Uploaded February 2021 | Updated September 2026, 3 weeks ago
Harvard University graduate student Anastasia Repouliou talks us through why bacterial cell walls are important and why understanding how they are built and maintained can help us stay healthy.
Credits:
Public Domain Images on PIXNIO:
MICROGRAPH OF E. COLI COLONY by CDC/JANICE HANEY CARR
MICROGRAPH OF E. COLI CELL by JANICE HANEY CARR, USCDCP ON PIXNIO
MICROGRAPH OF V. CHOLERAE CELL by JANICE HANEY CARR, USCDCP ON PIXNIO
MICROGRAPH OF S. AUREUS COLONY by JANICE HANEY CARR, MATTHEW J. ARDUINO, DRPH, USCDCP ON PIXNIO
Other footage:
VIDEO OF BALLOON EXPLODING by JAVIER MARIN
VIDEO OF B. SUBTILIS CELLS LYSING by SEAN WILSON
special thanks to JULIEN BARRERE for shooting the lab footage
Royalty-free music from Benjamin Tissot (also known as Bensound):
JAZZ COMEDY SOUNDTRACK (bensound.com/royalty-free-music/track/jazz-comedy) from Bensound
Creative Commons Licensed sounds on Feesound.org:
NATURE "Relaxing Forest Birds Chirping in the North Woods" by taavhaap (freesound.org/people/taavhaap/sounds/528661/) licensed under CCBY 3.0
BEACH “Beach.wav” by Mydo1 (freesound.org/people/Mydo1/sounds/169911/) licensed under CC0 1.0
CITY “Sound of the city.mp3” by utuherz (freesound.org/people/utuherz/sounds/400913/) licensed under CCBY 3.0
ANGEL CHOIR “AHHHH” by random_intruder (freesound.org/people/random_intruder/sounds/392172/) licensed under CC0 1.0
SINISTER APPROACH “Something Evil Approaches, A.wav” by InspectorJ (www.jshaw.co.uk) (freesound.org/people/InspectorJ/sounds/413315/) licensed under CCBY 3.0
EVIL LAUGH “Cartoon Laugh” by JohnsonBrandEditing (freesound.org/people/JohnsonBrandEditing/sounds/173933/) licensed under CC0 1.0
WATER DRINKING “Drink Sip and Swallow” by Ashe Kirk (Owlish Media) (freesound.org/people/OwlStorm/sounds/320139/) licensed under CC0 1.0
POPPING “blip-plock-pop” by onikage22 (freesound.org/people/onikage22/sounds/240566/) licensed under CC0 1.0
CLANGING “Donk Metal & Glass” by EminYILDIRIM (freesound.org/people/EminYILDIRIM/sounds/555252/) licensed under CCBY 3.0
OH YEAH “OH YEAH LOW 4.WAV” by metrostock99 (freesound.org/people/metrostock99/sounds/345086/) licensed under CC0 1.0
TSK TSK “humpf tsk tsk.mp3” by juror2 (freesound.org/people/juror2/sounds/196402/) licensed under CC0 1.0
DUN-DUN-DUN “Dun dun dun.wav” by Simon_Lacelle (freesound.org/people/Simon_Lacelle/sounds/45654/) licensed under CCBY 3.0
SNEEZE “Sneeze.mp3” by sjnewton (freesound.org/people/sjnewton/sounds/256570/) licensed under CCBY 3.0
TA-DA! “Tada Fanfare A” by plasterbrain (freesound.org/people/plasterbrain/sounds/397355/) licensed under CC0 1.0
Other sound effects:
WHISTLING by DAN HENTHORN
Harvard University graduate student Anastasia Repouliou talks us through why bacterial cell walls are important and why understanding how they are built and maintained can help us stay healthy.
Credits:
Public Domain Images on PIXNIO:
MICROGRAPH OF E. COLI COLONY by CDC/JANICE HANEY CARR
MICROGRAPH OF E. COLI CELL by JANICE HANEY CARR, USCDCP ON PIXNIO
MICROGRAPH OF V. CHOLERAE CELL by JANICE HANEY CARR, USCDCP ON PIXNIO
MICROGRAPH OF S. AUREUS COLONY by JANICE HANEY CARR, MATTHEW J. ARDUINO, DRPH, USCDCP ON PIXNIO
Other footage:
VIDEO OF BALLOON EXPLODING by JAVIER MARIN
VIDEO OF B. SUBTILIS CELLS LYSING by SEAN WILSON
special thanks to JULIEN BARRERE for shooting the lab footage
Royalty-free music from Benjamin Tissot (also known as Bensound):
JAZZ COMEDY SOUNDTRACK (bensound.com/royalty-free-music/track/jazz-comedy) from Bensound
Creative Commons Licensed sounds on Feesound.org:
NATURE "Relaxing Forest Birds Chirping in the North Woods" by taavhaap (freesound.org/people/taavhaap/sounds/528661/) licensed under CCBY 3.0
BEACH “Beach.wav” by Mydo1 (freesound.org/people/Mydo1/sounds/169911/) licensed under CC0 1.0
CITY “Sound of the city.mp3” by utuherz (freesound.org/people/utuherz/sounds/400913/) licensed under CCBY 3.0
ANGEL CHOIR “AHHHH” by random_intruder (freesound.org/people/random_intruder/sounds/392172/) licensed under CC0 1.0
SINISTER APPROACH “Something Evil Approaches, A.wav” by InspectorJ (www.jshaw.co.uk) (freesound.org/people/InspectorJ/sounds/413315/) licensed under CCBY 3.0
EVIL LAUGH “Cartoon Laugh” by JohnsonBrandEditing (freesound.org/people/JohnsonBrandEditing/sounds/173933/) licensed under CC0 1.0
WATER DRINKING “Drink Sip and Swallow” by Ashe Kirk (Owlish Media) (freesound.org/people/OwlStorm/sounds/320139/) licensed under CC0 1.0
POPPING “blip-plock-pop” by onikage22 (freesound.org/people/onikage22/sounds/240566/) licensed under CC0 1.0
CLANGING “Donk Metal & Glass” by EminYILDIRIM (freesound.org/people/EminYILDIRIM/sounds/555252/) licensed under CCBY 3.0
OH YEAH “OH YEAH LOW 4.WAV” by metrostock99 (freesound.org/people/metrostock99/sounds/345086/) licensed under CC0 1.0
TSK TSK “humpf tsk tsk.mp3” by juror2 (freesound.org/people/juror2/sounds/196402/) licensed under CC0 1.0
DUN-DUN-DUN “Dun dun dun.wav” by Simon_Lacelle (freesound.org/people/Simon_Lacelle/sounds/45654/) licensed under CCBY 3.0
SNEEZE “Sneeze.mp3” by sjnewton (freesound.org/people/sjnewton/sounds/256570/) licensed under CCBY 3.0
TA-DA! “Tada Fanfare A” by plasterbrain (freesound.org/people/plasterbrain/sounds/397355/) licensed under CC0 1.0
Other sound effects:
WHISTLING by DAN HENTHORN
