Meiotic sex chromosome inactivation and the XY body: a phase separation hypothesis

KG Alavattam, S Maezawa, PR Andreassen… - Cellular and Molecular …, 2022 - Springer
In mammalian male meiosis, the heterologous X and Y chromosomes remain unsynapsed
and, as a result, are subject to meiotic sex chromosome inactivation (MSCI). MSCI is …

Combination therapy as a promising way to fight oral cancer

JPN Silva, B Pinto, L Monteiro, PMA Silva, H Bousbaa - Pharmaceutics, 2023 - mdpi.com
Oral cancer is a highly aggressive tumor with invasive properties that can lead to metastasis
and high mortality rates. Conventional treatment strategies, such as surgery, chemotherapy …

Genome accessibility dynamics in response to phosphate limitation is controlled by the PHR1 family of transcription factors in Arabidopsis

AC Barragán-Rosillo… - Proceedings of the …, 2021 - National Acad Sciences
As phosphorus is one of the most limiting nutrients in many natural and agricultural
ecosystems, plants have evolved strategies that cope with its scarcity. Genetic approaches …

A-MYB and BRDT-dependent RNA Polymerase II pause release orchestrates transcriptional regulation in mammalian meiosis

AK Alexander, EJ Rice, J Lujic, LE Simon… - Nature …, 2023 - nature.com
During meiotic prophase I, spermatocytes must balance transcriptional activation with
homologous recombination and chromosome synapsis, biological processes requiring …

Endogenous retroviruses drive species-specific germline transcriptomes in mammals

A Sakashita, S Maezawa, K Takahashi… - Nature structural & …, 2020 - nature.com
Gene regulation in the germline ensures the production of high-quality gametes, long-term
maintenance of the species and speciation. Male germline transcriptomes undergo dynamic …

Znhit1 controls meiotic initiation in male germ cells by coordinating with Stra8 to activate meiotic gene expression

S Sun, Y Jiang, Q Zhang, H Pan, X Li, L Yang… - Developmental cell, 2022 - cell.com
The switch from mitosis to meiosis ensures the successive formation of gametes. However, it
remains unclear how meiotic initiation occurs within the context of chromatin. Recent studies …

The transcription factor TCFL5 responds to A-MYB to elaborate the male meiotic program in mice

K Cecchini, A Biasini, T Yu, M Säflund, H Mou… - …, 2023 - rep.bioscientifica.com
In brief The testis-specific transcription factor, TCFL5, expressed in pachytene
spermatocytes regulates the meiotic gene expression program in collaboration with the …

More than causing (epi) genomic instability: emerging physiological implications of transposable element modulation

PS Hsu, SH Yu, YT Tsai, JY Chang, LK Tsai… - Journal of Biomedical …, 2021 - Springer
Transposable elements (TEs) initially attracted attention because they comprise a major
portion of the genomic sequences in plants and animals. TEs may jump around the genome …

Polycomb protein SCML2 mediates paternal epigenetic inheritance through sperm chromatin

A Sakashita, M Ooga, K Otsuka… - Nucleic acids …, 2023 - academic.oup.com
Sperm chromatin retains small amounts of histones, and chromatin states of sperm mirror
gene expression programs of the next generation. However, it remains largely unknown how …

Retinoic acid is dispensable for meiotic initiation but required for spermiogenesis in the mammalian testis

O Kirsanov, TA Johnson, BA Niedenberger… - …, 2023 - journals.biologists.com
Retinoic acid (RA) is the proposed mammalian 'meiosis inducing substance'. However,
evidence for this role comes from studies in the fetal ovary, where germ cell differentiation …