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Robert Russell Monteith Paterson

Robert Russell Monteith Paterson

University of Minho, Portugal

Title: Mycotoxins and climate change: Future transformation


Biography: Robert Russell Monteith Paterson


Mycotoxins and climate change (CC) is a narrative of transition. It concerns three systems: Fungi, mycotoxins and crops, all of which will be in great flux. Fungi involved in mycotoxin production now and in the past will not remain the same hence, studying them as indicators of the future requires care. The fungi will be subjected to additional UV irradiation from increased sunlight and from more or higher concetrations of mutagenic mycotoxins leading to modified or new species with different optima for growth and mycotoxin production. Interactions with the environment such as the effects of temperature, CO2 and moisture, and other organisms will be different. Fungal taxonomy and physiology will have renaissances. Mycotoxins of concern will change and conventional ones may increase in concentration while contaminating unconventional crops. Currently, unimportant mycotoxins, or new ones, may become relevant, meaning that surveys of all possible mycotoxins must increase. Crops will not be able to grow in some regions, or become stressed, leading to greater mycotoxin contamination. However, some crops will grow in new regions with less contamination from the ‘parasites lost’ phenomenon. The climate for crops in storage can be modified in technologically-advanced countries, helpful for controlling mycotoxin production, although the fungi on the stored crops may be different from now. New technologies, concepts and equipment will be required to ameliorate the changes. Finally, there are more questions than answers with respect to mycotoxins and CC, although the consequences will be profound, unless CC can be greatly reduced.