Bacteria

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Bozeman Science

Bozeman Science

Күн бұрын

Life on Earth 004 - Bacteria
Paul Andersen describes the defining characteristics of the domain Eubacteria. He begins with a quick description of the phylogeny of bacteria and horizontal gene transfer. He then surveys the structures of a bacteria; nucleoid region, capsule, pilli, cell wall with peptidoglycan, flagella. He describes the differing morphologies and metabolism in different bacteria. He describes how bacteria can be Gram positive or Gram negative. He finishes with a brief discussion of quorum sensing.
Intro Music Atribution
Title: I4dsong_loop_main.wav
Artist: CosmicD
Link to sound: www.freesound.org/people/Cosmi...
Creative Commons Atribution License

Пікірлер: 141
@snipertana
@snipertana 8 жыл бұрын
I have a great relationship with my lecturers. I go to their lectures, smile and nod then come home and cheat on them with Mr Anderson. The guilt is all worth it when I hear your theme tune
@lisas1438
@lisas1438 8 жыл бұрын
+Montana Caller That is hilarious!
@bluffmendozatron1698
@bluffmendozatron1698 7 жыл бұрын
Hahahahahahahah love it
@JaySung_
@JaySung_ 4 жыл бұрын
[TimeLine] 1:08 : Structure - 1:26 : Nucleoid Region - 1:42 : Plasmid - 2:11 : Cell Wall - 2:36 : Peptidoglycan - 3:10 : Capsule - 3:18 : Pilli - 3:24 : Flagella 3:57 : Morphology - 4:06 : Cocci - 4:11 : Bacilli - 4:27 : Others 4:36 : Gram Stain - 4:50 : Gram Negative - 5:13 : Gram Positive 5:31 : Metabolism - 5:40 : Nutritional Type - 5:53 : Source of Energy - 6:05 : Soruce of Carbon 7:06 : Binary Fission 7:51 : Mobile Elements 9:17: Bacterial Communication - 9:49 : Quorum Sensing
@rubyj5464
@rubyj5464 4 жыл бұрын
THANKS
@tomhacking8477
@tomhacking8477 2 жыл бұрын
As a lazy person trying to speedrun my extra work, I would like to thank you lol
@The_Distractinator
@The_Distractinator 9 жыл бұрын
I can't college without Mr.Anderson
@RC-bl2pm
@RC-bl2pm 8 жыл бұрын
hey not a college student...actually a 44 yr old electrician...but this lecture series is well presented and makes good viewing...thanks for producing!
@Ben18202
@Ben18202 3 ай бұрын
well, now 51 yr old
@pranavakinepalli8029
@pranavakinepalli8029 9 жыл бұрын
When he started clicking his tongue, he became my senpai
@sachinshah8099
@sachinshah8099 10 жыл бұрын
I pretty much learn all of the stuff in biology from you
@Panda123452
@Panda123452 7 жыл бұрын
Wow, while my current professor takes 2 hours to explain this topic, you've just done in 11 minutes.
@dvendii
@dvendii 3 жыл бұрын
True
@marihanbadr1271
@marihanbadr1271 5 жыл бұрын
GOD BLESS YOU I'm just speechless at how seamless and clear u make everything. My lecturer made this feel like a nightmare and you made it a dream. Thank you.
@moopbread5582
@moopbread5582 8 жыл бұрын
THIS BYIG. 1:15
@blonde_hobbit1891
@blonde_hobbit1891 9 ай бұрын
That popping noise he made is now my favorite sound.
@homelessboi1487
@homelessboi1487 5 ай бұрын
I was looking for a comment about that 💀
@kendylcosgrove7453
@kendylcosgrove7453 11 жыл бұрын
Seriously, without you and your videos, I don't even want to think about what my AP bio grade would be. Thank you so much for being as committed to teaching as you are.
@PCarmy
@PCarmy 5 жыл бұрын
Thanks for the great comprehensive and easy to absorb information.
@PetersonVidsz
@PetersonVidsz 8 жыл бұрын
Mr. Andersen, I love you!
@alisonchoward9490
@alisonchoward9490 11 жыл бұрын
Thank you thank you! you are so easy to listen to, your lessons flow so smoothly, and sooo informative and helpful!
@des2379
@des2379 11 жыл бұрын
😊I wanted to thank you SO much! You and your videos have been SO helpful to me and I am so grateful there is a teacher like you who takes the time to explain these difficult subjects! These videos got me from averaging at a C on tests to an A-/A lately! I hope it works for my tomorrow morning AP final exam;)
@Babygirlrissa
@Babygirlrissa 2 жыл бұрын
Thanks mr.anderson helping me out with my microbiology class
@ramezh28
@ramezh28 8 жыл бұрын
I don't think I'd be able to understand this without the clicking...
@jvaniee
@jvaniee 10 жыл бұрын
Thanks for the video!! Watching your videos reinforces the material in my textbook.
@allansaxton
@allansaxton 12 жыл бұрын
Just started a college course and this video helped explain a lot of things I didn't know bacteria could even do. So thank you.
@markcohen2533
@markcohen2533 8 жыл бұрын
suddenly it...clicked
@tyang1333
@tyang1333 7 жыл бұрын
Thank you Mr. Anderson💐
@andreh.3886
@andreh.3886 4 жыл бұрын
Amazing video, it simplified everything in easy digestible pieces !
@jenncavallari9899
@jenncavallari9899 3 жыл бұрын
Oh, thank goodness for this lecture. My college is changing to an Open-source Education model, which I fully support, but the change from corporate-owned education materials with accompanying textbooks which mirror the lecture, to their own ppt slides and handouts-in-lieu-of-textbooks, means we are guinea pigs upon which my professors are finding their footing and I am frequently lost. I adore Hank Green but the pace, rapid-pace skip-cuts and lack of depth leave me confused and needing to roll back the vid several times or google to fill in blanks. This is robust, comprehensive and well-paced. Thank you for the help.
@juanpablobm2003
@juanpablobm2003 5 жыл бұрын
Teacher you help me a lot on my PhD homeworks, thank you so much. You are the best.
@alleywoo6584
@alleywoo6584 10 жыл бұрын
Best video I ever watched extremely precise!
@duboischarlotte5523
@duboischarlotte5523 9 жыл бұрын
I'm about to start Med school; and being in a mathematics specialized class I had like no freaking idea of even the basics of biology ; so your videos are just saviiiiiiiiing me x) and I'm actually loving Bio !! ( wannet to be an astrophysicist all my life ; but we don't have those in my country , it just sucks )
@Indicesproptrader
@Indicesproptrader 7 жыл бұрын
Dubois Charlotte Just do it! More power to you :)
@biomathcode
@biomathcode 7 жыл бұрын
I have the same story bro may u succeed in life
@jacksonbolton3031
@jacksonbolton3031 3 жыл бұрын
how'd med school go
@duboischarlotte5523
@duboischarlotte5523 3 жыл бұрын
@@Indicesproptrader @Pratik Sharma @Jackson B I just saw the replies and it really warms my heart ❤️ it turned out great , met amazing people, and found great satisfaction in helping those in need ❤️☺️
@zipit4644
@zipit4644 6 жыл бұрын
Regarding the gram staining, I believe the reason the gram-negative bacteria do not stain so darkly is due to the thin peptidoglycan layer allowing leeching of the initial crystal violet dye when washed with alcohol (its outer membrane is also removed during this process), whereas the gram-positive bacteria retain this stain due to its thick peptidoglycan layer. The bacteria sample is then stained with a reddish dye that shows up in the gram-negative bacteria, but not in the gram-positive bacteria due to its crystal violet stain masking this lighter stain. Also, your images are a little confusing due to the peptidoglycan layers showing the wrong colours.
@capndazz
@capndazz 6 жыл бұрын
Thanks for sharing! Yes, very helpful.
@HeyImLucious
@HeyImLucious 9 жыл бұрын
That Quorum Sensing is really interesting, and finally explains how pathogens "know" when to remain in a more dormant state inside a host and when to start going into overdrive replicating like crazy and actually inducing the disease-response of our bodies. Really want to learn more about that, and hopefully a way to use it to our advantage, maybe a signal that induces apoptosis for bacterial infections without having to worry about whether or not the strain is anti-biotic resistant or not.
@GrandmasbabyNas
@GrandmasbabyNas 6 жыл бұрын
Welp... I received an A in A&P 1 and 2 with the help of your videos. Now on to Mirco Biology :)
@syedahmed8650
@syedahmed8650 11 ай бұрын
I used to watch your videos as a senior in high school studying for AP Bio. Now I’m watching you as a 2nd year medical student. Thanks!
@itay6412
@itay6412 6 жыл бұрын
Hey Mr Anderson! Can you please make a video about Antibiotics? All the best
@sophiale1208
@sophiale1208 9 жыл бұрын
it helps me to understand bacteria better !!!
@songthanh896
@songthanh896 8 жыл бұрын
Thanks for your clip ! It's really helpful for me to study in biotech area :))
@alittlebitalexislalalala
@alittlebitalexislalalala 10 жыл бұрын
You're awesome. I find this really interesting!
@bijanghassemi2888
@bijanghassemi2888 9 жыл бұрын
what would we do without you… lol you're awesome
@Amb3r1981
@Amb3r1981 7 жыл бұрын
Can you please discuss why microorganisms prefer certain pH levels and what is happening to the bacteria's structure. Thank you
@motherearth4141
@motherearth4141 6 жыл бұрын
Thank you so much sir.really great
@nickking6371
@nickking6371 Жыл бұрын
I wonder if there is a connection between quorum sensing in bacteria and primitive brain cells
@sarahmina1442
@sarahmina1442 6 жыл бұрын
Thank you so much, great video ^^
@kcinedsreob
@kcinedsreob 7 жыл бұрын
I love you Mr Anderson❤️
@josuedavidsaldana887
@josuedavidsaldana887 10 жыл бұрын
Do you have a video that talks about broad/narrow spectrum antibiotics?
@manuelsantiagolr
@manuelsantiagolr 11 жыл бұрын
fantástico. Mis alumnos te lo agradecerán siempre.
@xXUniqueSunRaysXx
@xXUniqueSunRaysXx 11 жыл бұрын
Thanks a lot your video helped me a lot with my PCAT exam :)
@eravulgachris
@eravulgachris 11 жыл бұрын
Love your videos... just one thing about this one though - the distinction between the eukaryote nucleus and the bacterial nucleoid region could have been better made - lack of nucleus membrane etc.
@klaymonkey9073
@klaymonkey9073 9 жыл бұрын
can antibiotic action be described as "soaking into" the cell membrane? This term was used in a lecture in reference to time-dependant antibiotics taking a few days to work. So is "soaking in" something antibiotics do?
@FatemaMo
@FatemaMo 12 жыл бұрын
Just a note - there is no periplasmic space in gram positive bacteria?
@magictooth2
@magictooth2 3 жыл бұрын
epic sound effects
@kibromgebrezgabher7648
@kibromgebrezgabher7648 10 жыл бұрын
You are good...I wish you are around.
@eduardoespiritu1110
@eduardoespiritu1110 4 жыл бұрын
Sir how to make phototrophic bacteria?
@osamalet
@osamalet 11 жыл бұрын
It'd be better if you gave some more fine details about distinguishing between gram + and - bacteria like teichoic acids, LPS etc...
@luzsennysantos233
@luzsennysantos233 8 жыл бұрын
you are the best !!!!
@leonidmilman
@leonidmilman 12 жыл бұрын
Hello, I was wondering, what program(s) do you use to make the your videos?
@user-to6mi8lx7q
@user-to6mi8lx7q Ай бұрын
Thank you
@moona2771
@moona2771 8 жыл бұрын
thx .. you really make it easy for my to study 😊
@anikixvi
@anikixvi 11 жыл бұрын
is there a video of endo and exotoxins?
@SKY12688
@SKY12688 11 жыл бұрын
Thank you so much! You are very Good
@6851952
@6851952 12 жыл бұрын
Well done. Just the right information. G!reat delivery
@mabel1406
@mabel1406 11 жыл бұрын
YOU'RE THE BEST! Thank you ;)
@mohdaminfirdausmohdzain6464
@mohdaminfirdausmohdzain6464 4 жыл бұрын
What software of apps you use in this presentation?
@demitrishami6066
@demitrishami6066 8 жыл бұрын
Thanks
@user-ir1hp3so8c
@user-ir1hp3so8c 6 жыл бұрын
thanks
@kaitokofuku6500
@kaitokofuku6500 5 жыл бұрын
Bacteria are one of the most impressive microorganisms.
@errolangbaka9173
@errolangbaka9173 6 жыл бұрын
"The Eaters of Life" sounds like the title of some horror movie
@DrYing
@DrYing 12 жыл бұрын
very good
@nikitabt2177
@nikitabt2177 4 жыл бұрын
*hello, my self NIKITA from INDIA* *thank you so much sir For us to understand* *Sir you have got one more subscriber................................Who........................ * that is *ME* 😁😁😍 😍😍💜💜💜 * And I was looking for a similar channel which I have now found* 😍😍😍
@prestonmichael7843
@prestonmichael7843 6 жыл бұрын
i just now realized that Bozeman was for Bozeman Montana :o :o :o :o
@alexsnowberg2181
@alexsnowberg2181 9 жыл бұрын
How much magnification do you need to see bacteria clearly in a microscope?
@saintisraelmedi7686
@saintisraelmedi7686 8 жыл бұрын
Very helpful
@127Claumc
@127Claumc 11 жыл бұрын
Love it!
@AntonConstanti
@AntonConstanti 10 жыл бұрын
The devourers of Life, Light and Earth.
@LPJunkie10
@LPJunkie10 9 жыл бұрын
As he said the "Eaters of Life" i was like WTF , that name is epic
@moopbread5582
@moopbread5582 8 жыл бұрын
+Victim Of Reality That is the most metal description of bacteria I have ever heard. Someone please turn this into a song. XD
@joetookmyvideo
@joetookmyvideo 11 жыл бұрын
Thanks for the vids
@lucymotyka510
@lucymotyka510 7 ай бұрын
You know, everyone in the comments is some college student using this, meanwhile I need this video as a freshman in high school. Maybe this is why I struggle so much in bio
@nafikhan2007
@nafikhan2007 5 жыл бұрын
Loved it
@TheKandiK
@TheKandiK 10 жыл бұрын
Geez, what is your degree in??? Why can't I be this eloquent when it comes to Microbiology?
@samfaspage25
@samfaspage25 8 жыл бұрын
isn't he from crash course
@zacharyivanhawkins251
@zacharyivanhawkins251 10 жыл бұрын
Great video, but I think algae and other protists are not considered part of the bacteria phylogeny, true? Cyanobacteria are definitely bacteria though. I guess my point is that I think its a historical misinterpretation to call cyanobacteria blue green "algae."
@umbigbry
@umbigbry 3 жыл бұрын
are u hank green's long lost brother
@randomvlogsanne
@randomvlogsanne 3 жыл бұрын
Probably. I thought so too. I think it would be great if Bozeman Science and CrashCourse collaborate someday.
@historian96
@historian96 3 жыл бұрын
6:48-6:53 -- Dear professor, It surprised me when you called algae examples of bacteria, because I had learned from a textbook that algae were protists, not bacteria. So I looked it up and found conflicting information. I found this statement: "Although cyanobacteria are often referred to as "blue-green algae", most authorities exclude all prokaryotes from the definition of algae." [citing these two sources: (a) Nabors, Murray W. (2004). Introduction to Botany. San Francisco: Pearson Education, Inc. ISBN 978-0-8053-4416-5. (b) Allaby, M., ed. (1992). "Algae". The Concise Dictionary of Botany. Oxford University Press.] // But while looking into this, I also read, "With the abandonment of plant-animal dichotomous classification, most groups of algae (sometimes all) were included in Protista, later also abandoned in favour of Eukaryota." And when I looked up Protist on wikipedia, I saw that there has been so much debate regarding classifications. ... So, when you gave the example at 6:48-6:53, were you referring to cyanobacteria? Thank you, sir. Good videos.
@Lucifermorningstarash
@Lucifermorningstarash Жыл бұрын
are luciferase called that because lucifer means "light-bringer" and luciferase can glow?
@KJKP
@KJKP 4 жыл бұрын
I don’t think cytokenis culminates in a loud click. I think it’s more like someone pulling on leather pants or an elestic glove, pulling with a lot of rubber-stretching sound, and then, once fit is achieved, a small pop like a soap bubble bursting. Who agrees?
@rt36crazyfists
@rt36crazyfists 6 жыл бұрын
Endosymbiosis is not horizontal gene transfer.
@1dovecot
@1dovecot 12 жыл бұрын
1:14 This BIG.
@mustanglp50
@mustanglp50 11 жыл бұрын
horizontal gene transfer= genes form one organism moved into the dna of another, its not linear gene transfer such as having sex and making a baby, a good example would be pili enabling them to share episomes (which are kinda like plasmids but instead it goes into the bacterial genome)
@tinasebastian5831
@tinasebastian5831 12 жыл бұрын
thank u...... :)
@cheerfulchic8894
@cheerfulchic8894 10 жыл бұрын
I enjoyed the video and got a better understanding of Metabolism and Bacteria but you went too fast. Slow down just a bit please.
@supercell615
@supercell615 10 жыл бұрын
can bacteria share dna between species?
@supercell615
@supercell615 10 жыл бұрын
***** i mean cqn yhey do it between two completly different types of bacteria
@supercell615
@supercell615 10 жыл бұрын
***** i mean can they do it between two completly different types of bacteria
@supercell615
@supercell615 10 жыл бұрын
thanks just wanted to clerify
@An1maa
@An1maa 10 жыл бұрын
very good , ypu should be a teacher
@Jaimerafa1
@Jaimerafa1 11 жыл бұрын
8:10 release the... KRAKEN
@cricketrox4ever
@cricketrox4ever 7 жыл бұрын
Thanks bae
@thotsslayernigga5977
@thotsslayernigga5977 6 жыл бұрын
cricketrox4ever np baby
@xiiixiiih.16
@xiiixiiih.16 2 жыл бұрын
I thought every thing has a good purpose?
@moopbread5582
@moopbread5582 8 жыл бұрын
BASIC LEE.
@Rahmanooooo
@Rahmanooooo 11 жыл бұрын
U ROCK
@ass2141
@ass2141 8 жыл бұрын
yo
@happylittlemonk
@happylittlemonk 2 жыл бұрын
So the diagram at 0:29 shows that Diplomats are the lowest form of life LOL
@luisga3709
@luisga3709 5 жыл бұрын
you keep calling archea bacteria, and they are not, they are in another domain. It really becomes very confusing after a few sentences in which you mention bacteria intechangeably and without making a clear distinction if is is bacteria-bacteria or what you named "archeo bacteria".... ...
@oliverjudson1834
@oliverjudson1834 2 жыл бұрын
archea are also known as archeobacteria
@wirtsleg
@wirtsleg 6 жыл бұрын
Thank you for your lecture. One error however, humans do not share any sort of ancestry of any other kind of organism. Humans begets humans.
@ReadySetBret
@ReadySetBret 10 жыл бұрын
Algae are eukaryotes, not bacteria!
@BenjaminDod
@BenjaminDod 9 жыл бұрын
Color spill bro. I'd switch to a blue screen if you want better skin tones and less spill.
@awelhusen3093
@awelhusen3093 8 жыл бұрын
real Iwonder you!!!!!!!!!!!!!!!!!!!!!!!!!!
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