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TZUNTIL:20151025T010000Z
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DTSTART:20131027T030000
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RDATE:20141026T030000
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UID:www.bayceer.uni-bayreuth.de-bayceer-t115111id
DTSTAMP:20260813T181419Z
DESCRIPTION:Selenium (Se) and Arsenic (As) are intriguing elements: Se is a
 n essential trace element\, but toxic in excess\, while As is one of the m
 ost toxic elements even in trace amounts. Se and As\, although generally p
 resent in the environment at low levels\, are actively metabolized by micr
 oorganisms\, a process that has a strong impact on their mobility and bioa
 vailability. Given the scarcity of Se and As on the Earth’s crust\, it is 
 puzzling that pathways dedicated to the respiration of their oxyanions hav
 e arisen and have been maintained throughout evolution\, in the most diver
 se environments and taxonomic groups. Microbially mediated transformations
  may modulate the toxicity of these elements and change their mobility and
  bioavailability\, which in turn may affect their translocation and accumu
 lation in plants and hence\, the nutritional quality of various crops.\n 
DTSTART;TZID=Europe/Berlin:20140116T000000
DTEND;TZID=Europe/Berlin:20140116T235959
SUMMARY:Prof. Max Häggblom\, Dep. of Biochemistry and Microbiology\, Rutger
 s University\, USA (Homepage): New options for biotransformation: Anaerobi
 c Bacteria that Respire Se and As Oxyanions
TRANSP:TRANSPARENT
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