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An optimized isolation protocol yields high-quality RNA from cassava tissues (Manihot esculenta Crantz).


ABSTRACT: We developed and modified a precise, rapid, and reproducible protocol isolating high-quality RNA from tissues of multiple varieties of cassava plants (Manihot esculenta Crantz). The resulting method is suitable for use in mini, midi, and maxi preparations and rapidly achieves high total RNA yields (170-600 μg·g-1) using low-cost chemicals and consumables and with minimal contamination from polysaccharides, polyphenols, proteins, and other secondary metabolites. In particular, A 260 : A 280 ratios were > 2.0 for RNA from various tissues, and all of the present RNA samples yielded ribosomal integrity number values of greater than six. The resulting high purity and quality of isolated RNA will facilitate downstream applications (quantitative reverse transcriptase-polymerase chain reaction or RNA sequencing) in cassava molecular breeding.

SUBMITTER: Behnam B 

PROVIDER: S-EPMC6443859 | biostudies-literature | 2019 Apr

REPOSITORIES: biostudies-literature

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An optimized isolation protocol yields high-quality RNA from cassava tissues (<i>Manihot esculenta</i> Crantz).

Behnam Babak B   Bohorquez-Chaux Adriana A   Castaneda-Mendez Oscar Fernando OF   Tsuji Hiroyuki H   Ishitani Manabu M   Becerra Lopez-Lavalle Luis Augusto LA  

FEBS open bio 20190220 4


We developed and modified a precise, rapid, and reproducible protocol isolating high-quality RNA from tissues of multiple varieties of cassava plants (<i>Manihot esculenta</i> Crantz). The resulting method is suitable for use in mini, midi, and maxi preparations and rapidly achieves high total RNA yields (170-600 μg·g<sup>-1</sup>) using low-cost chemicals and consumables and with minimal contamination from polysaccharides, polyphenols, proteins, and other secondary metabolites. In particular, <  ...[more]

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