Variation of airspora in the atmosphere due to weather conditions

Lyon, Frank L.; Kramer, C. L.; Eversmeyer, M. G.

doi:10.1080/00173138409427713

Cited by 56 publications

(41 citation statements)

References 21 publications

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“…It was reported that light triggered fungal spores release in several fungi, and light was required to initiate ascopore discharge in many of the bitunicate fungi (Leach, 1975;Lyon et al, 1984;Li and Kendrick, 1994). The study of Salvaggio and Aukrust (1981) showed that conidia of Cladosporium and Alternaria were often abundant during midday periods with maximal sunlight.…”

Section: Discussionmentioning

confidence: 99%

Culturable airborne fungi in outdoor environments in Beijing, China

Fang

Ouyang

et al. 2005

Science of The Total Environment

147

101

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Airborne fungi are being proposed as a cause of adverse health effects. They may adversely affect human health through allergy, infection, and toxicity. Moreover, they have a great influence on urban air quality in Beijing. In this study, a systematical survey on the culturable airborne fungi was carried out for 1 year in Beijing urban area. Fungal samples were collected for 3 min, three times each day, and continued for three consecutive days of each month with FA-1 sampler from three sampling sites. Results showed that the culturable fungal concentrations ranged from 24 CFU (Colony forming units) /m 3 to 13960 CFU/m 3 , and the mean and median was 1165 CFU/m 3 and 710 CFU/m 3 , respectively. Fungal concentrations in the greener area around the Research Center for Eco-Environmental Sciences (RCEES) and Beijing Botanical Garden (BBG) were significantly higher than in the densely urban and highly trafficked area of Xizhimen (XZM) (***Pb0.001), but no significant difference was found between RCEES and BBG ( PN0.05). The variation of fungal concentrations in different seasons was significant in RCEES and BBG, where the concentrations were higher in Summer and Autumn, and lower in Spring and Winter. However, there were no significant differences in fungal concentrations between the Spring and the Winter for three sampling sites ( PN0.05). Fourteen genera, including 40 species of culturable fungi, were identified in this study. Penicillium, with the most abundant species, which comprised more than 50% of the total isolated fungal species. Cladosporium were the most dominant fungal group, and contributed to more than one third of the total fungal concentration, followed by non-sporing isolates, Alternaria, Pencillium and Asperigillus. The concentration percentage of Cladosporium was significantly higher in RCEES than in XZM (*Pb0.05), and the concentration percentages of Penicillium (**Pb0.01) and Aspergillus (*Pb0.05) were higher in XZM than in RCEES and in BBG. For other groups' concentration percentages, no significant differences were observed among the sampling sites. The distribution pattern of airborne fungi presented log-normal distribution. The highest proportion of culturable fungi was detected in stage 4 (2.0-3.5 Am), and the lowest was in stage 6 (b1.0 Am). D

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Section: Discussionmentioning

confidence: 99%

Culturable airborne fungi in outdoor environments in Beijing, China

Fang

Ouyang

et al. 2005

Science of The Total Environment

147

101

View full text Add to dashboard Cite

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“…Changes in relative humidity levels were found to affect fungal spore release of different fungal phyla. Rainfall affected positively the release and dispersal of Basidiomycetes (Lyon et al, 1984).…”

Section: Worldwide Relevant Aeromycological Studiesmentioning

confidence: 99%

“…Mean rainfall during the study period was the highest throughout the year, the spores of basidiomycetes are wet spores and their dispersal was mainly and directly affected by the precipitation (Lyon et al, 1984). Sufficient moisture, either during rainfall or when humidity increases is required for the spore production of Ganoderma (Ho et al, 2005;Stępalska & Wołek, 2009).…”

Section: Diurnal Variation Of Fungal Spore Populations In the Atmosphmentioning

confidence: 99%

Dynamics (seasonal and intra-diurnal) of air-borne fungal spore population of Doha area, Qatar

Fayad

2016

Qatar University Life Science Symposium 2016: Biodiversity, Sustainability and Climate Change, With Perspectives From Qatar

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“…La correlación positiva de la velocidad del viento ha sido puesta de manifiesto también por Burch & Levetin (2002) y por Calderón et al (1997). Sin embargo, Lyon et al (1984) encontraron una correlación negativa entre la velocidad del viento y la concentración de conidios. Hjelmroos (1993) mostró una correlación positiva con la temperatura y precipitación.…”

Section: Discussionunclassified

Ocurrencia de Cladosporium en la atmósfera de la Plaza San Martín de Lima y su relación con algunos factores meteorológicos

Ramos

Meza

2018

Ecol. apl.

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ResumenEl objetivo de este estudio fue detectar el hongo alergénico Cladosporium en la atmósfera de la Plaza San Martín de Lima (Perú) y analizar la influencia de las variables meteorológicas sobre su concentración. El muestreo del aire se ha realizado utilizando un equipo de impacto volumétrico tipo Andersen de una sola etapa. Se observó que los conidios de Cladosporium estuvieron presentes en la atmósfera durante todo el período de estudio, sin embargo, las concentraciones más altas se observaron en los meses de marzo y septiembre. Se ha encontrado una correlación estadística positiva entre la concentración de conidios de Cladosporium y la velocidad del viento e índice UV. El efecto de la temperatura del aire presentó una débil correlación positiva sobre la concentración de Cladosporium a diferencia de la humedad relativa que presentó una correlación negativa. La identificación de los factores climáticos que favorecen la liberación de conidios puede mejorar significativamente los métodos actuales de prevención de la alergia, la detección temprana de infecciones en plantas o enfermedades respiratorias en humanos. Palabras clave: bioaerosol, conidios, esporas, alergia, variables climáticas. AbstractThe objective of this study was to detect the allergenic fungus Cladosporium in the atmosphere of the Plaza San Martín of Lima (Perú) and to analyze the influence of the meteorological variables on its concentration. Air sampling was performed using a one-stage Andersen type volumetric impact equipment. Cladosporium conidia are present in the atmosphere of Plaza San Martín throughout the study period, however, the highest concentrations were observed in the months of March and September. A positive statistical correlation was found between the concentration of Cladosporium conidia and the wind speed and UV index. The effect of the air temperature showed a weak positive correlation on the concentration of Cladosporium, however, the relative humidity presented a negative correlation. Identification of climatic factors favoring the release of conidia may improve current methods of allergy prevention, early detection of plant infections or respiratory diseases in humans.

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Variation of airspora in the atmosphere due to weather conditions

Cited by 56 publications

References 21 publications

Culturable airborne fungi in outdoor environments in Beijing, China

Culturable airborne fungi in outdoor environments in Beijing, China

Dynamics (seasonal and intra-diurnal) of air-borne fungal spore population of Doha area, Qatar

Ocurrencia de Cladosporium en la atmósfera de la Plaza San Martín de Lima y su relación con algunos factores meteorológicos

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