abstract：:The present study evaluated the level of support and satisfaction among parents of stillborn babies in Australian hospitals. One-hundred and eighty-nine mothers and fathers completed an online survey designed by the researcher based on the guidelines designed by the Perinatal Society of Australia and New Zealand. Supp...

journal_title：PeerJ

authors： Basile ML,Thorsteinsson EB

更新日期：2015-06-25 00:00:00

abstract：:In species that live in one-male groups, resident males monopolize access to a group of females and are assumed to have higher reproductive success than bachelors. We tested this assumption using genetic, demographic, and behavioral data from 8 groups of wild blue monkeys observed over 10 years to quantify reproductio...

journal_title：PeerJ

authors： Roberts SJ,Cords M

更新日期：2015-06-23 00:00:00

abstract：:As more and more prokaryotic sequencing takes place, a method to quickly and accurately analyze this data is needed. Previous tools are mainly designed for metagenomic analysis and have limitations; such as long runtimes and significant false positive error rates. The online tool GenomePeek (edwards.sdsu.edu/GenomePee...

journal_title：PeerJ

authors： McNair K,Edwards RA

更新日期：2015-06-16 00:00:00

abstract：:Unworn teeth of herbivorous mammals are not immediately functional. They have to be partially worn to expose enamel ridges which can then act as shear-cutting blades to break the food down. We use the Plains Zebra (Equus quagga) as a hypsodont, herbivorous model organism to investigate how initial wear of the tooth cr...

journal_title：PeerJ

authors： Winkler DE,Kaiser TM

更新日期：2015-06-11 00:00:00

abstract：:While there have been increasing numbers of reports of human-wolf conflict in China during recent years, little is known about the nature of this conflict. In this study, we used questionnaires and semi-structured interviews to investigate local villagers' perceptions of wolves in Jiuzhaigou County, western China. We ...

journal_title：PeerJ

authors： Xu Y,Yang B,Dou L

更新日期：2015-06-09 00:00:00

abstract：:The reliability of finite element analysis (FEA) in biomechanical investigations depends upon understanding the influence of model assumptions. In producing finite element models, surface mesh resolution is influenced by the resolution of input geometry, and influences the resolution of the ensuing solid mesh used for...

journal_title：PeerJ

authors： McCurry MR,Evans AR,McHenry CR

更新日期：2015-06-02 00:00:00

abstract：:The coevolutionary relationships between brood parasites and their hosts are often studied by examining the egg rejection behaviour of host species using artificial eggs. However, the traditional methods for producing artificial eggs out of plasticine, plastic, wood, or plaster-of-Paris are laborious, imprecise, and p...

journal_title：PeerJ

authors： Igic B,Nunez V,Voss HU,Croston R,Aidala Z,López AV,Van Tatenhove A,Holford ME,Shawkey MD,Hauber ME

更新日期：2015-05-26 00:00:00

abstract：:Background. Despite massive immigration towards Southern Europe in the last two decades, data on mortality by cause among immigrants in Italy are scarce. The aim of this study was to investigate mortality from all and from specific causes of death among immigrants residing in the Veneto Region (Northeastern Italy). Me...

journal_title：PeerJ

authors： Fedeli U,Ferroni E,Pigato M,Avossa F,Saugo M

更新日期：2015-05-21 00:00:00

abstract：:Previous research has shown that odorants consistently evoke associations with textures and their tactile properties like smoothness and roughness. Also, it has been observed that olfaction can modulate tactile perception. We therefore hypothesized that tactile roughness perception may be biased towards the somatosens...

journal_title：PeerJ

authors： Koijck LA,Toet A,Van Erp JB

更新日期：2015-05-12 00:00:00

abstract：:Aedes aegypti is the major vector of dengue, yellow fever and chikungunya viruses that put millions of people in endemic countries at risk. Mass rearing of this mosquito is crucial for strategies that use modified insects to reduce vector populations and transmission of pathogens, such as sterile insect technique or p...

journal_title：PeerJ

authors： Gonzales KK,Tsujimoto H,Hansen IA

更新日期：2015-05-05 00:00:00

abstract：:The origin of recent parallel outbreaks of the high pathogenicity H5N8 avian flu virus in Europe and in Japan can be traced to a single source population, which has most likely been spread by migratory birds. By using Bayesian coalescent methods to analyze the DNA sequences of the virus to find the times for divergenc...

journal_title：PeerJ

authors： Dalby AR,Iqbal M

更新日期：2015-04-30 00:00:00

abstract：:Background. Recurrent pain is a common experience in childhood, but only few children with recurrent pain attend a physician. Previous studies yielded conflicting findings with regard to predictors of health care utilization in children with recurrent pain. Methods. The present study analyzes data from the German Heal...

journal_title：PeerJ

authors： Hirschfeld G,Wager J,Zernikow B

更新日期：2015-04-28 00:00:00

abstract：:Objectives. We wished to determine test re-test reliability and construct validity of the star-track test of manual dexterity. Design. Test re-test reliability was examined in a controlled study. Construct validity was tested in a blinded randomized crossover study. Setting. The study was performed at a university hos...

journal_title：PeerJ

authors： Kildebro N,Amirian I,Gögenur I,Rosenberg J

更新日期：2015-04-23 00:00:00

abstract：:Sex differences in some preferences and motivations are well established, but it is unclear whether they persist in selective sub-populations, such as expert financial decision makers, top scientists, or elite athletes. We addressed this issue by studying competitiveness in 1,147 varsity intercollegiate distance runne...

journal_title：PeerJ

authors： Deaner RO,Lowen A,Rogers W,Saksa E

更新日期：2015-04-21 00:00:00

abstract：:Partible paternity refers to the conception belief that children can have multiple fathers ("co-fathers") and is common to indigenous cultures of lowland South America. The nature of social relationships observed between co-fathers reveals information about the reproductive strategies underlying partible paternity. He...

journal_title：PeerJ

authors： Walker RS,Yvinec C,Ellsworth RM,Bailey DH

更新日期：2015-04-14 00:00:00

abstract：:The exploration of the evolution of RNA viruses has been aided recently by the discovery of copies of fragments or complete genomes of non-retroviral RNA viruses (Non-retroviral Endogenous RNA Viral Elements, or NERVEs) in many eukaryotic nuclear genomes. Among the most prominent NERVEs are partial copies of the RNA d...

journal_title：PeerJ

authors： Bruenn JA,Warner BE,Yerramsetty P

更新日期：2015-04-09 00:00:00

abstract：:Background/Aim. Exercise designed to condition the lumbar extensor musculature is often included in resistance training (RT) programs. It is suggested that deconditioning of this musculature may be linked to low back pain. Thus effective means of conditioning these muscles are of interest to pursue. Evidence suggests ...

journal_title：PeerJ

authors： Steele J,Fitzpatrick A,Bruce-Low S,Fisher J

更新日期：2015-03-31 00:00:00

abstract：:Dilated cardiomyopathy is a prevalent and often fatal disease in humans and dogs. Indeed dilated cardiomyopathy is the third most common form of cardiac disease in humans, reported to affect approximately 36 individuals per 100,000 individuals. In dogs, dilated cardiomyopathy is the second most common cardiac disease ...

journal_title：PeerJ

authors： Simpson S,Edwards J,Emes RD,Cobb MA,Mongan NP,Rutland CS

更新日期：2015-03-26 00:00:00

abstract：:In biological research the analysis of gene expression levels in cells and tissues can be a powerful tool to gain insights into biological processes. For this, quantitative RT-PCR (RT-qPCR) is a popular method that often involve the use of constitutively expressed endogenous reference (or 'housekeeping') gene for norm...

journal_title：PeerJ

authors： Svingen T,Letting H,Hadrup N,Hass U,Vinggaard AM

更新日期：2015-03-24 00:00:00

abstract：:Prion diseases are a group of fatal neurodegenerative disorders that affect humans and animals. They are characterized by the accumulation in the central nervous system of a pathological form of the host-encoded prion protein (PrP(C)). The prion protein is a membrane glycoprotein that consists of two domains: a globul...

journal_title：PeerJ

authors： Didonna A,Venturini AC,Hartman K,Vranac T,Čurin Šerbec V,Legname G

更新日期：2015-03-19 00:00:00

abstract：:We documented significantly increasing trends in atmospheric loading of ammonium (NH4) and nitrate/nitrite (NO2/3) and decreasing trends in total phosphorus (P) and sulfate (SO4) to Flathead Lake, Montana, from 1985 to 2004. Atmospheric loading of NO2/3 and NH4 increased by 48 and 198% and total P and SO4 decreased by...

journal_title：PeerJ

authors： Ellis BK,Craft JA,Stanford JA

更新日期：2015-03-19 00:00:00

abstract：:Quantitative morphometric analyses, particularly ontogenetic allometry, are common methods used in quantifying shape, and changes therein, in both extinct and extant organisms. Due to incompleteness and the potential for restricted sample sizes in the fossil record, palaeobiological analyses of allometry may encounter...

journal_title：PeerJ

authors： Brown CM,Vavrek MJ

更新日期：2015-03-10 00:00:00

abstract：:Background. Low molecular weight heparin (LMWH) is an effective anti-coagulant for thrombotic events. However, due to its predominant renal clearance, there are concerns that it might be associated with increased bleeding in patients with renal disease. Objectives. We systematically evaluated the efficacy and safety o...

journal_title：PeerJ

authors： Palamaner Subash Shantha G,Kumar AA,Sethi M,Khanna RC,Pancholy SB

更新日期：2015-03-10 00:00:00

abstract：:Background. Most genetic disorders are caused by single nucleotide variations (SNVs) or small insertion/deletions (indels). High throughput sequencing has broadened the catalogue of human variation, including common polymorphisms, rare variations or disease causing mutations. However, identifying one variation among h...

journal_title：PeerJ

authors： Geoffroy V,Pizot C,Redin C,Piton A,Vasli N,Stoetzel C,Blavier A,Laporte J,Muller J

更新日期：2015-03-03 00:00:00

abstract：:The taxon Beloniformes represents a heterogeneous group of teleost fishes that show an extraordinary diversity of jaw morphology. I present new anatomical descriptions of the jaw musculature in six selected beloniforms and four closely related species. A reduction of the external jaw adductor (A1) and a changed morpho...

journal_title：PeerJ

authors： Werneburg I

更新日期：2015-02-24 00:00:00

abstract：:We have previously observed that methane supplied to lake sediment microbial communities as a substrate not only causes a response by bona fide methanotrophic bacteria, but also by non-methane-oxidizing bacteria, especially by members of the family Methylophilaceae. This result suggested that methane oxidation in this...

journal_title：PeerJ

authors： Hernandez ME,Beck DA,Lidstrom ME,Chistoserdova L

更新日期：2015-02-24 00:00:00

abstract：:The post-genomic era is characterized by the direct acquisition and analysis of genomic data with many applications, including the enhancement of the understanding of microbial epidemiology and pathology. However, there are a number of molecular approaches to survey pathogen diversity, and the impact of these differen...

journal_title：PeerJ

authors： Castro-Nallar E,Hasan NA,Cebula TA,Colwell RR,Robison RA,Johnson WE,Crandall KA

更新日期：2015-02-17 00:00:00

abstract：:Bacterial vaginosis (BV) is one of most common vaginal infections. However, its diagnosis by classical methods reveals low specificity. Our goal was to evaluate the accuracy diagnosis of 150 vaginal samples with research gold standard methods and our Peptide Nucleic Acid (PNA) probes by Fluorescence in situ Hybridizat...

journal_title：PeerJ

authors： Machado A,Castro J,Cereija T,Almeida C,Cerca N

更新日期：2015-02-17 00:00:00

abstract：:The mature spermatozoa of Stephanostomum murielae and Stephanostomoides tenuis are described by transmission electron microscopy. They present several ultrastructural features previously reported in other digeneans. Their spermatozoa possess two axonemes of different length showing the 9 + '1' trepaxonematan pattern, ...

journal_title：PeerJ

authors： Bakhoum AJ,Quilichini Y,Justine JL,Bray RA,Bâ CT,Marchand B

更新日期：2015-02-12 00:00:00

abstract：:Nephila clavata L Koch, known as the Joro spider and native to East Asia (Japan, China, Korea, and Taiwan), is newly reported from North America. Specimens from several locations in northeast Georgia were collected from around residential properties in Barrow, Jackson, and Madison counties in late October and early No...

journal_title：PeerJ

authors： Hoebeke ER,Huffmaster W,Freeman BJ

更新日期：2015-02-05 00:00:00

abstract：:What are the greatest sizes that the largest marine megafauna obtain? This is a simple question with a difficult and complex answer. Many of the largest-sized species occur in the world's oceans. For many of these, rarity, remoteness, and quite simply the logistics of measuring these giants has made obtaining accurate...

journal_title：PeerJ

authors： McClain CR,Balk MA,Benfield MC,Branch TA,Chen C,Cosgrove J,Dove AD,Gaskins LC,Helm RR,Hochberg FG,Lee FB,Marshall A,McMurray SE,Schanche C,Stone SN,Thaler AD

更新日期：2015-01-13 00:00:00

abstract：:Tandem-repeat protein domains, composed of repeated units of conserved stretches of 20-40 amino acids, are required for a wide array of biological functions. Despite their diverse and fundamental functions, there has been no comprehensive assessment of their taxonomic distribution, incidence, and associations with org...

journal_title：PeerJ

authors： Jernigan KK,Bordenstein SR

更新日期：2015-01-13 00:00:00

abstract：:Background. India accounts for 24% to all under-five mortality in the world. Residence in rural area, poverty and low levels of mother's education are known confounders of under-five mortality. Since two-thirds of India's population lives in rural areas, mothers employed in agriculture present a particularly vulnerabl...

journal_title：PeerJ

authors： Singh R,Tripathi V

更新日期：2015-01-08 00:00:00

abstract：:Physical exercise is linked to individuals whose affect profiles are invariably positive and it induces anti-apoptotic and anti-excitotoxic effects, buttressing blood-brain barrier intactness in both healthy individuals and those suffering from disorders accompanying overweight and obesity. In this regard, exercise of...

journal_title：PeerJ

authors： Garcia D,Archer T

更新日期：2014-12-16 00:00:00

abstract：:Reservoirs possess gradients in conditions and resources along their long (deep-shallow) axis, but the response of littoral vertebrates (fish and turtles) to these gradients is poorly understood. We have quantified the littoral vertebrate communities throughout a small reservoir in Southeastern Ohio during July and Au...

journal_title：PeerJ

authors： Ruhl N,Soski JJ,Roosenburg WM

更新日期：2014-12-11 00:00:00

abstract：:In the field of invasion ecology, the determination of a species' environmental tolerance, is a key parameter in the prediction of its potential distribution, particularly in the context of global warming. In poikilothermic species such as insects, temperature is often considered the most important abiotic factor that...

journal_title：PeerJ

authors： Lefort MC,Brown S,Boyer S,Worner S,Armstrong K

更新日期：2014-11-25 00:00:00

abstract：:Frogs are characterized by a morphology that has been suggested to be related to their unique jumping specialization. Yet, the functional demands associated with jumping and swimming may not be that different as suggested by studies with semi-aquatic frogs. Here, we explore whether features previously identified as in...

journal_title：PeerJ

authors： Herrel A,Vasilopoulou-Kampitsi M,Bonneaud C

更新日期：2014-11-04 00:00:00

abstract：:Background. Low use of maternal healthcare services is one of the reasons why maternal mortality is still considerably high among adolescents mothers in India. To increase the utilization of these services, it is necessary to identify factors that affect service utilization. To our knowledge, no national level study i...

journal_title：PeerJ

authors： Singh A,Kumar A,Pranjali P

更新日期：2014-11-04 00:00:00

abstract：:Cellulosic waste represents a significant and underutilized carbon source for the biofuel industry. Owing to the recalcitrance of crystalline cellulose to enzymatic degradation, it is necessary to design economical methods of liberating the fermentable sugars required for bioethanol production. One route towards unloc...

journal_title：PeerJ

authors： Hamberg Y,Ruimy-Israeli V,Dassa B,Barak Y,Lamed R,Cameron K,Fontes CM,Bayer EA,Fried DB

更新日期：2014-10-30 00:00:00

abstract：:In summer 2012, we initiated a large-scale field experiment in southern Ontario, Canada, to determine whether exposure to clothianidin seed-treated canola (oil seed rape) has any adverse impacts on honey bees. Colonies were placed in clothianidin seed-treated or control canola fields during bloom, and thereafter were ...

journal_title：PeerJ

authors： Cutler GC,Scott-Dupree CD,Sultan M,McFarlane AD,Brewer L

更新日期：2014-10-30 00:00:00