scholarly journals Polintons: a hotbed of eukaryotic virus, transposon and plasmid evolution

2014 ◽  
Vol 13 (2) ◽  
pp. 105-115 ◽  
Author(s):  
Mart Krupovic ◽  
Eugene V. Koonin
Keyword(s):  
Plasmid Evolution ◽  
Eukaryotic Virus

Sequence of the iaa and ipt region of different Agrobacterium tumefaciens biotype III octopine strains: reconstruction of octopine Ti plasmid evolution

1991 ◽  
Vol 16 (4) ◽  
pp. 601-614 ◽  
Author(s):  
Francois Paulus ◽  
Jean Canaday ◽  
Florence Vincent ◽  
G�raldine Bonnard ◽  
Christa Kares ◽  
...  
Keyword(s):  
Agrobacterium Tumefaciens ◽  
Ti Plasmid ◽  
Plasmid Evolution

Plasmid evolution

2020 ◽  
Vol 30 (19) ◽  
pp. R1158-R1163
Author(s):  
Tanita Wein ◽  
Tal Dagan
Keyword(s):  
Plasmid Evolution

Transposable genetic elements and plasmid evolution

Nature ◽  
1976 ◽  
Vol 263 (5580) ◽  
pp. 731-734 ◽  
Author(s):  
Stanley N. Cohen
Keyword(s):  
Plasmid Evolution ◽  
Genetic Elements ◽  
Transposable Genetic Elements

scholarly journals Species and Incompatibility Determination within the P1par Family of Plasmid Partition Elements

2005 ◽  
Vol 187 (17) ◽  
pp. 5977-5983 ◽  
Author(s):  
Alena Dabrazhynetskaya ◽  
Kirill Sergueev ◽  
Stuart Austin
Keyword(s):  
Escherichia Coli ◽  
Point Mutation ◽  
Distinct Species ◽  
Base Change ◽  
Species Specificity ◽  
Site Specificity ◽  
Carboxy Terminus ◽  
Plasmid Evolution ◽  
Par Proteins ◽  
Plasmid Partition

ABSTRACT The P1par family of active plasmid partition systems consists of at least six members, broadly distributed in a variety of plasmid types and bacterial genera. Each encodes two Par proteins and contains a cis-acting parS site. Individual par systems can show distinct species specificities; the proteins from one type cannot function with the parS site of another. P1par-versus-P7par specificity resides within two hexamer BoxB repeats encoded by parS that contact the ParB protein near the carboxy terminus. Here, we examine the species specificity differences between Yersinia pestis pMT1parS and Escherichia coli P1 and P7parS. pMT1parS site specificity could be altered to that of either P1 or P7 by point mutation changes in the BoxB repeats. Just one base change in a single BoxB repeat sometimes sufficed. The BoxB sequence appears to be able to adopt a number of forms that define exclusive interactions with different ParB species. The looped parS structure may facilitate this repertoire of interaction specificities. Different P1par family members have different partition-mediated incompatibility specificities. This property defines whether two related plasmids can coexist in the same cell and is important in promoting the evolution of new plasmid species. BoxB sequence changes that switch species specificity between P1, P7, and pMT1 species switched partition-mediated plasmid incompatibility in concert. Thus, there is a direct mechanistic link between species specificity and partition-mediated incompatibility, and the BoxB-ParB interaction can be regarded as a special mechanism for facilitating plasmid evolution.

scholarly journals ISCR Elements Are Key Players in IncA/C Plasmid Evolution

2010 ◽  
Vol 54 (8) ◽  
pp. 3534-3534 ◽  
Author(s):  
M. A. Toleman ◽  
T. R. Walsh ◽  
D. R. Call
Keyword(s):  
Plasmid Evolution ◽  
Key Players

scholarly journals Complete sequences of IncHI1 plasmids carrying blaCTX-M-1 and qnrS1 in equine Escherichia coli provide new insights into plasmid evolution

2014 ◽  
Vol 69 (9) ◽  
pp. 2388-2393 ◽  
Author(s):  
Monika Dolejska ◽  
Laura Villa ◽  
Marco Minoia ◽  
Luca Guardabassi ◽  
Alessandra Carattoli
Keyword(s):  
Escherichia Coli ◽  
Plasmid Evolution ◽  
Complete Sequences
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