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Epigenetics Podcast
Active Motif
153 episodes
2 weeks ago
Discover the stories behind the science!
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Life Sciences
Technology,
Science
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Discover the stories behind the science!
Show more...
Life Sciences
Technology,
Science
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Malaria Chromatin Structure and its Transcriptional Regulation (Karine Le Roch)
Epigenetics Podcast
41 minutes 10 seconds
9 months ago
Malaria Chromatin Structure and its Transcriptional Regulation (Karine Le Roch)
In this episode of the Epigenetics Podcast, we talked with Karine Le Roch from the University of California at Riverside about her work on malaria chromatin structure and its transcriptional regulation. In this Interview Dr. Le Roch discusses her investigation of post-transcriptional controls and nucleosome positioning in Plasmodium falciparum, employing next-generation sequencing and chromatin profiling methods. Karin emphasizes how these methodologies contribute to a comprehensive understanding of gene regulation beyond mere transcription initiation, emphasizing the significance of mRNA binding proteins and their role in stabilizing gene transcripts for translation. This exploration of the interaction between chromatin structure, transcriptional dynamics, and post-transcriptional regulation reveals a multidimensional perspective of gene expression. Transitioning to her lab’s focus on high-throughput genomic technologies, we discuss how Karin and her team are uncovering conserved and species-specific genomic organization principles within various Plasmodium species. By generating 3D genomic models through Hi-C experiments, she describes how they have identified patterns that underline the parasite's immune evasion strategies. In particular, we learn how genes involved in antigenic variation are controlled through intricate epigenetic mechanisms, illuminating the pathways that allow these parasites to elude host immune responses.   References Le Roch, K. G., Zhou, Y., Blair, P. L., Grainger, M., Moch, J. K., Haynes, J. D., De La Vega, P., Holder, A. A., Batalov, S., Carucci, D. J., & Winzeler, E. A. (2003). Discovery of gene function by expression profiling of the malaria parasite life cycle. Science (New York, N.Y.), 301(5639), 1503–1508. https://doi.org/10.1126/science.1087025 Ponts, N., Harris, E. Y., Prudhomme, J., Wick, I., Eckhardt-Ludka, C., Hicks, G. R., Hardiman, G., Lonardi, S., & Le Roch, K. G. (2010). Nucleosome landscape and control of transcription in the human malaria parasite. Genome research, 20(2), 228–238. https://doi.org/10.1101/gr.101063.109 Bunnik, E. M., Cook, K. B., Varoquaux, N., Batugedara, G., Prudhomme, J., Cort, A., Shi, L., Andolina, C., Ross, L. S., Brady, D., Fidock, D. A., Nosten, F., Tewari, R., Sinnis, P., Ay, F., Vert, J. P., Noble, W. S., & Le Roch, K. G. (2018). Changes in genome organization of parasite-specific gene families during the Plasmodium transmission stages. Nature communications, 9(1), 1910. https://doi.org/10.1038/s41467-018-04295-5   Related Episodes Epigenetics in Human Malaria Parasites (Elena Gómez-Diaz)   Contact Epigenetics Podcast on X Epigenetics Podcast on Instagram Epigenetics Podcast on Mastodon Epigenetics Podcast on Bluesky Epigenetics Podcast on Threads Active Motif on X Active Motif on LinkedIn Email: podcast@activemotif.com
Epigenetics Podcast
Discover the stories behind the science!