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RISS 인기검색어
- 검색키워드
- 저자 : Wan-Rou Lin (검색결과 2 건)
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Does Spore Count Matter in Fungal Allergy?: The Role of Allergenic Fungal Species
Wan-Rou Lin,Yi-Hsing Chen,Mey-Fann Lee,Ling-Yi Hsu,Chih-Jen Tien,Feng-Ming Shih,Shih-Ching Hsiao,Pi-Han Wang 대한천식알레르기학회 2016 Allergy, Asthma & Immunology Research Vol.8 No.5
Purpose: Fungi have been known to be important aeroallergens for hundreds of years. Most studies have focused on total fungal concentration; however, the concentration of specific allergenic fungi may be more important on an individual basis. Methods: Ten fungal allergic patients and 2 non-fungal allergic patients were enrolled. The patients with a decrease in physician or patient global assessment by more than 50% of their personal best were considered to have an exacerbation of allergic symptoms and to be in the active stage. Those who maintained their physician and patient global assessment scores at their personal best for more than 3 months were considered to be in the inactive stage. The concentrations of dominant fungi in the patients’ houses and outdoors were measured by direct and viable counts at active and inactive stages. Results: The exacerbation of allergic symptoms was not correlated with total fungal spore concentration or the indoor/outdoor ratio (I/O). Specific fungi, such as Cladosporium oxysporum (C. oxyspurum), C. cladosporioides, and Aspergillus niger (A. niger), were found to be significantly higher concentrations in the active stage than in the inactive stage. Presumed allergenic spore concentration threshold levels were 100 CFU/m3 for C. oxysporum, and 10 CFU/m3 for A. niger, Penicillium brevicompactum and Penicillium oxalicum. Conclusions: The major factor causing exacerbation of allergic symptoms in established fungal allergic patients may be the spore concentration of specific allergenic fungi rather than the total fungal concentration. These results may be useful in making recommendations as regards environmental control for fungal allergic patients.
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Lei-Chen Lin,Wan-Rou Lin,Yu-Chen Hsu,Hung-Yu Pan 한국원예학회 2020 원예과학기술지 Vol.38 No.5
Rhododendron kanehirae Wilson is an endemic species of Taiwan that is listed as extinct in the wild by the Red List of Vascular Plants of Taiwan. R. kanehirae seedlings can form mycorrhizae with the ericoid mycobiont Oidiodendron maius. A completely randomized experimental design was conducted to investigate the effects of three different O. maius isolates (strains CBS110450, RhYM3, and RooDK1) as well as nitrate and ammonium (inorganic nitrogen) on the growth of R. kanehirae by evaluating height and shoot, root, and total fresh weight. Three isolates of O. maius showed different colony morphology and growth rate, which was further verified by molecular analysis. The results showed that application of ammonium fertilizer improved the height and shoot, root, and total fresh weight of all of the R. kanehirae seedlings. Among them, seedlings inoculated with RhYM3 had the highest fresh weights and heights. By applying an appropriate amount of nitrogen combined with RhYM3 inoculation, the rhizome of R. kanehirae grew well. The information provided here is crucial for the conservation of R. kanehirae, as this species is on the verge of extinction.
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