Vascular Morphodynamics During Secondary Growth.

Abstract

Quantification of vascular morphodynamics during secondary growth has been hampered by the scale of the process. Even in the tiny model plant Arabidopsis thaliana, the xylem can include more than 2000 cells in a single cross section, rendering manual counting impractical. Moreover, due to its deep location, xylem is an inaccessible tissue, limiting live imaging. A novel method to visualize and measure secondary growth progression has been proposed: "the Quantitative Histology" approach. This method is based on a detailed anatomical atlas, and image segmentation coupled with machine learning to automatically extract cell shapes and identify cell type. Here we present a new version of this approach, with a user-friendly interface implemented in the open source software LithoGraphX.

Plant phenotyping relevance

植物の二次成長を可視化・定量する画像解析手法を改良し、細胞形状と細胞種を自動抽出するソフトウェア実装を提示しており、表現型取得手法が中心である。

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