Academic literature on the topic 'Spermiogenese'
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Journal articles on the topic "Spermiogenese"
Bandtlow, K. H., and H. Marberger. "Antitrichomonadenmittel und Spermiogenese." Andrologia 5, no. 2 (April 24, 2009): 109–11. http://dx.doi.org/10.1111/j.1439-0272.1973.tb00337.x.
Full textMeyhöfer, W. "Auswirkungen von Cytostatika auf die Spermiogenese." Andrologia 5, no. 2 (April 24, 2009): 107–8. http://dx.doi.org/10.1111/j.1439-0272.1973.tb00335.x.
Full textEigenmann, J., and K. Bandhauer. "Medikamentös induzierte Störungen der Spermiogenese und der erektilen Potenz." Aktuelle Urologie 19, no. 03 (May 1988): 124–29. http://dx.doi.org/10.1055/s-2008-1061366.
Full textJarpa, Adolfo, and Juan Donoso. "Untersuchungen über die Hemmung der Spermiogenese durch Depot-Gestagene*." Andrologia 1, no. 3 (April 24, 2009): 107–12. http://dx.doi.org/10.1111/j.1439-0272.1969.tb00541.x.
Full textMELANDER, Y., and O. KNUDSEN. "THE SPERMIOGENESE OF THE BULL FROM A KARYOLOGICAL POINT OF VIEW." Hereditas 39, no. 3-4 (July 9, 2010): 505–17. http://dx.doi.org/10.1111/j.1601-5223.1953.tb03434.x.
Full textIványi, P., J. Raboch, and H. Vybíralová. "HL-A Antigene bei Patienten mit Spermiogenese-Stop und ihren Brüdern." Andrologia 2, no. 1 (April 24, 2009): 9–11. http://dx.doi.org/10.1111/j.1439-0272.1970.tb00423.x.
Full textReschke, Felix. "Hormontherapie bei Hodenhochstand." Aktuelle Urologie 51, no. 02 (November 21, 2019): 178–82. http://dx.doi.org/10.1055/a-1036-7063.
Full textOsmonov, D., C. van der Horst, T. Weyel, M. Danilevicius, P. Braun, P. Alken, K. Jünemann, and F. Portillo. "Induktion der Spermiogenese nach antegrader Varikozelensklerosierung bei Patienten mit nicht-obstruktiver Azoospermie." Aktuelle Urologie 37, no. 2 (March 2006): 132–37. http://dx.doi.org/10.1055/s-2005-915619.
Full textLudewig, TH, and G. Gutte. "Histomorphometrische und histologische Untersuchungen zur morphokinetischen Wirkung von Furazolidon auf die Spermiogenese geschlechtsreifer Ratten." Anatomia, Histologia, Embryologia: Journal of Veterinary Medicine Series C 24, no. 1 (March 1995): 7–12. http://dx.doi.org/10.1111/j.1439-0264.1995.tb00002.x.
Full textPollheide, Wilhelm. "Studien über die Beeinflussungsmöglichkeiten der Spermiogenese durch Substanzen, welche über das vegetativ-nervöse System wirken1." Zeitschrift für Tierzüchtung und Züchtungsbiologie 71, no. 3 (April 26, 2010): 193–216. http://dx.doi.org/10.1111/j.1439-0388.1958.tb01060.x.
Full textDissertations / Theses on the topic "Spermiogenese"
BLANCHARD, YANNICK. "Etude ultrastructurale et biochimique de la differenciation nucleaire au cours de la spermiogenese humaine." Rennes 1, 1991. http://www.theses.fr/1991REN10151.
Full textSonnack, Violetta. "Die Rolle der Histonacetylierung für den Histon-Protamin-Austausch während der Spermiogenese von Mensch und Maus." Giessen : VVB Laufersweiler, 2007. http://geb.uni-giessen.de/geb/volltexte/2007/4767/index.html.
Full textSonnack, Violetta [Verfasser]. "Die Rolle der Histonacetylierung für den Histon-Protamin-Austausch während der Spermiogenese von Mensch und Maus / eingereicht von Violetta Sonnack." Giessen : VVB Laufersweiler, 2007. http://d-nb.info/988716798/34.
Full textSEDDIQI, NADIA. "Sequence complete de la proteine de 21 kda de cerveau humain. Un marqueur potentiel de la spermiogenese chez diverses especes." Paris 7, 1993. http://www.theses.fr/1993PA077306.
Full textSiffroi, Jean-Pierre. "Contribution a l'etude de la spermatogenese humaine : i) expression des nucleoproteines basiques pendant la spermiogenese ii) implications des remaniements chromosomiques dans les alterations de la spermatogenese." Paris 5, 2000. http://www.theses.fr/2000PA055011.
Full textHempel, Leonie. "Kurze Promotoren und Translationskontrollelemente steuern die Expression von Don Juan, Don Juan-Like und Min, wobei Don Juan und Don Juan-Like vermutlich funktionell redundant in der Spermiogenese von Drosophila melanogaster sind." [S.l. : s.n.], 2004. http://archiv.ub.uni-marburg.de/diss/z2004/0152/.
Full textKichine, Elsa. "Spermiogenèse et infertilité masculine : étude des transcrits du gène UBA1, codant pour l'enzyme activatrice de l'ubiquitine et évaluation génétique de deux variants dans le gène PRM1 codant pour la protamine1." Thesis, Aix-Marseille 2, 2010. http://www.theses.fr/2010AIX20677.
Full textThe majority of genes on the X chromosome are repressed during meiosis and only 6% of them are expressed in post meiotic germ cells. One of these genes is Ubal, encoding the ubiquitin-activating enzyme UBA1. Ubal produces three different transcripts, two of which are ubiquitously expressed while the third is predominant in the post meiotic germ cells: the spermatids. Our study shows that the 5’UTR, which is the only difference between these transcripts, determines the localization and the relative dose of the nuclear and cytoplasmic isoform of the UBA1 protein. The spermatid-specific transcript encodes for the nuclear isoform in the spermatids in the mouse suggesting that the UBA1 protein is implicated in chromatin remodeling during spermiogenesis. We have detected two mutations in the spermatid-specific region of the UBA1 gene in two infertile men: a deletion of 13bp and a G>A transition, neither of which was found in our cohort of fertile men. The deletion of 13bp diminishes the correct splicing of the spermatid-specific transcript and that the G>A transition may reduce expression of the spermatid-specific transcript. These results show that the UBA1 gene is involved in spermiogenesis, and reactivated in spermatids by its spermatid-specific transcript and that the mutations identified may induce infertility by reducing UBA1 levels in spermatids. We have also demonstrated that two variants described in the protamine codant gene PRM1C.102G>T and c.-107G>C are clearly not associated with male infertility and that the c.-107G>C is polymorphism frequently found in the congolese population
Moretti, Charlotte. "Étude de SLY et de la régulation (épi)génétique des chromosomes sexuels pendant la spermiogenèse." Thesis, Sorbonne Paris Cité, 2016. http://www.theses.fr/2016USPCB113/document.
Full textSex chromosomes in mammals are globally repressed during meiosis (MSCI ) and then partially reactivated in round spermatids prior to the transcriptional activity shut down occurring in spermatozoa. Whereas the MSCI is essential for spermatogenesis, the proportion of reactivated genes and the underlying mechanisms of the sex chromosomes regulation after meiosis is still a conundrum. In mice, deletions of the long arm of the Y chromosome (MSYq-) are responsible for the overexpression of more than hundred sex chromosome genes associated with epigenetic modifications that leads to impaired sperm functions and abnormal chromatin compaction. Sly is one of the five multicopy genes present on MSYq and Sly deficiency (Sly-KD) has recently been showed to be at the basis of the gene deregulation and sperm defects obrserved in MSYq- mice. Additionally, partially deleted MSYq males and Sly-KD mice produce offspring with a sex ratio distortion in favor of females; these observations suggest a postmeiotic intragenomic conflict involving Sly and its homolog Slx, an X-linked multicopy gene. What role for SLY during spermiogenesis? In order to decipher SLY mechanisms of action, we sought to study SLY target genes and partners. We showed that SLY interacts with TBL1XR1, an inherent member of the repressive Ncor complex. Meanwhile, we found that SLY is enriched at the promoter of spermatid expressed genes encoded both by sex chromosomes and autosomes. Additionally, SLY controls genes involved in genetic and chromatin regulation (e.g, H2A variants and DOT1L). We also observed a significant reduction of H3K79me2 levels associated with abnormal histone retention in Sly-KD spermatozoa. We propose that DOT1L, the principal H3K79 methyltransferase identified to date, is essential for chromatin remodeling in spermatids. What are the molecular mechanisms involved in the ongoing intragenomic conflict between SLY and SLX? We showed by co-immunoprecipitation that SSTY, another Y-linked multicopy gene, preferentially interacts with SLX in vivo. Furthermore, both SLX and SLY interact with SPIN1, a homolog of SSTY which is able to recognize H3K4me3. The interactions between SLX/SLY and SPIN1/SSTY could be part of the intragenomic conflict. By re-evaluating several RNA-Seq and ChIP-Seq datasets we demonstrated that MSCI does not persist beyond meiosis. We proposed that the intragenomic conflict between SLY and SLX constitutes a considerable selection pressure, partly responsible for the specific epigenetic landscape of sex chromosomes and their enrichment in multicopy genes expressed after meiosis. In conclusion, our work allowed a better understanding of the mode of action of SLX/SLY and the identification of new factors involved in the (epi)genetic regulation during spermiogenesis that are conserved in humans
Tirmarche, Samantha. "Fonctions des thiorédoxines sexuelles et contrôle de l’état rédox des protamines chez la drosophile." Thesis, Lyon, 2016. http://www.theses.fr/2016LYSE1079/document.
Full textIn animal sexual reproduction, spermatozoon is a very specialized cell. Its very peculiar chromatin is remodeled both during spermiogenesis and fertilization. During mammalian and drosophilian spermiogenesis, histones involved in DNA condensation are replaced with sperm specific small nuclear basic proteins : the protamines. This sperm specific architecture is stabilized by disulfide bonds. At fertilization,protamines are removed from the male nucleus and maternally-provided histones are incorporated to form a functional paternal chromatin. However, the mecanisms involved in the incorporation and the removal of protamines of their disulfide bonds are unknown in Drosophila.During my PhD, I demonstrated that two sexual thioredoxins are important for spermiogenesis and fertilization in D. melanogaster. In one hand, I showed that DHD, a female specific thioredoxin, is essential for protamine eviction at fertilization. Without this major protein, male nucleus does not decondense, protamines are not removed from sperm chromatin and zygotic development does not occur. Besides, I demonstrated that DHD is directly responsible for the reduction of the disufide bonds which stabilize sperm chromatin.On the other hand, I showed that TrxT, a testis-specific thioredoxin, is needed for spermiogenesis. Without this protein, DNA damages appear on spermatid nuclei, and those spermatozoon are then eliminated during spermatogenesis.This work highlights that drosophilian sex-specific thioredoxins are essential for sexual reproduction success
Péchart, Isabelle. "Expression et organisation des isoformes de tubuline dans différents modéles de cils et de flagelles." Paris 5, 2001. http://www.theses.fr/2001PA05S006.
Full textBooks on the topic "Spermiogenese"
Esponda, P. Spermiogenesis and spermatozoain in mammals. Vizcaya, Spain: University of the Basque Country, 1985.
Find full textOwusu-Daaku, Kofi Ohene. Spermiogenesis and meiotic drive in some tropical mosquitoes. Manchester: University of Manchester, 1994.
Find full textHamilton, David, 1935 Nov. 29-, Waites G. M. H, Special Programme of Research, Development, and Research Training in Human Reproduction (World Health Organization), Family Health International (Organization), and World Health Organization, eds. Cellular and molecular events in spermiogenesis: Proceedings of a symposium held at Oaxtepec, Mexico, 11-13 March 1987. Cambridge: Cambridge University Press, 1990.
Find full textHamilton, David, 1935 Nov.29-, Waites G. M. H, and World Health Organization, eds. Cellular and molecular events in spermiogenesis: Proceedings of a symposium held at Oaxtepec, Mexico, 11-13 March 1987. Cambridge: Cambridge University Press, 1989.
Find full textBook chapters on the topic "Spermiogenese"
Schill, Wolf-Bernhard, and Gerhard Haidl. "Genetisch bedingte Störungen der Spermiogenese." In Supplementum X, 41. Jahrgang 1990 Verhandlungen der Deutschen Dermatologischen Gesellschaft, 27–28. Berlin, Heidelberg: Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-84370-9_11.
Full textSchlappack, O. K., C. Kratzik, W. Schmidt, and J. Spona. "Spermiogenese nach Strahlentherapie wegen Seminoms." In Diagnostik und Therapie von Hodentumoren, 493–500. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-73492-2_62.
Full textSchuppe, Hans-Christian, Margot J. Wyrwoll, Daniela Fietz, and Frank Tüttelmann. "Störungen der Spermato- und Spermiogenese." In Andrologie, 1–15. Berlin, Heidelberg: Springer Berlin Heidelberg, 2022. http://dx.doi.org/10.1007/978-3-662-61904-9_20-1.
Full textSchuppe, Hans-Christian, Margot J. Wyrwoll, Daniela Fietz, and Frank Tüttelmann. "Störungen der Spermato- und Spermiogenese." In Andrologie, 289–303. Berlin, Heidelberg: Springer Berlin Heidelberg, 2023. http://dx.doi.org/10.1007/978-3-662-61901-8_20.
Full textRousseaux, Sophie, and Myriam Ferro. "Epigenetics of Spermiogenesis." In Bioinformatics for Systems Biology, 105–17. Totowa, NJ: Humana Press, 2009. http://dx.doi.org/10.1007/978-1-59745-440-7_6.
Full textGuraya, Sardul S. "Spermatids and Spermiogenesis." In Biology of Spermatogenesis and Spermatozoa in Mammals, 108–69. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-71638-6_5.
Full textPandian, T. J. "Spermatogenesis and Spermiogenesis." In Evolution and Speciation in Animals, 131–35. Boca Raton: CRC Press, 2021. http://dx.doi.org/10.1201/9781003176381-15.
Full textGrégoire, Marie-Chantal, Frédéric Leduc, and Guylain Boissonneault. "Spermiogenesis in Sperm Genetic Integrity." In Sperm Chromatin for the Researcher, 201–18. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-8459-2_11.
Full textGrégoire, Marie-Chantal, Frédéric Leduc, and Guylain Boissonneault. "Spermiogenesis in Sperm Genetic Integrity." In Sperm Chromatin for the Clinician, 97–114. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-7843-0_5.
Full textCavé, Tiphanie, Olivier Simard, Marie-Chantal Grégoire, and Guylain Boissonneault. "Defective DNA Repair in Spermiogenesis." In A Clinician's Guide to Sperm DNA and Chromatin Damage, 219–27. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-71815-6_13.
Full textReports on the topic "Spermiogenese"
Marchetti, Francesco, Francesco Marchetti, and Andrew J. Wyrobek. DNA Repair Decline During Mouse Spermiogenesis Results in the Accumulation of Heritable DNA Damage. Office of Scientific and Technical Information (OSTI), December 2007. http://dx.doi.org/10.2172/936520.
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