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Process / pipelineBioinformatics / omics

Single-cell RNA-seq Sequence Alignment

Fikiria jaribio la seli moja kama kutupa maelfu ya vyombo vidogo vilivyo na lebo—kimoja kwa kila seli—kwenye kipimajoto. Kila chombo kimetiwa alama kwa msimbo pau wa kipekee, na kila molekuli ya RNA ndani imetiwa alama kwa UMI. Upimaji hupasua vitu vyote kuwa vipande vifupi na kuvichanganya pamoja. Upatanishwaji ni mchakato wa kupanga vipande hivyo kurudi kwenye nafasi sahihi kwenye genoma, kusoma misimbo pau ili kuweka kila kipande kwenye kidude cha seli sahihi, na kutumia UMIs kufuta nakala ili kila molekuli asili ihesabiwe mara moja. Matokeo yake ni jedwali la hesabu: safu mlalo ni seli, nguzo ni jeni, na kila nambari inakuambia ni molekuli ngapi za RNA za jeni hiyo zilipatikana katika seli hiyo.

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Vyanzo

  1. Dobin, A., Davis, C. A., Schlesinger, F., Drenkow, J., Zaleski, C., Jha, S., Batut, P., Chaisson, M., & Gingeras, T. R. (2013). STAR: ultrafast universal RNA-seq aligner. Bioinformatics, 29(1), 15–21. DOI: 10.1093/bioinformatics/bts635
  2. Smith, T., Heger, A., & Sudbery, I. (2017). UMI-tools: modeling sequencing errors in Unique Molecular Identifiers to improve quantification accuracy. Genome Research, 27(3), 491–499. DOI: 10.1101/gr.209601.116

Jinsi ya kunukuu ukurasa huu

ScholarGate. (2026, June 3). Single-cell RNA-seq Sequence Alignment. ScholarGate. https://scholargate.app/sw/bioinformatics/single-cell-sequence-alignment

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Imerejelewa na

ScholarGateSingle-cell sequence alignment (Single-cell RNA-seq Sequence Alignment). Imepatikana 2026-06-15 kutoka https://scholargate.app/sw/bioinformatics/single-cell-sequence-alignment · Seti ya data: https://doi.org/10.5281/zenodo.20539026