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. 2013 Jan 28;8(1):e54802. doi: 10.1371/journal.pone.0054802

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© 2013 Walker et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Inline graphic — The cells are repressed for clarity in the left-hand picture. A small region on the surface produces auxin like an L1, with its cells pointing PIN toward the primordium at the centre, while a canalized mid-vein grows into the interior. The right-hand side indicates a rise in auxin is visible at the primordium. Auxin production is limited to the L1 with the value α = 0.1 mol µm⁻ ³ hr⁻ ¹. Auxin degradation in the L1 is β = 1.0 hr⁻ ¹, while that in the interior is β = 0.4 hr⁻ ¹. Cell volumes range from about 95 to 300 µm ³ with wall areas ranging from six to about sixty µm ².

The cells are repressed for clarity in the left-hand picture. A small region on the surface produces auxin like an L1, with its cells pointing PIN toward the primordium at the centre, while a canalized mid-vein grows into the interior. The right-hand side indicates a rise in auxin is visible at the primordium. Auxin production is limited to the L1 with the value α = 0.1 mol µm⁻ ³ hr⁻ ¹. Auxin degradation in the L1 is β = 1.0 hr⁻ ¹, while that in the interior is β = 0.4 hr⁻ ¹. Cell volumes range from about 95 to 300 µm ³ with wall areas ranging from six to about sixty µm ².