Understanding manipulation of host genes by reniform nematode


Nathan Redding, Paula Agudelo, Christina Wells


Paula Agudelo (Plant and Environmental Sciences) and Christina Wells (Biological Sciences)


Plant and Environmental Sciences (College of Agriculture, Forestry and Life Sciences)


Reniform nematode is a parasitic roundworm that infects over 300 different plant species in the tropical, subtropical, and warm temperate regions of the world. During infection, the female nematode penetrates a host root and converts part of the tissue into a feeding site. The objective of our study was to identify the specific plant genes involved in feeding site formation. We sequenced mRNA from infected and uninfected roots in a split-root system for several soybean plants across a 12-day time course. Through gene-expression comparison, we identified many transcription factor genes that seem to play an important role in nematode parasitism. These genes will be the target of future functional analysis study.

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