Registration of ‘USU‐Apogee’ Wheat

Bugbee, Bruce; Koerner, G.; Albrechtsen, R. S.; Dewey, W. G.; Clawson, S

doi:10.2135/cropsci1997.0011183x003700020053x

Cited by 29 publications

(25 citation statements)

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“…Cultivar Apogee-a rapidly maturing and FHB-susceptible variety of wheat-was used. 29,30 FG08 pre-treatment of Apogee spikelet florets at concentrations as low as 5 and 30 mg ml À1 reduced the rate of spikelet infection by 29 and 49%, respectively, over controls that were not pretreated with FG08 ( Figure 5). FG08 pretreatments at 1080 mg ml À1 reduced disease incidence by 82%.…”

Section: Resultsmentioning

confidence: 96%

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Antibacterial to antifungal conversion of neamine aminoglycosides through alkyl modification. Strategy for reviving old drugs into agrofungicides

et al. 2010

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Many Actinomycetes aminoglycosides are widely used antibiotics. Although mainly antibacterials, a few known aminoglycosides also inhibit yeasts, protozoans and important crop pathogenic fungal oomycetes. Here we show that attachment of a C8 alkyl chain to ring III of a neamine-based aminoglycoside specifically at the 4 00 -O position yields a broad-spectrum fungicide (FG08) without the antibacterial properties typical for aminoglycosides. Leaf infection assays and greenhouse studies show that FG08 is capable of suppressing wheat fungal infections by Fusarium graminearum-the causative agent of Fusarium head blight-at concentrations that are minimally phytotoxic. Unlike typical aminoglycoside action of ribosomal protein translation miscoding, FG08's antifungal action involves perturbation of the plasma membrane. This antibacterial to antifungal transformation could pave the way for the development of a new class of aminoglycoside-based fungicides suitable for use in crop disease applications. In addition, this strategy is an example of reviving a clinically obsolete drug by simple chemical modification to yield a new application.

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Section: Resultsmentioning

confidence: 96%

“…Rapid-maturing cultivar Apogee 29,30 was grown for 5-6 weeks in a greenhouse to the flowering stage. Florets (one per spikelet) were treated with a solution of FG08 (10 ml, 5 and 1080 mg ml À1 , and then inoculated with suspension of F. graminearum macroconidia (10 ml, 10 5 conidia ml À1 ).…”

Section: Fhb Disease Suppressionmentioning

confidence: 99%

Antibacterial to antifungal conversion of neamine aminoglycosides through alkyl modification. Strategy for reviving old drugs into agrofungicides

et al. 2010

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“…Igri, soft winter wheat cv. Akteur and the laboratory model wheat variety USU Apogee (Bugbee et al 1997) infected with U. nuda or U. tritici, respectively. While the 'Danuta' seed lot was naturally infected, the infections of the other seed lots were derived from floret inoculations by syringe performed at flowering (Poehlmann 1945).…”

Section: Plant Materials and Determination Of Seed Infectionmentioning

confidence: 99%

Assessment of the loose smut fungi (Ustilago nuda and U. tritici) in tissues of barley and wheat by fluorescence microscopy and real-time PCR

Wunderle¹,

Leclerque²,

Schaffrath

et al. 2012

Eur J Plant Pathol

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Loose smut fungi of barley and wheat (Ustilago nuda and U. tritici, respectively) colonize the plant without causing obvious disease symptoms before heading. The availability of diagnostic methods to detect and follow the growth of these pathogens in the plant would therefore be highly advantageous for both resistance breeding and the development of effective seed treatments. Using seed lots of barley and wheat highly infected with loose smut, we studied the early establishment of the loose smut pathogens in the plant by fluorescence microscopy. In hand-cut sections stained with the fluorochrome Blankophor®, fungal hyphae were observed to invade the shoot apical meristem and leaf primordia during the first days after the onset of germination. At the first node stage the ear and leaf primordia were generally extensively colonized. Hyphae of U. nuda were also regularly observed in high density in the nodes. A protocol was developed for the specific amplification of U. nuda and U. tritici DNA extracted from infected plant tissue. PCR screening of U nuda in seedlings from infected and healthy seed lots was compared to ELISA, microscopy and ultimately head infection of mature plants derived from tillers of the tested seedlings. The results indicated that a prediction of loose smut infection by real-time PCR is possible at the second leaf stage, and that the assay is equally suited for use with spring and winter varieties of barley and wheat.

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“…To support this mission, a self-sustaining, closed-loop food system needs to be established. Space constraints have led to the development of two super-dwarf candidate cultivars of wheat, Apogee and Perigee (5,6). These crops have a high yield, extremely short height, and a minimum amount of inedible biomass, but they were not specifi cally selected for structural and functional properties needed for quality food production.…”

Section: Introductionmentioning

confidence: 99%

Composition and Functional Properties of Apogee and Perigee Compared to Common Terrestrial Wheat Cultivars

Stoklosa¹,

Weiss²,

Bugbee³

et al. 2009

habitation (elmsford)

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Apogee and Perigee super-dwarf wheat cultivars were developed to maximize seed production and minimize biomass waste. In this study, the composition and functional properties of these super-dwarf wheats were characterized and compared to three common terrestrial wheat cultivars: Parshall, Yecora Rojo, and Yavaros 79. The effects of environment (fi eld vs. hydroponic) were also determined. Proximate composition was determined using Association of Analytical Chemists (AOAC) methods, and functional attributes were evaluated by mixograph analyses and pasting profi les. Additional analyses determined: antioxidant capacity, protein profi le, non-protein nitrogen, lipid oxidation, and starch damage. Apogee and Perigee were compositionally and functionally different from the terrestrial cultivars and from each other, and growth conditions had a signifi cant impact on properties. Based on the nutrient profi les and functional traits evaluated, Apogee is a more suitable candidate wheat crop than Perigee for a NASA advanced food system.

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Registration of ‘USU‐Apogee’ Wheat

Cited by 29 publications

References 0 publications

Antibacterial to antifungal conversion of neamine aminoglycosides through alkyl modification. Strategy for reviving old drugs into agrofungicides

Antibacterial to antifungal conversion of neamine aminoglycosides through alkyl modification. Strategy for reviving old drugs into agrofungicides

Assessment of the loose smut fungi (Ustilago nuda and U. tritici) in tissues of barley and wheat by fluorescence microscopy and real-time PCR

Composition and Functional Properties of Apogee and Perigee Compared to Common Terrestrial Wheat Cultivars

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