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A non-canonical BRD9-containing BAF chromatin remodeling complex regulates naive pluripotency in mouse embryonic stem cells

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Listed:
  • Jovylyn Gatchalian

    (Salk Institute for Biological Studies)

  • Shivani Malik

    (Salk Institute for Biological Studies)

  • Josephine Ho

    (Salk Institute for Biological Studies)

  • Dong-Sung Lee

    (Salk Institute for Biological Studies)

  • Timothy W. R. Kelso

    (Salk Institute for Biological Studies)

  • Maxim N. Shokhirev

    (Salk Institute for Biological Studies)

  • Jesse R. Dixon

    (Salk Institute for Biological Studies)

  • Diana C. Hargreaves

    (Salk Institute for Biological Studies)

Abstract

The role of individual subunits in the targeting and function of the mammalian BRG1-associated factors (BAF) complex in embryonic stem cell (ESC) pluripotency maintenance has not yet been elucidated. Here we find that the Bromodomain containing protein 9 (BRD9) and Glioma tumor suppressor candidate region gene 1 (GLTSCR1) or its paralog GLTSCR1-like (GLTSCR1L) define a smaller, non-canonical BAF complex (GBAF complex) in mouse ESCs that is distinct from the canonical ESC BAF complex (esBAF). GBAF and esBAF complexes are targeted to different genomic features, with GBAF co-localizing with key regulators of naive pluripotency, which is consistent with its specific function in maintaining naive pluripotency gene expression. BRD9 interacts with BRD4 in a bromodomain-dependent fashion, which leads to the recruitment of GBAF complexes to chromatin, explaining the functional similarity between these epigenetic regulators. Together, our results highlight the biological importance of BAF complex heterogeneity in maintaining the transcriptional network of pluripotency.

Suggested Citation

  • Jovylyn Gatchalian & Shivani Malik & Josephine Ho & Dong-Sung Lee & Timothy W. R. Kelso & Maxim N. Shokhirev & Jesse R. Dixon & Diana C. Hargreaves, 2018. "A non-canonical BRD9-containing BAF chromatin remodeling complex regulates naive pluripotency in mouse embryonic stem cells," Nature Communications, Nature, vol. 9(1), pages 1-16, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-07528-9
    DOI: 10.1038/s41467-018-07528-9
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    Cited by:

    1. Dhurjhoti Saha & Solomon Hailu & Arjan Hada & Junwoo Lee & Jie Luo & Jeff A. Ranish & Yuan-chi Lin & Kyle Feola & Jim Persinger & Abhinav Jain & Bin Liu & Yue Lu & Payel Sen & Blaine Bartholomew, 2023. "The AT-hook is an evolutionarily conserved auto-regulatory domain of SWI/SNF required for cell lineage priming," Nature Communications, Nature, vol. 14(1), pages 1-17, December.
    2. Muran Xiao & Shinji Kondo & Masaki Nomura & Shinichiro Kato & Koutarou Nishimura & Weijia Zang & Yifan Zhang & Tomohiro Akashi & Aaron Viny & Tsukasa Shigehiro & Tomokatsu Ikawa & Hiromi Yamazaki & Mi, 2023. "BRD9 determines the cell fate of hematopoietic stem cells by regulating chromatin state," Nature Communications, Nature, vol. 14(1), pages 1-22, December.
    3. Jiahui Du & Yili Liu & Xiaolin Wu & Jinrui Sun & Junfeng Shi & Hongming Zhang & Ao Zheng & Mingliang Zhou & Xinquan Jiang, 2023. "BRD9-mediated chromatin remodeling suppresses osteoclastogenesis through negative feedback mechanism," Nature Communications, Nature, vol. 14(1), pages 1-20, December.
    4. Luca Pagliaroli & Patrizia Porazzi & Alyxandra T. Curtis & Chiara Scopa & Harald M. M. Mikkers & Christian Freund & Lucia Daxinger & Sandra Deliard & Sarah A. Welsh & Sarah Offley & Connor A. Ott & Br, 2021. "Inability to switch from ARID1A-BAF to ARID1B-BAF impairs exit from pluripotency and commitment towards neural crest formation in ARID1B-related neurodevelopmental disorders," Nature Communications, Nature, vol. 12(1), pages 1-16, December.
    5. Yawen Lei & Yaoguang Yu & Wei Fu & Tao Zhu & Caihong Wu & Zhihao Zhang & Zewang Yu & Xin Song & Jianqu Xu & Zhenwei Liang & Peitao Lü & Chenlong Li, 2024. "BCL7A and BCL7B potentiate SWI/SNF-complex-mediated chromatin accessibility to regulate gene expression and vegetative phase transition in plants," Nature Communications, Nature, vol. 15(1), pages 1-19, December.
    6. L. Paige Ferguson & Jovylyn Gatchalian & Matthew L. McDermott & Mari Nakamura & Kendall Chambers & Nirakar Rajbhandari & Nikki K. Lytle & Sara Brin Rosenthal & Michael Hamilton & Sonia Albini & Martin, 2023. "Smarcd3 is an epigenetic modulator of the metabolic landscape in pancreatic ductal adenocarcinoma," Nature Communications, Nature, vol. 14(1), pages 1-17, December.

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