The localization of PHRAGMOPLAST ORIENTING KINESIN1 at the division site depends on two microtubule binding proteins TANGLED1 and AUXIN-INDUCED-IN-ROOT-CULTURES9 in Arabidopsis
Abstract:Proper plant growth and development requires spatial coordination of cell divisions. Two unrelated microtubule-binding proteins, TANGLED1 (TAN1) and AUXIN-INDUCED-IN-ROOT-CULTURES9 (AIR9), are together required for normal growth and division-plane orientation in Arabidopsis. tan1 air9 double mutants have synthetic growth and division-plane orientation defects while single mutants lack obvious defects. Here we show that the division-site localized protein, PHRAGMOPLAST-ORIENTING-KINESIN1 (POK1), was aberrantly … Show more
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