We’re full of bacteria!: Crash Course Biology #38

Bacteria often get a bad rap, but they’re some of our best partners in science and medicine! In this episode, we’ll explore what bacteria are doing with their DNA - including how they can trade it around. We’ll learn about chromosomes and plasmids, gene expression and recombinant DNA, and how E. coli are used to make insulin.
Introduction: The Microbiome 00:00
Prokaryotes & DNA 1:33
Plasmids & Horizontal Gene Transfer 2:44
Insulin 4:49
Gene Expression 6:30
Dr. Rebecca Lancefield 7:54
Review & Credits 9:05
This series was produced in collaboration with HHMI BioInteractive, committed to empowering educators and inspiring students with engaging, accessible, and quality classroom resources. Visit BioInteractive.org/CrashCourse for more information.
Check out our Biology playlist here: • Biology
Watch this series in Spanish on our Crash Course en Español channel here: • Crash Course Biología
Sources: docs.google.com/document/d/1G...
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[@williambilyeu9801]

Bacteria Street Boys! 😊 That's a terrible pun! 😅 I love it! 😂

[@alisutherland1103]

If we could get a whole microbiology class that would be awesome.

[@Velociter]

I've been loving this series! It's making me love biology even more

[@EhrenLoudermilk]

It just blows my mind this stuff is available for free. Thank you

[@Caterfree10]

Hell yeah Miles Morales rep for the Spider-Man reference! Absolute fave spider person tbh. 💜✨

[@malkum77ify]

Recombinant DNA has the potential for treating congenital diseases such as cystic fibrosis and sickle cell anemia. It has the potential to fix genetic errors. They are already early signs of being able to fix sickle cell anemia in some recent trials.

[@LynHannan]

The new Insulin in the 80's did not suit my maternal Grandmother, it didn't "play well" with her other meds for heart and depression at the time. She was having hypos almost weekly, multiple hospital stays for all her problems each year - it was as if all of her problems were magnified, and she was on a CONSTANT roller coaster of symptoms of all her health problems. But in Australia, there was no going back to the "pig Insulin" as it was no longer available in the country. She died only nine years later at 72. I know she was one of a minority, but it still doesn't excuse blanket decisions by government - they should have left it for the customer and their Dr to decide which was better for them. It just goes to show how convoluted Insulin really is, it affects way more than just the transfer of Insulin into cells. Besides my 2 cents worth, a great episode! I was not aware of the different transfer mechanisms of DNA in bacteria, thank you!

[@SonyaDyson]

My 10 year old son and I watch this every night. Thank you

[@erie517]

Thank you for this series! You’re awesome 😊

[@leslieelainehermans4382]

I love the jellyfish lava lamp 😄

[@dhedgpeth]

Keep up the great work! Love all of thes videos!

[@iza595]

Thank you so much for these videos! they are so helpful

[@murtalaabbaadamu]

This is really helpful. Thanks.

[@tomahawk27]

these videos are great!

[@CordBrockmann]

Neat video but I have a few questions: Aren't Archaea there own domain of life, separate from prokaryotes and also more closely related to eukaryotes? And doesn't recombinant insulin that was synthesised in bacteria require extensive chemical modifications to properly function? Which is why it better produced in yeast.

[@RylanBooth]

No way you got the bacteria street boys 😮

[@gailaltschwager7377]

Thank you!

[@isabellaxclark]

Very informative. 🤗

[@jbf5117]

Love it!

[@stax6092]

I once transferred my Jeans horizontally.

[@gameboygaming450]

i love this

[@niloy_root]

very good

[@kchiem]

9:36 What brand jellyfish lava lamp is that?

[@Didomate]

Cool video

[@theeutecticpoint]

plasmids, but no cheeky bioshock reference, I'm surprised

[@sussekind9717]

I thought an entomologist was someone who studied insects?
Although I don't know what they call a bacteria studying scientist - Dr. Bacterius?😂
Just busting your chops, good video. Very informational.

[@BasslineMusicGroupOFFICIAL]

Make more vids pls

[@y.etosha]

Bacteria street boys hahaha

[@headsworthtg3585]

the eukaryote is grey, is that on purpose?

[@gameboi20]

Who’s ready for new CC pilot?

[@heatherbowman9450]

593 likes!💟💟💟💙💙💙

[@docarii]

if I’m composed of more organisms than the cells that make me…
am I… me? or is it we..? who am we..?

[@Davlavi]

Very cool and I first!

[@youskiladetente1]

🤗🤗

[@flexn01]

💫💫

[@zonius100]

No

[@fairygurl9269]

✌😁

[@quocthang7857]

.

[@tindansandow8823]

Noice

[@MCMarioG99S0ccerFTW]

Firsttt

[@user-vy9sv6fh4r]

First

[@willemvandebeek]

first

[@malkum77ify]

Mutation are the keys to life.

[@michaelmayhem350]

By the time you've read this, you've already read it.