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ARABIDILLO-1-YFP protein fragments reduce lateral root density. Lateral root density of 11-day-old seedlings. Left to right, Wild type (Col, black); arabidillo-1/-2 (white); wild-type seedlings expressing ARABIDILLO-1 (45-93)-YFP, 2 independent lines (dark gray); wild-type seedlings expressing ARABIDILLO-1 (1-93)-YFP, 2 lines (light gray); wild-type seedlings expressing ARABIDILLO-1 (375-930)-YFP, 3 lines (medium-gray). t test, P < 0.001 for all lines compared with wild type.
