Growth Rate Normalization Method to Assess Gravitropic Root Growth.
Methods in molecular biology (Clifton, N.J.)(2018)
摘要
Time-lapse imaging of roots is highly suitable for depicting gravitropic growth behaviors. However, roots may show faster or slower bending kinetics when compared to control as a result of differences in overall root growth. Accordingly, conditions that cause differential organ growth require growth rate normalization to compare gravitropic curvature. Here, we describe a simple normalization method for gravitropic root growth evaluation. We exemplify this method by exposing seedlings to distinct environmental conditions or disturbing the cellular auxin contents. This data shows that the method is suitable to discriminate between gravitropic and overall organ growth defects.
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关键词
Arabidopsis thaliana,Gravitropic response,Growth rate,Kinetics,Normalization,Quantification,Root
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