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- W2977257869 abstract "Cortical microtubules guide the direction and deposition of cellulose microfibrils to build the cell wall, which in turn influences cell expansion and plant morphogenesis. In the model plant Arabidopsis thaliana (Arabidopsis), petal is a relatively simple organ that contains distinct epidermal cells, such as specialized conical cells in the adaxial epidermis and relatively flat cells with several lobes in the abaxial epidermis. In the past two decades, the Arabidopsis petal has become a model experimental system for studying cell expansion and organ morphogenesis, because petals are dispensable for plant growth and reproduction. Recent advances have expanded the role of microtubule organization in modulating petal anisotropic shape formation and conical cell shaping during petal morphogenesis. Here, we summarize recent studies showing that in Arabidopsis, several genes, such as SPIKE1, Rho of plant (ROP) GTPases, and IPGA1, play critical roles in microtubule organization and cell expansion in the abaxial epidermis during petal morphogenesis. Moreover, we summarize the live-confocal imaging studies of Arabidopsis conical cells in the adaxial epidermis, which have emerged as a new cellular model. We discuss the microtubule organization pattern during conical cell shaping. Finally, we propose future directions regarding the study of petal morphogenesis and conical cell shaping." @default.
- W2977257869 created "2019-10-10" @default.
- W2977257869 creator A5004285171 @default.
- W2977257869 creator A5029622730 @default.
- W2977257869 creator A5036245618 @default.
- W2977257869 creator A5048108816 @default.
- W2977257869 creator A5082605005 @default.
- W2977257869 creator A5086937893 @default.
- W2977257869 date "2019-10-03" @default.
- W2977257869 modified "2023-09-24" @default.
- W2977257869 title "Cortical Microtubule Organization during Petal Morphogenesis in Arabidopsis" @default.
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