Selenite tolerance of SMT over-producing A. thaliana . (A) Growth of SMT over-producing and empty vector control plants in soil treated with selenite. (B) Relative selenite tolerance in soil grown plants is positively correlated with the concentration of methylselenocysteine, and (C) total shoot Se concentration. Relative tolerance is quantified as the percent fresh weight of selenite treated plants relative to the same line grown in the absence of selenite. Data represents averages (± SE) from between 10 – 16 individual plants from each line.