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Förslaget inkom 2008-05-30

Chemical communication underground - host-finding in nematodes

OBS! ANSÖKNINGSTIDEN FÖR DETTA EXJOBB HAR LÖPT UT.
The goal is to identify the chemical cues which mediate host plant finding in the dagger nematode Xiphinema index, which causes important damage in vineyards.

Host plant attraction of nematodes is likely mediated by grapevine chemicals. Unlike above-ground organisms that can also exploit visual cues, soil nematodes rely solely on chemical signals for host-finding. Chemical communication in the rhizosphere is a current frontier in biology. Volatiles released aboveground from grapevine are known to mediate interactions with other plants, microorganisms and arthropods. In comparison, root exudates and their biological activity remain yet to be explored.

The identification of attractants for plant parasitic nematodes has not been achieved. We offer participation in the study of grape root exudates by chemical analysis and nematode attraction bioassays. This work is exploratory, and candidates will closely cooperate with postgraduate students and senior researchers.
 
Location: SLU - Swedish Agricultural University at Alnarp, close to Malmö
Research group: The Chemical Ecology Group at the Dept. Crop Science comprises ca. 10 senior researchers and 20 students. This poject is done jointly with other groups at the Department.
Student profile: Biology, Agriculture, Horticulture, Chemistry 

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