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Browsing by Author "Ingle, Robert A"

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Characterisation of phytoalexin accumulation in maize inoculated with Cercospora zeina, the causal organism of grey leaf spot disease

Author: Ntuli, Jean Felistas Date: 2016 Grey Leaf Spot (GLS) is a fungal disease of Zea mays (maize) that is caused by Cercospora zeina. It thrives in sub-tropical climates and causes devastating crop losses of up to 60% in southern Africa where maize is grown as a staple food ... Read more
Characterisation of putative metal transport proteins in the nickel hyperaccumulator Senecio coronatus: investigating candidate genes for nickel tolerance and accumulation

Author: Cowlin, Ross Martin Date: 2017 The accumulation of exceptionally high concentrations of heavy metals in plant tissues is an extreme phenotypic trait that has evolved independently in multiple plant taxa. The majority of research undertaken in this area has been performed ... Read more
Characterisation of the AT4G11100 gene, a negative regulator of disease resistance in Arabidopsis thaliana

Author: McCrindle, Tyronne K Date: 2015 Plants have evolved a complex system of defence to prevent pathogen establishment. The Arabidopsis thaliana cir1 (constitutively induced resistance 1) mutant displays enhanced resistance to infection by the virulent bacterial pathogen Pseudomonas ... Read more
Defence responses of Arabidopsis thaliana to infection by Pseudomonas syringae are regulated by the circadian clock

Author: Bhardwaj, Vaibhav ; Meier, Stuart ; Petersen, Lindsay N ; Ingle, Robert A ; Roden, Laura C Date: 2011 The circadian clock allows plants to anticipate predictable daily changes in abiotic stimuli, such as light; however, whether the clock similarly allows plants to anticipate interactions with other organisms is unknown. Here we show that ... Read more c b
ERF5 and ERF6 play redundant roles as positive regulators of JA/Et-mediated defense against Botrytis cinerea in Arabidopsis

Author: Moffat, Caroline S ; Ingle, Robert A ; Wathugala, Deepthi L ; Saunders, Nigel J ; Knight, Heather ; Knight, Marc R Date: 2012 The ethylene response factor (ERF) family in Arabidopsis thaliana comprises 122 members in 12 groups, yet the biological functions of the majority remain unknown. Of the group IX ERFs, the IXc subgroup has been studied the most, and includes ... Read more c b
Increased resistance to biotrophic pathogens in the Arabidopsis constitutive induced resistance 1 mutant is EDS1 and PAD4-dependent and modulated by environmental temperature

Author: Carstens, Maryke ; McCrindle, Tyronne K ; Adams, Nicolette ; Diener, Anastashia ; Guzha, Delroy T ; Murray, Shane L ; Parker, Jane E ; Denby, Katherine J ; Ingle, Robert A Date: 2014 The Arabidopsis constitutive induced resistance 1 ( cir1 ) mutant displays salicylic acid (SA)-dependent constitutive expression of defence genes and enhanced resistance to biotrophic pathogens. To further characterise the role of CIR1 in ... Read more c b
Regulation of desiccation tolerance in Xerophyta seedlings and leaves

Author: Lyall, Rafe Date: 2016 A small, diverse group of angiosperms known as resurrection plants display vegetative desiccation tolerance and can survive loss of up to 95% of cellular water, a feat only seen in the seeds and pollen of other angiosperms. Xerophyta humilis ... Read more
The role of citrate in plant-pathogen interactions

Author: Hendry, Tia Lynne Date: 2016 Bacterial plant pathogens have evolved a wide range of mechanisms to suppress the immune response that they trigger in their hosts, including the production of effectors and phytotoxins. The tri-carboxylic acid citrate, which is secreted into ... Read more
The role of Iron Regulated 2 and Iron Regulated Transporter 1 in nickel hyperaccumulation traits in Senecio coronatus

Author: Mackay, Angus Date: 2017 Metal hyperaccumulating plants accumulate exceptionally high concentrations of metal ions in their above ground tissues and are defined as containing 1000 μg/g dry mass Co, Cu, Cr, Pb, Zn or Ni. This is remarkable because plants typically ... Read more
The window of desiccation tolerance shown by early-stage germinating seedlings remains open in the resurrection plant, Xerophyta viscosa

Author: Lyall, Rafe ; Ingle, Robert A ; Illing, Nicola Date: 2014 Resurrection plants are renowned for their vegetative desiccation tolerance (DT). While DT in vegetative tissues is rare in angiosperms, it is ubiquitous in mature orthodox seeds. During germination, seedlings gradually lose DT until they ... Read more c b