Spatiotemporal mapping of gene expression landscapes and developmental trajectories during zebrafish embryogenesis

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  • Chang Liu
  • Rui Li
  • Young Li
  • Xiumei Lin
  • Kaichen Zhao
  • Qun Liu
  • Shuowen Wang
  • Xueqian Yang
  • Xuyang Shi
  • Yuting Ma
  • Chenyu Pei
  • Hui Wang
  • Wendai Bao
  • Junhou Hui
  • Tao Yang
  • Zhicheng Xu
  • Tingting Lai
  • Michael Arman Berberoglu
  • Sunil Kumar Sahu
  • Miguel A. Esteban
  • Kailong Ma
  • Guangyi Fan
  • Yuxiang Li
  • Shiping Liu
  • Xun Xu
  • Zhiqiang Dong
  • Longqi Liu

A major challenge in understanding vertebrate embryogenesis is the lack of topographical transcriptomic information that can help correlate microenvironmental cues within the hierarchy of cell-fate decisions. Here, we employed Stereo-seq to profile 91 zebrafish embryo sections covering six critical time points during the first 24 h of development, obtaining a total of 152,977 spots at a resolution of 10 × 10 × 15 μm3 (close to cellular size) with spatial coordinates. Meanwhile, we identified spatial modules and co-varying genes for specific tissue organizations. By performing the integrated analysis of the Stereo-seq and scRNA-seq data from each time point, we reconstructed the spatially resolved developmental trajectories of cell-fate transitions and molecular changes during zebrafish embryogenesis. We further investigated the spatial distribution of ligand-receptor pairs and identified potentially important interactions during zebrafish embryo development. Our study constitutes a fundamental reference for further studies aiming to understand vertebrate development.

OriginalsprogEngelsk
TidsskriftDevelopmental Cell
Vol/bind57
Udgave nummer10
Sider (fra-til)1284-1298.e5
ISSN1534-5807
DOI
StatusUdgivet - 2022

Bibliografisk note

Copyright © 2022 The Authors. Published by Elsevier Inc. All rights reserved.

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