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(WFRF:(Luo WJ)) srt2:(2020-2024)
 

Search: (WFRF:(Luo WJ)) srt2:(2020-2024) > Comparative cellula...

  • Bakken, TE (author)

Comparative cellular analysis of motor cortex in human, marmoset and mouse

  • Article/chapterEnglish2021

Publisher, publication year, extent ...

  • 2021-10-06
  • Springer Science and Business Media LLC,2021

Numbers

  • LIBRIS-ID:oai:prod.swepub.kib.ki.se:147910046
  • http://kipublications.ki.se/Default.aspx?queryparsed=id:147910046URI
  • https://doi.org/10.1038/s41586-021-03465-8DOI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • The primary motor cortex (M1) is essential for voluntary fine-motor control and is functionally conserved across mammals1. Here, using high-throughput transcriptomic and epigenomic profiling of more than 450,000 single nuclei in humans, marmoset monkeys and mice, we demonstrate a broadly conserved cellular makeup of this region, with similarities that mirror evolutionary distance and are consistent between the transcriptome and epigenome. The core conserved molecular identities of neuronal and non-neuronal cell types allow us to generate a cross-species consensus classification of cell types, and to infer conserved properties of cell types across species. Despite the overall conservation, however, many species-dependent specializations are apparent, including differences in cell-type proportions, gene expression, DNA methylation and chromatin state. Few cell-type marker genes are conserved across species, revealing a short list of candidate genes and regulatory mechanisms that are responsible for conserved features of homologous cell types, such as the GABAergic chandelier cells. This consensus transcriptomic classification allows us to use patch–seq (a combination of whole-cell patch-clamp recordings, RNA sequencing and morphological characterization) to identify corticospinal Betz cells from layer 5 in non-human primates and humans, and to characterize their highly specialized physiology and anatomy. These findings highlight the robust molecular underpinnings of cell-type diversity in M1 across mammals, and point to the genes and regulatory pathways responsible for the functional identity of cell types and their species-specific adaptations.

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  • Hu, QW (author)
  • Lake, BB (author)
  • Tian, W (author)
  • Kalmbach, BE (author)
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  • Lucero, JD (author)
  • Mahurkar, A (author)
  • McMillen, D (author)
  • Miller, JA (author)
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  • Reed, NM (author)
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  • Linnarsson, SKarolinska Institutet (author)
  • Lein, ES (author)
  • Karolinska Institutet (creator_code:org_t)

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  • In:Nature: Springer Science and Business Media LLC598:7879, s. 111-+1476-46870028-0836

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