temperature delta very low

Edge evidence

• very limited thermal-adaptation flexibility produces temperature delta very low METPO:2000202

  Very limited thermal-adaptation flexibility yields a 1–5 °C temperature-delta breadth.

  • DOI:10.1146/annurev-micro-091313-103612 more unsaturated fatty acids Supports very limited remodeling flexibility as the basis of stenothermal breadth.
• temperature delta very low is a temperature delta rdfs:subClassOf

  Temperature delta very low is a quantitative bin of the temperature-delta phenotype.

  • DOI:10.1016/s0300-9629(97)00003-0 adapted to environments of high temperature Supports the 1–5 °C breadth as a value within the temperature-delta distribution.
• unsaturated fatty acid content increases membrane fluidity RO:0002213

  Higher unsaturated fatty acid proportion prevents excessive rigidification and maintains membrane fluidity at low temperature.

  • DOI:10.1146/annurev-micro-091313-103612 Proportionally more unsaturated fatty acids maintain membrane fluidity within an optimal range; broad across microbes.
• membrane fluidity decreased by reduced unsaturated fatty acids unsaturated fatty acid content

  Reduced unsaturated fatty acid content decreases membrane fluidity, a direct physical consequence linking composition to cold stress.

  • DOI:10.1111/mmi.15323 Decrease in membrane fluidity due to decrease in unsaturated fatty acid content.
• cold shock induces CspA cold-shock protein

  Cold shock induces CspA, an RNA chaperone counteracting low-temperature RNA secondary structure.

  • DOI:10.1007/s12275-023-00031-x Cold-shock proteins (notably CspA) bind RNA to promote single-stranded states.
• CsdA DEAD-box RNA helicase maintains translation under cold shock

  CsdA binds ribosomes to maintain translation under cold shock.

  • DOI:10.1007/s12275-023-00031-x CsdA binds ribosomes to maintain translation under cold shock.