Spermatozoal immobilization ability and virulence genes of Staphylococcus aureus isolated from the semen of infertile men / 中华男科学杂志
National Journal of Andrology
;
(12): 881-886, 2015.
Article
in Chinese
| WPRIM
| ID: wpr-276003
ABSTRACT
<p><b>OBJECTIVE</b>To investigate the impact of Staphylococcus aureus from infertile men on sperm motility and the relationship between virulence genes and the activity of spermatozoal immobilization.</p><p><b>METHODS</b>We collected 60 strains of non-repeated Staphylococcus aureus from the semen of 589 infertile males and analyzed the influence of Staphylococcus aureus on sperm motility using the computer-aided sperm analysis system. We selected the strains that apparently decreased sperm motility and detected their virulence genes by PCR.</p><p><b>RESULTS</b>Sperm motility was significantly decreased in 17 of the 60 strains of Staphylococcus aureus (P < 0.05). The main virulence genes in these strains were hlg (33.3%), scn (23.3%), cna (20%), hlb (20%), and clfA (18.3%), others including icaA, fnbA, tst, seb, hld, eta and sea. The scn gene carriers accounted for 47.1% in the spermatozal immobilization positive group, significantly higher than 14% in the negative group (P < 0.05). No statistically significant differences were found in the percentages of the carriers of the other virulence genes between the two groups (P > 0.05).</p><p><b>CONCLUSION</b>Infections of Staphylococcus aureus in male reproductive system can lead to the decrease of sperm motility, which may be associated with the Staphylococcus complement inhibitor encoding gene scn.</p>
Full text:
Available
Index:
WPRIM (Western Pacific)
Main subject:
Semen
/
Species Specificity
/
Sperm Motility
/
Staphylococcal Infections
/
Staphylococcus aureus
/
Virulence
/
Polymerase Chain Reaction
/
Genetics
/
Infertility, Male
/
Microbiology
Limits:
Humans
/
Male
Language:
Chinese
Journal:
National Journal of Andrology
Year:
2015
Type:
Article
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