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. 2002 Oct 22;99(23):15211–15216. doi: 10.1073/pnas.222390599

Fig 1.

Fig 1.

AtCO overexpression in potato. (a) RNA blot analysis of AtCO mRNA abundance in WT and pACo lines. (b) Potato WT and pACo lines grown in the greenhouse for 6 weeks. (c) Stem length of plants shown in b at different times after potting. Values are means of six individuals ± SE. 5UI, five upper internodes. (d) Time course of tuber formation in WT and pACo plants shown in b. The day of transfer to SD (day 42, indicated in c) refers to week 0 under tuber-inducing conditions. Tuberization (six individuals per line) was recorded 3–19 weeks after transfer to SD; note that the values along the abscissa are not evenly spaced. (e) Anthocyanin contents in WT and pACo leaves from plants shown in d the day of transfer to SD conditions (open bar) and 6 weeks later (hatched bar). Values are the means of five samples ± SE. (f) Tubers harvested from WT and pACo7 plants grown for 8 weeks under LD and then for 9–10 weeks under SD. Asterisks indicate the presence in the same plant of tubers and stolons not committed to tuber production. Arrows indicate the resulting morphology of tubers poorly induced to tuberize.