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Epigenetics

  • RESEARCH ARTICLE
    Defining the dynamic chromatin landscape of mouse nephron progenitors
    Sylvia Hilliard, Renfang Song, Hongbing Liu, Chao-hui Chen, Yuwen Li, Melody Baddoo, Erik Flemington, Alanna Wanek, Jay Kolls, Zubaida Saifudeen, Samir S. El-Dahr
    Biology Open 2019 8: bio042754 doi: 10.1242/bio.042754 Published 20 May 2019

    Summary: An investigation of the chromatin landscape of mouse nephron progenitors across their life span supports the view that old nephron progenitors are epigenetically poised for differentiation.

  • RESEARCH ARTICLE
    Meiosis in the scorpion Tityus silvestris: new insights into achiasmatic chromosomes
    Bruno Rafael Ribeiro de Almeida, Renata Coelho Rodrigues Noronha, Marlyson Jeremias Rodrigues da Costa, Cleusa Yoshiko Nagamachi, Julio Cesar Pieczarka
    Biology Open 2019 8: bio040352 doi: 10.1242/bio.040352 Published 13 May 2019

    Summary: The scorpion Tityus silvestris, despite not presenting chiasma, performs initial stages of the recombination process and maintains the homologues synapse and different epigenetic modifications until late stages of meiosis I.

  • RESEARCH ARTICLE
    KDM5B decommissions the H3K4 methylation landscape of self-renewal genes during trophoblast stem cell differentiation
    Jian Xu, Benjamin L. Kidder
    Biology Open 2018 7: bio031245 doi: 10.1242/bio.031245 Published 10 May 2018

    Summary: The histone 3 lysine 4 demethylase KDM5B plays a key role in regulating H3K4 methylation during trophoblast stem cell self-renewal and differentiation. KDM5B regulates the transcriptional profile of TS cells during self-renewal and differentiation, and resets the H3K4 methylation landscape during differentiation by removing H3K4me3 from promoters of self-renewal and TS cell enriched genes.

  • HYPOTHESIS
    Vertically- and horizontally-transmitted memories – the fading boundaries between regeneration and inheritance in planaria
    Moran Neuhof, Michael Levin, Oded Rechavi
    Biology Open 2016 5: 1177-1188; doi: 10.1242/bio.020149

    Summary: In this hypothesis paper we re-evaluate canonical ideas about the interaction between developmental, genetic and evolutionary processes through the lens of planaria, an invertebrate model organism which challenges fundamental assumptions regarding reproduction.

  • RESEARCH ARTICLE
    The marbled crayfish as a paradigm for saltational speciation by autopolyploidy and parthenogenesis in animals
    Günter Vogt, Cassandra Falckenhayn, Anne Schrimpf, Katharina Schmid, Katharina Hanna, Jörn Panteleit, Mark Helm, Ralf Schulz, Frank Lyko
    Biology Open 2015 4: 1583-1594; doi: 10.1242/bio.014241

    Summary: The triploid marbled crayfish is a rare animal example of speciation by autopolyploidisation and parthenogenesis. It seems to be a particularly suitable model to study how much genetic and epigenetic change is necessary to create a new species.

  • RESEARCH ARTICLE
    Epigenetic regulator Lid maintains germline stem cells through regulating JAK-STAT signaling pathway activity
    Lama Tarayrah, Yuping Li, Qiang Gan, Xin Chen
    Biology Open 2015 4: 1518-1527; doi: 10.1242/bio.013961

    Summary: This study provides new insights into the biological functions of a histone demethylase and sheds light on the interaction between epigenetic mechanisms and signaling pathways in regulating stem cell activities.

  • RESEARCH ARTICLE
    mir-34b/c and mir-449a/b/c are required for spermatogenesis, but not for the first cleavage division in mice
    Shuiqiao Yuan, Chong Tang, Ying Zhang, Jingwen Wu, Jianqiang Bao, Huili Zheng, Chen Xu, Wei Yan
    Biology Open 2015 4: 212-223; doi: 10.1242/bio.201410959

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