Journal ArticleDOI
Polymorphism for a 1.6-Mb deletion of the human Y chromosome persists through balance between recurrent mutation and haploid selection.
Sjoerd Repping,Helen Skaletsky,Laura G. Brown,Saskia K.M. van Daalen,Cindy M. Korver,Tatyana Pyntikova,Tomoko Kuroda-Kawaguchi,Tomoko Kuroda-Kawaguchi,Jan W.A de Vries,Robert D. Oates,Sherman J. Silber,Fulco van der Veen,David C. Page,Steve Rozen +13 more
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TLDR
It is suggested that the existence of this deletion as a polymorphism reflects a balance between haploid selection, which culls gr/gr-deleted Y chromosomes from the population, and homologous recombination, which continues to generate newgr/gr deletions.Abstract:
Many human Y-chromosomal deletions are thought to severely impair reproductive fitness, which precludes their transmission to the next generation and thus ensures their rarity in the population. Here we report a 1.6-Mb deletion that persists over generations and is sufficiently common to be considered a polymorphism. We hypothesized that this deletion might affect spermatogenesis because it removes almost half of the Y chromosome's AZFc region, a gene-rich segment that is critical for sperm production. An association study established that this deletion, called gr/gr, is a significant risk factor for spermatogenic failure. The gr/gr deletion has far lower penetrance with respect to spermatogenic failure than previously characterized Y-chromosomal deletions; it is often transmitted from father to son. By studying the distribution of gr/gr-deleted chromosomes across the branches of the Y chromosome's genealogical tree, we determined that this deletion arose independently at least 14 times in human history. We suggest that the existence of this deletion as a polymorphism reflects a balance between haploid selection, which culls gr/gr-deleted Y chromosomes from the population, and homologous recombination, which continues to generate new gr/gr deletions.read more
Citations
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Journal ArticleDOI
Role of Hormones, Genes, and Environment in Human Cryptorchidism
TL;DR: Environmental factors acting as endocrine disruptors of testicular descent might also contribute to the etiology of cryptorchidism and its increased incidence in recent years.
Guidelines on Male Infertility
TL;DR: 52. Weidner W, Schiefer HG, Garbe C. Acute nongonococcal epididymitis.
Journal ArticleDOI
Polymorphic Y Chromosomes Harbor Cryptic Variation with Manifold Functional Consequences
TL;DR: It is shown that the Y chromosome of D. melanogaster harbors substantial genetic diversity in the form of polymorphisms for genetic elements that differentially affect the expression of hundreds of X-linked and autosomal genes.
Journal ArticleDOI
Genome destabilization by homologous recombination in the germ line.
TL;DR: Research in yeast has provided insights into the molecular mechanisms of meiotic NAHR as well as the cellular strategies that limit it, which have been implicated in numerous human genetic disorders.
Journal ArticleDOI
The Y deletion gr/gr and susceptibility to testicular germ cell tumor
Katherine L. Nathanson,Peter A. Kanetsky,Rachel Hawes,David J. Vaughn,Richard Letrero,Katherine M. Tucker,Michael Friedlander,Kelly-Anne Phillips,David W. Hogg,Michael A.S. Jewett,Radka Lohynska,Gedske Daugaard,Stéphane Richard,Agnès Chompret,Catherine Bonaïti-Pellié,Axel Heidenreich,Edith Olah,Lajos Géczi,István Bodrogi,Wilma Ormiston,Peter A. Daly,J. Wolter Oosterhuis,Ad J. M. Gillis,Leendert H. J. Looijenga,Parry Guilford,Sophie D. Fosså,Ketil Heimdal,Sergei Tjulandin,Ludmila Liubchenko,Hans Stoll,Walter P. Weber,Matthew Rudd,Robert Huddart,Gillian P. Crockford,David Forman,D. Timothy Oliver,Lawrence H. Einhorn,Barbara L. Weber,Joan Kramer,Mary L. McMaster,Mark H. Greene,Malcolm C. Pike,Victoria K. Cortessis,Chu Chen,Stephen M. Schwartz,D. Timothy Bishop,Douglas F. Easton,Michael R. Stratton,Elizabeth A. Rapley +48 more
TL;DR: Data indicate that the Y microdeletion gr/gr is a rare, low-penetrance allele that confers susceptibility to TGCT.
References
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Journal ArticleDOI
The male-specific region of the human Y chromosome is a mosaic of discrete sequence classes.
Helen Skaletsky,Tomoko Kuroda-Kawaguchi,Patrick Minx,Holland S. Cordum,LaDeana W. Hillier,Laura G. Brown,Sjoerd Repping,Tatyana Pyntikova,Johar Ali,Tamberlyn Bieri,Asif T. Chinwalla,Andrew Delehaunty,Kim D. Delehaunty,Hui Du,Ginger A. Fewell,Lucinda Fulton,Robert S. Fulton,Tina Graves,Shunfang Hou,Philip Latrielle,Shawn Leonard,Elaine R. Mardis,Rachel Maupin,John Douglas Mcpherson,Tracie L. Miner,William E. Nash,Christine Nguyen,Philip Ozersky,Kymberlie H. Pepin,Susan M. Rock,Tracy Rohlfing,Kelsi Scott,Brian Schultz,Cindy Strong,Aye Mon Tin-Wollam,Shiaw-Pyng Yang,Robert H. Waterston,Richard K. Wilson,Steve Rozen,David C. Page +39 more
TL;DR: The male-specific region of the Y chromosome, the MSY, differentiates the sexes and comprises 95% of the chromosome's length, and is a mosaic of heterochromatic sequences and three classes of euchromatics sequences: X-transposed, X-degenerate and ampliconic.
Journal ArticleDOI
Human Y Chromosome Azoospermia Factors (AZF) Mapped to Different Subregions in Yq11
Peter H. Vogt,A. Edelmann,S. Kirsch,O. Henegariu,P. Hirschmann,F. Kiesewetter,Frank-Michael Köhn,W.-B. Schill,S. Farah,C. Ramos,M. Hartmann,W. Hartschuh,D. Meschede,Hermann M. Behre,A. Castel,Eberhard Nieschlag,Wolfgang Weidner,Hermann Josef Gröne,A. Jung,Wolfgang Engel,Gerhard Haidl +20 more
TL;DR: The presence of not one but three spermatogenesis loci in Yq11 is proposed and that each locus is active during a different phase of male germ cell development.
Journal ArticleDOI
Diverse spermatogenic defects in humans caused by Y chromosome deletions encompassing a novel RNA–binding protein gene
Renee Reijo,Tien-Yi Lee,Pia Salo,Raaji Alagappan,Laura G. Brown,Michael A. Rosenberg,Michael A. Rosenberg,Steve Rozen,Tom Jaffe,Donald Straus,Outi Hovatta,Albert de la Chapelle,Sherman J. Silber,David C. Page +13 more
TL;DR: The region contains a single–copy gene, DAZ (Deleted in AZoospermia), which is transcribed in the adult testis and appears to encode an RNA binding protein, and the possibility that DAZ is AZF should now be explored.
Journal ArticleDOI
Y chromosome sequence variation and the history of human populations
Peter A. Underhill,Peidong Shen,A. A. Lin,Li Jin,Giuseppe Passarino,Wei-Hsien Yang,Kauffman E,Batsheva Bonne-Tamir,Jaume Bertranpetit,Paolo Francalacci,Muntaser E. Ibrahim,Trefor Jenkins,Kidd,S.Q. Mehdi,Mark Seielstad,R. S. Wells,Alberto Piazza,Ronald W. Davis,Marcus W. Feldman,Luigi Luca Cavalli-Sforza,Peter J. Oefner +20 more
TL;DR: Binary polymorphisms associated with the non-recombining region of the human Y chromosome (NRY) preserve the paternal genetic legacy of the authors' species that has persisted to the present, permitting inference of human evolution, population affinity and demographic history.
Journal ArticleDOI
The human Y chromosome: an evolutionary marker comes of age
TL;DR: The availability of the near-complete chromosome sequence, plus many new polymorphisms, a highly resolved phylogeny and insights into its mutation processes, now provide new avenues for investigating human evolution.
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