Creating Bacterial Glycerol Stocks

  Рет қаралды 75,112

Addgene

Addgene

Күн бұрын

Пікірлер: 48
@addgene
@addgene 2 жыл бұрын
Addgene does not regularly monitor comments posted here, so we may not see your question immediately. We’d be happy to answer any questions sent to help@addgene.org as soon as possible. Please include the name of the video along with any questions so our support team can help. Thanks!
@AsadAli-to2zu
@AsadAli-to2zu 4 жыл бұрын
Thank you Racheal. I already knew the process. But I like your video and your style of explaining things. Keep up the good work.
@park_chaeni
@park_chaeni 3 жыл бұрын
Thanks a lot from KOREA!
@rkomukyeya
@rkomukyeya 4 жыл бұрын
That’s my sister👏🏿👏🏿💓
@coralyscintroncintron8131
@coralyscintroncintron8131 2 жыл бұрын
Thank you for your videos! They are easy to follow and well explained.
@davidcristianrodriguesluca3496
@davidcristianrodriguesluca3496 9 ай бұрын
Thanks for this video. It has been helping me a lot.
@saakshisaini4920
@saakshisaini4920 4 жыл бұрын
Thanks for sharing this protocol.. also you are a deloght to watch.. thank you very much!😊
@alejandrogilgomez3853
@alejandrogilgomez3853 3 жыл бұрын
Thank you for the video. I think the 70% isopropanol in the materials needed list may be a mistake since it is no longer mentioned in the rest of the video.
@udayawimalasiri5957
@udayawimalasiri5957 3 жыл бұрын
Informative and nice presentation. Thank you!
@derinkamal7284
@derinkamal7284 Жыл бұрын
Thanks for your Amazing Video, I have Clostridium Species, I want to Save it, Which Protocol do you recommend,?? Can I use same protocol that you talked abouted on the Video??
@mwebesaaaron1811
@mwebesaaaron1811 3 жыл бұрын
Thank you.
@subashdevkota207
@subashdevkota207 4 жыл бұрын
Thank u for beautiful tips
@hanielnkadi3040
@hanielnkadi3040 3 жыл бұрын
Thanks a lot
@shameeramahawattage7150
@shameeramahawattage7150 4 жыл бұрын
Thank you
@DrHKM-ui9xn
@DrHKM-ui9xn 4 жыл бұрын
Thanx for this important info
@nirvanasingh2
@nirvanasingh2 8 ай бұрын
Should the 50% glycerol be sterilised/autoclaved?
@chaeranichaerani5416
@chaeranichaerani5416 3 жыл бұрын
Thanks for the clear explanation. I have 2 questions. Does the glycerol have to be sterilized first? What is the 70% isopropanol for?
@addgene
@addgene 3 жыл бұрын
Thanks for the question! If your stock solution of glycerol isn't already sterilized, you can sterilized a diluted glycerol solution (ie. 50% glycerol) using an autoclave or HEPA filter. The 70% isopropanol is used to help keep your work area sterile.
@Val-zx7ro
@Val-zx7ro 3 жыл бұрын
Wonderful!
@asimabibi1141
@asimabibi1141 10 ай бұрын
Superb,please take up the topic of micro manipulation
@imatg01
@imatg01 Жыл бұрын
Wish my teachers were like u rachell ☹️
@mhamado.abdullah6925
@mhamado.abdullah6925 4 жыл бұрын
Well done,
@kaneezehussain5039
@kaneezehussain5039 2 жыл бұрын
Please tell that the bacterial culture should be an overnight culture? Or we can also use a 3 day old liquid culture?
@addgene
@addgene 2 жыл бұрын
Hello, we recommend incubating liquid cultures overnight. For the best results, we recommend using your liquid culture immediately after. Please see our protocol for Inoculating a Liquid Bacterial Culture. www.addgene.org/protocols/inoculate-bacterial-culture/
@swati656
@swati656 4 жыл бұрын
please share the procedure for fungi as well
@addgene
@addgene 4 жыл бұрын
Thanks for your question! Check out ATCC’s mycology guide. It has sections covering cryopreservation and lyophilization of yeasts and filamentous fungi. www.atcc.org/en/Guides.aspx
@hussainzahra2447
@hussainzahra2447 3 жыл бұрын
Thank you I have acquisition can I use brain heart broth instead of lb for preservation of E.colo
@addgene
@addgene 3 жыл бұрын
Thank you for your question! While our laboratory uses LB for growth of E. coli, it may be possible to instead use BHI. Please see the following publication (pubmed.ncbi.nlm.nih.gov/26120385/), which should provide some additional information.
@hussainzahra2447
@hussainzahra2447 3 жыл бұрын
How much amount of media to glycerol should I mix and when I should add glycerol to broth before or after bacteria have been grown
@addgene
@addgene 3 жыл бұрын
@@hussainzahra2447 Hello again! You should add glycerol to the culture after it's been allowed to grow overnight. We recommend combining 500 uL of your overnight culture with 500 uL of a 50% glycerol solution. You can find more details and tips for creating a glycerol stock in this protocol - www.addgene.org/protocols/create-glycerol-stock/
@hussainzahra2447
@hussainzahra2447 3 жыл бұрын
Addgene thank you so much
@tehminaahsankhan182
@tehminaahsankhan182 2 жыл бұрын
hi can we store our glycerol stocks at -20. will bacterial stocks stored at -20 be functional.
@nurulnadhirahruzelan798
@nurulnadhirahruzelan798 4 жыл бұрын
hello, so nice video. I would like to ask. is it okay if I streak my bacteria onto the nutrient agar instead of LB agar?
@addgene
@addgene 4 жыл бұрын
Thanks for the question! Nutrient agar can also be used. In general, LB agar is a subtype of nutrient agar. Nutrient agar is very rich and can grow a large variety of bacteria.
@aNDY-y7u4m
@aNDY-y7u4m 4 жыл бұрын
Does the overnight culture that's diluted with glycerol contain the selection antibiotic? Or should you leave that away?
@addgene
@addgene 3 жыл бұрын
No, you don't need to add antibiotics to the glycerol stocks.
@hamzaalati4959
@hamzaalati4959 4 жыл бұрын
Hi, Dear, I have a gene in plasmid bacteria in -80 and I have taken some of it and I did miniprep and so on so before I have done miniprep I took 2 ml from that before I did centrifuge and miniprep and now I need to take the 2 ml and I need to return that to -80 Could I do this by puting it in bacteria and glycerol and return it in -80
@addgene
@addgene 3 жыл бұрын
You should be able to use the additional 2ml to make a new glycerol stock. You can check out our written protocol for a little more info: www.addgene.org/protocols/create-glycerol-stock/
@kksanshine1706
@kksanshine1706 4 жыл бұрын
Thank you so much❤️ l have some question. Can I stored E. coli stock in -20 c instead?
@addgene
@addgene 4 жыл бұрын
Thanks for the question. Unfortunately, no. The glycerol/E. coli mixture would not freeze completely at -20, which is why lower temperatures are required for long-term storage.
@fadiaaljanabi4054
@fadiaaljanabi4054 4 жыл бұрын
thank you can I use the same concentration and protocol to stock staphylococcus species and use it then . and for overnight bacterial culture i must preper it by use LB broth? thanks a alot
@addgene
@addgene 4 жыл бұрын
Thanks for the question! Different strains often require different growth and storage conditions. If you are working with S. aureus, I would recommend following this protocol from Current Protocols in Microbiology: www.ncbi.nlm.nih.gov/pmc/articles/PMC6211185/
@designerguy6257
@designerguy6257 Жыл бұрын
Hello. I am writing a science fiction graphic novel where a scientist finds a plant whose cell can express a phenotypical gene after not being able to find other plants that can express the gene. The gene is to take a human gene, transect that gene to a plant and then transect that transformed cell into another human to be expressed with a particular DNA. I wrote a scene where the scientist has discovered the correct plant that can express the gene that needs to be expressed without being too toxic to the plant. The only catch is he does this in nature by himself. Somewhere in the wilderness. He escapes from a lab, grabbing minimal essential tools to perform the experiment. But he later finds, on his path in the wilderness, a bunch of flowers that can express the gene he needs to transect without it being too acidic. Is a scenario where a scientist can do something like this outside, or in a sheltered area by himself, maybe a gas station or something?
@TalsBadKidney
@TalsBadKidney 4 жыл бұрын
2 cool
@rahmankarim8846
@rahmankarim8846 3 жыл бұрын
thank you
@desitraveller4282
@desitraveller4282 2 жыл бұрын
Thank you
@tybahfiras7983
@tybahfiras7983 3 ай бұрын
Thank you
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