A5028699632- Pleistocene-Era Hominins and Archaeology
- Forensic Anthropology and Bioarchaeology Studies
- Primate Behavior and Ecology
- Sperm and Testicular Function
- Reproductive Biology and Fertility
- Wildlife Ecology and Conservation
- Archaeology and ancient environmental studies
- Archaeological and Historical Studies
- Archaeological and Geological Studies
- Paleopathology and ancient diseases
- Higher Education Teaching and Evaluation
- Evolution and Paleontology Studies
- Dental Erosion and Treatment
- dental development and anomalies
- E-Learning and Knowledge Management
- Educational Environments and Student Outcomes
- Problem and Project Based Learning
- Reproductive biology and impacts on aquatic species
- Orthodontics and Dentofacial Orthopedics
- Ovarian function and disorders
- Marine animal studies overview
- Morphological variations and asymmetry
- Dental Trauma and Treatments
- Aging, Health, and Disability
- Medieval Architecture and Archaeology
University of Alicante
2015-2024
The University of Texas at El Paso
2021-2022
Higher University of San Andrés
2019
Rafael Urdaneta University
2019
Université du Québec à Montréal
2017
Universitat de Barcelona
2016
University of Valparaíso
2014
Government of Catalonia
2012
Hospital Clínico San Carlos
2010-2011
Vall d'Hebron Hospital Universitari
2010
Ancient DNA traces the history of hepatitis B Hepatitis virus (HBV) infections represent a worldwide human health concern. To study this pathogen, Kocher et al . identified 137 remains with detectable levels dating between 400 and 10,000 years ago. Sequencing analyses these ancient viruses suggested common ancestor 12,000 20,000 There is no evidence indicating that HBV was present in earliest humans as they spread out Africa; however, likely populations before farming. Furthermore, Americas...
The emerging Bronze Age (BA) of southeastern Iberia saw marked social changes. Late Copper (CA) settlements were abandoned in favor hilltop sites, and collective graves largely replaced by single or double burials with often distinctive grave goods indirectly reflecting a hierarchical organization, as exemplified the BA El Argar group. We explored this transition from genomic viewpoint tripling amount data available for period. Concomitant rise starting ~2200 cal BCE, we observe complete...
Malaria-causing protozoa of the genus Plasmodium have exerted one strongest selective pressures on human genome, and resistance alleles provide biomolecular footprints that outline historical reach these species
Dental microwear, usually analyzed using scanning electron microscopy (SEM) techniques, is a good indicator of the abrasive potential past human population diets. Scanning secondary electrons provide excellent images dental enamel relief for characterizing striation density, average length, and orientation. However, methodological standardization required interobserver comparisons since semiautomatic counting procedures are still used micrograph characterization. The analysis normally...
Buccal-dental microwear depends on the abrasive content of chewed foodstuffs and can reveal long-term dietary trends in human populations. However, vivo experimental analyses buccal formation processes are scarce. Here, we report effects an diet rates two adult volunteers at intervals 8 days over a period 1 month document turnover 5 consecutive years same subjects under ad libitum Mediterranean diet. Buccal was analyzed mandibular first molars using high-resolution replicas scanning electron...
Tooth wear in primates is caused by aging and ecological factors. However, comparative data that would allow us to delineate the contribution of each these factors are lacking. Here, we contrast age-dependent molar tooth scoring percent dentine exposure (PDE) two wild African primate populations from Gabonese forest Kenyan savanna habitats. We found forest-dwelling mandrills exhibited significantly higher PDE with age than yellow baboons. Mandrills mainly feed on large tough food items, such...
Is permeable cryoprotectant-free vitrification of native sperm samples a good alternative to conventional slow freezing? The protocol tested in this study renders considerably better recovery rates quality compared freezing. Slow freezing is currently the most commonly used technique for cryopreservation, though method has been repeatedly shown have negative effects on both structural and functional features. New methods such as established successful other reproductive cell types, but...
Dental casting is a very common procedure for making high-quality replicas of paleo-anthropological remains. Replicas are frequently used, instead original remains, to study both fossil and extant Primate teeth in morphological metrical analyses. Several commercial products can be used molds. This analyzed SEM image resolution enamel surface feature definition tooth molds at various magnification levels obtained, with Coltène 3M low-viscosity body polyvinylsiloxane impression, materials...
Pygmy hunter-gatherers from Central Africa have shared a network of socioeconomic interactions with non-Pygmy Bantu speakers since agropastoral lifestyle spread across sub-Saharan Africa. Ethnographic studies reported that their diets differ in consumption both animal proteins and starch grains. Hunted meat gathered plant foods, especially underground storage organs (USOs), are dietary staples for pygmies. However, scarce information exists about forager-farmer interaction the agricultural...
Dental microwear is a promising tool to reconstruct animals' diet because it reflects the interplay between enamel surface and food items recently consumed. This study examines sources of inter-individual variations in dietary habits free-ranging population mandrills (Mandrillus sphinx) using combination feeding monitoring vivo dental textural analysis (DMTA).We investigated impact seasonality individual traits on four DMTA parameters. In parallel, we further studied influence physical...
Excavations at Plaza del Castillo in Pamplona (northern Spain) revealed a large Islamic necropolis dating to the eighth century A.D., including skeleton of an adult female showing intentional dental modification (PLA-159). While practice decoration was virtually absent Medieval Spain, it is common Africa and suggests that this individual born brought Spain later life. The historically documented occupation by Muslim groups from northern between ca. 715 799 A.D. also supports African origin....
A cascade of dramatic physiological events is linked to the sperm acrosome reaction and binding oocyte's zona pellucida during human capacitation. However, structural functional changes capacitation currently remain poorly defined. Here, we performed a multibiomarker approach based on utilization concentration, motility, viability, morphology, reaction, tyrosine phosphorylation, DNA fragmentation, lectin-binding sites analyze impact caused by swim-up selection times (uncapacitated, 1 h...
ABSTRACT Objectives Ecological factors have a dramatic effect on tooth wear in primates, although it remains unclear how individual age contributes to functional crown morphology. The aim of this study is determine and diet are related wild mountain gorillas ( Gorilla beringei ) from Volcanoes National Park, Rwanda. Material Methods We calculated the percent dentine exposure (PDE) for all permanent molars (M1–M3) known‐age N = 23), test whether PDE varied with using regression analysis. For...
Sperm function and quality are primary determinants of male reproductive performance hence fitness. The presence rival males has been shown to affect ejaculate sperm traits in a wide range taxa. However, physiological conditions may not only phenotypic but also their genetic epigenetic signatures, affecting the fitness resulting offspring. We investigated effects male-male competition on using TUNEL assays geometric morphometrics zebrafish, Danio rerio. found that produced by exposed high...
Capacitation drives sperm biophysical and biochemical changes for sperm-oocyte interactions. It is a well-known fact that the molecular complex arylsulfatase A (ARSA), hyaluronidase adhesion molecule 1 (SPAM1), heat shock protein 2 (HSPA2) plays significant role in sperm-zona pellucida (ZP) binding. However, time-dependent capacitation effects on surface ARSA presence specific topographic distributions remain to be elucidated. Here, we quantified density membrane domain locations before (US)...
This study provides data on the genetic structuring of pipefish Syngnathus abaster in western Mediterranean and Adriatic Seas. A total 109 specimens were collected brackish‐water biotopes. The control region three other regions mitochondrial genome analysed. most relevant result was high found by Bayesian inference ( BI ), maximum likelihood ML ) network analyses, which consistent showing well‐separated clusters S. populations. Furthermore, did not support monophyly taxon . These results...
Hominin dietary specialization is crucial to understanding the evolutionary changes of craniofacial biomechanics and interaction food processing methods' effects on teeth. However, diet-related dental wear processes earliest European hominins remain unknown because most academic attention has focused Neandertals. Non-occlusal microwear provides direct evidence effect chewed particles tooth enamel surfaces reflects signals over time. Here, we report for first time abrasiveness as evidenced by...
Size and shape variation of molar crowns in primates plays an important role understanding how species adapted to their environment. Gorillas are commonly considered be folivorous because they possess sharp cusped molars which process fibrous leafy foods. However, the proportion fruit diet can vary significantly depending on habitats. While tooth morphology tell us what a is capable processing, wear help understand teeth have been used during mastication. The objective this study explore if...