Chromosomal regions controlling resistance to gastro-intestinal nematode infections in mice
Quantitative trait loci (QTL) associated with resistance to an intestinal worm in a well-defined murine model are described. These have been identified in an F(2) population derived from resistant (SWR) and susceptible (CBA) parental mouse strains infected with the gastro-intestinal nematode parasite Heligmosomoides polygyrus. Seven QTL located on six chromosomes are described, associated with components of the complex host response and the differential regulation of parasite survival and reproduction. The combined additive effects of the five significant QTL associated with worm survival (total worm count at necropsy) account for about 60% of the difference in worm count between the parental lines. The dominance effect for these five QTL are all in the direction of resistance, supporting the heterosis for resistance established from the mean worm count for the F(2) line relative to the parental lines. It is now possible to identify the comparative chromosomal regions of these QTL in livestock and humans and to consider the possibility of future improved control strategies. These may include breeding of resistant or tolerant livestock, development of vaccines, or identification of new anthelmintic drugs. [Journal Article; In English; United States]
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Format: | Journal Article biblioteca |
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Springer
2003-03-01
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Subjects: | nematoda, digestive system diseases, chromosomes, genetic resistance, infection, mice, metabolism, microsatellites, |
Online Access: | https://hdl.handle.net/10568/29203 https://doi.org/10.1007/s00335-002-3049-7 |
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dig-cgspace-10568-292032023-12-08T19:36:04Z Chromosomal regions controlling resistance to gastro-intestinal nematode infections in mice Iraqi, F.A. Behnke, J.M. Menge, D.M. Lowe, A.M. Teale, A.J. Gibson, John P. Baker, L.R. Wakelin, D.R. nematoda digestive system diseases chromosomes genetic resistance infection mice metabolism microsatellites Quantitative trait loci (QTL) associated with resistance to an intestinal worm in a well-defined murine model are described. These have been identified in an F(2) population derived from resistant (SWR) and susceptible (CBA) parental mouse strains infected with the gastro-intestinal nematode parasite Heligmosomoides polygyrus. Seven QTL located on six chromosomes are described, associated with components of the complex host response and the differential regulation of parasite survival and reproduction. The combined additive effects of the five significant QTL associated with worm survival (total worm count at necropsy) account for about 60% of the difference in worm count between the parental lines. The dominance effect for these five QTL are all in the direction of resistance, supporting the heterosis for resistance established from the mean worm count for the F(2) line relative to the parental lines. It is now possible to identify the comparative chromosomal regions of these QTL in livestock and humans and to consider the possibility of future improved control strategies. These may include breeding of resistant or tolerant livestock, development of vaccines, or identification of new anthelmintic drugs. [Journal Article; In English; United States] 2003-03-01 2013-06-11T09:22:46Z 2013-06-11T09:22:46Z Journal Article Mammalian Genome;14(3): 184-191 0938-8990 https://hdl.handle.net/10568/29203 https://doi.org/10.1007/s00335-002-3049-7 en Copyrighted; all rights reserved Limited Access p. 184-191 Springer Mammalian Genome |
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nematoda digestive system diseases chromosomes genetic resistance infection mice metabolism microsatellites nematoda digestive system diseases chromosomes genetic resistance infection mice metabolism microsatellites |
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nematoda digestive system diseases chromosomes genetic resistance infection mice metabolism microsatellites nematoda digestive system diseases chromosomes genetic resistance infection mice metabolism microsatellites Iraqi, F.A. Behnke, J.M. Menge, D.M. Lowe, A.M. Teale, A.J. Gibson, John P. Baker, L.R. Wakelin, D.R. Chromosomal regions controlling resistance to gastro-intestinal nematode infections in mice |
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Quantitative trait loci (QTL) associated with resistance to an intestinal worm in a well-defined murine model are described. These have been identified in an F(2) population derived from resistant (SWR) and susceptible (CBA) parental mouse strains infected with the gastro-intestinal nematode parasite Heligmosomoides polygyrus. Seven QTL located on six chromosomes are described, associated with components of the complex host response and the differential regulation of parasite survival and reproduction. The combined additive effects of the five significant QTL associated with worm survival (total worm count at necropsy) account for about 60% of the difference in worm count between the parental lines. The dominance effect for these five QTL are all in the direction of resistance, supporting the heterosis for resistance established from the mean worm count for the F(2) line relative to the parental lines. It is now possible to identify the comparative chromosomal regions of these QTL in livestock and humans and to consider the possibility of future improved control strategies. These may include breeding of resistant or tolerant livestock, development of vaccines, or identification of new anthelmintic drugs. [Journal Article; In English; United States] |
format |
Journal Article |
topic_facet |
nematoda digestive system diseases chromosomes genetic resistance infection mice metabolism microsatellites |
author |
Iraqi, F.A. Behnke, J.M. Menge, D.M. Lowe, A.M. Teale, A.J. Gibson, John P. Baker, L.R. Wakelin, D.R. |
author_facet |
Iraqi, F.A. Behnke, J.M. Menge, D.M. Lowe, A.M. Teale, A.J. Gibson, John P. Baker, L.R. Wakelin, D.R. |
author_sort |
Iraqi, F.A. |
title |
Chromosomal regions controlling resistance to gastro-intestinal nematode infections in mice |
title_short |
Chromosomal regions controlling resistance to gastro-intestinal nematode infections in mice |
title_full |
Chromosomal regions controlling resistance to gastro-intestinal nematode infections in mice |
title_fullStr |
Chromosomal regions controlling resistance to gastro-intestinal nematode infections in mice |
title_full_unstemmed |
Chromosomal regions controlling resistance to gastro-intestinal nematode infections in mice |
title_sort |
chromosomal regions controlling resistance to gastro-intestinal nematode infections in mice |
publisher |
Springer |
publishDate |
2003-03-01 |
url |
https://hdl.handle.net/10568/29203 https://doi.org/10.1007/s00335-002-3049-7 |
work_keys_str_mv |
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