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Articles 91 - 120 of 159
Full-Text Articles in Genetics and Genomics
Admixture Patterns And Genetic Differentiation In Negrito Groups From West Malaysia Estimated From Genome-Wide Snp Data, Timothy A. Jinam, Maude E. Phipps, Naruya Saitou, The Hugo Pan-Asian Snp Consortium
Admixture Patterns And Genetic Differentiation In Negrito Groups From West Malaysia Estimated From Genome-Wide Snp Data, Timothy A. Jinam, Maude E. Phipps, Naruya Saitou, The Hugo Pan-Asian Snp Consortium
Human Biology
Southeast Asia houses various culturally and linguistically diverse ethnic groups. In Malaysia, where the Malay, Chinese, and Indian ethnic groups form the majority, there exist minority groups such as the "negritos" who are believed to be descendants of the earliest settlers of Southeast Asia. Here we report patterns of genetic substructure and admixture in two Malaysian negrito populations (Jehai and Kensiu), using ~50,000 genome-wide single-nucleotide polymorphism (SNP) data. We found traces of recent admixture in both the negrito populations, particularly in the Jehai, with the Malay through principal component analysis and STRUCTURE analysis software, which suggested that the admixture was …
The Andaman Islanders In A Regional Genetic Context: Reexamining The Evidence For An Early Peopling Of The Archipelago From South Asia, Gyaneshwer Chaubey, Phillip Endicott
The Andaman Islanders In A Regional Genetic Context: Reexamining The Evidence For An Early Peopling Of The Archipelago From South Asia, Gyaneshwer Chaubey, Phillip Endicott
Human Biology
The indigenous inhabitants of the Andaman Islands were considered by many early anthropologists to be pristine examples of a "negrito" substrate of humanity that existed throughout Southeast Asia. Despite over 150 years of research and study, questions over the extent of shared ancestry between Andaman Islanders and other small-bodied, gracile, dark-skinned populations throughout the region are still unresolved. This shared phenotype could be a product of shared history, evolutionary convergence, or a mixture of both. Recent population genetic studies have tended to emphasize long-term physical isolation of the Andaman Islanders and an affinity to ancestral populations of South Asia. We …
Craniodental Affinities Of Southeast Asia's "Negritos" And The Concordance With Their Genetic Affinities, David Bulbeck
Craniodental Affinities Of Southeast Asia's "Negritos" And The Concordance With Their Genetic Affinities, David Bulbeck
Human Biology
Genetic research into Southeast Asia's "negritos" has revealed their deep-rooted ancestry, with time depth comparable to that of Southwest Pacific populations. This finding is often interpreted as evidence that negritos, in contrast to other Southeast Asians, can trace much of their ancestry directly back to the early dispersal of Homo sapiens in the order of 70 kya from Africa to Pleistocene New Guinea and Australia. One view on negritos is to lump them and Southwest Pacific peoples into an "Australoid" race whose geographic distribution had included Southeast Asia prior to the Neolithic incursion of "Mongoloid" farmers. Studies into Semang osteology …
Ancestry Informative Markers Clarify The Regional Admixture Variation In The Costa Rican Population, Rebeca Campos-Sánchez, Henriette Raventós, Ramiro Barrantes
Ancestry Informative Markers Clarify The Regional Admixture Variation In The Costa Rican Population, Rebeca Campos-Sánchez, Henriette Raventós, Ramiro Barrantes
Human Biology Open Access Pre-Prints
The genetic structure of Costa Rica’s population is complex, both by region and by individual, due to the admixture process that started during the 15th century and historical events thereafter. Previous studies have been done mostly on Amerindian populations and the Central Valley inhabitants using various microsatellites and mtDNA markers. Here, we study for the first time a random sample from all regions of the country with AIMS (Ancestry Informative Markers) to address the individual and regional admixture proportions. A sample of 160 male individuals was screened for 78 AIMs customized in a GoldenGate platform from Illumina. We observed that …
Analysis Of Uniparental Lineages In Two Villages Of Santiago Del Estero, Argentina, Seat Of “Pueblos De Indios” In Colonial Times, Maia Pauro, Angelina García, Rodrigo Nores, Darío A. Demarchi
Analysis Of Uniparental Lineages In Two Villages Of Santiago Del Estero, Argentina, Seat Of “Pueblos De Indios” In Colonial Times, Maia Pauro, Angelina García, Rodrigo Nores, Darío A. Demarchi
Human Biology Open Access Pre-Prints
Based on the analysis of the mitochondrial control region and seven biallelic markers of the Y Chromosome, we investigated the genetic composition of two rural populations of southern Santiago del Estero, Argentina, that were seats in colonial times of “pueblos de indios”, a colonial practice that consisted of concentrating the indigenous populations in organized and accessible settlements, to facilitate Christianizing and policing. We found the Native American Y chromosome haplogroup Q1a3a in only 11% (3/27) of the males. Haplogroup R, common in European populations, is the most frequent haplogroup in Santiago del Estero (55%). In contrast, the persistence of Native …
How Studies Of Human Sex Ratios At Birth May Lead To The Understanding Of Several Forms Of Pathology, William H. James
How Studies Of Human Sex Ratios At Birth May Lead To The Understanding Of Several Forms Of Pathology, William H. James
Human Biology Open Access Pre-Prints
This paper deals with the problem of the causes of the variation of sex ratio (proportion male) at birth. This problem is common to a number of areas in biology and medicine e.g. obstetrics, neurology/psychiatry, parasitology, virology, oncology and teratology. It is established that there are significantly biased, but unexplained, sex ratios in each of these fields. Yet workers in them (with the possible exception of virology) have regarded the problem as a minor loose end, irrelevant to the field’s major problems. However, as far as I know, no-one has previously noted that unexplained biased sex ratios occur, and thus …
The -9/+9 Polymorphism Of The Bradykinin Receptor Beta 2 Gene And Athlete Status: A Study Involving Two European Cohorts., Marek Sawczuk, Yevgeniya I. Timshina, Irina V. Astratenkova, Agnieszka Maciejewska-Karłowska, Agata Leońska-Duniec, Krzysztof Ficek, Leysan J. Mustafina, Paweł Cięszczyk, Tomasz Klocek, Ildus I. Ahmetov
The -9/+9 Polymorphism Of The Bradykinin Receptor Beta 2 Gene And Athlete Status: A Study Involving Two European Cohorts., Marek Sawczuk, Yevgeniya I. Timshina, Irina V. Astratenkova, Agnieszka Maciejewska-Karłowska, Agata Leońska-Duniec, Krzysztof Ficek, Leysan J. Mustafina, Paweł Cięszczyk, Tomasz Klocek, Ildus I. Ahmetov
Human Biology Open Access Pre-Prints
Background: Previous studies concerning the relevance of the BDKRB2 gene polymorphisms revealed that the absence (–9 allele) of a 9 base pair sequence in exon 1 of the BDKRB2 gene is correlated with higher skeletal muscle metabolic efficiency, glucose uptake during exercise, as well as endurance athletic performance. Aim: The aim of the study was to investigate the association between the BDKRB2 -9/+9 polymorphism and elite athletic status in two cohorts of east-European athletes. Therefore, we examined the genotype distribution of the BDKRB2 9/+9 polymorphic site in a group of Polish athletes and confirmed the results obtained in a replication …
Genetic Variation Of X-Strs In The Wichí Population From Chaco Province, Argentina, Laura Angela Glesmann, Pablo Francisco Martina, Cecilia Inés Catanesi
Genetic Variation Of X-Strs In The Wichí Population From Chaco Province, Argentina, Laura Angela Glesmann, Pablo Francisco Martina, Cecilia Inés Catanesi
Human Biology Open Access Pre-Prints
The Wichí people from Chaco province inhabit the region called Impenetrable Chaqueño, where the climatic conditions are extreme. Besides the scarce communication with the main urban centers, the cultural patterns of the Wichí cause these communities to live in certain degree of isolation. The effect of this situation is an increased genetic differentiation from other populations, as it was observed through autosomal and Y chromosome markers. However, the genetic variation of X chromosome has not been fully analyzed yet. The patterns of allele distribution of different markers of X chromosome can be highly informative in comparative studies, because its special …
Hypothesis Driven Single Nucleotide Polymorphism Search (Hydn-Snp-S), Rebecca J. Swett, Angela Elias, Jeffrey A. Miller, Gregory E. Dyson, G. AndréS Cisneros
Hypothesis Driven Single Nucleotide Polymorphism Search (Hydn-Snp-S), Rebecca J. Swett, Angela Elias, Jeffrey A. Miller, Gregory E. Dyson, G. AndréS Cisneros
Chemistry Faculty Research Publications
The advent of complete-genome genotyping across phenotype cohorts has provided a rich source of information for bioinformaticians. However the search for SNPs from this data is generally performed on a study-by-study case without any specific hypothesis of the location for SNPs that are predictive for the phenotype. We have designed a method whereby very large SNP lists (several gigabytes in size), combining several genotyping studies at once, can be sorted and traced back to their ultimate consequence in protein structure. Given a working hypothesis, researchers are able to easily search whole genome genotyping data for SNPs that link genetic locations …
Carcinogenic Adducts Induce Distinct Dna Polymerase Binding Orientations, Kyle B. Vrtis, Radoslaw P. Markiewicz, Louis J. Romano, David Rueda
Carcinogenic Adducts Induce Distinct Dna Polymerase Binding Orientations, Kyle B. Vrtis, Radoslaw P. Markiewicz, Louis J. Romano, David Rueda
Chemistry Faculty Research Publications
DNA polymerases must accurately replicate DNA to maintain genome integrity. Carcinogenic adducts, such as 2-aminofluorene (AF) and N-acetyl-2-aminofluorene (AAF), covalently bind DNA bases and promote mutagenesis near the adduct site. The mechanism by which carcinogenic adducts inhibit DNA synthesis and cause mutagenesis remains unclear. Here, we measure interactions between a DNA polymerase and carcinogenic DNA adducts in real-time by single-molecule fluorescence. We find the degree to which an adduct affects polymerase binding to the DNA depends on the adduct location with respect to the primer terminus, the adduct structure and the nucleotides present in the solution. Not only do the …
High Occurrence Of Functional New Chimeric Genes In Survey Of Rice Chromosome 3 Short Arm Genome Sequences, Chengjun Zhang, Jun Wang, Nicholas C. Marowsky, Manyuan Long, Rod A. Wing, Chuanzhu Fan
High Occurrence Of Functional New Chimeric Genes In Survey Of Rice Chromosome 3 Short Arm Genome Sequences, Chengjun Zhang, Jun Wang, Nicholas C. Marowsky, Manyuan Long, Rod A. Wing, Chuanzhu Fan
Biological Sciences Faculty Research Publications
In an effort to identify newly evolved genes in rice,we searched the genomes of Asian-cultivated rice Oryza sativa ssp. japonica and its wild progenitors, looking for lineage-specific genes. Using genome pairwise comparison of approximately 20-Mb DNA sequences from the chromosome 3 short arm (Chr3s) in six rice species, O. sativa, O. nivara, O. rufipogon, O. glaberrima, O. barthii, and O. punctata, combined with synonymous substitution rate tests and other evidence, we were able to identify potential recently duplicated genes, which evolved within the last 1 Myr. We identified 28 functional O. sativa genes, which …
The Drosophila Interactions Database: Integrating The Interactome And Transcriptome, Thilakam Murali
The Drosophila Interactions Database: Integrating The Interactome And Transcriptome, Thilakam Murali
Wayne State University Dissertations
In this thesis I describe the integration of heterogeneous interaction data for Drosophila into DroID, the Drosophilainteractions database, making it a one-stop public resource for interaction data. I have also made it possible to filter the interaction data using gene expression data to generate context-relevant networks making DroID a one-of-a kind resource for biologists. In the two years since the upgraded DroID has been available, several studies have used the heterogeneous interaction data in DroID to advance our understanding of Drosophila biology thus validating the need for such a resource for biologists. In addition to this, I have identified …
The Role Of Cardiolipin In Iron Homeostasis And Glutathione Metabolism, Vinay A. Patil
The Role Of Cardiolipin In Iron Homeostasis And Glutathione Metabolism, Vinay A. Patil
Wayne State University Dissertations
Cardiolipin (CL) is the signature phospholipid of mitochondrial membranes, where it is synthesized locally and plays a critical role in mitochondrial bioenergetic functions. Inside the mitochondria, CL is a critical target of mitochondrial generated reactive oxygen species (ROS) and regulates signaling events related to apoptosis and aging. CL deficiency causes perturbation of signaling pathways outside the mitochondria, including the PKC-Slt2 cell integrity pathway and the high osmolarity glycerol (HOG) pathway, and is a key player in the cross-talk between the mitochondria and the vacuole. The importance of CL in human health is underscored by the observation that perturbation of CL …
Protective Effects Of The Alcohol Dehydrogenase-Adh1b Allele, Neil Dodge
Protective Effects Of The Alcohol Dehydrogenase-Adh1b Allele, Neil Dodge
Wayne State University Theses
Alcohol dehydrogenase is a critical enzyme in the metabolism of alcohol. Expression of three alleles at the ADH1B locus results in enzymes that differ in turnover rate and affinity for alcohol. The ADH1B*3 allele, which appears to be unique to African Americans, is associated with more rapid alcohol metabolism than the more prevalent ADH1B*1 allele. It has been previously demonstrated that the presence of at least one maternal ADH1B*3 allele confers a protective effect against alcohol teratogenicity in African American infants and children. This study was conducted to determine whether the presence of the ADH1B*3 allele in the mother or …
Investigation Of Bacterial Rna-Directed Dna Methylation Via Dcm And Hfq, Dandan Li
Investigation Of Bacterial Rna-Directed Dna Methylation Via Dcm And Hfq, Dandan Li
Wayne State University Theses
Bacterial small RNAs and the RNA chaperone Hfq play crucial roles in post-transcriptional gene regulation, often as parts of stress-response pathways, but little is known about their roles in regulation of gene transcription. A recent report showed that changes in methylation patterns caused by DNA cytosine methyltransferase (Dcm) were linked to gene regulation occurring during the transition to stationary phase. Here, we show that Dcm involves in the stress responses under nutrient starvation and cold stress. Dcm and Hfq together mediate gene expression under cold stress. Hfq promotes Dcm-catalyzed cytosine methylation at specific sites near the rpoS promoter, which is …
Investigation Of X Chromosome Recognition: The Role Of Small Rna In Drosophila Dosage Compensation, Debashish Unnikrishnan Menon
Investigation Of X Chromosome Recognition: The Role Of Small Rna In Drosophila Dosage Compensation, Debashish Unnikrishnan Menon
Wayne State University Dissertations
In humans and flies, females have two X chromosomes but males have one X chromosome and one Y chromosome. This leads to a fatal imbalance in X-linked gene expression in one sex. In mammals and in the fruit fly Drosophila, modulation of X chromosome expression is critical for survival. This process is termed dosage compensation. Flies increase expression from the male X chromosome two-fold. This is achieved by the Male Specific Lethal (MSL) complex, which consists of two large, non-coding RNA on the X transcripts (roX1 and roX2) and five proteins. The roX RNAs have a critical …
Analysis Of A Genetic Isolate: The Case Of Carloforte (Italy), R. Robledo, L. Corrias, V. Bachis, N. Puddu, A. Mameli, G. Vona, C. M. Calò
Analysis Of A Genetic Isolate: The Case Of Carloforte (Italy), R. Robledo, L. Corrias, V. Bachis, N. Puddu, A. Mameli, G. Vona, C. M. Calò
Human Biology Open Access Pre-Prints
We reviewed data collected during several studies concerning the genetic isolate of Carloforte (Sardinia, Italy) and analyzed new data on Y-chromosome markers. Carloforte is also a language island, where people still speaks Tabarchino, an archaic form of Ligurian dialect. Demographic data indicate that, in the early years of its history, Carloforte population was characterized by a high degree of endogamy and consanguinity rates that started to decrease around 1850, when marriages with Sardinian people began to occur more frequently. Cultural factors, mainly language, account for the high endogamy. Genetic data from classical markers, mtDNA and Ychromosome markers confirmed the strong …
The Effect Of Acp1-Ada1 Genetic Interaction On Human Life Span, Nazzareno Lucarini, Valerio Napolioni, Andrea Magrini, Fulvia Gloria
The Effect Of Acp1-Ada1 Genetic Interaction On Human Life Span, Nazzareno Lucarini, Valerio Napolioni, Andrea Magrini, Fulvia Gloria
Human Biology Open Access Pre-Prints
Acid phosphatase (ACP1) is a polymorphic enzyme which catalyzes the conversion of flavinmononucleotide (FMN) to riboflavin and regulates the cellular concentration of flavin-adeninedinucleotide (FAD) and, consequently, energy metabolism. Its activity is modulated by adenosine deaminase (ADA1) genotype. Aim of our work is to verify whether individuals with a high proportion of ACP1 f isozyme and carrying ADA*2 allele, displaying the highest phosphatase activity, may have a higher life expectancy. Genomic DNA was extracted from peripheral blood of 569 females and 509 males (18-106 years) randomly recruited from Central Italy. These samples were subdivided into three sexspecific age groups …
Extensive Population Structure In San, Khoe And Mixed Ancestry Populations From Southern Africa Revealed By 44 Short 5-Snp Haplotypes, Carina M. Schlebusch, Himla Soodyall
Extensive Population Structure In San, Khoe And Mixed Ancestry Populations From Southern Africa Revealed By 44 Short 5-Snp Haplotypes, Carina M. Schlebusch, Himla Soodyall
Human Biology Open Access Pre-Prints
The San and Khoe people currently represent remnant groups of a much larger and widely distributed population of hunter gatherers and pastoralists who had exclusive occupation of southern Africa before the arrival of Bantu-speaking groups in the past 1,200 years and sea-borne immigrants within the last 350 years. Genetic studies (mitochondrial DNA and Y-chromosome) conducted on San and Khoe groups revealed that they harbour some the most divergent lineages found in living peoples throughout the world. Recently, high-density autosomal SNP-array studies confirmed the early divergence of Khoe-San population groups from all other human populations. The present study made use of …
Using The Neandertal And Denisova Genetic Data To Understand The Common Mapt 17q21 Inversion In Modern Humans, Núria Setó-Salvia, Federico Sánchez-Quinto, Eudald Carbonell, Carlos Lorenzo, David Comas, Jordi Clarimón
Using The Neandertal And Denisova Genetic Data To Understand The Common Mapt 17q21 Inversion In Modern Humans, Núria Setó-Salvia, Federico Sánchez-Quinto, Eudald Carbonell, Carlos Lorenzo, David Comas, Jordi Clarimón
Human Biology Open Access Pre-Prints
The polymorphic inversion on 17q21, that includes the MAPT gene, represents a unique locus in the human genome characterized by a large region with strong linkage disequilibrium. Two distinct haplotypes, H1 and H2, exist in modern humans, and H1 has been unequivocally related to several neurodegenerative disorders. Recent data indicates that recurrent inversions of this genomic region have occurred through primate evolution, with the H2 haplotype being the ancestral state. Neandertals harbored the H1 haplotype, however until now no data was available for the Denisova hominin. Neandertals and Denisovans are sister groups that share a common ancestor with modern humans. …
A Tale Of Two Haplotypes: The Eda2r/Ar Intergenic Region Is The Most Divergent Genomic Segment Between Africans And East Asians In The Human Genome, Amanda M. Casto, Brenna M. Henn, Jeffery M. Kidd, Carlos D. Bustamante, Marcus W. Feldman
A Tale Of Two Haplotypes: The Eda2r/Ar Intergenic Region Is The Most Divergent Genomic Segment Between Africans And East Asians In The Human Genome, Amanda M. Casto, Brenna M. Henn, Jeffery M. Kidd, Carlos D. Bustamante, Marcus W. Feldman
Human Biology Open Access Pre-Prints
Single nucleotide polymorphisms (SNPs) with large allele frequency differences between human populations are relatively rare. The longest run of SNPs with an allele frequency difference of one between the Yoruba of Nigeria and the Han Chinese is found on the long arm of the X chromosome in the intergenic region separating the EDA2R and AR genes. It has been proposed that the unusual allele frequency distributions of these SNPs are the result of a selective sweep affecting African populations that occurred after the Out-of-Africa migration. To investigate the evolutionary history of the EDA2R/AR intergenic region, we characterized the haplotype structure …
Paternal Lineage Analysis Supports An Armenian Rather Than A Central Asian Genetic Origin Of The Hamshenis, Ashot Margaryan, Ashot Harutyunyan, Zaruhi Khachatryan, Armine Khudoyan, Levon Yepiskoposyan
Paternal Lineage Analysis Supports An Armenian Rather Than A Central Asian Genetic Origin Of The Hamshenis, Ashot Margaryan, Ashot Harutyunyan, Zaruhi Khachatryan, Armine Khudoyan, Levon Yepiskoposyan
Human Biology Open Access Pre-Prints
The Hamshenis are an isolated geographic group of Armenians with a strong ethnic identity who, until the early decades of the twentieth century, inhabited the Pontus area on the southern coast of the Black Sea. Scholars hold alternative views on their origin, proposing eastern Armenia, western Armenia and Central Asia, respectively, as their most likely homeland. To ascertain whether genetic data from the non-recombining portion of the Y chromosome is supportive any of these suggestions, we screened 82 Armenian males of the Hamsheni descent for 12 biallelic and 6 microsatellite Y-chromosomal markers. These data were compared with the corresponding datasets …
Genetic Susceptibility To Type 2 Diabetes: A Global Meta-Analysis Studying The Genetic Differences In Tunisian Populations, Rym Berhouma, S. Kouidhi, M. Ammar, H. Abid, T. Baroudi, H. Ennafaa, A. Benammar-Elgaaied
Genetic Susceptibility To Type 2 Diabetes: A Global Meta-Analysis Studying The Genetic Differences In Tunisian Populations, Rym Berhouma, S. Kouidhi, M. Ammar, H. Abid, T. Baroudi, H. Ennafaa, A. Benammar-Elgaaied
Human Biology Open Access Pre-Prints
The present study is the first meta-analysis to evaluate type 2 diabetes (T2D) - associated polymorphisms in cohorts originated from several Tunisian regions. In fact, we evaluated the effect of seven polymorphisms in the following genes; PPARg ( Pro12Ala), TNFα (-308A/G), ENPP1(K121Q), TCF7L2(rs7903146 C/T), MTHFR( C677T), ACE(I/D), CAPN10(3R/2R) on T2D risk, through a meta-analysis combining data of previous studies performed on Tunisian populations originating from the north, centre or south of the country. R statistics version 2.12.1 software was used to estimate the heterogeneity between studies. Pooled ORs were computed by the fixed-effects method of Mantel-Haenszel if no heterogeneity between …
Resource Availability, Mortality And Fertility: A Path Analytic Approach To Global Life History Variation, Mark A. Caudell, Robert J. Quinlan
Resource Availability, Mortality And Fertility: A Path Analytic Approach To Global Life History Variation, Mark A. Caudell, Robert J. Quinlan
Human Biology Open Access Pre-Prints
Humans exhibit considerable diversity in timing and rate of reproduction. Life history theory suggests that ecological cues of resource richness and survival probabilities shape human phenotypes across populations. Populations experiencing high extrinsic mortality due to uncertainty in resources should exhibit faster life histories. Here we use a path analytic approach informed by life history theory to model the multiple pathways between resources, mortality rates, and reproductive behavior in 191 countries. Resources that account for the most variance in population mortality rates are predicted to explain the most variance in total fertility rates. Results indicate that resources (e.g., calories, sanitation, education, …
The Family Name As Socio-Cultural Feature And Genetic Metaphor: From Concepts To Methods, Pierre Darlu, Gerrit Bloothooft, Alessio Boattini, Leendert Brouwer, Matthijs Brouwer, Guy Brunet, Pascal Chareille, James Cheshire, Richard Coates, Paul Longley, Kathrin DräGer, Bertrand Desjardins, Patrick Hanks, Kees Mandemakers, Pablo Mateos, Davide Pettener, Antonella Useli, Franz Manni
The Family Name As Socio-Cultural Feature And Genetic Metaphor: From Concepts To Methods, Pierre Darlu, Gerrit Bloothooft, Alessio Boattini, Leendert Brouwer, Matthijs Brouwer, Guy Brunet, Pascal Chareille, James Cheshire, Richard Coates, Paul Longley, Kathrin DräGer, Bertrand Desjardins, Patrick Hanks, Kees Mandemakers, Pablo Mateos, Davide Pettener, Antonella Useli, Franz Manni
Human Biology Open Access Pre-Prints
A recent workshop on "Family name between socio-cultural feature and genetic metaphor - From concepts to methods" was held in Paris on the 9th and 10th December 2010, partly sponsored by the Social Science and Humanity Institute (CNRS), and by Human Biology. This workshop was intended to facilitate exchanges on recent questions related to the names of persons and to confront different multidisciplinary approaches in a field of investigation where geneticists and historians, geographers, sociologists and ethnologists have all an active part. Here are the abstracts of some contributions.
Association Among Obesity-Related Anthropometric Phenotypes: Analyzing Genetic And Environmental Contribution, Aline Jelenkovic, Esther Rebato
Association Among Obesity-Related Anthropometric Phenotypes: Analyzing Genetic And Environmental Contribution, Aline Jelenkovic, Esther Rebato
Human Biology Open Access Pre-Prints
Obesity has become a public health and policy problem in many parts of the world. Epidemiological and population studies in this field are usually based on different anthropometric measures, however, common genetic and environmental factors between these phenotypes have been scarcely studied. The objective of this work is to assess the strength of these factors on the covariation among a large set of obesity-related traits. The subject group consisted of 533 nuclear families living in the Greater Bilbao (Spain), and included 1702 individuals aged 2-61 years. Detailed anthropometric measurements (stature, breadths, circumferences and skinfolds) were carried out in each subject. …
Microgeographic Differentiation In Historical Yemen Inferred By Morphometric Distances, Maria Enrica Danubio, Emanuele Sanna, Fabrizio Rufo, Domenico Martorella, Elvira Vecchi, Alfredo Coppa
Microgeographic Differentiation In Historical Yemen Inferred By Morphometric Distances, Maria Enrica Danubio, Emanuele Sanna, Fabrizio Rufo, Domenico Martorella, Elvira Vecchi, Alfredo Coppa
Human Biology Open Access Pre-Prints
This study analysed the variations in space of 8 body dimensions and 11 measures of the head of 1,244 adult Yemenite males, collected in 1933/34 by Coon in Yemen and in Hadhramawt. The aim was to evaluate the presence of geographic microdifferentiation of the populations settled in the different regions of Yemen at the time. Coon sub-divided the sample into 6 geographical areas according to birthplace and ethnicity of the individuals: Tihamah, the Western Mountains, the Central Plateau, the South Coast, the Eastern Mountains and Hadhramawt. The results of ANCOVA (age as covariate) show that the observed differences of all …
Cranial Variation And The Transition To Agriculture In Europe, Ron Pinhasi, Noreen Von Cramon-Taubadel
Cranial Variation And The Transition To Agriculture In Europe, Ron Pinhasi, Noreen Von Cramon-Taubadel
Human Biology Open Access Pre-Prints
Debates surrounding the nature of the Neolithic demographic transition in Europe have historically centred on two opposing models; a 'demic' diffusion model whereby incoming farmers from the Near East and Anatolia effectively replaced or completely assimilated indigenous Mesolithic foraging communities and an 'indigenist' model resting on the assumption that ideas relating to agriculture and animal domestication diffused from the Near East, but with little or no gene flow. The extreme versions of these dichotomous models have been heavily contested primarily on the basis of archaeological and modern genetic data. However, in recent years there has been a growing acceptance of …
The Y-Chromosome C3* Star-Cluster Attributed To Genghis Khan's Descendants Is Present At High Frequency In The Kerey Clan From Kazakhstan, Serikbai Abilev, Boris Malyarchuk, Miroslava Derenko, Marcin Wozniak, Tomasz Grzybowski, Ilya Zakharov
The Y-Chromosome C3* Star-Cluster Attributed To Genghis Khan's Descendants Is Present At High Frequency In The Kerey Clan From Kazakhstan, Serikbai Abilev, Boris Malyarchuk, Miroslava Derenko, Marcin Wozniak, Tomasz Grzybowski, Ilya Zakharov
Human Biology Open Access Pre-Prints
In order to verify the possibility that the Y-chromosome C3* star-cluster attributed to Genghis Khan and his patrilineal descendants is relatively frequent in the Kereys, who are the dominant clan in Kazakhstan and in Central Asia as a whole, polymorphism of the Y-chromosome was studied in Kazakhs, represented mostly by members of the Kerey clan. The Kereys showed the highest frequency (76.5%) of individuals carrying the Y-chromosome variant known as C3* star-cluster ascribed to the descendants of Genghis Khan. C3* star-cluster haplotypes were found in two sub-clans, Abakh-Kereys and Ashmaily-Kereys, diverged about 20-22 generations ago according to the historical data. …
Characterization Of Intracellular Interactions Between Dengue Virus And Host Proteins, Dumrong Mairiang
Characterization Of Intracellular Interactions Between Dengue Virus And Host Proteins, Dumrong Mairiang
Wayne State University Dissertations
Dengue virus is the causative agent of dengue fever, dengue hemorrhagic fever and dengue shock syndrome. About two-fifths of world population live in areas where dengue is prevalent, leading to high levels of morbidity and mortality in many areas. Currently there are no vaccines or effective treatments. The virus is transmitted from one person to another by the yellow fever mosquito, Aedes aegypti. The genome of dengue virus encodes only ten proteins implying that the virus needs to interact with and utilize several host proteins for replication. In this project, I used high-throughput yeast two-hybrid screening to identify mosquito and …