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用于建模目的的褐腐菌后黄丝盘菌菌丝体生长的形态学表征与定量分析

Morphological Characterization and Quantification of the Mycelial Growth of the Brown-Rot Fungus Postia placenta for Modeling Purposes.

作者信息

Du Huan, Lv Pin, Ayouz Mehdi, Besserer Arnaud, Perré Patrick

机构信息

LGPM, CentraleSupelec, Université Paris-Saclay, 92290, Châtenay-malabry, France.

ENSTIB/LERMAB, University of Lorraine, 88000, Epinal, France.

出版信息

PLoS One. 2016 Sep 7;11(9):e0162469. doi: 10.1371/journal.pone.0162469. eCollection 2016.

DOI:10.1371/journal.pone.0162469
PMID:27602575
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5014427/
Abstract

Continuous observation was performed using confocal laser scanning microscopy to visualize the three-dimensional microscopic growth of the brown-rot fungus, Postia placenta, for seventeen days. The morphological characterization of Postia placenta was quantitatively determined, including the tip extension rate, branch angle and branching length, (hyphal length between two adjacent branch sites). A voxel method has been developed to measure the growth of the biomass. Additionally, the tip extension rate distribution, the branch angle distribution and the branching length distribution, which quantified the hyphal growth characteristics, were evaluated. Statistical analysis revealed that the extension rate of tips was randomly distributed in space. The branch angle distribution did not change with the development of the colony, however, the branching length distribution did vary with the development of the colony. The experimental data will be incorporated into a lattice-based model simulating the growth of Postia placenta.

摘要

使用共聚焦激光扫描显微镜进行连续观察，以可视化褐腐菌——展齿革菌（Postia placenta）的三维微观生长，持续了17天。对展齿革菌的形态特征进行了定量测定，包括尖端延伸速率、分支角度和分支长度（两个相邻分支位点之间的菌丝长度）。已开发出一种体素方法来测量生物量的生长。此外，还评估了量化菌丝生长特征的尖端延伸速率分布、分支角度分布和分支长度分布。统计分析表明，尖端的延伸速率在空间中呈随机分布。分支角度分布不会随着菌落的发育而变化，然而，分支长度分布确实会随着菌落的发育而变化。实验数据将被纳入一个基于晶格的模型，以模拟展齿革菌的生长。

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