Search Results - "Ptak, E."

Lipid droplets in mammalian eggs are utilized during embryonic diapause by Arena, Roberta, Bisogno, Simona, Ga̧sior, Łukasz, Rudnicka, Joanna, Bernhardt, Laura, Haaf, Thomas, Zacchini, Federica, Bochenek, Michał, Fic, Kinga, Bik, Ewelina, Barańska, Małgorzata, Bodzoń-Kułakowska, Anna, Suder, Piotr, Depciuch, Joanna, Gurgul, Artur, Polański, Zbigniew, Ptak, Grażyna E.

“…Embryonic diapause (ED) is a temporary arrest of an embryo at the blastocyst stage when it waits for the uterine receptivity signal to implant. ED used by over…”
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Genetic relationship among somatic cell score and some milking traits in Holstein-Friesian primiparous cows milked by an automated milking system by Piwczyński, D., Sitkowska, B., Ptak, E.

“…The automated milking system provides breeders with a large amount of automatically collected information about each cow in herd that cannot be easily obtained…”
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Genetic relationships of body condition score and locomotion with production, type and fertility traits in Holstein-Friesian cows by Jagusiak, W., Ptak, E., Otwinowska-Mindur, A., Zarnecki, A.

“…•Body condition score and locomotion could help to prevent the worsening health of cows.•Body condition score is moderately heritable and correlated with…”
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Analysis of one million base pairs of Neanderthal DNA by Ronan, Michael T, Egholm, Michael, Paunovic, Maja, Pääbo, Svante, Green, Richard E, Ptak, Susan E, Rothberg, Jonathan M, Briggs, Adrian W, Simons, Jan F, Krause, Johannes, Du, Lei

“…Neanderthals are the extinct hominid group most closely related to contemporary humans, so their genome offers a unique opportunity to identify genetic changes…”
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Embryonic diapause is conserved across mammals by Ptak, Grazyna E, Tacconi, Emanuela, Czernik, Marta, Toschi, Paola, Modlinski, Jacek A, Loi, Pasqualino

“…Embryonic diapause (ED) is a temporary arrest of embryo development and is characterized by delayed implantation in the uterus. ED occurs in blastocysts of…”
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Bonobos fall within the genomic variation of chimpanzees by Fischer, Anne, Prüfer, Kay, Good, Jeffrey M, Halbwax, Michel, Wiebe, Victor, André, Claudine, Atencia, Rebeca, Mugisha, Lawrence, Ptak, Susan E, Pääbo, Svante

“…To gain insight into the patterns of genetic variation and evolutionary relationships within and between bonobos and chimpanzees, we sequenced 150,000 base…”
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Effects of blastomere biopsy on post-natal growth and behavior in mice by Sampino, S., Zacchini, F., Swiergiel, A.H., Modlinski, A.J., Loi, P., Ptak, G.E.

“…STUDY QUESTION Does blastomere biopsy (BB) of preimplantation embryos induce long-term effects on their growth and post-natal behavior? SUMMARY ANSWER BB…”
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Fine-scale recombination patterns differ between chimpanzees and humans by Patil, Nila, Ptak, Susan E, Koehler, Kathrin, Frazer, Kelly A, Hinds, David A, Nickel, Birgit, Pääbo, Svante, Przeworski, Molly, Ballinger, Dennis G

“…Recombination rates seem to vary extensively along the human genome. Pedigree analysis suggests that rates vary by an order of magnitude when measured at the…”
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Why do human diversity levels vary at a megabase scale? by Hellmann, Ines, Prüfer, Kay, Ji, Hongkai, Zody, Michael C, Pääbo, Svante, Ptak, Susan E

“…Levels of diversity vary across the human genome. This variation is caused by two forces: differences in mutation rates and the differential impact of natural…”
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Comparison of random regression test-day models for Polish Black and White cattle by Strabel, T, Szyda, J, Ptak, E, Jamrozik, J

“…Test-day milk yields of first-lactation Black and White cows were used to select the model for routine genetic evaluation of dairy cattle in Poland. The…”
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Genetic relationship between lactation persistency and conformation traits in Polish Holstein-Friesian cow population by Otwinowska-Mindur, A., Ptak, E., Jagusiak, W.

“…The objective of this study was to find genetic relationships between lactation persistency and conformation traits of Polish Holstein-Friesian cows. The data…”
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Absence of the TAP2 human recombination hotspot in chimpanzees by Ptak, Susan E, Roeder, Amy D, Stephens, Matthew, Gilad, Yoav, Pääbo, Svante, Przeworski, Molly

“…Recent experiments using sperm typing have demonstrated that, in several regions of the human genome, recombination does not occur uniformly but instead is…”
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Linkage Disequilibrium Extends Across Putative Selected Sites in FOXP2 by Ptak, Susan E., Enard, Wolfgang, Wiebe, Victor, Hellmann, Ines, Krause, Johannes, Lachmann, Michael, Pääbo, Svante

“…Polymorphism data in humans suggest that the gene encoding the transcription factor FOXP2, which influences speech and language development, has been subject…”
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Grand-paternal age and the development of autism-like symptoms in mice progeny by Sampino, S, Juszczak, G R, Zacchini, F, Swiergiel, A H, Modlinski, J A, Loi, P, Ptak, G E

“…Advanced paternal age (APA) contributes to the risk of autism spectrum disorders (ASDs) in children. In this study, we used a mouse model to investigate the…”
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A Neutral Explanation for the Correlation of Diversity with Recombination Rates in Humans by Hellmann, Ines, Ebersberger, Ingo, Ptak, Susan E., Pääbo, Svante, Przeworski, Molly

“…One of the most striking findings to emerge from the study of genomic patterns of variation is that regions with lower recombination rates tend to have lower…”
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Evidence for population growth in humans is confounded by fine-scale population structure by Ptak, Susan E., Przeworski, Molly

“…Although many studies have reported human polymorphism data, there has been no analysis of the effect of sampling design on the patterns of variability…”
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Autophagy and apoptosis: parent-of-origin genome-dependent mechanisms of cellular self-destruction by Ptak, Grazyna E., Toschi, Paola, Fidanza, Antonella, Czernik, Marta, Zacchini, Federica, Modlinski, Jacek A., Loi, Pasqualino

“…Functional genomic imprinting is necessary for the transfer of maternal resources to mammalian embryos. Imprint-free embryos are unable to establish a viable…”
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Genetic correlations between type traits of young Polish Holstein-Friesian bulls and their daughters by Jagusiak, W., Otwinowska-Mindur, A., Ptak, E., Żarnecki, A.

“…The objective of this study was to evaluate the usefulness of young bulls' conformation scores in a national type evaluation system. For this purpose the…”
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Heritabilities and genetic correlations of lactational and daily somatic cell score with conformation traits in Polish Holstein cattle by Ptak, E.,University of Agriculture, Cracow (Poland). Dept. of Genetics and Animal Breeding, Jagusiak, W.,University of Agriculture, Cracow (Poland). Dept. of Genetics and Animal Breeding, Zarnecki, A.,National Research Inst. of Animal Production, Balice (Poland), Otwinowska-Mindur, A.,University of Agriculture, Cracow (Poland). Dept. of Genetics and Animal Breeding

“…The objective of this study was to estimate heritabilities and genetic correlations of lactational and daily somatic cell scores with descriptive and linear…”
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Embryo biopsy and development: the known and the unknown by Zacchini, Federica, Arena, Roberta, Abramik, Adam, Ptak, Grazyna E

“…Preimplantation genetic diagnosis (PGD) has been introduced in clinical practice as a tool for selecting ‘healthy’ embryos before their transfer in utero. PGD…”
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