TABLE 2.

sRNA half-lives in the parent and hfq-null strains.

Strain	XrrA Half-life (minutes)a	XrrB Half-life (minutes)a	rpsO Half-life (minutes)a
Parent	20 ± 1.1	21.2 ± 1.5	2.1 ± 1.2
Δhfq1	20.4 ± 0.9	20.2 ± 0.2
Δhfq2	25.1 ± 4.4	23 ± 3.4
Δhfq3	24.7 ± 4.6	21.4 ± 3.4
Δhfq1Δhfq2Δhfq3	23 ± 1.6	25.2 ± 2.3

^aHalf-lives reported are the average of three biological replicates, shown in minutes.

Standard deviation in sRNA and rpsO mRNA half-lives is indicated as ±minutes.