A simple and efficient method for isolating small RNAs from different plant species.

A simple and efficient method for isolating small RNAs from different plant species.
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一种简单有效的方法,用于从不同植物物种中隔离小RNA。

DOI:
10.1186/1746-4811-7-4
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发表时间:
2011-02-24
期刊:
影响因子:
5.1
通讯作者:
de Folter S
de Folter S
中科院分区:
生物学2区
文献类型:
--
作者:
Rosas-Cárdenas Fde F;Durán-Figueroa N;Vielle-Calzada JP;Cruz-Hernández A;Marsch-Martínez N;de Folter S

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在过去的十年中,小RNA作为真核生物中各种生物过程的关键调控因子出现。为了鉴定和研究小RNA,需要良好和有效的方案来分离它们,由于某些植物物种的特定组织的组成,这有时可能具有挑战性。在这里,我们描述了一种简单而有效的方法来分离小RNA从不同的植物物种。我们开发了一种简单而有效的方法来从不同的植物物种中分离小RNA,首先比较不同的总RNA提取方案,然后简化最佳方案,最后得到一种不需要第一次总RNA提取并且不基于市售TRIzol®试剂或柱的小RNA提取方法。这种小RNA提取方法不仅适用于具有高多糖含量的植物组织,如仙人掌、龙舌兰、香蕉和番茄,而且适用于植物物种,如拟南芥或烟草。此外,所获得的小RNA样品成功地用于北方印迹分析。在这里,我们提供了一种简单而有效的方法来分离小RNA从不同的植物物种,如仙人掌,龙舌兰,香蕉,番茄,拟南芥,和烟草,和小RNA从这种简化和低成本的方法是适合于下游处理,如北方印迹分析。
Small RNAs emerged over the last decade as key regulators in diverse biological processes in eukaryotic organisms. To identify and study small RNAs, good and efficient protocols are necessary to isolate them, which sometimes may be challenging due to the composition of specific tissues of certain plant species. Here we describe a simple and efficient method to isolate small RNAs from different plant species. We developed a simple and efficient method to isolate small RNAs from different plant species by first comparing different total RNA extraction protocols, followed by streamlining the best one, finally resulting in a small RNA extraction method that has no need of first total RNA extraction and is not based on the commercially available TRIzol® Reagent or columns. This small RNA extraction method not only works well for plant tissues with high polysaccharide content, like cactus, agave, banana, and tomato, but also for plant species like Arabidopsis or tobacco. Furthermore, the obtained small RNA samples were successfully used in northern blot assays. Here we provide a simple and efficient method to isolate small RNAs from different plant species, such as cactus, agave, banana, tomato, Arabidopsis, and tobacco, and the small RNAs from this simplified and low cost method is suitable for downstream handling like northern blot assays.
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