Matches in DBpedia 2014 for { <http://dbpedia.org/resource/Homologous_recombination> ?p ?o. }
Showing items 1 to 28 of
28
with 100 items per page.
- Homologous_recombination abstract "Homologous recombination is a type of genetic recombination in which nucleotide sequences are exchanged between two similar or identical molecules of DNA. It is most widely used by cells to accurately repair harmful breaks that occur on both strands of DNA, known as double-strand breaks. Homologous recombination also produces new combinations of DNA sequences during meiosis, the process by which eukaryotes make gamete cells, like sperm and egg cells in animals. These new combinations of DNA represent genetic variation in offspring, which in turn enables populations to adapt during the course of evolution. Homologous recombination is also used in horizontal gene transfer to exchange genetic material between different strains and species of bacteria and viruses.Although homologous recombination varies widely among different organisms and cell types, most forms involve the same basic steps. After a double-strand break occurs, sections of DNA around the 5' ends of the break are cut away in a process called resection. In the strand invasion step that follows, an overhanging 3' end of the broken DNA molecule then "invades" a similar or identical DNA molecule that is not broken. After strand invasion, the further sequence of events may follow either of two main pathways discussed below (see Models); the DSBR (double-strand break repair) pathway or the SDSA (synthesis-dependent strand annealing) pathway. Homologous recombination that occurs during DNA repair tends to result in non-crossover products, in effect restoring the damaged DNA molecule as it existed before the double-strand break.Homologous recombination is conserved across all three domains of life as well as viruses, suggesting that it is a nearly universal biological mechanism. The discovery of genes for homologous recombination in protists—a diverse group of eukaryotic microorganisms—has been interpreted as evidence that meiosis emerged early in the evolution of eukaryotes. Since their dysfunction has been strongly associated with increased susceptibility to several types of cancer, the proteins that facilitate homologous recombination are topics of active research. Homologous recombination is also used in gene targeting, a technique for introducing genetic changes into target organisms. For their development of this technique, Mario Capecchi, Martin Evans and Oliver Smithies were awarded the 2007 Nobel Prize for Physiology or Medicine.".
- Homologous_recombination thumbnail HR_in_meiosis.svg?width=300.
- Homologous_recombination wikiPageExternalLink animations.htm.
- Homologous_recombination wikiPageExternalLink recombination.html.
- Homologous_recombination wikiPageID "2631477".
- Homologous_recombination wikiPageRevisionID "606318092".
- Homologous_recombination by "no".
- Homologous_recombination hasPhotoCollection Homologous_recombination.
- Homologous_recombination onlinebooks "no".
- Homologous_recombination subject Category:DNA_repair.
- Homologous_recombination subject Category:Genetics.
- Homologous_recombination subject Category:Telomeres.
- Homologous_recombination comment "Homologous recombination is a type of genetic recombination in which nucleotide sequences are exchanged between two similar or identical molecules of DNA. It is most widely used by cells to accurately repair harmful breaks that occur on both strands of DNA, known as double-strand breaks. Homologous recombination also produces new combinations of DNA sequences during meiosis, the process by which eukaryotes make gamete cells, like sperm and egg cells in animals.".
- Homologous_recombination label "Homologous recombination".
- Homologous_recombination label "Recombinación homóloga".
- Homologous_recombination label "Recombinaison homologue".
- Homologous_recombination label "Recombinação homóloga".
- Homologous_recombination label "تأشيب متماثل".
- Homologous_recombination label "同源重組".
- Homologous_recombination sameAs Recombinación_homóloga.
- Homologous_recombination sameAs Recombinaison_homologue.
- Homologous_recombination sameAs Recombinação_homóloga.
- Homologous_recombination sameAs m.02p6qzz.
- Homologous_recombination sameAs Q218447.
- Homologous_recombination sameAs Q218447.
- Homologous_recombination wasDerivedFrom Homologous_recombination?oldid=606318092.
- Homologous_recombination depiction HR_in_meiosis.svg.
- Homologous_recombination isPrimaryTopicOf Homologous_recombination.