Airborne Cladosporium and Alternaria spore concentrations through 26 years in Copenhagen, Denmark

Olsen, Yulia; Skjøth, C.; Hertel, Ole; Rasmussen, Karen; Sigsgaard, Torben; Gosewinkel, Ulrich

doi:10.1007/s10453-019-09618-7

Cited by 23 publications

(13 citation statements)

References 64 publications

(92 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…However, the maximum Seasonal Spore Integral (SSIn) of Cladosporium was relatively high in this study when compared with other studies around Europe [15,57,60]. This trend is the opposite to that found in Denmark [55], where the SsIn has been stable since the 1990s with a decrease in the peak concentrations.…”

Section: Airborne Fungal Spore Monitoringcontrasting

confidence: 97%

“…However, a study was published during this time in Ireland, providing a good point of comparison [20]. The seasonal fructification periods found in this study were concentrated in the spring and summer months, coinciding with results obtained in the historical studies [55], the most recent studies in similar latitudes [8,29,56], as well as around the Mediterranean area as well as in comparison with work undertaken in the same decade [57][58][59]. In Galway, the highest concentrations of fungal spores were observed during the months of July and August [20].…”

Section: Airborne Fungal Spore Monitoringsupporting

confidence: 87%

“…While different studies have assessed historical, seasonal fungal spore distribution [55] data are often limited to the late 1980s or early 1990s, further highlighting the importance of the present study. However, a study was published during this time in Ireland, providing a good point of comparison [20].…”

Section: Airborne Fungal Spore Monitoringmentioning

confidence: 99%

See 2 more Smart Citations

First Long-Time Airborne Fungal Spores Study in Dublin, Ireland (1978–1980)

et al. 2022

View full text Add to dashboard Cite

Ambient fungal spores within the atmosphere can contribute to a range of negative human, animal and plant health conditions and diseases. However, trends in fungal spore seasonality, species prevalence, and geographical origin have been significantly understudied in Ireland. Previously unpublished data from the late 1970s have recently been collected and analysed to establish historical fungal spore trends/characteristics for Dublin. Historical spore concentrations were largely dominated by Alternaria, Ascospores, Basidiospores, Botrytis, Cladosporium, Erysiphe and Rusts. The main fungal spore season for Dublin commenced in April with the fructification of Scopulariopsis and Ganoderma. However, the vast majority of other spore types did not reach peak spore release until late summer. The correlation between ambient spore concentration, and meteorological parameters was examined using Multivariable Regression Tree (MRT) analysis. The notable correlations found for fungal spore concentrations tended to involve temperature-based parameters. The use of a non-parametric wind regression was also employed to determine the potential geographical origin of ambient fungal spores. The impact of wind direction, and high windspeed on fungal spores was established, ultimately highlighting the importance of studying and monitoring fungal spores within Ireland, rather than attempting to rely on data from other regions, as most fungal spores collected in Dublin appeared to originate from within the island.

show abstract

Section: Airborne Fungal Spore Monitoringcontrasting

confidence: 97%

Section: Airborne Fungal Spore Monitoringsupporting

confidence: 87%

See 1 more Smart Citation

First Long-Time Airborne Fungal Spores Study in Dublin, Ireland (1978–1980)

et al. 2022

View full text Add to dashboard Cite

show abstract

“…According to research of G. Apangy et al, significantly higher concentrations of spores in the UK are observed in August, due to the large number of grains and oilseeds in these regions [11]. The same trend is observed in the studies of Danish scientists Y. Olsen et al, where high concentrations of spores are observed in August [12]. The authors also explain this in terms of the location close to agricultural sources and the harvest period.…”

Section: Discussionmentioning

confidence: 56%

Aeromonitoring of Alternaria spores in the air of Zaporizhzhia city

Гавриленко

Prykhodko

Lyakh

et al. 2022

ZMJ

View full text Add to dashboard Cite

The aim of the study was to determine the patterns of changes in the concentration of mold spores of the genus Alternaria in the air of Zaporizhzhia city. Materials and methods. The object of the study was the dynamics of Alternaria spore concentration in the atmospheric air of Zaporizhzhia city. The study was carried out at the Department of Medical Biology, Parasitology and Genetics of Zaporizhzhia State Medical University. Samples were taken annually from March 1 to October 31 by volumetric method using a Hirst-type trap. The device is yearly certified by the state metrological service with certificates. The samples were analyzed using a light microscope at ×400 magnification using the method of vertical transects. The results of the research were processed by applying the Statistica® for Windows 13.0 licensed software package. Results. The seasonal dynamics of fungal spores of the genus Alternaria in the atmospheric air of Zaporizhzhia was analyzed over several years: from 2015 to 2020. The beginning, end and duration of sporulation, maximum values were determined. Conclusions. Analyzing the average daily (for six years) indicators of the spore number in the air of Zaporizhzhia city, it can be concluded that their distribution is normal throughout the year, which corresponds to the intensity of spore formation, depending on changes in meteorological conditions, that is, an almost equally symmetric range from the optimum, which falls on the beginning of June and is associated with an increase in precipitation in this region. Thus, an average of 17 256 spores/m3 were determined over six years. The maximum number of spores was 680 spores/m3 (6.07). The average day fell on July 25, σ = 37.1. In general, sporulation lasted 119 days. Peak concentrations were recorded in summer and autumn.

show abstract

“…The aim of the present study was to investigate the relationship between spore concentrations of Cladosporium and Alternaria , i.e. two most prominent outdoor fungal genera in Europe 39 and Denmark 40 . Both genera are present at the highest concentrations in late summer which coincides with a peak of allergic asthma in Denmark 41 .…”

Section: Introductionmentioning

confidence: 98%

Outdoor Alternaria and Cladosporium spores and acute asthma

Olsen,

Arildskov,

Hansen

et al. 2023

Clin Experimental Allergy

Self Cite

View full text Add to dashboard Cite

BackgroundOutdoor Alternaria and Cladosporium spores are ubiquitous. Few studies have assessed their impact on asthma hospitalizations providing conflicting results, mainly focused on vulnerable paediatric populations. We aimed to study the impact of outdoor Alternaria and Cladosporium concentrations on acute hospitalizations in the Capital Region of Denmark.MethodsThis is a bi‐directional case‐crossover study with 26 years of national registry data at individual level on acute asthma hospitalizations and daily average data on Alternaria and Cladosporium, pollen (Artemisia, Poaceae), maximal temperature, and air pollution. Conditional logistic regression models were applied to assess the associations. Concentration quartiles at lag 0 were used for categorizing the exposure.ResultsFor lags 0–2, the odds of hospitalization were significantly higher for both Alternaria and Cladosporium at concentration quartile 2–4 compared with quartile 1. When stratified for age and sex, odds of hospitalization at Alternaria quartiles 2–4 were significantly higher in males below 40 years at lag 0–2, and at lag 0 in females (18–30 years), while quartiles 2–4 of Cladosporium concentrations were associated with significantly higher odds in boys (0–17 years) at lag 1–3, males (18–39 years) at lag 0–1, females (18–39 years) at lag 1–2, males (40–64 years) at lag 0–2, females (40–64 years) at lag 0 and 2, in seniors (65+ years) male at lag 1–2 and female at lag 0–1. The effect of Alternaria varied significantly depending on the level of Cladosporium (p < .0001).ConclusionAmbient Alternaria and Cladosporium spores can induce asthma hospitalizations. Males are more susceptible to both genera. Males and females under age 40 years are more susceptible to Alternaria.

show abstract

Airborne Cladosporium and Alternaria spore concentrations through 26 years in Copenhagen, Denmark

Cited by 23 publications

References 64 publications

First Long-Time Airborne Fungal Spores Study in Dublin, Ireland (1978–1980)

First Long-Time Airborne Fungal Spores Study in Dublin, Ireland (1978–1980)

Aeromonitoring of Alternaria spores in the air of Zaporizhzhia city

Outdoor Alternaria and Cladosporium spores and acute asthma

Contact Info

Product

Resources

About