Emerging microbiological risks - Europa · 2020. 2. 2. · Emerging microbiological risks Lorenzo...
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Emerging microbiological risks
Lorenzo Morelli
Director, DiSTAS – Department for Sustainable Food Process
Faculty of Agriculture, Food and Environmental Sciences
Università Cattolica del Sacro Cuore – Piacenza and Cremona – Italy
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Let us begin with definitions
Definitions According to the definition adopted by the Scientific Committee of EFSA in 2007, “an emerging risk to human, animal and/or plant health is understood as a risk resulting from a newly identified hazard to which a significant exposure may occur or from an unexpected new or increased significant exposure and/or susceptibility to a known hazard” (EFSA, 2007).
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Let us begin with an update
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Let us begin with an update
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Let us begin with an update
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“…. the microbes are educated to resist
penicillin and a host of penicillin-fast
organisms is bred out… In such cases the
thoughtless person playing with penicillin
is morally responsible for the death of the
man who finally succumbs to infection
with the penicillin-resistant organism. I
hope this evil can be averted.”
- Sir Alexander Fleming, June 1945
Not really unexpected
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What AMRs are:
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What AMRs are:
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What AMRs are:
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Fake? or truth?
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Turning to agri-food
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The EU scenario
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The EU scenario
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Focus on non pathogenic, antibiotic
resistant, food-borne bacteria
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Focus on non pathogenic, antibiotic
resistant, food-borne bacteria
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Focus on non pathogenic, antibiotic
resistant, food-borne bacteria
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The research approach
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The research approach
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The research approach
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The results
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The results
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The results
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A major outcome
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So, everything solved?
From the final report
The genetic basis of the detected resistances as well as transmission
mechanisms were extensively investigated in WP3 by means of a full
range of molecular biology tools, from PCR and nucleotide sequence
analysis up to DNA microarray. In this final reporting period additional
data were obtained, useful to draw two different scenarios for
tetracycline and erythromycin resistances in lactic acid bacteria: a
complex scenario for the first, where some phenotypic resistances are
probably support by genes still undescribed, while the latter is
probably the result of a recent horizontal acquisition from other
sources.
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A new challenge: non specific AMR
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Multi functions genes
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Multi functions genes
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WAR AGAINST AMR BACTERIA IS A NEVER ENDING STORY
BE HAPPY
THIS IS THE END OF THE MY PRESENTATION THANKS FOR YOUR ATTENTION