scholarly journals Comparison of Quantitative Trait Loci for Adaptive Traits Between Oak and Chestnut Based on an Expressed Sequence Tag Consensus Map

Genetics ◽  
2005 ◽  
Vol 172 (1) ◽  
pp. 533-546 ◽  
Author(s):  
Manuela Casasoli ◽  
Jeremy Derory ◽  
Caroline Morera-Dutrey ◽  
Oliver Brendel ◽  
Ilga Porth ◽  
...  
Keyword(s):  
Quantitative Trait Loci ◽  
Quantitative Trait ◽  
Expressed Sequence Tag ◽  
Consensus Map ◽  
Adaptive Traits ◽  
Trait Loci ◽  
Expressed Sequence

scholarly journals Mapping quantitative trait loci and identification of genes that control fatness in poultry

2002 ◽  
Vol 61 (4) ◽  
pp. 441-446 ◽  
Author(s):  
David W. Burt ◽  
Paul M. Hocking
Keyword(s):  
Quantitative Trait Loci ◽  
Bacterial Artificial Chromosome ◽  
Quantitative Trait ◽  
Expressed Sequence Tag ◽  
Artificial Chromosome ◽  
Nouvelles Technologies ◽  
Trait Loci ◽  
Expressed Sequence

RésuméLa génomique de la volaille a bénéficié des avancements technologiques rapides acquis en génomique humaine et sur les organismes modèles. Certains outils et certains approches sont maintenant bien établis chez le poulet, y compris les cartes et marqueurs (génétiques comme physiques), mapping loci pour caractéres quantitatifs, mapping comparative, ressources expressed sequence tag et bacterial artificial chromosome, et mapping physique. De plus, la phase suivante de la découverte génétique, la génomique fonctionnelle, est en cours. Les progre`s dans le mapping de loci pour caracte`res quantitatifs de croissance et d'adiposité seront discutés pour illustrer ces nouvelles technologies et ces nouvelles approches dans l'étude de la génétique et de la physiologie avicole.

scholarly journals Mapping of Quantitative Trait Loci Controlling Adaptive Traits in Coastal Douglas Fir. III. Quantitative Trait Loci-by-Environment Interactions

Genetics ◽  
2003 ◽  
Vol 165 (3) ◽  
pp. 1489-1506
Author(s):  
Kathleen D Jermstad ◽  
Daniel L Bassoni ◽  
Keith S Jech ◽  
Gary A Ritchie ◽  
Nicholas C Wheeler ◽  
...  
Keyword(s):  
Quantitative Trait Loci ◽  
Quantitative Trait ◽  
Complex Traits ◽  
Moisture Stress ◽  
Interval Mapping ◽  
Douglas Fir ◽  
Adaptive Traits ◽  
Growth Cessation ◽  
Trait Loci ◽  
Growth Initiation

Abstract Quantitative trait loci (QTL) were mapped in the woody perennial Douglas fir (Pseudotsuga menziesii var. menziesii [Mirb.] Franco) for complex traits controlling the timing of growth initiation and growth cessation. QTL were estimated under controlled environmental conditions to identify QTL interactions with photoperiod, moisture stress, winter chilling, and spring temperatures. A three-generation mapping population of 460 cloned progeny was used for genetic mapping and phenotypic evaluations. An all-marker interval mapping method was used for scanning the genome for the presence of QTL and single-factor ANOVA was used for estimating QTL-by-environment interactions. A modest number of QTL were detected per trait, with individual QTL explaining up to 9.5% of the phenotypic variation. Two QTL-by-treatment interactions were found for growth initiation, whereas several QTL-by-treatment interactions were detected among growth cessation traits. This is the first report of QTL interactions with specific environmental signals in forest trees and will assist in the identification of candidate genes controlling these important adaptive traits in perennial plants.

Mapping of quantitative trait loci controlling adaptive traits in coastal Douglas-fir. IV. Cold-hardiness QTL verification and candidate gene mapping

2005 ◽  
Vol 15 (2) ◽  
pp. 145-156 ◽  
Author(s):  
Nicholas C. Wheeler ◽  
Kathleen D. Jermstad ◽  
Konstantin Krutovsky ◽  
Sally N. Aitken ◽  
Glenn T. Howe ◽  
...  
Keyword(s):  
Quantitative Trait Loci ◽  
Gene Mapping ◽  
Candidate Gene ◽  
Quantitative Trait ◽  
Cold Hardiness ◽  
Douglas Fir ◽  
Adaptive Traits ◽  
Trait Loci ◽  
Candidate Gene Mapping ◽  
Qtl Verification

Mapping of quantitative trait loci controlling adaptive traits in coastal Douglas-fir. II. Spring and fall cold-hardiness

2001 ◽  
Vol 102 (8) ◽  
pp. 1152-1158 ◽  
Author(s):  
K. D. Jermstad ◽  
D. L. Bassoni ◽  
N. C. Wheeler ◽  
T. S. Anekonda ◽  
S. N. Aitken ◽  
...  
Keyword(s):  
Quantitative Trait Loci ◽  
Quantitative Trait ◽  
Cold Hardiness ◽  
Douglas Fir ◽  
Adaptive Traits ◽  
Trait Loci

Mapping of quantitative trait loci controlling adaptive traits in coastal Douglas-fir. I. Timing of vegetative bud flush

2001 ◽  
Vol 102 (8) ◽  
pp. 1142-1151 ◽  
Author(s):  
K. D. Jermstad ◽  
D. L. Bassoni ◽  
K. S. Jech ◽  
N. C. Wheeler ◽  
D. B. Neale
Keyword(s):  
Quantitative Trait Loci ◽  
Quantitative Trait ◽  
Douglas Fir ◽  
Adaptive Traits ◽  
Trait Loci ◽  
Vegetative Bud

Resistance gene analogues in sugarcane and sorghum and their association with quantitative trait loci for rust resistance

Genome ◽  
2005 ◽  
Vol 48 (3) ◽  
pp. 391-400 ◽  
Author(s):  
C L McIntyre ◽  
R E Casu ◽  
J Drenth ◽  
D Knight ◽  
V A Whan ◽  
...  
Keyword(s):  
Disease Resistance ◽  
Quantitative Trait Loci ◽  
Resistance Gene ◽  
Quantitative Trait ◽  
Rust Resistance ◽  
Expressed Sequence Tag ◽  
Brown Rust ◽  
Resistance Gene Analogue ◽  
Trait Loci ◽  
Sugarcane Stem

Fifty-four different sugarcane resistance gene analogue (RGA) sequences were isolated, characterized, and used to identify molecular markers linked to major disease-resistance loci in sugarcane. Ten RGAs were identified from a sugarcane stem expressed sequence tag (EST) library; the remaining 44 were isolated from sugarcane stem, leaf, and root tissue using primers designed to conserved RGA motifs. The map location of 31 of the RGAs was determined in sugarcane and compared with the location of quantitative trait loci (QTL) for brown rust resistance. After 2 years of phenotyping, 3 RGAs were shown to generate markers that were significantly associated with resistance to this disease. To assist in the understanding of the complex genetic structure of sugarcane, 17 of the 31 RGAs were also mapped in sorghum. Comparative mapping between sugarcane and sorghum revealed syntenic localization of several RGA clusters. The 3 brown rust associated RGAs were shown to map to the same linkage group (LG) in sorghum with 2 mapping to one region and the third to a region previously shown to contain a major rust-resistance QTL in sorghum. These results illustrate the value of using RGAs for the identification of markers linked to disease resistance loci and the value of simultaneous mapping in sugarcane and sorghum.Key words: resistance gene analogue, RGA, sorghum, sugarcane, rust.

scholarly journals Genetic linkage map of the guppy, Poecilia reticulata , and quantitative trait loci analysis of male size and colour variation

2009 ◽  
Vol 276 (1665) ◽  
pp. 2195-2208 ◽  
Author(s):  
Namita Tripathi ◽  
Margarete Hoffmann ◽  
Eva-Maria Willing ◽  
Christa Lanz ◽  
Detlef Weigel ◽  
...  
Keyword(s):  
Quantitative Trait Loci ◽  
Linkage Map ◽  
Quantitative Trait ◽  
Genetic Linkage ◽  
Poecilia Reticulata ◽  
Genetic Linkage Map ◽  
Expressed Sequence Tag ◽  
Colour Pattern ◽  
Linkage Data ◽  
Trait Loci

We report construction of a genetic linkage map of the guppy genome using 790 single nucleotide polymorphism markers, integrated from six mapping crosses. The markers define 23 linkage groups (LGs), corresponding to the known haploid number of guppy chromosomes. The map, which spans a genetic length of 899 cM, includes 276 markers linked to expressed genes (expressed sequence tag), which have been used to derive broad syntenic relationships of guppy LGs with medaka chromosomes. This combined linkage map should facilitate the advancement of genetic studies for a wide variety of complex adaptive phenotypes relevant to natural and sexual selection in this species. We have used the linkage data to predict quantitative trait loci for a set of variable male traits including size and colour pattern. Contributing loci map to the sex LG for many of these traits.

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