TALENs - TALE NUCLEASES - GENE EDITING EXPLAINED!

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Genomics Guru

Genomics Guru

Күн бұрын

This series of short presentations on gene editing is brought to you by Dr Adam West, College of Medical Veterinary and Life Sciences at the University of Glasgow, Scotland.
www.gla.ac.uk/people/adamwest
This presentation describes the architecture of TALE nucleases, which are engineered proteins used for genome editing.
This is part of a series ( • Genome Editing Explained ) that also covers
Zinc finger nucleases (ZFNs)
CRISPR adaptive immune systems
Using CRISPR/Cas9 for genome editing
CRISPR specificity
Precision editing
Homology directed repair
Prime editing
This presentation is primarily aimed at university students, researchers, clinicians and journalists interested in fields related to molecular biology and genetics. It is for education purposes only.
Please leave a comment to let us know whether this was helpful to you and what you think we should cover next. We are a new channel so please give us a like and share our video on your social media if you think others should see it. We have a lot of content coming up, so please subscribe!
More accessible presentations for a wide audience can be found in the “Explained Simply” section of this channel in the near future.
Artwork is © Adam West with the exception of images and data taken from publications referenced in these slides. References to reviews and journal articles are denoted by circled numbers at the bottom right of the slides.
Links to these numbered articles are listed below. We recommend these as your best way to begin further reading on this subject.
Publication List
10. Kim H, Kim JS.
A guide to genome engineering with programmable nucleases.
Nat Rev Genet. 2014 May;15(5):321-34.
doi.org/10.1038/nrg3686
12. Boch J, Bonas U. Xanthomonas
AvrBs3 family-type III effectors: discovery and function.
Annu Rev Phytopathol. 2010;48:419-36.
doi.org/10.1146/annurev-phyto...
13. Bogdanove AJ, Schornack S, Lahaye T.
TAL effectors: finding plant genes for disease and defense.
Curr Opin Plant Biol. 2010 Aug;13(4):394-401.
doi.org/10.1016/j.pbi.2010.04...
14. Mak AN, Bradley P, Cernadas RA, Bogdanove AJ, Stoddard BL.
The crystal structure of TAL effector PthXo1 bound to its DNA target.
Science. 2012 Feb 10;335(6069):716-9.
doi.org/10.1126/science.1216211
15. Joung JK, Sander JD.
TALENs: a widely applicable technology for targeted genome editing.
Nat Rev Mol Cell Biol. 2013 Jan;14(1):49-55.
doi.org/10.1038/nrm3486
16. Mussolino C, Cathomen T.
TALE nucleases: tailored genome engineering made easy.
Curr Opin Biotechnol. 2012 Oct;23(5):644-50.
doi.org/10.1016/j.copbio.2012...
Music credits
“Go, Icarus! Go!” by The Whole Other
“New Year” by Bad Snacks
(KZfaq Audio Library)

Пікірлер: 35
@qwerty00000hghgmhvmgh
@qwerty00000hghgmhvmgh 3 жыл бұрын
RVD stands for Repeat Variable Diresidue. The amino acids in the middle are called central TAL targeting domain.
@xavierwong5044
@xavierwong5044 Жыл бұрын
Watched your video on ZFNs and CRISPR as well, has helped a heap with my assignment. Thanks you for the great videos 👍
@GenomicsGurus
@GenomicsGurus Жыл бұрын
Great to hear Xavier. Best wishes for your studies 👍🏼
@anirakbenadam112
@anirakbenadam112 3 ай бұрын
Your explantions are very clear, I enjoyed your videos and learned a lot. Thank you very much!!!
@stanleysalivan7587
@stanleysalivan7587 3 жыл бұрын
Great video; Shortly and very clearly explained. Thank you!
@GenomicsGurus
@GenomicsGurus 3 жыл бұрын
Thanks Stanley. Glad you found it useful!
@jackpertzel
@jackpertzel 3 жыл бұрын
Extremely helpful making my assignments much easier Thank you!!
@GenomicsGurus
@GenomicsGurus 3 жыл бұрын
Glad you found it useful Jack. Check out our other genome editing videos.
@brandonunger8439
@brandonunger8439 4 жыл бұрын
Really enjoying this series of videos Thank You
@GenomicsGurus
@GenomicsGurus 4 жыл бұрын
You're very welcome. Glad you're enjoying them!
@TheDRNA
@TheDRNA 3 жыл бұрын
Great video, detailed yet short thank you
@GenomicsGurus
@GenomicsGurus 3 жыл бұрын
Glad you found it useful!
@caiorodriguescorrea497
@caiorodriguescorrea497 3 жыл бұрын
Thank you for the very helpful video and good job on the channel!
@GenomicsGurus
@GenomicsGurus 3 жыл бұрын
Thanks for your kind feedback. Hope you enjoy the rest of the videos!
@deepikakumar1430
@deepikakumar1430 Жыл бұрын
it is so good ,very helpful
@karolinawasilewska1748
@karolinawasilewska1748 3 жыл бұрын
Very clear and helpful presentation. Thanks you so much :))
@GenomicsGurus
@GenomicsGurus 3 жыл бұрын
Thanks Karolina. Glad you found it useful.
@carissejadeangulo20
@carissejadeangulo20 3 жыл бұрын
Extremely helpful in making my topic discussion for one of my plant breeding subjects. Thank you so much sir!
@GenomicsGurus
@GenomicsGurus 3 жыл бұрын
Glad it helped. Best wishes for your studies!
@carissejadeangulo20
@carissejadeangulo20 3 жыл бұрын
@@GenomicsGurus Sir if I may. Does "predictable specificity" pertain to the exception of the 12th and 13th amino acids in the repeat?
@GenomicsGurus
@GenomicsGurus 3 жыл бұрын
Residues 12/13 in each repeat are the variable amino acids that make contacts with the bases and thus direct specificity
@halihammer
@halihammer Жыл бұрын
Very nice images!
@johannacatalinaroseroroser6993
@johannacatalinaroseroroser6993 3 жыл бұрын
Thank you you so much! :)
@GenomicsGurus
@GenomicsGurus 3 жыл бұрын
Glad you found it useful!
@akashphukan6452
@akashphukan6452 Жыл бұрын
Thank you
@mohammadhammad8908
@mohammadhammad8908 2 жыл бұрын
ITS REALLY A GOOD PRECISE AND HELPFUL VIDEO BE BLESSED
@GenomicsGurus
@GenomicsGurus 2 жыл бұрын
Glad it was helpful!
@jamesraymond1158
@jamesraymond1158 Жыл бұрын
Excellent! I finally understand it. However, one question: at 3:40 where the TALENs are biding to the DNA, it seems that the TALENs are too bulky to fit close enough together to bind to successive nucleotides.
@GenomicsGurus
@GenomicsGurus Жыл бұрын
The successive domains curve round the the DNA helix like a propeller - it's an amazing structure
@kiara_l8732
@kiara_l8732 3 жыл бұрын
is this method susceptible to off target cleavage like with CRISPR enzymes?
@GenomicsGurus
@GenomicsGurus 3 жыл бұрын
It is more specific than CRISPR, but all nuclease technologies have a degree of off-target activity. This introductory talk briefly mentioned obligate heterodimer mutations. These greatly reduce off-target cleavage arising from binding to only one half-site. With these FokI mutations, TALENs are arguably the most specific platform. Specificity isn’t the only issue though, new technologies like prime editing, which avoids creating a DSB, also reduce unwanted repair outcomes. See my talk on that...
@kiara_l8732
@kiara_l8732 3 жыл бұрын
@@GenomicsGurus thank you for the help! :)
@ahmadnaveed170
@ahmadnaveed170 3 жыл бұрын
SIR PDF AWABILE THIS LECATURE
@GenomicsGurus
@GenomicsGurus 3 жыл бұрын
There is not.
@subhojeetroychoudhary6364
@subhojeetroychoudhary6364 Жыл бұрын
Boka_____ amake aro guliye dilo
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