Small sample sizes in the study of ontogenetic allometry; implications for palaeobiology.

abstract：Background:Dengue is a major and rapidly increasing public health problem. In Argentina, the southern extreme of its distribution in the Americas, epidemic transmission takes place during the warm season. Since its re-emergence in 1998 two major outbreaks have occurred, the biggest during 2016. To identify the environm...

journal_title：PeerJ

authors： Carbajo AE,Cardo MV,Guimarey PC,Lizuain AA,Buyayisqui MP,Varela T,Utgés ME,Giovacchini CM,Santini MS

更新日期：2018-07-17 00:00:00

abstract：Background:Little is known regarding the toxic and therapeutic doses of amygdalin. Treatment regimens and schedules can vary between humans and animal models, and there have been reports of cyanide toxicity due to amygdalin use. Objective:The aim of this study was to evaluate the effect of different doses of amygdalin...

journal_title：PeerJ

authors： Albogami S,Hassan A,Ahmed N,Alnefaie A,Alattas A,Alquthami L,Alharbi A

更新日期：2020-05-21 00:00:00

abstract：:Temperature-dependent sex determination, or TSD, is a widespread phenomenon in reptiles. The shape of the relationship between constant incubation temperature and sex ratio defines the TSD pattern. The TSD pattern is considered a life-history parameter important for conservation because the wider the range of temperat...

journal_title：PeerJ

authors： Abreu-Grobois FA,Morales-Mérida BA,Hart CE,Guillon JM,Godfrey MH,Navarro E,Girondot M

更新日期：2020-03-04 00:00:00

abstract：:Molt summary tables reveal the sequence and mode of flight-feather replacement and how these feathers are divided into independent replacement series. Tables for summarizing molt are relatively new, and the rules for generating them were first formally illustrated using data from a temperate passerine. However, this f...

journal_title：PeerJ

authors： Rohwer S,Rohwer VG

更新日期：2018-09-07 00:00:00

abstract：Background:Grazing activity on periphytic mats determines mat structure and spatial heterogeneity. Spatial complexity in stream periphyton is highly divergent and may depend on the functional traits of the different primary consumers species (i.e., grazers) such as mouthpart morphology, feeding behavior, and feeding ac...

journal_title：PeerJ

authors： Katano I,Doi H

更新日期：2019-06-05 00:00:00

abstract：Background:Plums are a kind of stone fruit, a category that includes peaches, cherries, apricots, and almonds. In Korea, Japanese plum trees are usually cultivated as they best suit the climate. To date, there have been few studies in Korea on viruses infecting plum trees compared to those infecting peach trees. Metho...

journal_title：PeerJ

authors： Jo Y,Choi H,Lian S,Cho JK,Chu H,Cho WK

更新日期：2020-07-29 00:00:00

abstract：:Afrotheria is a strongly supported clade within placental mammals, but morphological synapomorphies for the entire group have only recently come to light. Soft tissue characters represent an underutilized source of data for phylogenetic analysis, but nonetheless provide features shared by some or all members of Afroth...

journal_title：PeerJ

authors： Brocklehurst RJ,Crumpton N,Button E,Asher RJ

更新日期：2016-04-12 00:00:00

abstract：:Aerosol optical depth (AOD) is a key parameter that reflects aerosol characteristics. However, research on the AOD of dust aerosols and various environmental variables is scarce. Therefore, we conducted in-depth studies on the distributions and variations of AOD in the Taklimakan Desert and its margins, China. We exam...

journal_title：PeerJ

authors： Li J,Ge X,He Q,Abbas A

更新日期：2021-01-05 00:00:00

abstract：:Secondary cavity nesting (SCN) birds breed in holes that they do not excavate themselves. This is possible where there are large trees whose size and age permit the digging of holes by primary excavators and only rarely happens in forest plantations, where we expected a deficit of both breeding holes and SCN species. ...

journal_title：PeerJ

authors： Cuatianquiz Lima C,Macías Garcia C

更新日期：2016-03-15 00:00:00

abstract：Purpose:A literature review is presented that aims to summarize and compare current methods to evaluate sleep. Methods:Current sleep assessment methods have been classified according to different criteria; e.g., objective (polysomnography, actigraphy…) vs. subjective (sleep questionnaires, diaries…), contact vs. conta...

journal_title：PeerJ

authors： Ibáñez V,Silva J,Cauli O

更新日期：2018-05-25 00:00:00

abstract：BACKGROUND:The scholarly publication landscape is changing rapidly. We investigated whether the introduction of an institutional publications officer might help facilitate better knowledge of publication topics and related resources, and effectively support researchers to publish. METHODS:In September 2015, a purpose-...

journal_title：PeerJ

authors： Cobey KD,Galipeau J,Shamseer L,Moher D

更新日期：2017-05-31 00:00:00

abstract：BACKGROUND:The present study investigated differences in reading and spelling outcomes in Dutch and English as a second language (ESL) in adolescents with a high familial risk of dyslexia, of whom some have developed dyslexia (HRDys) while others have not (HRnonDys), in comparison to a low familial risk control group w...

journal_title：PeerJ

authors： van Setten ERH,Tops W,Hakvoort BE,van der Leij A,Maurits NM,Maassen BAM

更新日期：2017-10-16 00:00:00

abstract：:It is deemed important to understand cetacean occurrence and distribution to comprehend their ecological roles. The geographical occurrence of species' niche can be used to better describe their potential distribution. The niche can be defined using environmental variables. Those variables are considered static and no...

journal_title：PeerJ

authors： Figueiredo GCE,do Amaral KB,Santos MCO

更新日期：2020-10-05 00:00:00

abstract：:This article is a presentation of taxonomic diversity of the orchid genus Cyrtochilum in Northwestern South America. The morphological characteristics of over 90 species occurring in northern Peru, Ecuador, Colombia and Venezuela are presented together with illustrations of their floral segments. Information about the...

journal_title：PeerJ

authors： Szlachetko DL,Kolanowska M

更新日期：2020-02-14 00:00:00

abstract：:Phlorotannins are primary and/or secondary metabolites found exclusively in brown seaweeds, but their geographic distribution and abundance dynamic are not very well understood. In this study we evaluated the phlorotannin concentrations among and within-species of brown seaweeds in a broad latitudinal context (range o...

journal_title：PeerJ

authors： Ank G,da Gama BAP,Pereira RC

更新日期：2019-08-14 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：BACKGROUND:As one of the highest forest ecosystems in the world, Polylepis forests are recognized both as center of endemism and diversity along the Andes and as an ecosystem under serious threat from habitat loss, fragmentation, and climate change due to human activities. Effective conservation efforts are limited, in...

journal_title：PeerJ

authors： Sevillano-Ríos CS,Rodewald AD

更新日期：2017-04-27 00:00:00

abstract：:Maximakinin (MK), an amphibian peptide possessing the C-terminal sequence of bradykinin (BK), is a BK B2 receptor (B2R) agonist eliciting prolonged signaling. We reinvestigated this 19-mer for species-specific pharmacologic profile, in vivo confirmation of resistance to inactivation by angiotensin converting enzyme (A...

journal_title：PeerJ

authors： Charest-Morin X,Bachelard H,Jean M,Marceau F

更新日期：2017-01-18 00:00:00

abstract：Background:Converging evidence comparing barefoot (BF) and shod (SH) running highlights differences in foot-strike patterns and somatosensory feedback, among others. Anecdotal evidence from SH runners attempting BF running suggests a greater attentional demand may be experienced during BF running. However, little work ...

journal_title：PeerJ

authors： Snow NJ,Blair JFL,MacDonald GZ,Byrne JM,Basset FA

更新日期：2018-04-09 00:00:00

abstract：:We describe a new iguanodontian ornithopod, Choyrodon barsboldi gen. et sp. nov. from the Albian-aged Khuren Dukh Formation of Mongolia based on several partial skeletons interpreted to represent a subadult growth stage based on osteohistological features. This new taxon is diagnosed by many autapomorphies of the maxi...

journal_title：PeerJ

authors： Gates TA,Tsogtbaatar K,Zanno LE,Chinzorig T,Watabe M

更新日期：2018-08-03 00:00:00

abstract：:Ischemia postconditioning (IPo) is a promising strategy in reducing myocardial ischemia reperfusion (I/R) injury (MIRI), but its specific molecular mechanism is incompletely understood. Langendorff-perfused isolated rat hearts were subjected to global I/R and received IPo in the absence or presence of the mitochondria...

journal_title：PeerJ

authors： Cao S,Liu Y,Wang H,Mao X,Chen J,Liu J,Xia Z,Zhang L,Liu X,Yu T

更新日期：2016-02-16 00:00:00

abstract：:The goal of this study was to assess the diagnostic accuracy of acute phase proteins and proinflammatory cytokines in sheep with pneumonic pasteurellosis. Blood samples were collected from 56 sheep (36 naturally infected with Pasteurella multocida and 20 healthy controls) belonging to one farm in Eastern region, Saudi...

journal_title：PeerJ

authors： El-Deeb WM,Elmoslemany AM

更新日期：2016-07-19 00:00:00

abstract：:As other spiny lobsters, Panulirus argus is supposed to use preferentially proteins and lipids in energy metabolism, while carbohydrates are well digested but poorly utilized. The aim of this study was to evaluate the effect of dietary carbohydrate level on digestion and metabolism in the spiny lobster P. argus. We us...

journal_title：PeerJ

authors： Rodríguez-Viera L,Perera E,Montero-Alejo V,Perdomo-Morales R,García-Galano T,Martínez-Rodríguez G,Mancera JM

更新日期：2017-11-03 00:00:00

abstract：Aim:Historically, the distribution of Sandhill Cranes included much of North America and extending in summer into northeast Russia. In recent years, observations of sandhill cranes in Asia during the non-breeding period have been frequently reported. However, the distribution and abundance of sandhill cranes during the...

journal_title：PeerJ

authors： Gao L,Mi C,Guo Y

更新日期：2019-08-30 00:00:00

abstract：Background:The exoskeleton of an insect could be an important factor in the success of its evolutionary process. This reaches its maximum expression in beetles, which constitute the most diversified animal taxon. The involvement in the management of environmental radiation could be one of the most important functions o...

journal_title：PeerJ

authors： Cuesta E,Lobo JM

更新日期：2019-11-25 00:00:00

abstract：:The objective of this study was to quantify consumption of clothianidin-treated corn seed by birds following standard planting practices. Based on post-planting seed counts on 21 fields in southwestern Ontario, Canada, between 29 and 813 seeds/ha (mean of 224 ± 167 (SD)) were estimated to remain on the soil surface im...

journal_title：PeerJ

authors： McGee S,Whitfield-Aslund M,Duca D,Kopysh N,Dan T,Knopper L,Brewer L

更新日期：2018-11-07 00:00:00

abstract：Background:G. boninense is a hemibiotrophic fungus that infects oil palms (Elaeis guineensis Jacq.) causing basal stem rot (BSR) disease and consequent massive economic losses to the oil palm industry. The pathogenicity of this white-rot fungus has been associated with cell wall degrading enzymes (CWDEs) released durin...

journal_title：PeerJ

authors： Ramzi AB,Che Me ML,Ruslan US,Baharum SN,Nor Muhammad NA

更新日期：2019-12-18 00:00:00

abstract：:In Western countries dogs and cats are the most popular pets, and people are increasingly opposed to their rearing for the fur industry. In 2007, a Regulation of the European Union (EU) banned the use and trade of dog and cat furs, but an official analytical protocol to identify them as source species was not provided...

journal_title：PeerJ

authors： Garofalo L,Mariacher A,Fanelli R,Fico R,Lorenzini R

更新日期：2018-06-05 00:00:00

abstract：:The emergence of herbicide-resistant weeds is a major threat facing modern agriculture. Over 470 weedy-plant populations have developed resistance to herbicides. Traditional evolutionary mechanisms are not always sufficient to explain the rapidity with which certain weed populations adapt in response to herbicide expo...

journal_title：PeerJ

authors： Kim G,Clarke CR,Larose H,Tran HT,Haak DC,Zhang L,Askew S,Barney J,Westwood JH

更新日期：2017-07-20 00:00:00

abstract：BACKGROUND:Freezing is commonly used for food preservation. It is usually done under constant atmospheric pressure (isobaric). While extending the life of the produce, isobaric freezing has detrimental effects. It causes loss of food weight and changes in food quality. Using thermodynamic analysis, we have developed a ...

journal_title：PeerJ

authors： Lyu C,Nastase G,Ukpai G,Serban A,Rubinsky B

更新日期：2017-05-18 00:00:00