Episode 3 upload sheet
Status: landscape went PUBLIC on 2026-10-28 (Studio shows Public / Published Oct 28, 2026, 0 views; the Nov 18 schedule did not take): https://youtu.be/o2AusMADzZA ( title, description, thumb A, playlist, not for kids, tags, English SRT, end screen, 4 cards all set; Studio checks: no issues). Teaser Short uploaded 2026-10-28 as https://youtube.com/shorts/LC1JKwxZHvY (private; title, description, thumb, playlist, not for kids, tags, English SRT, related video = landscape film; SCHEDULED, Studio shows 21 Nov 2026 15:00 although 20 Nov was entered; SRT track verified in the Studio subtitle editor). Decision pending: keep the landscape public now or set it private and reschedule for WAAW. Target: World AMR Awareness Week, 18-24 Nov 2026 (landscape first, teaser Short two or three days later pointing at it).
Order in Studio (as for Two Fates): upload, thumbnail, playlist, not for kids, English subtitles, end screen, cards, description chapters one per line.
A. Landscape film
File: renders/ep3_wide_final.mp4 (1920x1080, 127 s, narration + music + SFX). Not a Short. Thumbnail: thumbs/thumb_A_gene.jpg (recommended) or thumbs/thumb_B_pilus.jpg Subtitles: narration_wide/ep3_wide.en.srt (English, 36 cues) Playlist: Inside a Gram-Negative Bacterium: How Antibiotics Work (and Fail) Audience: not made for kids. Visibility: Public (schedule for WAAW).
Title Where Antibiotic Resistance Comes From: One Gene, Passed Cell to Cell
Description Athens, 1963. A blood culture from a patient named Temoneira grows E. coli that should have died on penicillin. The enzyme that saved it, TEM-1 beta-lactamase, is the one you met in episodes 1, 2 and Two Fates. This film asks where it comes from, and how it moves.
Not from the chromosome. The gene sits on a plasmid, a spare ring of DNA that the cell carries as a passenger. The gene is read, the protein is made, and a signal sequence sends it through the SecYEG translocon into the periplasm, where it waits by the porin. Then a sex pilus hooks a neighbour that has no enzyme, pulls it into contact, and one strand of the ring crosses, 5’ end first. The neighbour builds the second strand, reads the gene, and ships its own enzyme to the periplasm. Same drug, same door: the ring breaks and the cell carries on. Within ten years of Athens, the same gene was in gonorrhoea and in the Haemophilus that gives children meningitis.
Everything shown is a real structure. B-DNA from PDB 1BNA, arrayed along the plasmid and chromosome curves. The SecYEG translocon from PDB 5AWW (OPM orientation). The 70S ribosome from PDB 4V9D. The F pilus from PDB 5LER (pED208). TEM-1 beta-lactamase, PBP1b (3VMA), AcrB (4DX5), OmpF and E. coli LPS as in the earlier episodes (CHARMM-GUI, GROMACS, MemProtMD). Rendered in Blender with Molecular Nodes.
Simplifications, stated honestly: the plasmid is shown with far fewer base pairs than a real one; transcription and translation are shown as “the gene is read” (mRNA to ribosome) without RNA polymerase; the type IV secretion system and relaxase that actually move the strand are not shown; the cytoplasm is far more crowded than drawn; the peptidoglycan mesh is stylized.
Narration: synthetic voice (Azure neural). Music: “Rain Over Kyoto Station” by The Mini Vandals (YouTube Audio Library).
Episode 1 (the envelope): https://youtube.com/shorts/kJKye8xqjRg Episode 2 (hitting the wall): https://youtube.com/shorts/ufXzk6dhlX8 Two Fates (one enzyme decides): https://youtu.be/gU2kKaWwa2s Playlist: https://www.youtube.com/playlist?list=PLbsoyL1U-sWc
0:00 Athens, 1963 0:12 The enzyme that got her name 0:21 Not from the chromosome 0:25 A spare ring of DNA 0:35 The gene is read 0:38 Across the inner membrane 0:50 Bacteria have sex 1:01 One strand crosses 1:08 Handed it, in minutes 1:19 Same drug, same door 1:28 Gonorrhoea 1976, Haemophilus 1974 1:40 Every species, every country 1:58 Next: how we fight back
#antibioticresistance #antibiotics #plasmid #conjugation #betalactamase #microbiology #molecularbiology #AMR #WAAW #blender #molecularnodes
Tags: antibiotic resistance, plasmid, bacterial conjugation, horizontal gene transfer, beta-lactamase, TEM-1, sex pilus, AMR, molecular animation, blender, molecular nodes, microbiology animation
Video elements (as for Two Fates): - Card 0:06, channel, “Subscribe for the series” (30 chars max) - Card 0:48, Two Fates (the enzyme at work) - Card 1:20, episode 1 (the public copy, second in the picker) - Card 1:40, playlist - End screen from 1:58: subscribe, Two Fates, episode 2, playlist
Pinned comment Everything in this film is a real structure (PDB codes in the description). Three things are simplified on purpose: the plasmid is drawn with far fewer base pairs than a real one, the gene is “read” without showing RNA polymerase, and the pump that moves the strand (a type IV secretion system) is not drawn. Episode 4: how we fight back (beta-lactamase inhibitors).
C. Promotion (after publishing)
LinkedIn post, native 720p landscape video (renders/ep3_wide_final_720p.mp4), links in the first comment, the same pattern as Two Fates. Draft:
Athens, 1963. A blood culture that should have cleared on penicillin, and did not. The enzyme got the patient’s name: TEM.
Episode 3 of my series on antibiotic resistance asks where that enzyme comes from. Not from the chromosome. From a plasmid, a spare ring of DNA, and plasmids travel: a sex pilus hooks a neighbour, one strand of the ring crosses, and a cell that never evolved resistance is handed it, in minutes. Within ten years the same gene was in gonorrhoea and in Haemophilus.
Every structure is real (PDB 1BNA, 5AWW, 4V9D, 5LER, 3VMA, 4DX5), rendered in Blender with Molecular Nodes. Two minutes. World AMR Awareness Week seemed the right time.
Also worth a post in r/microbiology (self-post, the honest-simplifications paragraph in the body) and the Molecular Nodes community thread for the technical side (Sec translocon from OPM, baked surfaces, DNA arrays along curves).