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TZUNTIL:20231029T010000Z
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DTSTART:20211031T030000
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UID:www.bayceer.uni-bayreuth.de-bayceer-t155878id
DTSTAMP:20260812T070958Z
DESCRIPTION:Arbuscular mycorrhizal fungi (AMF) efficiently take up mineral 
 nutrients such as phosphorus and nitrogen (N) from the soil solution\, and
  trade them for organic carbon with their host plants. Acquisition of nutr
 ients bound in organic forms by the AMF under unsterile soil conditions ha
 s previously been reported\, assuming an important role of soil prokaryote
 s\, yet without proper mechanical understanding. Here a synthetic approach
  to study involvement of such inter-kingdom interactions in utilization of
  organic nutrients is presented\, employing 15N-labelled chitin (an organi
 c N source) added to AM fungal (Rhizophagus irregularis) hyphosphere under
  in vitro conditions\, with or without other microorganisms. Upon presence
  of Paenibacillus sp.\, the AMF and their associated host plant obtained s
 everal-fold larger quantities of N from the chitin than they did with othe
 r bacteria\, whether chitinolytic or not. Moreover\, upon adding a protist
  Polysphondylium pallidum to the hyphosphere with Paenibacillus sp.\, the 
 gain of N from chitin by the AMF and the associated plant further and sign
 ificantly increased\, pointing to soil microbial loop as the underlying me
 chanism.\n&nbsp\;\n*** invited by Johanna Pausch\, Agroecology
DTSTART;TZID=Europe/Berlin:20211125T121500
DTEND;TZID=Europe/Berlin:20211125T134500
LOCATION:online-only
SUMMARY:Dr. Jan Jansa\, Laboratory of Fungal Biology\, Institute of Microbi
 ology of the Czech Academy of Sciences\, Prague (Homepage): Arbuscular myc
 orrhizal hyphosphere as a soil nutrient turnover hotspot
TRANSP:TRANSPARENT
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