Chapter title |
Mechanisms of Conjugative Transfer and Type IV Secretion-Mediated Effector Transport in Gram-Positive Bacteria
|
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Chapter number | 5 |
Book title |
Type IV Secretion in Gram-Negative and Gram-Positive Bacteria
|
Published in |
Current topics in microbiology and immunology, January 2017
|
DOI | 10.1007/978-3-319-75241-9_5 |
Pubmed ID | |
Book ISBNs |
978-3-31-975240-2, 978-3-31-975241-9
|
Authors |
Grohmann, Elisabeth, Keller, Walter, Muth, Günther, Elisabeth Grohmann, Walter Keller, Günther Muth |
Abstract |
Conjugative DNA transfer is the most important means to transfer antibiotic resistance genes and virulence determinants encoded by plasmids, integrative conjugative elements (ICE), and pathogenicity islands among bacteria. In gram-positive bacteria, there exist two types of conjugative systems, (i) type IV secretion system (T4SS)-dependent ones, like those encoded by the Enterococcus, Streptococcus, Staphylococcus, Bacillus, and Clostridia mobile genetic elements and (ii) T4SS-independent ones, as those found on Streptomyces plasmids. Interestingly, very recently, on the Streptococcus suis genome, the first gram-positive T4SS not only involved in conjugative DNA transfer but also in effector translocation to the host was detected. Although no T4SS core complex structure from gram-positive bacteria is available, several structures from T4SS protein key factors from Enterococcus and Clostridia plasmids have been solved. In this chapter, we summarize the current knowledge on the molecular mechanisms and structure-function relationships of the diverse conjugation machineries and emerging research needs focused on combatting infections and spread of multiple resistant gram-positive pathogens. |
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Members of the public | 1 | 100% |
Mendeley readers
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Unknown | 23 | 100% |
Demographic breakdown
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Student > Ph. D. Student | 5 | 22% |
Student > Bachelor | 3 | 13% |
Researcher | 3 | 13% |
Other | 2 | 9% |
Professor > Associate Professor | 2 | 9% |
Other | 4 | 17% |
Unknown | 4 | 17% |
Readers by discipline | Count | As % |
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Biochemistry, Genetics and Molecular Biology | 9 | 39% |
Agricultural and Biological Sciences | 8 | 35% |
Veterinary Science and Veterinary Medicine | 1 | 4% |
Immunology and Microbiology | 1 | 4% |
Unknown | 4 | 17% |