Percentage of mitochondoria in single nuclei single cellRNASeq
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22 months ago
Tania ▴ 180

Hi All

Are these percentages of mitcohondoria seems normal for single nuclei/Single Cell RNASeq? What is a normal rate? Thanks

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cell mitochondoria nuclei single RNASeq • 703 views
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22 months ago
Basti ★ 2.0k

I recommend you this paper : https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8599307/ Particularly : "mtDNA% ranges from 5% or less in tissues with low energy requirements up to ∼30% in the heart due to the high energy demand of cardiomyocytes" So it depends on your tissue but your percentages are in the acceptable range.

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Thank you Basti very much. But this is even if it is single nuclei? The paper talks about single cell? Thanks

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You're right and I don't see any paper that studied the subject in greater depth, but I believe the percentage should be lower. An exemple here in Fig 2D : https://genomemedicine.biomedcentral.com/articles/10.1186/s13073-021-00941-8 "the percentage of mitochondrial genes sequenced in the nucleus-containing droplets was lower than the cell-containing particles (2.7% and 4.2%, respectively)" and they filtered out nuclei with >20% mitochondrial gene counts.

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Got it. Thank you very much Basti.

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