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https://www.readbyqxmd.com/read/27902727/hybrid-origins-of-citrus-varieties-inferred-from-dna-marker-analysis-of-nuclear-and-organelle-genomes
#1
Tokurou Shimizu, Akira Kitajima, Keisuke Nonaka, Terutaka Yoshioka, Satoshi Ohta, Shingo Goto, Atsushi Toyoda, Asao Fujiyama, Takako Mochizuki, Hideki Nagasaki, Eli Kaminuma, Yasukazu Nakamura
Most indigenous citrus varieties are assumed to be natural hybrids, but their parentage has so far been determined in only a few cases because of their wide genetic diversity and the low transferability of DNA markers. Here we infer the parentage of indigenous citrus varieties using simple sequence repeat and indel markers developed from various citrus genome sequence resources. Parentage tests with 122 known hybrids using the selected DNA markers certify their transferability among those hybrids. Identity tests confirm that most variant strains are selected mutants, but we find four types of kunenbo (Citrus nobilis) and three types of tachibana (Citrus tachibana) for which we suggest different origins...
2016: PloS One
https://www.readbyqxmd.com/read/27892478/continuous-single-cell-imaging-reveals-sequential-steps-of-plasmacytoid-dendritic-cell-development-from-common-dendritic-cell-progenitors
#2
Ezgi Dursun, Max Endele, Andrea Musumeci, Henrik Failmezger, Shu-Hung Wang, Achim Tresch, Timm Schroeder, Anne B Krug
Functionally distinct plasmacytoid and conventional dendritic cells (pDC and cDC) shape innate and adaptive immunity. They are derived from common dendritic cell progenitors (CDPs) in the murine bone marrow, which give rise to CD11c(+) MHCII(-) precursors with early commitment to DC subpopulations. In this study, we dissect pDC development from CDP into an ordered sequence of differentiation events by monitoring the expression of CD11c, MHC class II, Siglec H and CCR9 in CDP cultures by continuous single cell imaging and tracking...
November 28, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27862377/merging-pedigree-databases-to-describe-and-compare-mating-practices-and-gene-flow-between-pedigree-dogs-in-france-sweden-and-the-uk
#3
S Wang, G Leroy, S Malm, T Lewis, E Strandberg, W F Fikse
Merging pedigree databases across countries may improve the ability of kennel organizations to monitor genetic variability and health-related issues of pedigree dogs. We used data provided by the Société Centrale Canine (France), Svenska Kennelklubben (Sweden) and the Kennel Club (UK) to study the feasibility of merging pedigree databases across countries and describe breeding practices and international gene flow within the following four breeds: Bullmastiff (BMA), English setter (ESE), Bernese mountain dog (BMD) and Labrador retriever (LBR)...
November 10, 2016: Journal of Animal Breeding and Genetics, Zeitschrift Für Tierzüchtung und Züchtungsbiologie
https://www.readbyqxmd.com/read/27861935/familial-link-of-otitis-media-requiring-tympanostomy-tubes
#4
Reema Padia, Jeremiah A Alt, Karen Curtin, Harlan R Muntz, Richard R Orlandi, Justin Berger, Jeremy D Meier
OBJECTIVES/HYPOTHESIS: Placement of tympanostomy tubes for recurrent or chronic otitis media is the most commonly performed ambulatory procedure in the United States. Etiologies have been speculated to be environmentally based, and studies have suggested a genetic component to the disease. However, no large-scale studies have attempted to define a familial component. The objective of this study was to determine the familial risk of otitis media requiring tympanostomy tubes (OMwTT) in a statewide population...
November 11, 2016: Laryngoscope
https://www.readbyqxmd.com/read/27859539/clinicopathologic-heterogeneity-in-ftdp-17-due-to-mapt-p-p301l-mutation-including-a-patient-with-globular-glial-tauopathy
#5
Pawel Tacik, Monica Sanchez-Contreras, Michael DeTure, Melissa E Murray, Rosa Rademakers, Owen A Ross, Zbigniew K Wszolek, Joseph E Parisi, David S Knopman, Ronald C Petersen, Dennis W Dickson
AIM: The p.P301L mutation in microtubule-associated protein tau (MAPT) is a common cause of frontotemporal dementia and Parkinsonism linked to chromosome 17 (FTDP-17). We compare clinicopathologic features of five unrelated and three related (brother, sister and cousin) patients with FTDP-17 due to p.P301L mutation. METHODS: Genealogical, clinical, neuropathologic, and genetic data were reviewed from eight individuals RESULTS: The series consisted of five men and three women with an average age of death of 58 years (52-65 years) and average disease duration of 9 years (3-14 years)...
November 8, 2016: Neuropathology and Applied Neurobiology
https://www.readbyqxmd.com/read/27817057/the-y-chromosome-as-the-most-popular-marker-in-genetic-genealogy-benefits-interdisciplinary-research
#6
REVIEW
Francesc Calafell, Maarten H D Larmuseau
The Y chromosome is currently by far the most popular marker in genetic genealogy that combines genetic data and family history. This popularity is based on its haploid character and its close association with the patrilineage and paternal inherited surname. Other markers have not been found (yet) to overrule this status due to the low sensitivity and precision of autosomal DNA for genetic genealogical applications, given the vagaries of recombination, and the lower capacities of mitochondrial DNA combined with an in general much lower interest in maternal lineages...
November 5, 2016: Human Genetics
https://www.readbyqxmd.com/read/27807717/the-clinical-features-of-osteogenesis-imperfecta-in-vietnam
#7
Ho Duy Binh, Katre Maasalu, Vu Chi Dung, Can T Bich Ngoc, Ton That Hung, Tran V Nam, Le N Thanh Nhan, Ele Prans, Ene Reimann, Lidiia Zhytnik, Sulev Kõks, Aare Märtson
PURPOSE: Osteogenesis imperfecta (OI) has not been studied in a Vietnamese population before. The aim of this study was to systematically collect epidemiological information, investigate clinical features and create a clinical database of OI patients in Vietnam for future research and treatment strategy development. METHOD: Participants underwent clinical and physical examinations; also medical records were reviewed. Genealogical information was collected and family members' phenotypical manifestations recorded...
November 2, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/27806733/ancient-origin-and-recent-range-expansion-of-the-maize-weevil-sitophilus-zeamais-and-its-genealogical-relationship-to-the-rice-weevil-s-oryzae
#8
A S Corrêa, C C Vinson, L S Braga, R N C Guedes, L O de Oliveira
Archeological records attest the early association of Sitophilus with stored cereals from the beginning of agriculture on Asia. The maize weevil (Sitophilus zeamais) became particularly damaging to maize, a cereal crop domesticated on Mesoamerica. We investigated the late evolutionary history of the maize weevil to gain insights on its origin, timing of association with maize, and genealogical relationship to the almost morphologically indistinguishable rice weevil (Sitophilus oryzae). Two mitochondrial genes (cytochrome oxidase subunit I and cytochrome oxidase subunit II) and the nuclear ribosomal gene region were partially sequenced...
November 3, 2016: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/27801980/phylodyn-an-r-package-for-phylodynamic-simulation-and-inference
#9
Michael D Karcher, Julia A Palacios, Shiwei Lan, Vladimir N Minin
We introduce phylodyn, an r package for phylodynamic analysis based on gene genealogies. The package's main functionality is Bayesian nonparametric estimation of effective population size fluctuations over time. Our implementation includes several Markov chain Monte Carlo-based methods and an integrated nested Laplace approximation-based approach for phylodynamic inference that have been developed in recent years. Genealogical data describe the timed ancestral relationships of individuals sampled from a population of interest...
November 1, 2016: Molecular Ecology Resources
https://www.readbyqxmd.com/read/27799530/first-genealogy-for-a-wild-marine-fish-population-reveals-multigenerational-philopatry
#10
Océane C Salles, Benoit Pujol, Jeffrey A Maynard, Glenn R Almany, Michael L Berumen, Geoffrey P Jones, Pablo Saenz-Agudelo, Maya Srinivasan, Simon R Thorrold, Serge Planes
Natal philopatry, the return of individuals to their natal area for reproduction, has advantages and disadvantages for animal populations. Natal philopatry may generate local genetic adaptation, but it may also increase the probability of inbreeding that can compromise persistence. Although natal philopatry is well documented in anadromous fishes, marine fish may also return to their birth site to spawn. How philopatry shapes wild fish populations is, however, unclear because it requires constructing multigenerational pedigrees that are currently lacking for marine fishes...
October 31, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27795847/cleavage-of-human-embryos-options-and-diversity
#11
Yu K Doronin, I V Senechkin, L V Hilkevich, M A Kurcer
In order to estimate the diversity of embryo cleavage relatives to embryo progress (blastocyst formation), time-lapse imaging data of preimplantation human embryo development were used. This retrospective study is focused on the topographic features and time parameters of the cleavages, with particular emphasis on the lengths of cleavage cycles and the genealogy of blastomeres in 2- to 8-cell human embryos. We have found that all 4-cell human embryos have four developmental variants that are based on the sequence of appearance and orientation of cleavage planes during embryo cleavage from 2 to 4 blastomeres...
July 2016: Acta Naturae
https://www.readbyqxmd.com/read/27782786/good-gay-buddies-for-lifetime-homosexually-themed-discourse-and-the-construction-of-heteromasculinity-among-chinese-urban-youth
#12
Wei Wei
Starting as an Internet meme, the homosexually-themed gao-ji discourse recently becomes popular among Chinese urban youth in describing intimate relationship among heterosexual men. Positioned within a body of scholarship on the interplay between language, homophobia and the construction of heteromasculinity, this paper suggests that the gao-ji discourse manifests a form of male homosociality, through which new boundaries of Chinese heteromasculinity may be renegotiated. Based on qualitative interviews with college students, the paper first tracks the genealogy of the gao-ji discourse in the wake of China's booming Internet culture...
October 26, 2016: Journal of Homosexuality
https://www.readbyqxmd.com/read/27761960/inferring-paternal-history-of-rural-african-derived-brazilian-populations-from-y-chromosomes
#13
Lilian Kimura, Kelly Nunes, Lúcia Inês Macedo-Souza, Jorge Rocha, Diogo Meyer, Regina Célia Mingroni-Netto
OBJECTIVES: Quilombo remnants are relics of communities founded by runaway or abandoned African slaves, but often with subsequent extensive and complex admixture patterns with European and Native Americans. We combine a genetic study of Y-chromosome markers with anthropological surveys in order to obtain a portrait of quilombo structure and history in the region that has the largest number of quilombo remnants in the state of São Paulo. METHODS: Samples from 289 individuals from quilombo remnants were genotyped using a set of 17 microsatellites on the Y chromosome (AmpFlSTR-Yfiler)...
October 20, 2016: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/27756239/the-infant-feeding-genogram-a-tool-for-exploring-family-infant-feeding-history-and-identifying-support-needs
#14
K L Darwent, R J McInnes, V Swanson
BACKGROUND: Family culture and beliefs are passed through the generations within families and influence what constitutes appropriate infant care. This includes infant feeding decisions where a family history and support network congruent with women's infant feeding intentions has been shown to be important to women's breastfeeding experience. This is reflected in breastfeeding rates where women who were not breastfed themselves are less likely to initiate and continue with breastfeeding...
October 19, 2016: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/27746285/construction-and-analysis-of-functional-networks-in-the-gut-microbiome-of-type-2-diabetes-patients
#15
Lianshuo Li, Zicheng Wang, Peng He, Shining Ma, Jie Du, Rui Jiang
Although networks of microbial species have been widely used in the analysis of 16S rRNA sequencing data of a microbiome, the construction and analysis of a complete microbial gene network is in general problematic because of the large number of microbial genes in metagenomics studies. To overcome this limitation, we propose to map microbial genes to functional units, including KEGG orthologous groups and the evolutionary genealogy of genes: Non-supervised Orthologous Groups (eggNOG) orthologous groups, to enable the construction and analysis of a microbial functional network...
October 13, 2016: Genomics, Proteomics & Bioinformatics
https://www.readbyqxmd.com/read/27742098/production-of-antifungal-and-antiinsectan-metabolites-by-the-picea-endophyte-diaporthe-maritima-sp-nov
#16
Joey B Tanney, David R McMullin, Blake D Green, J David Miller, Keith A Seifert
The genus Diaporthe comprises close to 800 species, with around 2000 names attributed to it and its asexual morphs previously recognized in Phomopsis. Diaporthe species are common plant associates, including saprotrophs, pathogens, and endophytes affiliated with a diverse range of hosts worldwide. In this study, an unknown Diaporthe sp. was frequently isolated as an endophyte from healthy Picea mariana and Picea rubens needles in the Acadian forest of Eastern Canada. Morphological observations and the application of the genealogical concordance phylogenetic species recognition concept using four unlinked loci (internal transcribed spacer (ITS), DNA-lyase (Apn2), translation elongation factor 1-α (EF1-α), and beta-tubulin (TUB)) support the distinctiveness of this species, described here as Diaporthe maritima...
November 2016: Fungal Biology
https://www.readbyqxmd.com/read/27730373/angela-r-a-familial-alzheimer-s-disease-case-in-the-days-of-auguste-d
#17
Laura Borrello, Chiara Cupidi, Valentina Laganà, Maria Anfossi, Maria Elena Conidi, Nicoletta Smirne, Maria Taverniti, Roberto Guarasci, Amalia Cecilia Bruni
The rebuilding of the N family, a large Italian kindred affected by early-onset autosomal dominant Alzheimer's disease (AD), provided an important contribution to the discovery of Presenilin 1 (PSEN1), the main gene responsible for familial AD. This pedigree was identified with the help of medical records from the archives of the Psychiatric Hospital of Girifalco, Italy. The clinical record of Angela R., an ancestor of the N family, dating back to 1904, showed a clinical picture of Angela R., consistent with a diagnosis of non-amnestic probable AD, matching the "dysexecutive" phenotype described in her descendants...
December 2016: Journal of Neurology
https://www.readbyqxmd.com/read/27730086/endocrinology-in-the-ramayana
#18
Sanjay Kalra, Manash P Baruah, Bharti Kalra
This article is one of a series of publications which highlight the possible endocrine conditions and interventions listed in the ancient texts. This compendium lists episodes from the Indian epic Ramayana and from the associated genealogy of Lord Rama's dynasty, the Suryavanshis. These episodes are chosen for their relevance to endocrinology and are listed in a gland-based order. It is hoped that this communication will encourage further work on endocrine literary forensics.
September 2016: Indian Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27722863/genome-and-evolution-of-yersinia-pestis
#19
Yujun Cui, Yajun Song
This chapter summarizes researches on genome and evolution features of Yersinia pestis, the young pathogen that evolved from Y. pseudotuberculosis at least 5000 years ago. Y. pestis is a highly clonal bacterial species with closed pan-genome. Comparative genomic analysis revealed that genome of Y. pestis experienced highly frequent rearrangement and genome decay events during the evolution. The genealogy of Y. pestis includes five major branches, and four of them seemed raised from a "big bang" node that is associated with the Black Death...
2016: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27720784/resolving-incongruence-species-of-hybrid-origin-in-columnea-gesneriaceae
#20
James F Smith, John L Clark, Marisol Amaya-Márquez, Oscar H Marín-Gómez
Speciation by hybridization has long been recognized among plants and includes both homoploid and allopolyploid speciation. The numbers of presumed hybrid species averages close to 11% and tends to be concentrated in a subset of angiosperm families. Recent advances in molecular methods have verified species of hybrid origin that had been presumed on the basis of morphology and have identified species that were not initially considered hybrids. Identifying species of hybrid origin is often a challenge and typically based on intermediate morphology, or discrepancies between molecular datasets...
October 5, 2016: Molecular Phylogenetics and Evolution
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