RNA processing
85.9 هزار بار بازدید -
12 سال پیش
-
This lecture explains about the
This lecture explains about the RNA processing in eukaryotes including 5 prime capping and 3 prime polyadenylation.
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In 1977, work by using the Sharp and Roberts labs printed that genes of larger organisms are "cut up" or reward in a few specific segments alongside the DNA molecule.The coding regions of the gene are separated through non-coding DNA that isn't involved in protein expression. The cut up gene constitution was located when adenoviral mRNAs have been hybridized to endonuclease cleavage fragments of single stranded viral DNA. It was once located that the mRNAs of the mRNA-DNA hybrids contained 5' and 3' tails of non-hydrogen bonded regions. When greater fragments of viral DNAs have been used, forked buildings of looped out DNA have been observed when hybridized to the viral mRNAs. It was realized that the looped out areas, the introns, are excised from the precursor mRNAs in a system Sharp named "splicing". The cut up gene structure was subsequently located to be fashioned to most eukaryotic genes. Phillip Sharp and Richard J. Roberts have been awarded the 1993 Nobel Prize in Physiology or remedy for their discovery of introns and the splicing system.
Animation source: Discover Biology, Core 3rd Edition, W W Norton and company
Link- http://www.wwnorton.com/college/biolo...
http://shomusbiology.com/
Download the study materials here-
http://shomusbiology.com/bio-material...
Remember Shomu’s Biology is created to spread the knowledge of life science and biology by sharing all this free biology lectures video and animation presented by Suman Bhattacharjee in YouTube. All these tutorials are brought to you for free. Please subscribe to our channel so that we can grow together. You can check for any of the following services from Shomu’s Biology-
Buy Shomu’s Biology lecture DVD set- www.shomusbiology.com/dvd-store
Shomu’s Biology assignment services – www.shomusbiology.com/assignment -help
Join Online coaching for CSIR NET exam – www.shomusbiology.com/net-coaching
We are social. Find us on different sites here-
Our Website – www.shomusbiology.com
Facebook page- Facebook: ShomusBiology
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SlideShare- www.slideshare.net/shomusbiology
Google plus- https://plus.google.com/1136485849827...
LinkedIn - LinkedIn: suman-bhattacharjee-2a051661
Youtube- thefunsuman
Thank you for watching
In 1977, work by using the Sharp and Roberts labs printed that genes of larger organisms are "cut up" or reward in a few specific segments alongside the DNA molecule.The coding regions of the gene are separated through non-coding DNA that isn't involved in protein expression. The cut up gene constitution was located when adenoviral mRNAs have been hybridized to endonuclease cleavage fragments of single stranded viral DNA. It was once located that the mRNAs of the mRNA-DNA hybrids contained 5' and 3' tails of non-hydrogen bonded regions. When greater fragments of viral DNAs have been used, forked buildings of looped out DNA have been observed when hybridized to the viral mRNAs. It was realized that the looped out areas, the introns, are excised from the precursor mRNAs in a system Sharp named "splicing". The cut up gene structure was subsequently located to be fashioned to most eukaryotic genes. Phillip Sharp and Richard J. Roberts have been awarded the 1993 Nobel Prize in Physiology or remedy for their discovery of introns and the splicing system.
Animation source: Discover Biology, Core 3rd Edition, W W Norton and company
Link- http://www.wwnorton.com/college/biolo...
12 سال پیش
در تاریخ 1391/09/05 منتشر شده
است.
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