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ambrosia cumanensis/carie dentaire
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First Report of Sclerotinia sclerotiorum on Common Ragweed (Ambrosia artemisiifolia) in Europe.
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Common ragweed (Ambrosia artemisiifolia L.) is reported as a host of Sclerotinia sclerotiorum (Lib.) de Bary in North America (2,4), but not in Europe. A Hungarian survey of fungal diseases of ragweed in 1994 did not find sclerotinia rot of common ragweed (A. artemisiifolia var. elatior (L.)
Four mycangium types and four genera of ambrosia fungi suggest a complex history of fungus farming in the ambrosia beetle tribe Xyloterini
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Ambrosia beetles farm fungal cultivars (ambrosia fungi) and carry propagules of the fungal mutualists in storage organs called mycangia, which occur in various body parts and vary greatly in size and complexity. The evolution of ambrosia fungi is closely tied to the evolution and development of the
Induction of nasal late-phase reactions by insufflation of ragweed-pollen extract.
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We studied changes in NAC in 17 ragweed-sensitive individuals after intranasal ragweed-challenge testing. All patients experienced immediate symptoms of sneezing, rhinorrhea, and nasal congestion that were associated with marked decreases in NAC (mean = 68%). In 10 trials patients also experienced
The effect of nasal provocation with a single-dose allergen on the physical and cognitive performance of patients with ragweed allergy.
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Purpose This study aims to compare the impact of active allergic rhinitis on physical and cognitive abilities of trained allergic athletes to untrained allergic patients. Methods Cognitive, respiratory, and fitness functions were assessed before and after allergen exposure. Participants in both
Attraction of Invasive Ambrosia Beetles (Coleoptera: Curculionidae: Scolytinae) to Ethanol-Treated Tree Bolts.
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Ethanol-treated bolts (tree stem sections) have potential as monitoring and pesticide screening tools for ambrosia beetles (Coleoptera: Curculionidae: Scolytinae). Bolts were infused with ethanol by immersing them for at least 24 h. Attacks on ethanol-treated bolts by Xylosandrus species were
A model of allergic nasal congestion in dogs sensitized to ragweed.
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BACKGROUND
Acoustic rhinometry is a noninvasive method that uses sound waves to measure dimensions of the nasal cavity.
METHODS
In this study, nasal patency was measured by acoustic rhinometry in allergic Beagle dogs sensitized to ragweed allergen. Ragweed (0.03-0.3%) or vehicle were administered
VTX-1463, a novel TLR-8 agonist, attenuates nasal congestion after ragweed challenge in sensitized beagle dogs.
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VTX-1463 is a selective toll-like receptor (TLR) 8 agonist that activates a subset of innate immune cells to produce a unique cytokine profile. Delivery of VTX-1463 via nasal spray may modulate the nasal response in allergic rhinitis. The aim of this study was to determine the effects of VTX-1463 on
A chemical treatment method for obtaining clean and intact pollen shells of different species.
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Pollen grains and plant spores have emerged as a novel biomaterial for a broad range of applications including oral drug and vaccine delivery, catalyst support, and removal of heavy metals. However, before pollens can be used, their intrinsic biomolecules, which occupy a large part of the pollen
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