Abstract:We investigated the cross-talk between auxin (IAA) and ethylene in the control of root growth of Arabidopsis plants (Arabidopsis thaliana). The root growth of ethylene insensitive etr1-1 and auxin insensitive tir1 mutants under the effect of IAA and 1-methylcyclopropene (1-MCP, inhibitor of ethylene perception) was compared, respectively, with that of the wild type ecotype Columbia (Col-0). Roots of Col-0 were shorter than those of the etr1-1 mutant. The addition of IAA (5.7 × 10-6 М) to the growth medium led … Show more
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