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diff --git a/assays/rna-seq/protocols/rna-extraction.md b/assays/rna-seq/protocols/rna-extraction.md
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 # RNA Extraction
 
-Whole rosettes were harvested and immediately frozen in liquid nitrogen. RNA was isolated from ground tissue using the RNeasyPlant Mini Kit (QIAGEN, Hilden, Germany). Residues of DNAwere removed with DNase (New England Biolabs, Ipswitch, MA,United States). RNA integrity, sequencing library, and fragment size were analyzed on a 2100 Bioanalyzer (Agilent Technologies,Santa  Clara,  CA,  United  States). 
+Whole rosettes were harvested and immediately frozen in liquid nitrogen. RNA was isolated from ground tissue using the RNeasyPlant Mini Kit (QIAGEN, Hilden, Germany). Residues of DNA were removed with DNase (New England Biolabs, Ipswitch, MA,United States). RNA integrity, sequencing library, and fragment size were analyzed on a 2100 Bioanalyzer (Agilent Technologies,Santa  Clara,  CA,  United  States). 
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