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Table 2 Transcript level from the D promoter is significantly reduced in promoter mutant strains at any temperature, host or time point*.

From: Positive selection at high temperature reduces gene transcription in the bacteriophage ϕX174

Temperature Host Time F-test Pr > F
37° Escherichia coli 4 min 395 <0.0001
37° Escherichia coli 8 min 397 <0.0001
37° Salmonella typhimurium 4 min 53 <0.0001
37° Salmonella typhimurium 8 min 209 <0.0001
37° Shigella sonnei 4 min 450 <0.0001
37° Shigella sonnei 8 min 1112 <0.0001
42° Escherichia coli 4 min 143 <0.0001
42° Escherichia coli 8 min 390 <0.0001
42° Salmonella typhimurium 4 min 381 <0.0001
42° Salmonella typhimurium 8 min 473 <0.0001
42° Shigella sonnei 4 min 94 0.0002
42° Shigella sonnei 8 min 143 <0.0001
  1. *ANOVA on relative transcript levels for each environmental condition and time point with 1 degree of freedom for each test.