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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.

Chromosome-scale genome assembly of bread wheat’s wild relative Triticum timopheevii (2024)
Journal Article
Grewal, S., Yang, C.-Y., Scholefield, D., Ashling, S., Ghosh, S., Swarbreck, D., Collins, J., Yao, E., Sen, T. Z., Wilson, M., Yant, L., King, I. P., & King, J. (2024). Chromosome-scale genome assembly of bread wheat’s wild relative Triticum timopheevii. Scientific Data, 11(1), Article 420. https://doi.org/10.1038/s41597-024-03260-w

Wheat (Triticum aestivum) is one of the most important food crops with an urgent need for increase in its production to feed the growing world. Triticum timopheevii (2n = 4x = 28) is an allotetraploid wheat wild relative species containing the At and... Read More about Chromosome-scale genome assembly of bread wheat’s wild relative Triticum timopheevii.

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., Grewal, S., Wilson, L., & 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.

Assessing the potential of using the Langdon 5D(5B) substitution line for the introgression of Aegilops tauschii into durum wheat (2022)
Journal Article
Othmeni, M., Grewal, S., Walker, J., Yang, C.-Y., King, I. P., & King, J. (2022). Assessing the potential of using the Langdon 5D(5B) substitution line for the introgression of Aegilops tauschii into durum wheat. Frontiers in Plant Science, 13, Article 927728. https://doi.org/10.3389/fpls.2022.927728

Aegilops tauschii, the D-genome donor of hexaploid wheat, provides a source of genetic variation that could be used for tetraploid (durum) wheat improvement. In addition to the genes for wheat quality on the D-genome, which differentiate between brea... Read More about Assessing the potential of using the Langdon 5D(5B) substitution line for the introgression of Aegilops tauschii into durum 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.-Y., Walter, N., Ashling, S., Scholefield, D., Walker, J., Hubbart-Edwards, S., Hall, A., & 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.

Chromosome-specific KASP markers for detecting Amblyopyrum muticum segments in wheat introgression lines (2022)
Journal Article
Grewal, S., Coombes, B., Joynson, R., Hall, A., Fellers, J., Yang, C. Y., Scholefield, D., Ashling, S., Isaac, P., King, I. P., & King, J. (2022). Chromosome-specific KASP markers for detecting Amblyopyrum muticum segments in wheat introgression lines. Plant Genome, The, 15(1), Article e20193. https://doi.org/10.1002/tpg2.20193

Many wild-relative species are being used in prebreeding programs to increase the genetic diversity of wheat (Triticum aestivum L.). Genotyping tools such as single nucleotide polymorphism (SNP)-based arrays and molecular markers have been widely use... Read More about Chromosome-specific KASP markers for detecting Amblyopyrum muticum segments in wheat introgression lines.

Generation of Doubled Haploid Wheat-Triticum urartu Introgression Lines and Their Characterisation Using Chromosome-Specific KASP Markers (2021)
Journal Article
Grewal, S., Guwela, V., Newell, C., Yang, C. Y., Ashling, S., Scholefield, D., Hubbart-Edwards, S., Burridge, A., Stride, A., King, I. P., & King, J. (2021). Generation of Doubled Haploid Wheat-Triticum urartu Introgression Lines and Their Characterisation Using Chromosome-Specific KASP Markers. Frontiers in Plant Science, 12, Article 643636. https://doi.org/10.3389/fpls.2021.643636

Wheat is one of the most important food and protein sources in the world and although, in recent years wheat breeders have achieved yield gains, they are not sufficient to meet the demands of an ever-growing population. Development of high yielding w... Read More about Generation of Doubled Haploid Wheat-Triticum urartu Introgression Lines and Their Characterisation Using Chromosome-Specific KASP Markers.

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., King, J., Yang, C. Y., Griffiths, S., Wingen, L. U., Horsnell, R., Bentley, A. R., Shewry, P., Barker, G. L. A., & 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.

Compositional, thermal and water sorption properties of wheat flour: comparing wild-relatives v/s elite wheat varieties used in current plant breeding (2021)
Journal Article
Agarwal, D., MacNaughtan, W., King, J., & Foster, T. J. (2021). Compositional, thermal and water sorption properties of wheat flour: comparing wild-relatives v/s elite wheat varieties used in current plant breeding. Food and Function, 12(2), 781-790. https://doi.org/10.1039/d0fo02223c

Plant breeders are focused on creating new varieties of wheat with enhanced yield potential without affecting the quality of wheat for food. In this study, four cultivated varieties of wheat, Triticium asetivum and two wild relatives of wheat; Tritic... Read More about Compositional, thermal and water sorption properties of wheat flour: comparing wild-relatives v/s elite wheat varieties used in current plant breeding.

Novel sources of variation in grain yield, components and mineral traits identified in wheat amphidiploids derived from thinopyrum bessarabicum (Savul. & rayss) Á. löve (poaceae) under saline soils in India (2020)
Journal Article
Khokhar, J. S., Sareen, S., Tyagi, B. S., Wilson, L., Young, S., King, J., King, I., & Broadley, M. R. (2020). Novel sources of variation in grain yield, components and mineral traits identified in wheat amphidiploids derived from thinopyrum bessarabicum (Savul. & rayss) Á. löve (poaceae) under saline soils in India. Sustainability, 12(21), Article 8975. https://doi.org/10.3390/su12218975

© 2020 by the authors. Licensee MDPI, Basel, Switzerland. Salt-affected soils constrain wheat production globally. A wild wheat species, Thinopyrum bessarabicum (Savul. & Rayss) Á. Löve (Poaceae), and its derivatives are tolerant of high external NaC... Read More about Novel sources of variation in grain yield, components and mineral traits identified in wheat amphidiploids derived from thinopyrum bessarabicum (Savul. & rayss) Á. löve (poaceae) under saline soils in India.

Variation in key leaf photosynthetic traits across wheat wild relatives is accession dependent not species dependent (2020)
Journal Article
McAusland, L., Vialet‐Chabrand, S., Jauregui, I., Burridge, A., Hubbart-Edwards, S., Fryer, M. J., King, I. P., King, J., Pyke, K., Edwards, K. J., Carmo‐Silva, E., Lawson, T., & Murchie, E. H. (2020). Variation in key leaf photosynthetic traits across wheat wild relatives is accession dependent not species dependent. New Phytologist, 228(6), 1767-1780. https://doi.org/10.1111/nph.16832

©2020 The Authors. New Phytologist ©2020 New Phytologist Trust The wild relatives of modern wheat represent an underutilized source of genetic and phenotypic diversity and are of interest in breeding owing to their wide adaptation to diverse environm... Read More about Variation in key leaf photosynthetic traits across wheat wild relatives is accession dependent not species dependent.

Development of Wheat-Aegilops caudata Introgression Lines and Their Characterization Using Genome-Specific KASP Markers (2020)
Journal Article
Grewal, S., Othmeni, M., Walker, J., Hubbart Edwards, S., Yang, C. Y., Scholefield, D., Ashling, S., Isaac, P., King, I. P., & King, J. (2020). Development of Wheat-Aegilops caudata Introgression Lines and Their Characterization Using Genome-Specific KASP Markers. Frontiers in Plant Science, 11, Article 606. https://doi.org/10.3389/fpls.2020.00606

© Copyright © 2020 Grewal, Othmeni, Walker, Hubbart-Edwards, Yang, Scholefield, Ashling, Isaac, King and King. Aegilops caudata L. [syn. Ae. markgrafii (Greuter) Hammer], is a diploid wild relative of wheat (2n = 2x = 14, CC) and a valuable source fo... Read More about Development of Wheat-Aegilops caudata Introgression Lines and Their Characterization Using Genome-Specific KASP Markers.

Exploiting the genome of Thinopyrum elongatum to expand the gene pool of hexaploid wheat (2020)
Journal Article
Baker, L., Grewal, S., Yang, C. Y., Hubbart-Edwards, S., Scholefield, D., Ashling, S., Burridge, A. J., Przewieslik-Allen, A. M., Wilkinson, P. A., King, I. P., & King, J. (2020). Exploiting the genome of Thinopyrum elongatum to expand the gene pool of hexaploid wheat. TAG Theoretical and Applied Genetics, 133, 2213–2226. https://doi.org/10.1007/s00122-020-03591-3

© 2020, The Author(s). Key message: One hundred and thirty four introgressions from Thinopyrum elongatum have been transferred into a wheat background and were characterised using 263 SNP markers. Abstract: Species within the genus Thinopyrum have be... Read More about Exploiting the genome of Thinopyrum elongatum to expand the gene pool of hexaploid wheat.

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., Weerasinghe, M., Mossa, A., Griffiths, S., Riche, A. B., Hawkesford, M., Shewry, P., & 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.