mRNA Splicing - mRNA post-transcriptional processing/modifications - What is alternative splicing?

References/Resources:   / the_crux  

pre-mRNA splicing process and mechanism deep-dive video. What are the different types of introns? How does Spliceosome assemble? What are U2-type and U12-type introns? How are U2-type introns removed? How does spliceosome remove introns? What is an outron? What is canonical splicing, alternative splicing, trans splicing, and back splicing?
Jump to your favorite section:
00:00 Outline
00:24 What starts the splicing process?
02:45 Different types of introns
04:30 snRNPs
06:25 Spliceosome assembly
12:44 Trans-esterification steps
13:55 Why is splicing done?
16:16 Outron
18:17 Back splicing

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