Reverse transcription polymerase chain reaction


In September, JAMS was back into top gear, with a bigger audience, and a room with a view. Kent Lim from Macquarie University led off with a talk on his PhD work on the biocontrol agent Pseudomonas strain Pf5. As is often the case in science, things didn’t work out as expected, and Kent found that knocking out suspected pyochelin transporters led to an increase rather than a decrease in efflux of this siderophore and its metabolic precursors. Kent valiantly soldiered on, applying qRT-PCR and Biolog phenotype microarrays to untangle the problem, but unfortunately, this released even more worms from the seemingly-bottomless can provided by strain Pf5. It seems that these transporters may in fact also be regulatory proteins, explaining the unexpected pleiotropic effects of the knockouts.

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