I︠u︡. M. Svirezhev, V. P. Pasekov,
... of Populations and Integral Renewal Equations.- 2.5. Panmixia and Other Systems of Mating.- 2.6. Principles ... with Specific Demographic Functions.- 2.8.1. Global Panmixia, Multiplicative Fecundity.- 2.8.2. Global Panmixia, Additive Fecundity.- 2.8.3. Local Panmixia.- 2.9. Equations of Evolution: Fecundity of a ... Notes and Bibliography.- 6. Populations With Deviations from Panmixia.- 6.1. Introduction.- 6.2. Preference in Crossing ... 6.3. Model of Population with Deviations from Panmixia Caused by Preference in Crossing.- 6.4. Evolution ...
Tópico(s): Evolution and Genetic Dynamics
1991 - Elsevier BV | Mathematics and Computers in Simulation
MARY J. GORTON, Emily L. Kasl, Jillian T. Detwiler, Charles D. Criscione,
... panmictic. Amongst metazoan parasites of animals, local-scale panmixia can be disrupted due to not only non- ... be used to test the null hypothesis of panmixia and thus, allow one to draw inferences about ... that addresses 3 tiered questions when testing parasite panmixia on local scales: is there greater than 1 ... review, we highlight the evolutionary significance of non-panmixia on local scales and the genetic patterns that ... factors that may cause or explain deviations from panmixia on a local scale. We also discuss how ...
Tópico(s): Helminth infection and control
2012 - Cambridge University Press | Parasitology
Partial panmixia can be regarded as the limiting case of long-distance migration. The effect of incorporating partial panmixia into neutral models of geographical variation is investigated. ... new alleles at the same rate. Introducing some panmixia intensifies sufficiently weak migration. A general formula is ... the underlying migration is either sufficiently weak or panmixia is sufficiently strong. However, in an analytic model, ... studied in detail. In the former, including some panmixia simply alters the underlying migration rate, increasing (decreasing) ...
Tópico(s): Genetic diversity and population structure
2010 - Elsevier BV | Theoretical Population Biology
Yoji Igarashi, Hong Zhang, Engkong Tan, Masashi Sekino, Kazutoshi Yoshitake, Shigeharu Kinoshita, Susumu Mitsuyama, Tatsuki Yoshinaga, Seinen Chow, Hiroaki Kurogi, Akira Shinoda, Yu‐San Han, Ryoshiro Wakiya, Noritaka Mochioka, Toshihiro Yamamoto, Hiroshi Kuwada, Yoshitsugu Kaji, Yutaka Suzuki, Takashi Gojobori, Takanori Kobayashi, Kenji Saitoh, Shugo Watabe, Shuichi Asakawa,
... common life cycle features. The population genetics of panmixia in these eel species has already been investigated. ... 0.01), we obtained results consistently indicating that panmixia does not occur in Japanese eels. The life ... isolation is not the probable cause of non-panmixia in this species. We propose that the combination ... and habitat preference/avoidance accounts for the non-panmixia in the Japanese eel population. We named this ...
Tópico(s): Genetic diversity and population structure
2018 - Multidisciplinary Digital Publishing Institute | Genes
In spatially distributed populations, global panmixia can be regarded as the limiting case of long-distance migration. The effect of incorporating partial panmixia into single-locus clines maintained by migration and ... a diallelic, two-deme model without dominance, partial panmixia can increase or decrease both the polymorphic area ... an unbounded habitat with a symmetric environment; partial panmixia maintains some polymorphism even as the distance from ...
Tópico(s): Mathematical Biology Tumor Growth
2011 - Elsevier BV | Theoretical Population Biology
Yu‐San Han, C-L Hung, Ying Liao, WN Tzeng,
... genetic structure of the Japanese eel Anguilla japonica: panmixia at spatial and temporal scales Yu-San Han1, ... Genetic differentiation · Japanese eel · Anguilla japonica · Microsatellite DNA · Panmixia · Isolation by time · IBT · Isolation by distance · IBD ... genetic structure of the Japanese eel Anguilla japonica: panmixia at spatial and temporal scales. Mar Ecol Prog ...
Tópico(s): Genetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities
2009 - Inter-Research | Marine Ecology Progress Series
Thomas A. White, Heather Fotherby, Philip A. Stephens, A. Rus Hoelzel,
... requires an understanding of the conditions under which panmixia may exist. Here, we study a species with ... or periodic mixing during reproduction) could lead to panmixia over a large geographic range. Using 13 microsatellite ... were consistent with the interpretation of long-range panmixia.
Tópico(s): Marine and fisheries research
2010 - Springer Nature | Heredity
Christian Barnabé, Rosio Buitrago, Philippe Brémond, Claudia Aliaga, Renata Salas, Pablo Vidaurre, Claudia Herrera, Frédérique Cerqueira, Marie-France Bosseno, Etienne Waleckx, Simone Frédérique Brénière,
... seven statistics, to test the null hypothesis of panmixia (H0). For three populations, none of the seven ... the tests have given contradictory results. Interestingly, apparent panmixia was only observed in very restricted areas, and ... as a good indicator of the existence of panmixia in wild environment but this must be confirmed ...
Tópico(s): Helminth infection and control
2013 - Public Library of Science | PLoS ONE
In geographically structured populations, global panmixia can be regarded as the limiting case of long-distance migration. The effect of incorporating partial panmixia into diallelic single-locus clines maintained by migration ... fundamentally from those for the classical cline without panmixia.
Tópico(s): Genetic Associations and Epidemiology
2012 - Elsevier BV | Theoretical Population Biology
Yuan Lou, Thomas Nagylaki, Linlin Su,
... the joint action of migration, selection, and partial panmixia (i.e., global random mating). We extend previous analyses [T. Nagylaki, Clines with partial panmixia, Theor. Popul. Biol. 81 (2012) 45–68] on ... migration, we show that increasing the rate of panmixia makes it harder to maintain the allele with ... that, at least in an average sense, increasing panmixia flattens the cline.
Tópico(s): Mathematical Biology Tumor Growth
2013 - Elsevier BV | Journal of Differential Equations
... exact treatment as those of Regression, Heredity, and Panmixia. Round the notion of panmixia much obscurity has accumulated, owing to the want ...
Tópico(s): Philosophy and History of Science
1896 - Royal Society | Philosophical Transactions of the Royal Society of London Series A Containing Papers of a Mathematical or Physical Character
Thomas A. White, Sérgio Stefanni, Joanne Stamford, A. Rus Hoelzel,
... thought capable of greater gene flow and consequent panmixia. Here we investigate the population genetics of the ... results, which show the opposite pattern, with effective panmixia across thousands of kilometres in the North Atlantic.
Tópico(s): Marine and fisheries research
2009 - Wiley | Molecular Ecology
Gilles Chaix, S. Gerber, Vololoniriana Razafimaharo, P. Vigneron, Daniel Verhaegen, Serge Hamon,
... years ago with two aims both based on panmixia: open-pollinated seed production and genetic improvement. The panmixia hypothesis has never been confirmed in the seed ... of this seed orchard. This study showed that "panmixia-like pollination" can be assumed.
Tópico(s): Ecology and Vegetation Dynamics Studies
2003 - Springer Science+Business Media | Theoretical and Applied Genetics
V. Ávila, Carmen Amador, Aurora García‐Dorado,
... Drosophila melanogaster, we explore the consequences of restricted panmixia (RP) on the genetic load caused by segregating ... heterozygous condition. Furthermore, fitness did not increase after panmixia was restored, implying that, during RP, the excess ...
Tópico(s): Genetic diversity and population structure
2010 - Oxford University Press | Journal of Evolutionary Biology
Thomas D. Als, Michael M. Hansen, Gregory E. Maes, Martín Castonguay, Lasse Riemann, Kim Aarestrup, Peter Munk, Henrik Sparholt, Reinhold Hanel, Louis Bernatchez,
... have been regarded as classic textbook examples of panmixia, each comprising a single, randomly mating population. However, ... time and assignment tests provided strong evidence for panmixia in both the Sargasso Sea and across all ...
Tópico(s): Aquaculture Nutrition and Growth
2011 - Wiley | Molecular Ecology
André E. Moura, Ada Natoli, Emer Rogan, A. Rus Hoelzel,
... loci) and establish that this species shows exceptional panmixia across most of the study range. We found ... is that an unperturbed population may currently show panmixia across the full study range. This exception to ...
Tópico(s): Arctic and Antarctic ice dynamics
2012 - Oxford University Press | Journal of Evolutionary Biology
Johan Dannewitz, Gregory E. Maes, Leif Johansson, Håkan Wickström, Filip Volckaert, Torbjörn Järvi,
... L.) has been a prime example of the panmixia paradigm because of its extraordinary adaptation to the ... geographical component. Our results provide support for the panmixia hypothesis and emphasize the importance of temporal replication ...
Tópico(s): Reproductive biology and impacts on aquatic species
2005 - Royal Society | Proceedings of the Royal Society B Biological Sciences
J. M. Pujolar, Magnus W. Jacobsen, Thomas D. Als, Jane Frydenberg, Kasper Munch, Bjarni Jónsson, Jianbo Jian, Lei Cheng, Gregory E. Maes, Louis Bernatchez, Michael M. Hansen,
... by gene flow, providing further evidence for genomic panmixia in the European eel. The lack of genetic ... in time were found in mainland Europe. Despite panmixia, a small set of SNPs showed high genetic ... occurs within just a single generation due to panmixia. This supports the conclusion that most of the ...
Tópico(s): Genetic and phenotypic traits in livestock
2014 - Wiley | Molecular Ecology
Jeff J. Shi, Lauren M. Chan, Alison J. Peel, Rebecca Lai, Anne D. Yoder, Steven M. Goodman,
... population genetic studies of E. helvum indicate widespread panmixia across the continent, although island populations off western ... sites in exposed rock outcrops. However, despite apparent panmixia in both Eidolon spp. and large dispersal distances ...
Tópico(s): Yersinia bacterium, plague, ectoparasites research
2014 - Museum and Institute of Zoology | Acta Chiropterologica
John B. Horne, Lynne van Herwerden,
... inferences frequently fail to distinguish between long‐term panmixia and metapopulations connected by gene flow. Moreover, marine ... two‐fold: first, to test for broad‐scale panmixia in N . hexacanthus by fitting the data to ...
Tópico(s): Marine and fisheries research
2013 - Oxford University Press | Journal of Evolutionary Biology
Marc‐André Selosse, Lucie Vincenot, Maarja Öpik,
... shown that many ECM basidiomycetes are randomly outcrossing (panmixia; Douhan et al., 2011), meaning that heterozygosity should ... of three basidiomycetes that show strong cues for panmixia on the basis of other loci, namely Laccaria ... it with the expected frequency of heterozygotes, assuming panmixia, using two mutation models. We observed a clear ... that sequence editing can mask the hallmark of panmixia, creating an apparent excess of homozygotes in INSD ...
Tópico(s): Plant Pathogens and Fungal Diseases
2016 - Wiley | New Phytologist
... large amount of population genetic studies testing the panmixia hypothesis in the E uropean eel, a relatively ... differentiation among samples and provide decisive evidence for panmixia in the A merican eel.
Tópico(s): Aquaculture Nutrition and Growth
2013 - Wiley | Molecular Ecology
Jan Christian Habel, Werner Ulrich, Gustav Peters, Martin Husemann, Luc Lens,
... two contrasting distribution patterns, mountain disjunction versus lowland panmixia. In this study, we compare the population genetic ... low level of intraspecific variability. In contrast, population panmixia in the lowland Z. abyssinicus provides a high ...
Tópico(s): Genetic and Environmental Crop Studies
2014 - Springer Science+Business Media | Conservation Genetics
Fu-Xiang Li, Kimie Nakashima, Wei Ni,
... the joint action of selection, migration, and partial panmixia – a non-local term , for the complete dominance ... of the diffusion coefficient d and the partial panmixia rate b , is obtained under different signs of ... how the non-local term – namely, the partial panmixia – helps the migration in this model.
Tópico(s): Evolution and Genetic Dynamics
2015 - Cambridge University Press | European Journal of Applied Mathematics
Giulia Anderson, John Hampton, Neville Smith, Ciro Rico,
... individuals, there is also a strong argument for panmixia within an ocean basin. It is important to ... South Pacific. We found no evidence to challenge panmixia at neutral loci, but strong indications of structuring ... ocean basin, and not to assume genome‐wide panmixia.
Tópico(s): Marine and fisheries research
2019 - Wiley | Ecology and Evolution
Produção Nacional
Revisado por pares
J. Soubihe Sobrinho, J. T. A. Gurgel,
... como um recessivo marcador, determinar a taxa de panmixia. Para o presente estudo colheram-se, de cada ... homogeneidade de proporção revelou que a taxa de panmixia variava de planta a planta, indo de 25, ...
Tópico(s): Plant Physiology and Cultivation Studies
1962 - INSTITUTO AGRONÔMICO DE CAMPINAS | Bragantia
Peter E. Smouse, James V. Neel, Wanda Liu,
... traditional horticulturalists leads to substantial departures from tribal panmixia, as manifested by the distribution of multiple-locus ... As agglomeration increases, the departures from multiple-locus panmixia decrease, a process that can be very rapid. ...
Tópico(s): Evolution and Genetic Dynamics
1983 - Oxford University Press | Genetics
James Mallet, Axel Meyer, Patrik Nosil, Jeefrey L. Feder,
... have redefined ‘sympatric speciation’ non‐spatially to require panmixia ( m = 0.5) between a pair of demes before onset of reproductive isolation. Although panmixia is a suitable starting point in models of ...
Tópico(s): Animal Ecology and Behavior Studies
2009 - Oxford University Press | Journal of Evolutionary Biology
Sebastian P. Holmes, Rob Witbaard, Gerrit van Meer,
... macroscale (>1000 km), thereby supporting the assumption of panmixia. Examination of the quantitative morphological traits between 5 ... were studied. KEY WORDS: Arctica islandica · Dispersal · Genotypic · Panmixia · Phenotypic · RAPD Full text in pdf format PreviousNextExport ...
Tópico(s): Marine Bivalve and Aquaculture Studies
2003 - Inter-Research | Marine Ecology Progress Series
Mark Beaumont, Mahesh Panchal,
... persuasive case for testing NCPA under scenarios of panmixia, using simulated data sets: ‘One method to obtain ... categories of inference in data simulated under complete panmixia and those observed in published data sets. In ...
Tópico(s): Genomics and Phylogenetic Studies
2008 - Wiley | Molecular Ecology