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Fast growing fungi: a problem to be solved to achieve characterization of occupational exposure to fungi in cork industry

机译：快速生长的真菌：在软木工业中要实现职业性暴露于真菌的特性需要解决的问题

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摘要

Chrysonilia sitophila is a common mould in cork industry and has been identified as a cause of IgE sensitization and occupational asthma. This fungal species have a fast growth rate that may inhibit others species’ growth causing underestimated data from characterization of occupational fungal exposure. Aiming to ascertain occupationalexposure to fungi in cork industry, were analyzed papers from 2000 about the best air sampling method, to obtain quantification and identification of all airborne culturable fungi, besides the ones that have fast-growing rates. Impaction method don’t allows the collection of a representative air volume, because even with some media that restricts the growth of the colonies, in environments with higher fungal load, such as cork industry, the counting of the colonies is very difficult. Otherwise, impinger method permits the collection of a representative air volume, since we can make dilution of the collected volume. Besides culture methods that allows fungal identification trough macro- and micro-morphology, growth features, thermotolerance and ecological data, we can apply molecular biology with the impinger method, to detectthe presence of non-viable particles andpotential mycotoxin producers’ strains, and also to detect mycotoxins presence with ELISA or HPLC. Selection of the best air sampling method in each setting is crucial to achieve characterization of occupational exposure to fungi. Information about the prevalent fungal species in each setting and also the eventual fungal load it’s needed for a criterious selection.
机译：嗜小ry（Chrysonilia sitophila）是软木工业中常见的霉菌，已被确定为引起IgE致敏和职业性哮喘的原因。这种真菌的生长速度很快，可能会抑制其他物种的生长，从而导致从职业性真菌暴露特征中低估了数据。为了确定软木工业中真菌的职业暴露，对2000年以来关于最佳空气采样方法的论文进行了分析，以获取除快速增长的真菌外所有可传播的可培养真菌的定量和鉴定。碰撞法不允许收集有代表性的风量，因为即使使用某些会限制菌落生长的介质，在真菌载量较高的环境（例如软木塞工业）中，菌落的计数也非常困难。否则，因为我们可以稀释收集到的空气量，所以撞击器方法可以收集有代表性的空气量。除了可以通过宏观和微观形态识别真菌的培养方法，生长特征，耐热性和生态数据外，我们还可以将分子生物学与冲击器方法结合使用，以检测不存在的颗粒和潜在的霉菌毒素生产者的菌株，以及通过ELISA或HPLC检测真菌毒素的存在。在每种情况下选择最佳的空气采样方法，对于表征职业性真菌接触至关重要。有关每种设置中普遍存在的真菌种类的信息，以及进行严格选择所需的最终真菌负荷。

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