is scRNA-seq simply better than RNA-seq? : bioinformatics

Sorry if I am completely wrong and ignorant, I just started learning about RNA-seq since I may have to arrange protocols and experiments of RNA sequencing in the future.

From what I read, scRNA-seq is an improvement over the bulk analysis of RNA-seq since it sorts the samples by its type of cells before detecting levels of different RNA, such that we can obtain the gene expression profile for each cell, which allows us to generate differential expression profile grouped by the cell type.

If that’s is true, couldn’t we also obtain the bulk expression profile from the scRNA-seq by simply processing the data ignoring the cell type? In what cases would people prefer RNA-seq if scRNA-seq data can also do the same thing but better?

Edit: wow, thanks for the overwhelm responses from all different kinds of perspective, I cannot find any discussion from a quick google so these are really helpful

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