Abstract
We report a microfluidic platform for the hydroponic growth of Arabidopsis plants with
high-resolution visualization of root development and root-pathogen interactions. The platform
comprises a set of parallel micro-channels with individual input/output ports where 1-day old
germinated seedlings are initially placed. Under optimum conditions, a root system grows in each
microchannel and its images are recorded over a 198-h period. Different concentrations of plant
growth media show different root growth characteristics. Later, the developed roots are inoculated with two plant pathogens (nematodes and zoospores) and their physicochemical interactions with
the live root systems are observed.
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