MALDI-MS-assisted molecular imaging of metabolites in legume plants.

MALDI-MS-assisted molecular imaging of metabolites in legume plants.
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MALDI-MS 辅助豆科植物代谢物的分子成像。

DOI:
10.1007/978-1-4939-1357-2_4
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发表时间:
2015
期刊:
Methods in molecular biology (Clifton, N.J.)
影响因子:
--
通讯作者:
Li,Lingjun
Li,Lingjun
中科院分区:
--
文献类型:
--
作者:
Gemperline,Erin;Li,Lingjun

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质谱成像(MSI)是一种强大的分析工具,可以在一次实验中提供几种化合物的空间信息。该技术已被广泛用于研究蛋白质,肽和脂质,并越来越普遍地用于研究小分子,如内源性代谢物。利用基质辅助激光解吸/电离(MALDI)-MSI,可以在生物组织切片内同时检测多种代谢物的空间分布。在此,我们提出了一种专门用于成像豆科植物根和根瘤中的代谢物的方法,该方法可适用于研究其他豆科植物器官甚至其他生物组织样品中的代谢物。我们专注于基本步骤,如样品制备和基质应用,比较几种有用的技术,并提出了一个标准的工作流程,可以很容易地修改不同的组织类型和仪器。
Mass spectrometric imaging (MSI) is a powerful analytical tool that provides spatial information of several compounds in a single experiment. This technique has been used extensively to study proteins, peptides, and lipids, and is becoming more common for studying small molecules such as endogenous metabolites. With matrix-assisted laser desorption/ionization (MALDI)-MSI, spatial distributions of multiple metabolites can be simultaneously detected within a biological tissue section. Herein, we present a method developed specifically for imaging metabolites in legume plant roots and root nodules which can be adapted for studying metabolites in other legume organs and even other biological tissue samples. We focus on essential steps such as sample preparation and matrix application, comparing several useful techniques, and present a standard workflow that can be easily modified for different tissue types and instrumentation.
DOI: 10.1021/ac070958d
发表时间: 2007-09-01
影响因子: 7.4
作者:
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