Conjugative transposon Tn5253, an integrative conjugative element (ICE) of Streptococcus pneumoniae carrying the cat and tet(M) genes, was shown to be 64,528 bp in size and to contain 79 open reading frames, of which only 38 could be annotated. Two distinct genetic elements were found integrated into Tn5253: Tn5251 (18,033 bp), of the Tn916-Tn1545 family of ICEs, and Ωcat(pC194) (7,627 bp), which could not conjugate but was capable of intracellular mobility by excision, circularization, and integration by homologous recombination. The highest conjugation frequency of Tn5253 was observed when Streptococcus pyogenes was the donor (6.7 × 10(-3) transconjugants/donor).

Iannelli, F., Santoro, F., Oggioni, M.R., Pozzi, G. (2014). Nucleotide sequence analysis of integrative conjugative element Tn5253 of Streptococcus pneumoniae. ANTIMICROBIAL AGENTS AND CHEMOTHERAPY, 58(2), 1235-1239 [10.1128/AAC.01764-13].

Nucleotide sequence analysis of integrative conjugative element Tn5253 of Streptococcus pneumoniae

IANNELLI, FRANCESCO;SANTORO, FRANCESCO;POZZI, GIANNI
2014-01-01

Abstract

Conjugative transposon Tn5253, an integrative conjugative element (ICE) of Streptococcus pneumoniae carrying the cat and tet(M) genes, was shown to be 64,528 bp in size and to contain 79 open reading frames, of which only 38 could be annotated. Two distinct genetic elements were found integrated into Tn5253: Tn5251 (18,033 bp), of the Tn916-Tn1545 family of ICEs, and Ωcat(pC194) (7,627 bp), which could not conjugate but was capable of intracellular mobility by excision, circularization, and integration by homologous recombination. The highest conjugation frequency of Tn5253 was observed when Streptococcus pyogenes was the donor (6.7 × 10(-3) transconjugants/donor).
2014
Iannelli, F., Santoro, F., Oggioni, M.R., Pozzi, G. (2014). Nucleotide sequence analysis of integrative conjugative element Tn5253 of Streptococcus pneumoniae. ANTIMICROBIAL AGENTS AND CHEMOTHERAPY, 58(2), 1235-1239 [10.1128/AAC.01764-13].
File in questo prodotto:
Non ci sono file associati a questo prodotto.

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11365/980573
 Attenzione

Attenzione! I dati visualizzati non sono stati sottoposti a validazione da parte dell'ateneo