Histone acetylation and methylation

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  • Опубліковано 12 січ 2025

КОМЕНТАРІ • 260

  • @sergioreazalopez4943
    @sergioreazalopez4943 4 роки тому +132

    This man has single-handedly been carrying my grades in this pandemic.

    • @shomusbiologyofficial
      @shomusbiologyofficial  4 роки тому +12

      Thank you so much for appreciating my efforts. Glad to hear that you're getting benefit from my lectures

    • @dinahovland6036
      @dinahovland6036 4 роки тому +3

      SAME. im binge watching:)

  • @HelloMoto_
    @HelloMoto_ 2 роки тому +21

    you have literally helped me during my bachelors, my masters, and now studying for the MCAT. Shomu you are the best! THANK YOU

    • @shomusbiologyofficial
      @shomusbiologyofficial  2 роки тому +5

      Thank you so much for appreciating my efforts

    • @aashi1524
      @aashi1524 Рік тому

      Hi can you pls respond , which country are you now pursuing your studies from ?

    • @HelloMoto_
      @HelloMoto_ Рік тому

      @@aashi1524 US

  • @jennysteward1675
    @jennysteward1675 6 років тому +7

    I would never miss your class of you were my professor. You are an awesome teacher, and we need more professors like you.

  • @christina6882_
    @christina6882_ 9 років тому +26

    This was exactly what I needed for my molecular biology final, thank you!

  • @clownkidcentral
    @clownkidcentral 4 роки тому +73

    INDIAN MEN TEACH ME MORE THAN ANY TEACHER

  • @christinakimont4222
    @christinakimont4222 5 років тому +5

    I love these 10 minute bites of knowledge! They're super easy to follow. Thank you!

  • @arunkumars6257
    @arunkumars6257 2 роки тому +1

    Your videos helped me to clear DBT BET. Thank you so much sir!

  • @nehakii5782
    @nehakii5782 4 роки тому +6

    Cannot thank u enough for all this u do for us🙏🏽👏🏼

  • @anuanand6874
    @anuanand6874 8 років тому +3

    Sir u are just awesome...hats off...these videos help me a lot in making mol bio so easy...now i actually can relate one process with other..thank you so much sir....

  • @mushkanshaw9610
    @mushkanshaw9610 5 років тому +1

    Sir I am one of your greatest fans... please make more videos & if possible give more description about the topics in the description box so that it could help us in getting a note making idea too

  • @vijaykumar-qz3ku
    @vijaykumar-qz3ku 4 роки тому +3

    Thank you sir I found this was very hard to understand but you made me understand very clearly

  • @sujitbaruah4536
    @sujitbaruah4536 3 роки тому +1

    My interest is physics but I find your uploads very interesting . Thanks

  • @flyingmorningdew
    @flyingmorningdew 4 роки тому +3

    Histone H3 Lys 4 is the active histone mark... and histone N terminal domain, instead of C- is the modification hotspot.

  • @subhenduroychowdhury8293
    @subhenduroychowdhury8293 6 років тому +1

    Thanks a lot, Somu. You explained the acetylation of histone very clearly .

  • @souhile18
    @souhile18 9 років тому +41

    histone modifications actually occurs on the N-terminal tail of histones

    • @shomusbiologyofficial
      @shomusbiologyofficial  9 років тому +8

      Yes they occur at the N terminal

    • @mampidutta327
      @mampidutta327 8 років тому +4

      if it's on n tail... y u said c termn

    • @9wycc
      @9wycc 6 років тому +11

      Please add note in the video or record it again, this is going to mislead everybody watching this.

    • @Abeliever000
      @Abeliever000 4 роки тому +1

      This somu always makes such mistakes....please learn properly before you teach!

    • @noornoorehira2842
      @noornoorehira2842 4 роки тому +10

      @@Abeliever000 mistakes to sb se hoti hain and he is also a human being so instead of degrading appreciate his efforts he made for the students🙂sorry if you mind..

  • @arjunmody1057
    @arjunmody1057 4 роки тому +4

    Really make it very easy for us ....really helpful video ....make more video on biochem ....

    • @shomusbiologyofficial
      @shomusbiologyofficial  4 роки тому +1

      You're welcome. Glad to hear that you're getting benefit from my lectures

  • @phani991
    @phani991 9 років тому +25

    In the histones video you said n-terminal tails are more suited for chemical modifications. Here,you talked about c-terminal. Can you clarify this. Brilliant content over all and thanks a lot.

    • @allyb1271
      @allyb1271 8 років тому +6

      I also wondered about this. I can confirm from reading the literature that acetylation modifications primarily occur on the n-terminals. Reference - www.ncbi.nlm.nih.gov/pmc/articles/PMC3193420/

    • @ncertbiowallah2367
      @ncertbiowallah2367 6 років тому +1

      Itz n terminal babe ......dnt confuse

    • @santhoshkumars1031
      @santhoshkumars1031 5 років тому

      @@allyb1271 Thanks for the link
      It will really be helpful to build my thesis.

    • @ipsitakar4348
      @ipsitakar4348 5 років тому

      It's N terminal . He said it by mistake may be...don't confuse

    • @lintamariajoseph5354
      @lintamariajoseph5354 4 роки тому

      @@allyb1271 thank you so much ❤️

  • @ks99911
    @ks99911 4 роки тому +7

    Happy teacher's day to our secret teacher ❤️

  • @shereenmagdy9561
    @shereenmagdy9561 2 роки тому +1

    Thank you so much for your efforts, you are helping me a lot in my master.

  • @richaagrawal9296
    @richaagrawal9296 7 років тому +2

    thankx for ur videos for csir net ,it explain all topics in v easy way ,really i m v thankful for it .

    • @shomusbiologyofficial
      @shomusbiologyofficial  7 років тому +1

      +Richa Agrawal thank you. Glad you liked my lectures

    • @richaagrawal9296
      @richaagrawal9296 7 років тому +2

      Shomu's Biology ji aapke videos ne study easy bana di he ,me choti jagah rahti hu or koi coaching and notes avilable nhi ,me gov job me up me primary me teacher hu or aabhi hal hi me aage update krne ke uddashy se msc botany me bhoj university se top kiya ,pr june ka net dekr thoda nirash ho gai thi but jab se aapke videos dekhe hei dubara se study pr focus kr rhi hu.

  • @jamesanastasius2756
    @jamesanastasius2756 3 роки тому +1

    Beautiful done presentation,keep up the good work

  • @ayushi9624
    @ayushi9624 2 роки тому +2

    Thanks sir ... For clearing our doubts ... You are really great....
    Superb 👌👌

  • @noornoorehira2842
    @noornoorehira2842 4 роки тому +1

    Asslam o alaikum! I am from pakistan! Sir you are so amazing really.. Very well explained.. And i actually learn from your videos more than anywhere.. Thank you soooo much for all of your videos and concepts.. I easily understand the concept from your videos really.. Keep uploading your new concepts😊

  • @abdulmajid-cy4nb
    @abdulmajid-cy4nb Рік тому +1

    Amazing brother your lecture are awesome

  • @CrazyNukeStudios
    @CrazyNukeStudios 5 років тому +2

    You are a legend! Thank you for all the videos!

  • @aastha9975
    @aastha9975 6 місяців тому +1

    How brilliant personality you are..🎉❤

  • @robinbrown7592
    @robinbrown7592 9 років тому +20

    Sir, great video. The only improvement that I could suggest is that you slow down when you speak. You are a little hard to understand at some points. But other then that great video!

    • @michaelreyes2301
      @michaelreyes2301 5 років тому +6

      Or you can try to adapt to his teaching style rather than him to you.

    • @e.c.2215
      @e.c.2215 5 років тому

      You can modify the speed of the video in the settings.

    • @ahmedalmashhadany8240
      @ahmedalmashhadany8240 3 роки тому

      Make it on 0.75x

  • @farmanraza2806
    @farmanraza2806 4 роки тому +1

    Welldone sir Keeep it Up
    Best wishes 👌❤
    From Pakistan KpK

    • @shomusbiologyofficial
      @shomusbiologyofficial  4 роки тому

      You're welcome. Glad to hear that you're getting benefit from my lectures

  • @DaViDsMoMmA11
    @DaViDsMoMmA11 9 років тому +1

    I love all of your videos! Great job! Please keep making them! :)

  • @rasmisarkar6190
    @rasmisarkar6190 5 років тому +2

    Thank you so much sir for the awesome explanation.....

  • @abhijit4010
    @abhijit4010 9 років тому

    u r vedio helped me to crack net jrf.thnk u verymuch

  • @nitikagatam9212
    @nitikagatam9212 9 років тому

    sir........... realy ur notes are very helpful................thanku very much..............

  • @ankitapaul3137
    @ankitapaul3137 7 років тому

    thank u so much... i completed my max syllabus by u.. thank u.. nucleosome soliniod model is my need.. plz do a clasa..

  • @abhiramikb3730
    @abhiramikb3730 2 роки тому +1

    You are really great sir. Hats off you

  • @sparktheclark1
    @sparktheclark1 4 роки тому

    Thank you this has really helped, stay safe

  • @quratjaan5165
    @quratjaan5165 8 місяців тому +1

    Well explained !
    Thank you !

  • @yumna7861
    @yumna7861 7 років тому

    THANK you sir
    Kindly make a video on
    Regulation of the chromatin structure .
    Ur videos are very helpful .
    Thank You

  • @abdikaladire2278
    @abdikaladire2278 8 років тому

    Masha Allah! very helpful video, thank you very much

  • @ahmed.yassine4846
    @ahmed.yassine4846 8 років тому

    thank you for clarifing my ideas Good job continue

  • @nublalatheef2795
    @nublalatheef2795 7 років тому +3

    Great video! Although, I think you meant methylation of Lys 4 for transcriptional activation of gene promoters. Rather than Lys 3? Would you please clarify this?

  • @manalabdullatheef9517
    @manalabdullatheef9517 4 роки тому +1

    Great video, but I think it's 4th position of lysine for transcription activation

  • @movieclimaxexplained4053
    @movieclimaxexplained4053 5 років тому +1

    Sincere effort. U r a good teacher

  • @Vishal5171
    @Vishal5171 5 років тому +1

    You are the best sir .....

  • @sayantansaha53
    @sayantansaha53 4 роки тому +1

    Great explanation sir

  • @chantellim3880
    @chantellim3880 7 років тому

    Thank you! This video was so helpful

  • @kweensisan557
    @kweensisan557 7 років тому

    really nice..sequential and detailed

  • @SRavi-gd8og
    @SRavi-gd8og 6 років тому +3

    Sir, Good video but you mentioned methylation or any modifications occured in N-terminals of Histones in previous video but you completely explained those on C-Terminal. Please dont confuse the viewers.

  • @EJDin
    @EJDin 4 роки тому +5

    0.75x speed is perfect to those who find him too fast.

  • @circuitbuddy3007
    @circuitbuddy3007 4 роки тому +1

    Best explanation ❤

  • @lilpotato1950
    @lilpotato1950 4 роки тому

    thank you so much. i really appreciate your chanel it helps me a lot. :)

  • @sivaramakrishna5192
    @sivaramakrishna5192 6 років тому

    extraordinary explanation thank u so much somu sir

  • @rhon0x
    @rhon0x 6 років тому +1

    This video is very helpful! Just one thing: lysine is K not L (as he wrote in the top right of the board)

  • @samirantarafder6450
    @samirantarafder6450 6 років тому

    Thanks a lot for clear me the concept

  • @fahimalamnobel4789
    @fahimalamnobel4789 8 років тому

    sir how r u,, ur lectures help me a lot,,,and most of the time I used to see ur lecture,,do u have any lecture on epigenetices and diseases, and epigentices and environmental effect

  • @the_encephalonaire
    @the_encephalonaire 4 роки тому

    Acetylation and methylation of h3 occurs on which terminals c or n?

  • @saminuibrahim7890
    @saminuibrahim7890 3 роки тому +1

    Absolutely great...!!

  • @sadiasahab5685
    @sadiasahab5685 5 років тому

    Bio statistics lectures to resolve a problem I need to understand.

  • @wawa2824
    @wawa2824 9 років тому +4

    Dear Shomu, I believe that you meant methylation of Lysine 4 on H3 to induce an activation, not Lysine 3...

    • @subhenduroychowdhury8293
      @subhenduroychowdhury8293 6 років тому

      He explained methylation of lysine3 in the H3 subunit helps to unwrapp DNA for replication or transcription

    • @doctorofmedicine1113
      @doctorofmedicine1113 6 років тому

      That is not true it is Methylation on lysine reside 4 i.e H3 K4 which causes activation ....not on 3 as he said

    • @aritribhattacharyya
      @aritribhattacharyya 5 років тому

      Sir which is the correct ans....residue 3/4?

  • @mehdisharifitabar7745
    @mehdisharifitabar7745 9 років тому

    Thank youIt was really interesting!!!

  • @arpitabairagya9960
    @arpitabairagya9960 Рік тому +1

    Very nice video.

  • @amenakamel5990
    @amenakamel5990 7 років тому

    Very good lecture

  • @annbehanan8871
    @annbehanan8871 7 років тому

    This is so helpful! Thank you :)!

  • @M_5787
    @M_5787 2 роки тому +1

    thankyou so much sir 😊🙏

  • @marianbuttler9250
    @marianbuttler9250 9 років тому

    Very Nice good job thank you very much

  • @lifesciencebeast9786
    @lifesciencebeast9786 6 років тому

    Sorry sir and thanks ...
    I found the videos of the histone modification in your channel in details thank u ...sir ...

  • @swalexander6218
    @swalexander6218 7 років тому +2

    Thank you very much. Is it possible that permanent high or
    too low “cortisol level” leads to gene methylation? Your answer is appreciated.

  • @pranabmallik5465
    @pranabmallik5465 5 років тому +1

    Good teacher

  • @EricWilsonALegend
    @EricWilsonALegend 9 років тому

    So helpful, thank you!

  • @MolecularMedicine327
    @MolecularMedicine327 6 років тому

    thank u sir for making this video

  • @shivajigotepatil7669
    @shivajigotepatil7669 5 років тому +1

    Nice sir, but what about H1 protein

  • @simonsteen-andersen3181
    @simonsteen-andersen3181 3 місяці тому

    Does Unmethylated CpG DNA exist in humans,- although to a lesser degree as in mammals? Can unmethylated CpG DNA lead to activation of the innate immune response in humans presenting with type 1 Interferonopathies of SLE?
    What is the role of p38 mapk in the methylation of this innate activation?

  • @simranpareta9807
    @simranpareta9807 Рік тому

    Sir Is Modification occur in both the terminal c and n because in histone video you mentioned the n terminal for modi..?

  • @lifesciencebeast9786
    @lifesciencebeast9786 6 років тому

    Sir really really help full video thanks a lot sir
    Sir from this video I get the common prosedure of modification but what actually happened there ... I mean process off ..
    Sir please make a another video on It please sir

  • @nehachoudhary4774
    @nehachoudhary4774 3 роки тому

    I am PhD scholar working on chromatin biology. please correct the video statement that histone modification occurs at n terminal not at c terminal as it can mislead other students

  • @pranavsood2058
    @pranavsood2058 8 років тому

    Hi Shomu, loved the video, just one question. If a histone has been methylated and the DNA is tightly wound around the histone, is it possible acetylate the DNA to unwind it?

  • @naqeebraja2197
    @naqeebraja2197 4 роки тому

    Sir plz confirm whether methylation occur on c terminal of histone or on the bases of DNA such as cysteine.if mistake do correct it

  • @theshillonggirl
    @theshillonggirl 4 роки тому

    Difference between histone acetyltransferase and N acetyltransferase???

  • @msmikymiks
    @msmikymiks 9 років тому

    awesome..great job!!

  • @lintamariajoseph5354
    @lintamariajoseph5354 4 роки тому

    Sir I have doubt ... Is methylation occur in both lysins and arginine or only in lysine . I hope you will reply fastly because Monday I have exam

  • @cee3368
    @cee3368 5 років тому

    Is it true if the dna is unpacked the genes are activated and when packed the genes are inhibited ? Videos online say the opposite but my lecture tells me this

  • @liyakatali8662
    @liyakatali8662 6 років тому +1

    sir i have little bit confused ..in the previous video you said N-terminal is very important, now you saying c-terminal plz sir correct it, which one is correct

    • @abuzarkhan527
      @abuzarkhan527 6 років тому

      Yes he corrected in one of his comment that modification is at n terminal

  • @AMITMISHRA-zz6rv
    @AMITMISHRA-zz6rv 8 років тому

    very very concept full vedio.

  • @mmh7897
    @mmh7897 4 роки тому

    I think methylation procces occures in H3 histone and aceytlation in H4 histone.

  • @artipeshrana8058
    @artipeshrana8058 4 роки тому

    Can I write histone acetylation and methylation brief in chromatin remodeling..

  • @M_Sathya
    @M_Sathya 6 років тому

    here in this video you talk about lysine methylation , what about arginine methylation ?

  • @paolainvernizzi2028
    @paolainvernizzi2028 8 років тому

    Acetylation happens on the N-terminal tail

  • @fatemehshafiean6825
    @fatemehshafiean6825 7 років тому

    Thank you . It is very goooooooood

  • @anushizuka2914
    @anushizuka2914 4 роки тому

    Sir, its not C terminal, it is N terminal where modifications mainly occurs.

  • @Mohor220
    @Mohor220 2 місяці тому

    Sir can you suggest a book on genetics? Of Msc level, zoology

  • @aso071
    @aso071 7 років тому

    hi Mr. Suman
    the acetyl group will bind to the C-Terminal or to the N - tail ?
    because you said in the previous video that histones have N - tails , but here you said C - Terminal.
    Regard

    • @AndreasSippus
      @AndreasSippus 7 років тому

      There is both N and C terminal tail but histone modifications occur mostly (not 100%) on N-terminal tail.

  • @rishirana1334
    @rishirana1334 3 роки тому

    Can you please tell me What is an epigenetic inheritence?

  • @jazleenapj2962
    @jazleenapj2962 7 років тому

    When you write single letters for amino acids please stick on to the correct form.
    You can't write 'L' to denote lysine because 'L' is used for Leucine.

  • @babu3342
    @babu3342 9 років тому +1

    good work

  • @BallyBoy95
    @BallyBoy95 6 років тому +1

    I love this teacher aha.

  • @meerpeya5139
    @meerpeya5139 7 років тому

    nice video but i forget many things related to your viedos something are clearly understood but some are not...likr role of enzymes in DNA packaging

  • @farheenzafar9511
    @farheenzafar9511 6 років тому

    Actually it is not clear that which terminal of histone protien is modified by different modifications??

  • @samridhitiwari5848
    @samridhitiwari5848 8 років тому +2

    what is histone code hypothesis?

  • @bibhuprasadbehera5606
    @bibhuprasadbehera5606 4 роки тому

    What is differences between global and targeted acetylation of histones?

  • @ChandrachurMukherjee96
    @ChandrachurMukherjee96 8 років тому

    how do we call it adenosyl methyl transferase .... just a few moments back you told that the methyl group is getting attached to lysine (either 3rd or 9th) and not a neucleoside

    • @shomusbiologyofficial
      @shomusbiologyofficial  8 років тому

      +Chandrachur Mukherjee acetyl action and methylation can take place in both DNA as well as in histone. Adenosyl methyl transferase add methyl group to the DNA

    • @ChandrachurMukherjee96
      @ChandrachurMukherjee96 8 років тому

      oh... thanks..

  • @purvanshivakil2531
    @purvanshivakil2531 2 роки тому

    Which of the X chromosome will be inactivated? On what does that depend? Or is it random, any of the x chromosome is inactivated?