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SUMMARY:From plant-pathogen interactions to plant-microbe communities - Pr
 of. Paul Schulze-Lefert\, Max Planck Institute for Plant Breeding Research
 \, Cologne\, Germany
DTSTART:20101028T150000Z
DTEND:20101028T160000Z
UID:TALK26300@talks.cam.ac.uk
CONTACT:Ian Henderson
DESCRIPTION:Powdery mildews are phytopathogens whose growth and reproducti
 on are entirely dependent on living plant cells. The molecular basis of th
 is lifestyle\, obligate biotrophy\, remains unknown. I will present the ge
 nome of a powdery mildew of grasses and a comparison with those of two pow
 dery mildews pathogenic on dicotyledonous plants. The comparative genome a
 nalysis reveals unexpected insight in mechanisms underlying an exclusively
  biotrophic lifestyle and a set of genes that might have roles in host spe
 cies-specific adaptations. Current concepts of the plant innate immune sys
 tem are largely based on two forms of immunity that engage distinct classe
 s of immune receptors. The existence of this elaborate immune system creat
 es a potential paradox: how then can plants serve in nature as hosts of a 
 staggering diversity of commensalistic and mutualistic microorganisms incl
 uding endophytes throughout their life cycle? I will present our approache
 s to survey and characterize the bacterial microflora of Arabidopsis roots
  grown in natural soil. I will discuss whether host determinants shape the
 se root-associated microbial communities. \n\nhttp://www.mpiz-koeln.mpg.de
 /english/research/pmi-dpt/ 
LOCATION:Department of Plant Sciences\, Large Lecture Theatre
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