Table 2. Oligonuclotide probes used in Northern hybridizations.

sRNA	Nucleotide sequence	Target sequencea
speF	5′-CTTCAGTAACCCCGGCTGTTGGAGA-3′	3,105,282–3,105,258
Smr45C	5′-CCGCACCGTCGTTGCTTCAAGATGT-3′	3,105,328–3,105,304
Smr14C1	5′-AACCGACCGAATGCCGGGCGCCGTG-3′	206,954–206,930
Smr14C2	5′-TGCTTGATCTGATTGGCAACCGGGA-3′	1,667,552–1,667,528
Smr14C3	5′-ACCGGCGGGCGTCATAAAGGCGATT-3′	1,667,818–1,667,794
Smr14A1	5′-AACCGATCGGCGTCTTGCGCCGTGG-3′	1,220,715–1,220,739
Smr14A2	5′-GAGGAAAGGTCGCTCGCATATCGAA-3′	1,328,303–1,328,279
Smr14B	5′-GTGCGCCGGGCTTTCGATCCTGACC-3′	1,605,895–1,605,919
Smr15C1	5′-GAGGAGAAAGCCGCTAGATGCACCA-3′	1,698,728–1698,704
Smr15C2	5′-ACTGGGAGGAGAAGCCACCAAAGAT-3′	1,698,928–1698,904
Smr15A	5′-GGAGGAAAACTGCCATGCGCATCAA-3′	552,875–552,899

^a Coordinates of the sequence stretches complementary to each probe in the S. meliloti 1021 genome according to iant.toulouse.inra.fr/bacteria/annotation/cgi/rhime.cgi.