31.what is epigenetics & how it affect our life ماهو علم مافوق الجينات وكيف يؤثر على حياتنا شرح عربي

Follow our pages on:
Facebook:
https://www.facebook.com/profile.php?...
Instagram:
https://instagram.com/net.helix?igshi...
TikTok:
https://www.tiktok.com/@net.helix?_t=...
00:00 introduction
01:16 definitions " what is epigenetics."
09:40 major mechanism of epigenetics modifications
15:18 DNA methylation
20:46 what is   CpG islands.
24:42 DNA methyltransferase types
28:10 DNA methylation importance
31:30 DNA Demethylation
34:39 factors affect DNA methylation
36:00 childhood trauma and how it affects our gene expression
44:55 the diet of the mice affects its color and agouti gene expression
47:03 transmission of methylation from one generation to another  
49:50 difference between transgenerational epigenetics effects and inheritance
53:04 Histone modifications
56:05 Histone code & what is writers, readers & eraser proteins which involved in histone modification
59:36 chemical modification by methyl / acetyl or phosphate group
01:01:34 enzymes involved in histone modifications "HATs" & "HDACs"
01:06:13 Good parenting
01:08:00 examples on epigenetics inertance
01:08:10 flower symmetry
01:08:54 tomato repining  
 

#epigenetics  #epigenetica #epigenetik
#scienceandtechnology #science #biology #biotechnology #genetics #moleculargenetics #biotechnology #genesis #genomeediting #genome