Distribution of Suicin Gene Clusters in Streptococcus suis Serotype 2 Belonging to Sequence Types 25 and 28

Figure 1

Genetic organization of the suicin 90-1330 (a), 3908 (b), and 65 (c) gene clusters. sslA/suiA/sssA/sssA′/sssA1: suicin precursor; sslB: dehydratase involved in suicin synthesis; sslC: cyclase involved in suicin synthesis; sslE/suiE/sssE, sslF/suiF/sssF, sslG/suiG/sssG, and sslI/suiI: immunity proteins; sslK/suiK/sssK: sensor histidine kinase; suiM/sssM: synthetase involved in lantibiotic modification; sslP: protease involved in proteolytic cleavage of the leader peptide; sslR/suiR/sssR: response regulator; sslT/suiT/sssT: ABC transporter.

(a)

(b)

(c)