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The 4T and 7T introgressions from Amblyopyrum muticum and the 5Au introgression from Triticum urartu increases grain zinc and iron concentrations in Malawian wheat backgrounds (2024)
Journal Article
Guwela, V. F., Maliro, M. F., Broadley, M. R., Hawkesford, M. J., Bokosi, J. M., Grewal, S., Coombes, B., Hall, A., Yang, C., Banda, M., Wilson, L., & King, J. (2024). The 4T and 7T introgressions from Amblyopyrum muticum and the 5Au introgression from Triticum urartu increases grain zinc and iron concentrations in Malawian wheat backgrounds. Frontiers in Plant Science, 15, Article 1346046. https://doi.org/10.3389/fpls.2024.1346046

Micronutrient deficiencies (MNDs) particularly zinc (Zn) and iron (Fe) remain widespread in sub-Saharan Africa (SSA) due to low dietary intake. Wheat is an important source of energy globally, although cultivated wheat is inherently low in grain micr... Read More about The 4T and 7T introgressions from Amblyopyrum muticum and the 5Au introgression from Triticum urartu increases grain zinc and iron concentrations in Malawian wheat backgrounds.

Unravelling the impact of soil types on zinc, iron, and selenium concentrations in grains and straw of wheat/Amblyopyrum muticum and wheat/Triticum urartu doubled haploid lines (2024)
Journal Article
Guwela, V. F., Broadley, M. R., Hawkesford, M. J., Maliro, M. F. A., Bokosi, J., Banda, M., …King, J. (2024). Unravelling the impact of soil types on zinc, iron, and selenium concentrations in grains and straw of wheat/Amblyopyrum muticum and wheat/Triticum urartu doubled haploid lines. Frontiers in Agronomy, 6, Article 1305034. https://doi.org/10.3389/fagro.2024.1305034

The concentration of mineral nutrients in plants is associated with bioavailabilities of soil mineral nutrients, which are regulated by various soil physio-chemical properties. A pot experiment was conducted to investigate the effects of soil type on... Read More about Unravelling the impact of soil types on zinc, iron, and selenium concentrations in grains and straw of wheat/Amblyopyrum muticum and wheat/Triticum urartu doubled haploid lines.

Leaf photosynthesis traits and associations with biomass and drought tolerance in amphidiploid and ancestral wheat genotypes (2023)
Journal Article
Mahmood, Y. A., DeSilva, J., King, I. P., King, J., & Foulkes, M. J. (2023). Leaf photosynthesis traits and associations with biomass and drought tolerance in amphidiploid and ancestral wheat genotypes. European Journal of Agronomy, 147, Article 126846. https://doi.org/10.1016/j.eja.2023.126846

Future progress in wheat grain yield will depend on increasing photosynthesis capacity and biomass. Wheat wild relatives represent sources of novel genetic variation for photosynthesis traits. Our objective was to quantify variation in leaf photosynt... Read More about Leaf photosynthesis traits and associations with biomass and drought tolerance in amphidiploid and ancestral wheat genotypes.

The effects of exogenous fibrolytic enzymes on the in vitro release of xylooligosaccharides and monosaccharides varies across six varieties of wheat (2022)
Journal Article
Dale, T., Bedford, M. R., King, J., Tucker, G. A., Brameld, J. M., & Parr, T. (2023). The effects of exogenous fibrolytic enzymes on the in vitro release of xylooligosaccharides and monosaccharides varies across six varieties of wheat. Animal Feed Science and Technology, 295, Article 115526. https://doi.org/10.1016/j.anifeedsci.2022.115526

Wheat is a widely used cereal grain for pig and poultry feeds globally. Despite this, there are noticeable differences in its nutritive value, potentially due to varying characteristics like inherent non-starch polysaccharide (NSP) content and compos... Read More about The effects of exogenous fibrolytic enzymes on the in vitro release of xylooligosaccharides and monosaccharides varies across six varieties of wheat.

Identification of Fusarium Head Blight Resistance in Triticum timopheevii Accessions and Characterization of Wheat-T. timopheevii Introgression Lines for Enhanced Resistance (2022)
Journal Article
Steed, A., King, J., Grewal, S., Yang, C. Y., Clarke, M., Devi, U., King, I. P., & Nicholson, P. (2022). Identification of Fusarium Head Blight Resistance in Triticum timopheevii Accessions and Characterization of Wheat-T. timopheevii Introgression Lines for Enhanced Resistance. Frontiers in Plant Science, 13, Article 943211. https://doi.org/10.3389/fpls.2022.943211

A diverse panel of wheat wild relative species was screened for resistance to Fusarium head blight (FHB) by spray inoculation. The great majority of species and accessions were susceptible or highly susceptible to FHB. Accessions of Triticum timophee... Read More about Identification of Fusarium Head Blight Resistance in Triticum timopheevii Accessions and Characterization of Wheat-T. timopheevii Introgression Lines for Enhanced Resistance.

Exploring Untapped Wheat Genetic Resources to Boost Food Security (2022)
Book Chapter
King, J., Grewal, S., Fellers, J. P., & King, I. P. (2022). Exploring Untapped Wheat Genetic Resources to Boost Food Security. In Wheat Improvement: Food Security in a Changing Climate (319-340). Springer. https://doi.org/10.1007/978-3-030-90673-3_18

Increasing the genetic diversity of wheat is key to its future production in terms of increasing yields, resistance to diseases and adaptability to fluctuations in global climate. The use of the progenitor species of wheat and also its wild relatives... Read More about Exploring Untapped Wheat Genetic Resources to Boost Food Security.

Introgression of the Triticum timopheevii Genome Into Wheat Detected by Chromosome-Specific Kompetitive Allele Specific PCR Markers (2022)
Journal Article
King, J., Grewal, S., Othmeni, M., Coombes, B., Yang, C., Walter, N., …King, I. (2022). Introgression of the Triticum timopheevii Genome Into Wheat Detected by Chromosome-Specific Kompetitive Allele Specific PCR Markers. Frontiers in Plant Science, 13, Article 919519. https://doi.org/10.3389/fpls.2022.919519

Triticum timopheevii (2n = 28, AtAtGG) is a tetraploid wild relative species with great potential to increase the genetic diversity of hexaploid wheat Triticum aestivum (2n = 42, AABBDD) for various important agronomic traits. A breeding scheme that... Read More about Introgression of the Triticum timopheevii Genome Into Wheat Detected by Chromosome-Specific Kompetitive Allele Specific PCR Markers.

Whole-genome sequencing uncovers the structural and transcriptomic landscape of hexaploid wheat/Ambylopyrum muticum introgression lines (2022)
Journal Article
Coombes, B., Fellers, J. P., Grewal, S., Rusholme‐Pilcher, R., Hubbart‐Edwards, S., Yang, C., Joynson, R., King, I. P., King, J., & Hall, A. (2023). Whole-genome sequencing uncovers the structural and transcriptomic landscape of hexaploid wheat/Ambylopyrum muticum introgression lines. Plant Biotechnology Journal, 21(3), 482-496. https://doi.org/10.1111/pbi.13859

Wheat is a globally vital crop, but its limited genetic variation creates a challenge for breeders aiming to maintain or accelerate agricultural improvements over time. Introducing novel genes and alleles from wheat's wild relatives into the wheat br... Read More about Whole-genome sequencing uncovers the structural and transcriptomic landscape of hexaploid wheat/Ambylopyrum muticum introgression lines.

Identifying variation for N-use efficiency and associated traits in amphidiploids derived from hybrids of bread wheat and the genera Aegilops, Secale, Thinopyrum and Triticum (2022)
Journal Article
Nehe, A., King, J., King, I. P., Murchie, E. H., & Foulkes, M. J. (2022). Identifying variation for N-use efficiency and associated traits in amphidiploids derived from hybrids of bread wheat and the genera Aegilops, Secale, Thinopyrum and Triticum. PLoS ONE, 17(4 April), Article e0266924. https://doi.org/10.1371/journal.pone.0266924

Future genetic progress in wheat grain yield will depend on increasing biomass and this must be achieved without commensurate increases in nitrogen (N) fertilizer inputs to minimize environmental impacts. In recent decades there has been a loss of ge... Read More about Identifying variation for N-use efficiency and associated traits in amphidiploids derived from hybrids of bread wheat and the genera Aegilops, Secale, Thinopyrum and Triticum.

The role of gene flow and chromosomal instability in shaping the bread wheat genome (2021)
Journal Article
Przewieslik-Allen, A. M., Wilkinson, P. A., Burridge, A. J., Winfield, M. O., Dai, X., Beaumont, M., …Edwards, K. J. (2021). The role of gene flow and chromosomal instability in shaping the bread wheat genome. Nature Plants, 7, 172-183. https://doi.org/10.1038/s41477-020-00845-2

© 2021, The Author(s), under exclusive licence to Springer Nature Limited. Bread wheat (Triticum aestivum) is one of the world’s most important crops; however, a low level of genetic diversity within commercial breeding accessions can significantly l... Read More about The role of gene flow and chromosomal instability in shaping the bread wheat genome.

Novel sources of variation in grain Zinc (Zn) concentration in bread wheat germplasm derived from Watkins landraces (2020)
Journal Article
Khokhar, J. S., King, J., King, I. P., Young, S. D., Foulkes, M. J., De Silva, J., …Broadley, M. R. (2020). Novel sources of variation in grain Zinc (Zn) concentration in bread wheat germplasm derived from Watkins landraces. PLoS ONE, 15(2), Article e0229107. https://doi.org/10.1371/journal.pone.0229107

A diverse panel of 245 wheat genotypes, derived from crosses between landraces from the Watkins collection representing global diversity in the early 20th century and the modern wheat cultivar Paragon, was grown at two field sites in the UK in 2015-1... Read More about Novel sources of variation in grain Zinc (Zn) concentration in bread wheat germplasm derived from Watkins landraces.

Development of stable homozygous wheat/Amblyopyrum muticum (Aegilops mutica) introgression lines and their cytogenetic and molecular characterization (2019)
Journal Article
King, J., Newell, C., Grewal, S., Hubbart-Edwards, S., Yang, C.-Y., Scholefield, D., …King, I. P. (2019). Development of stable homozygous wheat/Amblyopyrum muticum (Aegilops mutica) introgression lines and their cytogenetic and molecular characterization. Frontiers in Plant Science, 10, 1-10. https://doi.org/10.3389/fpls.2019.00034

Wheat is one of the world’s most important sources of food. However, due to its evolution its genetic base has narrowed, which is severely limiting the ability of breeders to develop new higher yielding varieties that can adapt to the changing enviro... Read More about Development of stable homozygous wheat/Amblyopyrum muticum (Aegilops mutica) introgression lines and their cytogenetic and molecular characterization.

Developing a high-throughput SNP-based marker system to facilitate the introgression of traits from Aegilops species into bread wheat (Triticum aestivum) (2019)
Journal Article
Przewieslik-Allen, A. M., Burridge, A. J., Wilkinson, P. A., Winfield, M. O., Shaw, D. S., McAusland, L., …Barker, G. L. (2019). Developing a high-throughput SNP-based marker system to facilitate the introgression of traits from Aegilops species into bread wheat (Triticum aestivum). Frontiers in Plant Science, 9, Article 1993. https://doi.org/10.3389/fpls.2018.01993

The genus Aegilops contains a diverse collection of wild species exhibiting variation in geographical distribution, ecological adaptation, ploidy and genome organization. Aegilops is the most closely related genus to Triticum which includes cultivate... Read More about Developing a high-throughput SNP-based marker system to facilitate the introgression of traits from Aegilops species into bread wheat (Triticum aestivum).

An investigation of genotype-phenotype association in a festulolium forage grass population containing genome-spanning Festuca pratensis chromosome segments in a Lolium perenne background (2018)
Journal Article
Harper, J., Gasior, D., Mathews, R., Thomas, A., Evans, C., King, J., …Armstead, I. (2018). An investigation of genotype-phenotype association in a festulolium forage grass population containing genome-spanning Festuca pratensis chromosome segments in a Lolium perenne background. PLoS ONE, 13(11), Article e0207412. https://doi.org/10.1371/journal.pone.0207412

Alien chromosome introgression is used for the transfer of beneficial traits in plant breeding. For temperate forage grasses, much of the work in this context has focused on species within the ryegrasses (Lolium spp.) and the closely related fescues... Read More about An investigation of genotype-phenotype association in a festulolium forage grass population containing genome-spanning Festuca pratensis chromosome segments in a Lolium perenne background.

B chromosomes are associated with redistribution of genetic recombination towards lower-recombination chromosomal regions in perennial ryegrass (2018)
Journal Article
Harper, J., Phillips, D., Thomas, A., Gasior, D., Evans, C., Powell, W., King, J., King, I., Jenkins, G., & Armstead, I. (2018). B chromosomes are associated with redistribution of genetic recombination towards lower-recombination chromosomal regions in perennial ryegrass. Journal of Experimental Botany, 69(8), https://doi.org/10.1093/jxb/ery052

Supernumerary ‘B’ chromosomes are non-essential components of the genome present in a range of plant and animal species – including many grasses. Within diploid and polyploid ryegrass and fescue species, including the forage grass perennial ryegrass... Read More about B chromosomes are associated with redistribution of genetic recombination towards lower-recombination chromosomal regions in perennial ryegrass.

Introgression of Aegilops speltoides segements in Triticum aestivum and the effect of the gametocidal genes (2017)
Journal Article
King, J., Grewal, S., Yang, C., Hubbart Edwards, S., Scholefield, D., Ashling, S., …King, I. P. (2018). Introgression of Aegilops speltoides segements in Triticum aestivum and the effect of the gametocidal genes. Annals of Botany, 121(12), https://doi.org/10.1093/aob/mcx149

• Background and Aims Bread wheat (Triticum aestivum) has been through a severe genetic bottleneck as a result of its evolution and domestication. It is therefore essential that new sources of genetic variation are generated and utilized. This study... Read More about Introgression of Aegilops speltoides segements in Triticum aestivum and the effect of the gametocidal genes.

Wheat landrace genome diversity (2017)
Journal Article
Wingen, L. U., West, C., Leverington-Waite, M., Collier, S., Orford, S., Goram, R., …Griffiths, S. (2017). Wheat landrace genome diversity. Genetics, 205(4), https://doi.org/10.1534/genetics.116.194688

Understanding the genomic complexity of bread wheat (Triticum aestivum L.) is a cornerstone in the quest to unravel the processes of domestication and the following adaptation of domesticated wheat to a wide variety of environments across the globe.... Read More about Wheat landrace genome diversity.

A step change in the transfer of interspecific variation into wheat from Amblyopyrum muticum (2016)
Journal Article
King, J., Grewal, S., Yang, C.-Y., Hubbart, S., Scholefield, D., Ashling, S., …King, I. P. (2017). A step change in the transfer of interspecific variation into wheat from Amblyopyrum muticum. Plant Biotechnology Journal, 15(2), 217-226. https://doi.org/10.1111/pbi.12606

Despite some notable successes, only a fraction of the genetic variation available in wild relatives has been utilized to produce superior wheat varieties. This is as a direct result of the lack of availability of suitable high-throughput technologie... Read More about A step change in the transfer of interspecific variation into wheat from Amblyopyrum muticum.

Generation of amphidiploids from hybrids of wheat and related species from the genera Aegilops, Secale, Thinopyrum and Triticum as a source of genetic variation for wheat improvement (2015)
Journal Article

We aim to improve diversity of domesticated wheat by transferring genetic variation for important target traits from related wild and cultivated grass species. The present study describes the development of F1 hybrids between wheat and related specie... Read More about Generation of amphidiploids from hybrids of wheat and related species from the genera Aegilops, Secale, Thinopyrum and Triticum as a source of genetic variation for wheat improvement.