Context Writes the Curve

What this episode covers

This release contains only the music track from Base by Base Episode 395. Song title: Context Writes the CurveOriginal Base by Base episode: 395: Extended sequence context shapes mutational bias in Escherichia coli Article metadata:Article title: Extended sequence context shapes mutational bias in Escherichia coliJournal: PNASDOI: 10.1073/pnas.2601345123Reference: Green R., Jago M.J., Knight C.G., Czernuszka M.R., Denisova S., Krašovec R., Lagator M. Extended sequence context shapes mutational bias in Escherichia coli. PNAS. 2026;123(23):e2601345123. doi:10.1073/pnas.2601345123. Lyrics:Verse 1Under white lights, counting quiet changeTiny letters drift, then rearrangeNot random thunder, not a simple rollThe neighborhood matters to the whole Pre-ChorusSix steps left and six steps rightSet the odds in the copying nightAnd further out, that GC tidePulls the needle where mutations hide ChorusIt’s the context, it’s the curveWhere the missteps learn to swerveRuns of letters spark like flintHotspots shouting what they meantRead the pattern, hold it tightContext writes the future’s light Verse 2Long strings stutter—same beat, same soundA tiny slip, then it’s spellboundProofreading catches some on the runMismatch repair lets others be doneLeading, lagging—two roads through timeSame code, different uphill climb BridgeZoom out—windows a thousand wideGC shadows shift the rideMask the bias, then revealWhat the polymerase can’t help but feelIf we map where errors startWe can guess evolution’s next chart Final ChorusIt’s the context, it’s the curveWhere the missteps learn to swerveRuns of letters spark like flintHotspots shouting what they meantFrom small repeats to regions brightWe can model what comes next in sightRead the pattern, hold it tightContext writes the future’s light

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