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Peter Jack
Newcastle University
11Publications
10H-index
495Citations
Publications 11
Newest
#1Stefan McKinnon Edwards (Edin.: University of Edinburgh)H-Index: 7
#2Jaap B. Buntjer (Edin.: University of Edinburgh)
Last.Edward Flatman (Groupe Limagrain)H-Index: 1
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Genomic selection offers several routes for increasing the genetic gain or efficiency of plant breeding programmes. In various species of livestock, there is empirical evidence of increased rates of genetic gain from the use of genomic selection to target different aspects of the breeder’s equation. Accurate predictions of genomic breeding value are central to this, and the design of training sets is in turn central to achieving sufficient levels of accuracy. In summary, small numbers of close r...
#1S. P. HoadH-Index: 2
Last.David A. Laurie (JIC: John Innes Centre)H-Index: 37
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#1Alexandra M. Allen (UoB: University of Bristol)H-Index: 13
#2Mark O. Winfield (UoB: University of Bristol)H-Index: 10
Last.Alessandro Davassi (Affymetrix)H-Index: 8
view all 21 authors...
Summary Targeted selection and inbreeding have resulted in a lack of genetic diversity in elite hexaploid bread wheat accessions. Reduced diversity can be a limiting factor in the breeding of high yielding varieties and crucially can mean reduced resilience in the face of changing climate and resource pressures. Recent technological advances have enabled the development of molecular markers for use in the assessment and utilisation of genetic diversity in hexaploid wheat. Starting with a large c...
#1Oluwaseyi Shorinola (Norwich Research Park)H-Index: 4
#2Nicholas Bird (University of Hertfordshire)H-Index: 1
Last.Barbara BalcárkováH-Index: 2
view all 14 authors...
The precocious germination of cereal grains before harvest, also known as pre-harvest sprouting, is an important source of yield and quality loss in cereal production. Pre-harvest sprouting is a complex grain defect and is becoming an increasing challenge due to changing climate patterns. Resistance to sprouting is multi-genic, although a significant proportion of the sprouting variation in modern wheat cultivars is controlled by a few major quantitative trait loci, including Phs-A1 in chromosom...
#1Ricardo H. Ramirez-Gonzalez (Norwich University)H-Index: 16
#2Vanesa Segovia (JIC: John Innes Centre)H-Index: 1
Last.Cristobal Uauy (JIC: John Innes Centre)H-Index: 38
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Summary The identification of genetic markers linked to genes of agronomic importance is a major aim of crop research and breeding programmes. Here, we identify markers for Yr15, a major disease resistance gene for wheat yellow rust, using a segregating F2 population. After phenotyping, we implemented RNA sequencing (RNA-Seq) of bulked pools to identify single-nucleotide polymorphisms (SNP) associated with Yr15. Over 27 000 genes with SNPs were identified between the parents, and then classified...
#1Eric Ober (National Institute of Agricultural Botany)H-Index: 3
#2Peter Werner (University of Hertfordshire)H-Index: 8
Last.Chris Tapsell (University of Hertfordshire)H-Index: 2
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The ability of roots to extract soil moisture is critical for maintaining yields during drought. However, the extent of genotypic variation for rooting depth and drought tolerance in Northern European wheat (Triticum aestivum L.) germplasm is not known. The objectives of this study were to measure genotypic differences in root activity, test relationships between water use and yield, examine trade-offs between yield potential and investment of biomass in deep roots, and identify genotypes that c...
#1Aidan D. Farrell (UWI: University of the West Indies)H-Index: 7
#2P. S. Kettlewell (Harper Adams University)H-Index: 2
Last.Peter JackH-Index: 10
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The occurrence of late maturity alpha-amylase (LMA) was investigated using two doubled haploid wheat populations segregating for the dwarfing gene Rht-D1b and the 1B/1R translocation. Genotypes were assessed in the field and in controlled environments where a cold-shock treatment was used to induce LMA. Results from field-grown genotypes from the cross Spark × Rialto suggest that the absence of Rht-D1b or the presence of the 1B/1R translocation increases the expression of LMA.These two genetic f...
#1Alexandra M. Allen (UoB: University of Bristol)H-Index: 13
#2Gary L. A. Barker (UoB: University of Bristol)H-Index: 34
Last.Simon Berry (Groupe Limagrain)H-Index: 8
view all 16 authors...
Summary Globally, wheat is the most widely grown crop and one of the three most important crops for human and livestock feed. However, the complex nature of the wheat genome has, until recently, resulted in a lack of single nucleotide polymorphism (SNP)-based molecular markers of practical use to wheat breeders. Recently, large numbers of SNP-based wheat markers have been made available via the use of next-generation sequencing combined with a variety of genotyping platforms. However, many of th...
#1M. Alison Dunn (Newcastle University)H-Index: 10
#2Alison Morris (Newcastle University)H-Index: 1
Last.Monica A. Hughes (Newcastle University)H-Index: 24
view all 4 authors...
A cDNA clone (pBLT63) encoding a protein synthesis elongation factor 1α (EF-1α) was isolated from a low-temperature winter barley shoot meristem library by differential screening. The nucleotide sequence of the coding region of the low-temperature-induced barley gene shows very high homology with two EF-1α plant genes from tomato and Arabidopsis. The barley genome contains an EF-1α gene family situated on the short arm of chromosome 2 and the long arm of chromosome 5. The nucleotide sequence dat...
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