international hands-on workshop on genotoxiciy monitoring bioassays for environmental pollution
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International Hands-on workshop on genotoxiciy monitoring bioassays for environmental pollution. University of Silesia, Jagiellonska 28, 40-032 Katowice, Poland Directed by - PowerPoint PPT PresentationTRANSCRIPT
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International Hands-on workshop on genotoxiciy monitoring bioassays for
environmental pollutionUniversity of Silesia, Jagiellonska 28,
40-032 Katowice, Poland Directed by
Prof. Jolanta Maluszynska, Department of Plant Anatomy and Cytology, University of Silesia, Katowice, Poland
Prof. Siegfried Knasmueller, Institute for Cancer Research, The Medical University of Vienna, Vienna, Austria
Prof. Michael Plewa, University of Illinois, Champaign-Urbana, IL, USA
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International workshop on genotoxicity monitoring bioassays for environmental pollution
Group photo of the participants
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Prof. Knasmueller (left) and Prof. Maluszynska (right) discuss workshop plan
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Prof. Jolanta Maluszynska giving instructions at the workshop, demonstrating Fluorescent in situ hybridization (FISH) assay (photomicrograph was not available)
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Instructor of the workshop giving a lecture to the participants.
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Prof. Michael Plewa of the University of Illinois demonstrating the slide preparation for Comet test for clastogens
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Photomicrograph of a comet tail as the result of DNA damage by clastogens
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Mr. Bernhard Majer of the medical University of Vienna prepares Allium roots and Tradescantia cuttings for chromosome aberration and micronucleus assays .
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Tradescantia plants bearing young inflorescences provide the test material for both Tradescantia- Stamen-Hair (Trad-SHM) and Tradescantia-Micronucleus (Trad-MCN) assays
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Photomicrograph of Sister-Chromatid-Exchange (SCE) in Tradescantia root tip cell cell.
Photomicrograph of Sister-Chromatid-Exchange (SCE) in Tradescantia root tip cell
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Dissection of flower buds in preparation of Trad-MCN slides from the meiotic microsporocytes
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Preparing stamen hairs of Tradescantia flower under a dissecting microscope for scoring frequencies of pink mutation events in the Trad-SHM assay.
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MCN
MCN
Photomicrograph showing micronuclei (MCN) among the resting stage root tip cells in the subsequent generation of treated nuclei
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Photomicrograph of the tetrad stage of microsporocyte of Tradescantia showing micronuclei (MCN) among the synchronized tetrads in Trad-MCN assay
MCN
MCN
MCN
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Scoring pink mutation events under the dissecting microscope in the Tad-SHM assay
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Tradescantia flowers ready for scoring pink mutation events after a 16- minute refrigeration in the Trad-SHM assay
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Photomicrograph of orderly aligned stamen hairs showing 3 pink mutation events in this field of view in the Trad-SHM assay
pink
bluepink
blue
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Collecting data for frequencies of mutation and micronueli in treated and control groups of Trad-SHM and Trad-MCN assays
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DATA analysis using computer software and print out for report write up
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After a day’s hard work, participants took a tour around town
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Relaxing and shopping in the Mall in the city of Katowice, Poland
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Let’s have some coffee and snack
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A walk outside to have some fresh air