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Linkage Projects - Grant ID: LP130100785

Title
Linkage Projects - Grant ID: LP130100785
Funding
ARC | Linkage Projects
Contract (GA) number
LP130100785
Start Date
2013/01/01
End Date
2016/12/31
Open Access mandate
no
Organizations
-
More information
http://purl.org/au-research/grants/arc/LP130100785

 

  • Characterisation of the nicotianamine aminotransferase and deoxymugineic acid synthase genes essential to Strategy II iron uptake in bread wheat (Triticum aestivum L.)

    Beasley, Jesse T.; Bonneau, Julien P.; Johnson, Alexander A. T. (2017)
    Projects: ARC | Linkage Projects - Grant ID: LP130100785 (LP130100785)
    Iron (Fe) uptake in graminaceous plant species occurs via the release and uptake of Fe-chelating compounds known as mugineic acid family phytosiderophores (MAs). In the MAs biosynthetic pathway, nicotianamine aminotransferase (NAAT) and deoxymugineic acid synthase (DMAS) enzymes catalyse the formation of 2'-deoxymugineic acid (DMA) from nicotianamine (NA). Here we describe the identification and characterisation of six TaNAAT and three TaDMAS1 genes in bread wheat (Triticum aestivum L.). The ...

    Identification and molecular characterization of the nicotianamine synthase gene family in bread wheat

    Bonneau, Julien; Baumann, Ute; Beasley, Jesse; Li, Yuan; Johnson, Alexander A. T. (2016)
    Projects: ARC | Linkage Projects - Grant ID: LP130100785 (LP130100785)
    Summary Nicotianamine (NA) is a non‐protein amino acid involved in fundamental aspects of metal uptake, transport and homeostasis in all plants and constitutes the biosynthetic precursor of mugineic acid family phytosiderophores (MAs) in graminaceous plant species. Nicotianamine synthase (NAS) genes, which encode enzymes that synthesize NA from S‐adenosyl‐L‐methionine (SAM), are differentially regulated by iron (Fe) status in most plant species and plant genomes have been found to contain any...

    Diurnal Changes in Transcript and Metabolite Levels during the Iron Deficiency Response of Rice

    Selby-Pham, Jamie; Lutz, Adrian; Moreno-Moyano, Laura T.; Boughton, Berin A.; Roessner, Ute; Johnson, Alexander A. T. (2017)
    Projects: ARC | Linkage Projects - Grant ID: LP130100785 (LP130100785)
    Background Rice (Oryza sativa L.) is highly susceptible to iron (Fe) deficiency due to low secretion levels of the mugineic acid (MA) family phytosiderophore (PS) 2′-deoxymugineic acid (DMA) into the rhizosphere. The low levels of DMA secreted by rice have proved challenging to measure and, therefore, the pattern of DMA secretion under Fe deficiency has been less extensively studied relative to other graminaceous monocot species that secrete high levels of PS, such as barley (Hordeum vulgare ...
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