abarral

Dr. B's microbio stuff

Science EN ↓ 66 episodes

Just audio recordings of microbiology lectures for students who want to listen without needing to watch a video. Based on the OpenStax microbiology textbook.

Author

abarral

Category

Science

Podcast website

podcasters.spotify.com

Latest episode

Nov 20, 2025

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Episodes

Mechanisms of Microbial Genetics part 2 Ch.11 30.05.2025

Openstax ch.11 https://openstax.org/books/microbiology/pages/11-4-protein-synthesis-translation Cult classic from the 1970s: Stanford students visualize translation https://youtu.be/u9dhO0iCLww?si=ALRdY13skRNheR3o More modern version: https://youtu.be/41_Ne5mS2ls?si=H9K-6RatTWnxbJm2 More advanced one: https://youtu.be/TfYf_rPWUdY?si=rfN_eK6zTaz5R1cx Another animation: https://youtu.be/2dV5s6v2v8Q?...

Mechanisms of Microbial genetics part 1 ch.11 30.05.2025

Openstax ch.11 https://openstax.org/books/microbiology/pages/11-introduction Simpler DNA replication https://youtu.be/TNKWgcFPHqw?si=iKA-HkSMTkgpEtjZ DNA replication https://youtu.be/4jtmOZaIvS0?si=vd-ZVUusT1e2E3KT Transcription and translation https://youtu.be/41_Ne5mS2ls?si=U8SS_tdzOAgt3k4F

Biochemistry of the genome Ch.10 28.05.2025

Ch.10 Openstax: https://openstax.org/books/microbiology/pages/14-2-fundamentals-of-antimicrobial-chemotherapy Watson shows base pairing: https://youtu.be/PDeaLxoL75M?si=CeHpaXdSxKdg0fU2 If you thought genomics was boring, the genomics of beer: https://youtu.be/VmxdU-M0eXY?si=ZM6k6Xwv7BxrSPPY DNA/RNA structure video: https://youtu.be/nuC1_jiqq5g?si=k2ssReTA4wvUiiCd

Microbial growth Ch.9 25.05.2025

Openstax chapter https://openstax.org/books/microbiology/pages/9-introduction Recap of serial dilutions https://youtu.be/l8HgDPajsMI?si=i0Ci3ttcpY4Umbuk Timelapse of bacterial growth https://youtu.be/XLmk0zYIFjE?si=1CtntArben22eJWa

Metabolism part 2 Ch.8 23.05.2025

Openstax chapter https://openstax.org/books/microbiology/pages/8-introduction Oxidation & reduction video https://learn.genetics.utah.edu/content/metabolism/carbon Metabolic pathways interactive https://learn.genetics.utah.edu/content/metabolism/pathways/ Glycolysis with music https://youtu.be/6JGXayUyNVw?si=_mER382t3mRBlwm4 Cheese and microbes https://youtu.be/9krRP2aSewo?si=vOQzWzzXqw9Qxrl-...

Metabolism part 1 Ch.8 23.05.2025

Sorry it is a long one! Openstax chapter 8: https://openstax.org/books/microbiology/pages/8-1-energy-matter-and-enzymes Rap song about redox stuff: https://youtu.be/VCpNk92uswY?si=aIy97qYRdR0AI6ve How enzymes work https://youtu.be/yk14dOOvwMk?si=BMZgIIDsHA4XSoN3

Acellular pathogens Ch.6 20.05.2025

Openstax chapter: https://openstax.org/books/microbiology/pages/6-introduction Cool animation of a bacteriophage infection: https://youtu.be/uFXuxGuT7H8?si=QiFJPQFQ5SzomlnJ HIV & reverse transcriptase: https://youtu.be/PlSvywlLuNw?si=1qZZA_7oVHl0HYHw Covid virus infection: https://youtu.be/LoVJCx6XXMM?si=LNk2HZIxGAGK7UjN Infectious encephalitis (including measles): https://youtu.be/unleaXRtsC0...

Eukaryotic diversity Ch5 15.05.2025

Openstax book https://openstax.org/books/microbiology/pages/5-introduction Candida auris https://youtu.be/jw8TB4jw-jM?si=4wgtjbHItDm7hf86

Prokaryotic diversity Ch4 15.05.2025

Tough mudder and Aeromonas infection https://news.yahoo.com/tough-mudder-near-san-francisco-022410696.html Aeromonas is an enteric btw https://en.wikipedia.org/wiki/Aeromonas Here is Conan the bacterium: https://www.smithsonianmag.com/smart-news/conan-the-bacterium-has-what-it-takes-to-survive-on-mars-180981019/

Intro to micro lab 15.05.2025

The first couple of weeks of micro lab may feel overwhelming with so many new techniques and lots of information. Dr. B puts it in the context of "real life" especially as related to clinical lab and health care.

The Cell part 2 Ch.3 12.05.2025

Cool clip of the inside of a cell https://youtu.be/wJyUtbn0O5Y?si=It07OzeTMnrcMFhz Flagella, pili, and fimbriae https://youtu.be/VzqC7nag6KM?si=1aoHq31RLff2ChcO This is a cool video about modern day endosymbionts with some amazing live microscopy of amoebas https://youtu.be/4LhBZ2H5SwM?si=bCIHPjzext8UIGje

The Cell part 1 Ch3 12.05.2025

Ch.3 of Openstax: https://openstax.org/books/microbiology/pages/3-introduction Cool interactive for cells https://learn.genetics.utah.edu/content/cells/insideacell20/ Intro to plasmids (they can be used as tools of genetic engineering) https://youtu.be/SdqJFA6mOkI?si=ro8jXgtgtNVPfbXg Endospores in the food industry: https://youtu.be/L9uAf9Bsmvg?si=5vTKw6Pfv-5j9J50

Microbial Biochemistry Ch.7 09.05.2025

Openstax book chapter 7: https://openstax.org/books/microbiology/pages/7-introduction How gamers can help figuring out the 3-d structure of a protein: https://www.youtube.com/watch?v=axN0xdhznhY&list=PLCB386EB2B4D1097A&index=13

Basic Chemistry special 09.05.2025

Opnestax appendix about chemistry: https://openstax.org/books/microbiology/pages/a-fundamentals-of-physics-and-chemistry-important-to-microbiology NaCl bonding song: https://youtu.be/ljvX-RMv_lw?si=yoV6RwhIjlWI3aBn TEAS test prep chemistry video: https://youtu.be/j9rLiSLIsh4?si=4Gl9FmiVBAywprGo Same TEAS series but with chemistry questions: https://youtu.be/B3_nogbF8ZM?si=j4qsi_O5Ap5dSWND

How we see the invisible world Ch.2 09.05.2025

Chapter 2 of Openstax book: https://openstax.org/books/microbiology/pages/2-introduction Cell size and scale https://learn.genetics.utah.edu/content/cells/scale/ Virtual microscope https://learn.genetics.utah.edu/content/cells/microscope Intro to electromagnetic spectra https://youtu.be/lwfJPc-rSXw?si=tyklygzUV3cDsTFI Preparing smears https://youtu.be/OrSmJst_lPM?si=iqurYByQ70SSuEx9

Lab special: Intro to Tiny Earth 09.05.2025

Tiny Earth website: https://tinyearth.wisc.edu/ Intro video for TE: https://youtu.be/fZtjAfEUHyo?si=gWZUqQu8IcOoaObL Soil sampling: https://youtu.be/4KlKQT9YGL8?si=vnwzMskq73I4ous6 Screening for antibiotic production https://youtu.be/MKRRkrad6K8?si=y5G6P44IWiOwU_jt More such videos at TE Instructional In 2017, NU students got a honorary mention for this video: https://youtu.be/HIxA356o-jU?si=EoV5f...

Intro to microbiology part 2 Ch 1 06.05.2025

Taxonomy 101, microbial groups. Openstax chapter 1 https://openstax.org/books/microbiology/pages/1-3-types-of-microorganisms

Intro to microbiology part 1 Ch1 06.05.2025

Intro to microbiology: brief history and types of microbiology. Openstax chapter 1: https://openstax.org/books/microbiology/pages/1-introduction Like cheese? Here is a cool video about how microbes contribute to cheese (in a good and bad way): https://youtu.be/9krRP2aSewo?si=hzBer-ilH2EpzRAM History of microscope: https://youtu.be/TJyOQmdwHhE?si=ZDiWeASukVUJQBRZ Mrs. Fleming dr. Voureka https://en...

Protein Synthesis Part 2 Tropp Chapter 16 17.08.2024

Summary videos: https://www.youtube.com/watch?v=5bLEDd-PSTQ https://www.youtube.com/watch?v=Ikq9AcBcohA Kirky Stanford video: https://library.ucsd.edu/dc/object/bb90484996 (best quality video) and a story of its making: https://stanmed.stanford.edu/protein-synthesis-an-epic-on-the-cellular-level/

Protein Synthesis Part 1 Tropp Chapter 16 16.08.2024

Recap: https://www.youtube.com/watch?v=Ikq9AcBcohA

Small Silencing RNAs Tropp Chapter 15 16.08.2024

Summary siRNA and miRNA https://www.youtube.com/watch?v=cK-OGB1_ELE&t=45s MiRNA https://www.youtube.com/watch?v=5YsTW5i0Xro 2024 review article https://www.cell.com/trends/molecular-medicine/fulltext/S1471-4914(24)00190-4?_returnURL=https%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS1471491424001904%3Fshowall%3Dtrue

RNA Pol II: Co-and Posttranscriptional Processes Tropp Chapter 14 15.08.2024

Lariat splicing https://www.youtube.com/watch?v=CdwLKwseP9Q Spliceosomes https://www.youtube.com/watch?v=YgmoHtLGb5c Spliceosome regulation https://www.youtube.com/watch?v=q63JCoLDR2w

Eukaryotic Transcription Part 2 Tropp Chapter 13 14.08.2024

Gal pathway regulation https://www.youtube.com/watch?v=vDWEHlQw6Jk Epigenetic modification, HAT/HDAC https://www.youtube.com/watch?v=eYrQ0EhVCYA

Eukaryotic Transcription Part 1 Tropp Chapter 13 13.08.2024

Eukaryotic transcription, RNA polymerases, initiation, core and regulatory promoters. Promoters, enhancers, silencers https://www.youtube.com/watch?v=mK4wzCTrj9k

Bacterial Transcription and Its Regulation Part 2 Tropp Chapter 12 08.08.2024

Long but excellent explanation of the attenuation mechanism starting around minute 12: https://youtu.be/v7L9aCVPEcs?si=F41uin76paXEr0j-

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