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DTSTART:20051030T030000
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RDATE:20061029T030000
RDATE:20071028T030000
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DTSTAMP:20260917T054715Z
DESCRIPTION:Together with bacteria\, fungi are the most important group of 
 soil organisms in terms of biomass and they represent a huge biodiversity 
 pool with a remarkably wide spectrum of enzymatic activities. In the prese
 nt lecture\, we will focus on two aspects of the role played by fungi for 
 soil functioning. \nThe first aspect deals with the role of fungi for immo
 bilization and turnover of soil organic matter (SOM). We developed molecul
 ar tools to monitor soil fungi producing exoenzymes belonging to the group
  of laccase like multi copper oxidases that are involved in both mineraliz
 ation and stabilization of SOM. On this basis\, distribution of fungi with
  the corresponding genes and the gene expression patterns were investigate
 d in forest and agricultural soils and the spatial heterogeneity of soils 
 was considered. In a starting project\, we aim at relating the laccase fun
 gal activity to primary attack of SOM in N limited forest soils.\nThe seco
 nd aspect deals with mycorrhizal fungi that are associated to roots and pr
 ovide adaptation of plants to the soil medium. We will summarize the evolu
 tionary importance of this symbiosis and bring an example of ist role in v
 egetation restoration after a man made disturbance of the soil nutrient st
 atus by massive pollution with phosphorus at a site near to a former ferti
 lizer production plants near Jena. \n\nLiterature: \nLUIS P.\, WALTHER\, G
 .\, KELLNER H.\, MARTIN F.\, BUSCOT F (2004). Diversity of laccase gene fr
 om basidiomycetes in a forest soil. Soil Biology and Biochemistry 36\, 102
 5-1036. \nLUIS P.\, KELLNER H.\, MARTIN F.\, BUSCOT F. (2005) A molecular 
 method to evaluate basidiomycete laccase gene expression in forest soils. 
 Geoderma 128\, 18-27. \nLUIS P.\, KELLNER H.\, ZIMDARS B.\, LANGER U.\, MA
 RTIN F.\, BUSCOT F. (2005)  Patchiness and spatial distribution of laccase
  genes of ectomycorrhizal\, saprotrophic and unknown basidiomycetes in the
  upper horizons of a mixed forest Cambisol. Microbial Ecology 50\, 570-579
 . \nRENKER C.\, HEINRICHS J.\, KALDORF M. & BUSCOT F. (2003). Combining ne
 sted PCR and restriction digest of the internal transcribed spacer region 
 to characterize arbuscular mycorrhizal fungi on roots from the field. Myco
 rrhiza 13\, 191-198. \nRENKER C.\, BLANKE V.\, BUSCOT F. (2005) Diversity 
 of arbuscular mycorrhizal fungi in grassland spontaneously developed on ar
 ea polluted by a fertilizer plant. Environmental Pollution 135\, 255-266. 
 \nBLANKE V.\, RENKER C.\, WAGNER M.\, FÜLLNER K.\, HELD M.\, KUHN A.J.\, B
 USCOT F. (2005) Nitrogen supply affects arbuscular mycorrhizal colonizatio
 n of Artemisia vulgaris L. in a phosphate-polluted field site. New Phytolo
 gist 166\, 981-992.
DTSTART;TZID=Europe/Berlin:20060622T161500
DTEND;TZID=Europe/Berlin:20060622T235959
LOCATION:H6
SUMMARY:Prof. Dr. Francois Buscot\, Department of Soil Ecology\, Centre for
  Environmental Research UFZ Leipzig Halle: Soil and mycorrhizal fungi are 
 key players for soil functioning
TRANSP:TRANSPARENT
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