Bacteria in sperm

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Try out PMC Labs and tell us what you think. Learn More. To verify the prevalence of semen bacterial contamination and whether the contamination could decrease sperm quality. Spermiogram, semen culture, and sperm transmission electron microscopy TEM analysis were performed. TEM data were elaborated using a mathematical formula that calculates a fertility index FI —able to define patients as fertile or infertile—and the percentage of sperm apoptosis, immaturity and necrosis. We aligned the amino acid sequence of beta-tubulin with protein of the most frequent species isolated from semen.
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Harmful Bacteria May Hide in Semen

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Harmful Bacteria May Hide in Semen

Compared to its female counterpart, the microbiota of the male genital tract has not been studied extensively. With this study, we aimed to evaluate the bacterial composition of seminal fluid and its impact on sperm parameters. We hypothesized that a dysbiotic microbiota composition may have an influence on sperm quality. Semen samples of 26 men with normal spermiogram and 68 men with at least one abnormal spermiogram parameter were included in the study. Samples were stratified based on total sperm count, spermatozoa concentration, progressive motility, total motility and spermatozoa morphology.
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Bacteria in sperm hinders fertility treatment

Some previous studies have identified bacteria in semen as being a potential factor in male infertility. However, only few types of bacteria were taken into consideration while using PCR-based or culturing methods. Here we present an analysis approach using next-generation sequencing technology and bioinformatics analysis to investigate the associations between bacterial communities and semen quality. Ninety-six semen samples collected were examined for bacterial communities, measuring seven clinical criteria for semen quality semen volume, sperm concentration, motility, Kruger's strict morphology, antisperm antibody IgA , Atypical, and leukocytes. Computer-assisted semen analysis CASA was also performed.
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Scientists have discovered a microbiome in the reproductive tract of male mice that harbors potentially harmful bacteria. Bacteria found in this specialized microbiome may pass from father to offspring, where it may lead to later disease risk, such as obesity. In fathers, some bacteria may initiate diseases, such as prostatitis, that can lead to prostate cancer.
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