule DNA mapping in fluidic microchips with fluorescent tags
aeruginosa isolates by pulsed-field gel electrophoresis (PFGE) following chromosomal macrorestriction has been shown to be epidemiologically useful for strain differentiation, [11-13] and this technique was employed to investigate P.
Pseudomonas aeruginosa bacteraemia in an academic hospital in South Africa
aureus strains by PCR for rRNa gene spacer size polymorphism and comparison to Smal macrorestriction patterns.
Molecular techniques applied to food microbiology/ Tecnicas moleculares aplicadas a microbiologia de alimentos
Pulsed-field gel electrophoresis (PFGE) was performed after macrorestriction with SmaI in a CHEF-DRIII system (Bio-Rad, USA), according to Saeedi et al., (12) and analyzed with Bionumerics v6.5 (Applied Maths, Belgium) using the unweighted pair-group method with the arithmetic mean (UPGMA) applying the Dice correlation coefficient.
Clonal dissemination of vancomycin-resistant Enterococcus faecium ST412 in a Brazilian region
PulseNet standardized protocol for subtypingL/sfena monocytogenes by macrorestriction and pulsed-field gel electrophoresis.
Real-time whole-genome sequencing for surveillance of listeria monocytogenes, France
The profile analysis by PFGE macrorestriction and the results obtained with the restriction enzyme ApaI (Figure 1) allowed the distribution of the seven strains in one cluster (>80% similarity), two pulsotypes (A and B) and two subtypes (A1 and B1).
Molecular characterization of Listeria monocytogenes isolated from animal products in a city of Northern Brazil/Caracterizacao molecular de Listeria monocytogenes isolada de produtos de origem animal em uma cidade da regiao Norte do Brasil
Macrorestriction polymorphism of genomic DNA determined by PFGE revealed the presence of two pulsotypes among the nine study isolates.
Faecal carriage of CTX-M- 15-producing Klebsiella pneumoniae in patients with acute gastroenteritis
We used convenience sampling to select 62 CPRKp isolates that were detected during 2014-2015 and used pulsed-field gel electrophoresis (PFGE) to evaluate their genomic DNA macrorestriction profiles after XbaI digestion.
Polymyxin B resistance in carbapenem-resistant Klebsiella pneumoniae, Sao Paulo, Brazil
(b) Analysis of the macrorestriction profiles of chromosomal DNA after cleavage with the restriction enzyme SmaI and pulsed field electrophoresis.
Genotypic study documents divergence in the pathogenesis of bloodstream infection related central venous catheters in neonates

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