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Figure 2 | BMC Plant Biology

Figure 2

From: BYPASS1: synthesis of the mobile root-derived signal requires active root growth and arrests early leaf development

Figure 2

Temperature responsive phenotype of the bps1 rml1 first leaf pair supports exposure to the bps1 mobile compound during development. In bps1 single mutants, leaf development arrests early at low temperature (16°C), while growth at higher temperatures results in progressively more leaf growth. In bps1-2 rml1-1 double mutants, development of the first leaf pair responds similarly to growth temperature. When grown at 16°C, the first leaf pair was small and radial, growth at 22°C led to much longer, but still very narrow leaves, and growth at 29°C led to small but broad leaves. Note that the rml1 single mutant also showed enhanced root growth at the elevated temperature.

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