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Self mutagens affect detrimentally PCR analysis of food fungi by creating poten...

Versão aceite em 2013 ; Analysing fungi from food by PCR is increasing rapidly. However, food fungi produce mutagens which may mutate the fungi in culture so that fungi which produce mycotoxins may have a negative PCR result for genes in the mycotoxin metabolic pathway and vice versa: It is impossible to state unequivocally that the current PCR results obtained are accurate. For example, food containing a myco...

Biochemical mutagens affect the preservation of fungi and biodiversity estimations

Many fungi have significant industrial applications or biosafety concerns and maintaining the original characteristics is essential. The preserved fungi have to represent the situation in nature for posterity, biodiversity estimations, and taxonomic research. However, spontaneous fungal mutations and secondary metabolites affecting producing fungi are well known. There is increasing interest in the preservation...

Interaction with Penicillium expansum enhances Botrytis cinerea growth in grape...

Interactions between fungi occur when they grow on the same host plant. This is the case of Botrytis cinerea and Penicillium expansum on grape. P. expansum is also responsible for production of the mycotoxin patulin. In this study, the influence of the interaction between both fungi on fungal growth parameters was studied as well as the effect on the accumulation of patulin by P. expansum. For that purpose, spo...

How will climate change affect oil palm fungal diseases?

Palm oil is a very important commodity. It is added to numerous products and is a biofuel. However, oil palms (OP) are subjected to fungal diseases of which Fusarium wilt and Ganoderma rots are the most important. Considerations of how climate change (CC) affects tropical economic plants are limited and for OP are even fewer. The margin for adapting to higher temperatures and changing humidity is reduced in tro...

Biofilms from a Brazilian water distribution system include filamentous fungi

Filamentous fungi in drinking water can block water pipes, can cause organoleptic biodeterioration, and are a source of pathogens. There are increasing reports of the involvement of the organisms in biofilms. This present study describes a sampling device that can be inserted directly into pipes within water distribution systems, allowing biofilm formation in situ. Calcofluor White M2R staining and fluorescent ...

A decade of mycotoxin research at the Institute of Biotechnology and Bioenginee...

Letter to the editor : self inhibitors and mutagens affect fungal PCR

Fungal mutants not solved by internal amplification controls

Letter to the Editor

The effect of food processing on the fate of mycotoxins

Filamentous fungi in drinking water, particularly in relation to biofilm formation

The presence of filamentous fungi in drinking water has become an area worthy of investigation with various studies now being published. The problems associated with fungi include blockage of water pipes, organoleptic deterioration, pathogenic fungi and mycotoxins. Fungal biofilm formation is a less developed field of study. This paper updates the topic and introduces novel methods on fungal biofilm analysis, p...