نتایج جستجو برای: composite interval mapping cim

تعداد نتایج: 511067  

2010
Nurul Haque Mollah Shinto Eguchi S. Eguchi

Robustness has received too little attention in Quantitative Trait Loci (QTL) analysis in experimental crosses. This paper discusses a robust QTL mapping algorithm based on Composite Interval Mapping (CIM) model by minimising β-divergence using the EM like algorithm. We investigate the robustness performance of the proposed method in a comparison of Interval Mapping (IM) and CIM algorithms usin...

Journal: :Genetics 2007
Huihui Li Guoyou Ye Jiankang Wang

Composite interval mapping (CIM) is the most commonly used method for mapping quantitative trait loci (QTL) with populations derived from biparental crosses. However, the algorithm implemented in the popular QTL Cartographer software may not completely ensure all its advantageous properties. In addition, different background marker selection methods may give very different mapping results, and ...

Journal: :Genetics and molecular research : GMR 2015
C F Su Z B Liu Y G Li

The study of quantitative trait effects is of great significance for molecular marker-assisted breeding. The accuracy of quantitative trait loci (QTL) mapping is the key factor affecting marker-assisted breeding, and is extremely significant. The effect of different heritability rates (10, 30, 50, 70, and 90%) on the accuracy of QTL mapping of five recombinant inbred lines (RILs) were analyzed ...

Journal: :journal of agricultural science and technology 2012
b. heidari gh. saeidi b. e. sayed tabatabaei k. suenaga

in order to locate the qtls for plant height, peduncle length, and heading date, a set of 107 wheat doubled haploid (dh) lines derived from the cross fukuho-komugi× oligoculm was grown during the growing seasons of 2004 and 2005. a total of 36 qtls were identified based on composite interval mapping (cim) approach. all detected plant height qtl’s were stable over the two years. qtls located nea...

2010
Andrew Crossett Nick Lauter Tanzy M. Love

BACKGROUND Improved genetic resolution and availability of sequenced genomes have made positional cloning of moderate-effect QTL realistic in several systems, emphasizing the need for precise and accurate derivation of positional confidence intervals (CIs) for QTL. Support interval (SI) methods based on the shape of the QTL likelihood curve have proven adequate for standard interval mapping, bu...

2014
Yongxian Wen Weiren Wu

Mapping of imprinted quantitative trait loci (iQTLs) is helpful for understanding the effects of genomic imprinting on complex traits in animals and plants. At present, the experimental designs and corresponding statistical methods having been proposed for iQTL mapping are all based on temporary populations including F2 and BC1, which can be used only once and suffer some other shortcomings res...

Behzad Ghareyazie Mohammad Reza Ghaffari Mohammad Reza Naghavi, Mohsen Mardi, Mona Mazaheri Seyed Mostafa Pirseyedi Sirus Abdemishani

Resistance gene analog polymorphism (RGAP) markers linked to Fusarium head blight resistance (FHB) and co-localize with Qfhs.ndsu-3BS were identified using F3 plants and F3:5 lines derived from a ‘Wangshuibai’ (resistant) / ‘Seri82’ (susceptible) cross. The mapping populations were genotyped using 50 degenerate primers designed based on the known R genes. Out of the 50 designed primer combinati...

Journal: :iranian journal of biotechnology 2008
mona mazaheri mohammad reza naghavi mohammad reza ghaffari seyed mostafa pirseyedi behzad ghareyazie

resistance gene analog polymorphism (rgap) markers linked to fusarium head blight resistance (fhb) and co-localize with qfhs.ndsu-3bs were identified using f3 plants and f3:5 lines derived from a ‘wangshuibai’ (resistant) / ‘seri82’ (susceptible) cross. the mapping populations were genotyped using 50 degenerate primers designed based on the known r genes. out of the 50 designed primer combinati...

Behzad Ghareyazie Farveh Ehya Laleh Karimi Farsad Mohammad Reza Ghaffari Mohsen Mardi, Samaneh Hosseini

Fusarium head blight (FHB) caused by Fusarium graminearum is a serious disease of wheat (Triticum aestivum L.), through which grain quality losses are induced by fungal trichotecene mycotoxins such as deoxynivalenol (DON). A class of plasma membrane localized ABC transporter proteins related to the yeast PDR5 (pleiotropic drug resistance5) efflux pump seems to be responsible for partial resista...

Journal: :Genetics 2005
Justin R Anderson Jennifer R Schneider Paul R Grimstad David W Severson

La Crosse virus is a leading cause of pediatric encephalitis in the United States. The mosquito Ochlerotatus triseriatus is an efficient vector for La Crosse virus, whereas the closely related O. hendersoni transmits only at very low rates. Quantitative trait loci (QTL) affecting the ability to orally transmit this virus and adult body size were identified in 164 F(2) female individuals from in...

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