Identification of a truncated Tn1721-like transposon located on a small plasmid of Escherichia coli isolated from Varanus indicus

被引：7

作者：

Waturangi, DE ^{[1
]}

Schwarz, S ^{[1
]}

Suwanto, A ^{[1
]}

Kehrenberg, C ^{[1
]}

Erdelen, W ^{[1
]}

机构：

[1] Bundesforsch Anstalt Landwirtschaft FAL, Inst Tierzucht, D-31535 Neustadt, Germany

来源：

JOURNAL OF VETERINARY MEDICINE SERIES B-INFECTIOUS DISEASES AND VETERINARY PUBLIC HEALTH | 2003年 / 50卷 / 02期

关键词：

D O I：

10.1046/j.1439-0450.2003.00625.x

中图分类号：

S85 [动物医学（兽医学）];

学科分类号：

0906 ;

摘要：

The 9.1 kb plasmid pDEWT1 was isolated from an Escherichia coli strain obtained from the faeces of a free-living lizard (Varanus indicus ) in Indonesia. This plasmid mediated tetracycline resistance via a tet gene of hybridization class A. Molecular analysis of a 7755 bp segment of plasmid pDEWT1 including the tetR-tet (A) region and its flanking areas suggested that pDEWT1 harboured a truncated copy of the tet (A)-carrying transposon Tn1721 in which the part responsible for chemotaxis and transposition functions was lost. Analysis of the sequences at the integration site revealed the presence of the 5-bp direct repeat TACTT. The sequences upstream and downstream of the integration site showed striking homology to sequences of a non-coding region detectable on a small cryptic plasmid from Yersinia enterocolitica .

引用

页码：86 / 89

页数：4

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