Unknown,Transcriptomics,Genomics,Proteomics

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Transposable element expression at unique loci in single cells with CELLO-seq


ABSTRACT: We introduce a novel method (CELLO-seq) for long-read RNA sequencing at single cell resolution. CELLO-seq allows for full-length RNA sequencing and enables measurement of allelic, isoform and Transposable Element (TE) expression at unique loci. We use CELLO-seq to assess the widespread expression of TEs in 2-cell mouse blastomeres as well as human induced pluripotent stem cells (hiPSCs). Across both species, old and young TEs showed evidence of locus-specific expression, with simulations demonstrating that only a small number of very young elements in the mouse could not be mapped back to with high confidence. Exploring the relationship between the expression of individual elements and putative regulators revealed surprising heterogeneity, with TEs within a class showing different patterns of correlation, suggesting distinct regulatory mechanisms. CELLO-seq thus represents a significant advance in the research of TEs, highlighting that studying TEs in single cells and at single loci resolution is necessary for understanding how such elements are regulated and for gaining insight into their role during development.

INSTRUMENT(S): Illumina HiSeq 2500, Illumina HiSeq 4000, MinION

ORGANISM(S): Homo sapiens

SUBMITTER: Rebecca Berrens 

PROVIDER: E-MTAB-9577 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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