Alex Johnson

Annotation and Molecular Characterisation of the TaIRO3 and TaHRZ Iron Homeostasis Genes in Bread Wheat (Triticum aestivum L.)

Oscar Carey-Fung, Jesse T Beasley, Alexander AT Johnson

Journal article  |  2021  |  GENES

Effective maintenance of plant iron (Fe) homoeostasis relies on a network of transcription factors (TFs) that respond to environme..

Effect of Rice GDP-L-Galactose Phosphorylase Constitutive Overexpression on Ascorbate Concentration, Stress Tolerance, and Iron Bioavailability in Rice

Ronan C Broad, Julien P Bonneau, Jesse T Beasley, Sally Roden, Pawel Sadowski, Nathaniel Jewell, Chris Brien, Bettina Berger, Elad Tako, Raymond P Glahn, Roger P Hellens, Alexander AT Johnson

Journal article  |  2020  |  FRONTIERS IN PLANT SCIENCE

Ascorbate (vitamin C) is an essential multifunctional molecule for both plants and mammals. In plants, ascorbate is the most abund..

Manipulation of Ascorbate Biosynthetic, Recycling, and Regulatory Pathways for Improved Abiotic Stress Tolerance in Plants

Ronan C Broad, Julien P Bonneau, Roger P Hellens, Alexander AT Johnson

Journal article  |  2020  |  INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES

Abiotic stresses, such as drought, salinity, and extreme temperatures, are major limiting factors in global crop productivity and ..

Nicotianamine-chelated iron positively affects iron status, intestinal morphology and microbial populations in vivo (Gallus gallus)

Jesse T Beasley, Alexander AT Johnson, Nikolai Kolba, Julien P Bonneau, Raymond P Glahn, Lital Ozeri, Omry Koren, Elad Tako

Journal article  |  2020  |  SCIENTIFIC REPORTS

Wheat flour iron (Fe) fortification is mandatory in 75 countries worldwide yet many Fe fortificants, such as Fe-ethylenediaminetet..

Are the current gRNA ranking prediction algorithms useful for genome editing in plants?

Fatima Naim, Kylie Shand, Satomi Hayashi, Martin O'Brien, James McGree, Alexander AT Johnson, Benjamin Dugdale, Peter M Waterhouse

Journal article  |  2020  |  PLOS ONE

Introducing a new trait into a crop through conventional breeding commonly takes decades, but recently developed genome sequence m..

Genome-wide identification and characterization of the GDP-L-galactose phosphorylase gene family in bread wheat

Ronan C Broad, Julien P Bonneau, Jesse T Beasley, Sally Roden, Joshua G Philips, Ute Baumann, Roger P Hellens, Alexander AT Johnson

Journal article  |  2019  |  BMC PLANT BIOLOGY

BACKGROUND: Ascorbate is a powerful antioxidant in plants and an essential micronutrient for humans. The GDP-L-galactose phosphory..

Wheat wounding-responsive HD-Zip IV transcription factor GL7 is predominantly expressed in grain and activates genes encoding defensins

Nataliya Kovalchuk, Wei Wu, Natalia Bazanova, Nicolas Reid, Rohan Singh, Neil Shirley, Omid Eini, Alexander AT Johnson, Peter Langridge, Maria Hrmova, Sergiy Lopato

Journal article  |  2019  |  PLANT MOLECULAR BIOLOGY

KEY MESSAGE: Several classes of transcription factors are involved in the activation of defensins. A new type of the transcription..

Wheat wounding-responsive HD-Zip IV transcription factor GL7 is predominantly expressed in grain and activates genes encoding defensins (vol 101, pg 41, 2019)

Nataliya Kovalchuk, Wei Wu, Natalia Bazanova, Nicolas Reid, Rohan Singh, Neil Shirley, Omid Eini, Alexander AT Johnson, Peter Langridge, Maria Hrmova, Sergiy Lopato

Journal article  |  2019  |  PLANT MOLECULAR BIOLOGY

Due to an unfortunate turn of events, the panels O to S are missing in Fig. 8 of the original publication. The correct Fig. 8 and ..

Metabolic engineering of bread wheat improves grain iron concentration and bioavailability

Jesse T Beasley, Julien P Bonneau, Jose T Sanchez-Palacios, Laura T Moreno-Moyano, Damien L Callahan, Elad Tako, Raymond P Glahn, Enzo Lombi, Alexander AT Johnson

Journal article  |  2019  |  PLANT BIOTECHNOLOGY JOURNAL

Bread wheat (Triticum aestivum L.) is cultivated on more land than any other crop and produces a fifth of the calories consumed by..

Investigation of Nicotianamine and 2 ' Deoxymugineic Acid as Enhancers of Iron Bioavailability in Caco-2 Cells

Jesse T Beasley, Jonathan J Hart, Elad Tako, Raymond P Glahn, Alexander AT Johnson

Journal article  |  2019  |  NUTRIENTS

Nicotianamine (NA) is a low-molecular weight metal chelator in plants with high affinity for ferrous iron (Fe2+) and other divalen..