Epigenetics
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- čas přidán 8. 06. 2024
- You know all about how DNA bases can code for an organism's traits, but did you know there's more influencing phenotype than just the bases? Explore epigenetics with the Amoeba Sisters by learning about a few types of epigenetic marks and some examples of them in action.
Contents:
00:00 Intro
2:14 Epigenetic Marks
4:13 Studies Involving Rodents & Epigenetics
5:51 Points about Inheritance and Factors Involving Inheritance
7:01 Why study Epigentics?
7:51 Epigentic Therapy
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REFERENCES:
Clark, Mary Ann, Matthew Douglas, and Jung Choi. “16.3 Eukaryotic Epigenetic Gene Regulation- Biology 2e | OpenStax.” Biology 2e. OpenStax, March 28, 2018. openstax.org/books/biology-2e...
Klug, William S, Michael R Cummings, Charlotte A Spencer, Michael Angelo Palladino, and Darrell Killian. Essentials of Genetics. Hoboken: Pearson, 2020.
Adams, J. (2008) Obesity, epigenetics, and gene regulation. Nature Education 1(1):128
www.nature.com/scitable/topic...
Weaver IC, Cervoni N, Champagne FA, D'Alessio AC, Sharma S, Seckl JR, Dymov S, Szyf M, Meaney MJ. Epigenetic programming by maternal behavior. Nat Neurosci. 2004 Aug;7(8):847-54. doi: 10.1038/nn1276. Epub 2004 Jun 27. PMID: 15220929.
pubmed.ncbi.nlm.nih.gov/15220...
Robert A. Waterland, Randy L. Jirtle
Transposable Elements: Targets for Early Nutritional Effects on Epigenetic Gene Regulation
Molecular and Cellular Biology Aug 2003, 23 (15) 5293-5300; DOI: 10.1128/MCB.23.15.5293-5300.2003
mcb.asm.org/content/23/15/5293
Dana C. Dolinoy, Dale Huang, Randy L. Jirtle
Maternal nutrient supplementation counteracts bisphenol A-induced DNA hypomethylation in early development
Proceedings of the National Academy of Sciences Aug 2007, 104 (32) 13056-13061; DOI: 10.1073/pnas.0703739104 www.pnas.org/content/104/32/1...
Simmons, D. (2008) Epigenetic influence and disease. Nature Education 1(1):6
www.nature.com/scitable/topic...
Zhang, T. Y., Labonté, B., Wen, X. L., Turecki, G., & Meaney, M. J. (2013). Epigenetic mechanisms for the early environmental regulation of hippocampal glucocorticoid receptor gene expression in rodents and humans. Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology, 38(1), 111-123. doi.org/10.1038/npp.2012.149
Oomen, M. E., & Dekker, J. (2017). Epigenetic characteristics of the mitotic chromosome in 1D and 3D. Critical reviews in biochemistry and molecular biology, 52(2), 185-204. doi.org/10.1080/10409238.2017...
www.cdc.gov/genomics/disease/...
www.sciencemag.org/news/1997/...
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FURTHER READING SUGGESTIONS:
This website is phenomenal for learning about epigenetics, and it was recommended in Pinky’s graduate course.
learn.genetics.utah.edu/conte...
More about histones?
www.nature.com/scitable/defin...
Why did we write the words “some exceptions” when mentioning that methyl groups generally prevent transcription? More info: www.ncbi.nlm.nih.gov/pmc/arti...
We mention these are only some examples of epigenetic marks. What others exist? Check out this further reading which mentions Micro-RNAs.
journals.physiology.org/doi/f...
What do we mean about epigenetic tags being “cleared?” Two great further readings:
learn.genetics.utah.edu/conte...
science.sciencemag.org/conten...
Epigenetic therapy with diseases?
www.ncbi.nlm.nih.gov/pmc/arti...
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MUSIC:
Intro music designed & performed by Jeremiah Cheshire.
End music listed free to use/no attribution required from CZcams audio library.
TRANSLATIONS:
Turkish Subtitles by Kardelen Karaman
We want to thank our amazing community for the generosity of their time in continuing to create translated subtitles. You can submit translated subtitles here: www.amoebasisters.com/pinkys-...
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I just love your voice pinky, it is so clam and it is just funny and cute when your voice change because you are excited and interested about something. i honestly don't care about epigenetics much, i don't even study it right now, just came to drop a like and say 'Thank you so much' you deserve a million subscribers and more! keep up the good work!!
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Excellent presentation..... a little too fast but excellent. When I was a pre dental student the the University of South Florida ( 1965-1969 ) we had an excellent biology teacher ( Dr. Jerome Krivanick ). Through his lectures I acquired a lifelong interest in biology. Epigenetics was in it's primitive state at this time but just when you think you know it all things change and our minds expand.
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Cool video. I love your biology. Thank you pinky for your teaching and thank you pitunia for your amazing images
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