Inventory statistics meet big data: complications for estimating numbers of species.

abstract：:P-glycoprotein (P-gp) is one of the highly expressed cancer cell efflux transporters that cause the failure of chemotherapy. To reverse P-gp induced multidrug resistance, we employed a flaxseed-derived lignan; secoisolariciresinol (SECO) that acts as an inhibitor of breast cancer resistance protein; another efflux tra...

journal_title：PeerJ

authors： Morsy MA,El-Sheikh AAK,Ibrahim ARN,Venugopala KN,Kandeel M

更新日期：2020-06-10 00:00:00

abstract：:Tyrosine phosphorylation has emerged as an important regulator of plasma membrane-localized immune receptors activity. Here, we investigate the role of tyrosine phosphorylation in the regulation of rice XANTHOMONAS RESISTANCE 21 (XA21)-mediated immunity. We demonstrate that the juxtamembrane and kinase domain of Esche...

journal_title：PeerJ

authors： Caddell DF,Wei T,Sharma S,Oh MH,Park CJ,Canlas P,Huber SC,Ronald PC

更新日期：2018-12-11 00:00:00

abstract：:In contrast to dominant mode of ecological transition in the evolution of marine mammals, different lineages of toothed whales (Odontoceti) have repeatedly invaded freshwater ecosystems during the Cenozoic era. The so-called 'river dolphins' are now recognized as independent lineages that converged on similar morpholo...

journal_title：PeerJ

authors： Pyenson ND,Vélez-Juarbe J,Gutstein CS,Little H,Vigil D,O'Dea A

更新日期：2015-09-01 00:00:00

abstract：:Seymouria is the best known of the seymouriamorphs, a group of Permo-Carboniferous reptiliomorphs with both terrestrial and aquatic taxa. The majority of research on Seymouria has focused on cranial anatomy, with few detailed descriptions or illustrations of the postcrania. We utilized neutron computed tomography (nCT...

journal_title：PeerJ

authors： Bazzana KD,Gee BM,Bevitt JJ,Reisz RR

更新日期：2020-03-10 00:00:00

abstract：:Here we review the systematics of the threadsnakes of the Epictia goudotii Species complex in Middle and northern South America using external morphology and molecular data. Two species, Epictia goudotii and E. magnamaculata, are currently recognized from that region, but we provide evidence for recognizing, as specie...

journal_title：PeerJ

authors： McCranie JR,Hedges SB

更新日期：2016-01-12 00:00:00

abstract：:To investigate community shelter effects of two invasive decapod species, Hemigrapsus sanguineus and Carcinus maenas, in the Long Island Sound (LIS), we deployed artificial shelters in the intertidal and immediate subtidal zones. These consisted of five groups during the summer: a control, a resident H. sanguineus mal...

journal_title：PeerJ

authors： Hudson DM,Reagan D,Crivello JF

更新日期：2016-07-27 00:00:00

abstract：:Cold-water corals provide an important habitat for a rich fauna along the continental margins and slopes. Although these azooxanthellate corals are considered particularly sensitive to ocean acidification, their responses to natural variations in pH and aragonite saturation are largely unknown due to the difficulty of...

journal_title：PeerJ

authors： Fillinger L,Richter C

更新日期：2013-10-29 00:00:00

abstract：:Anemones of genus Exaiptasia are used as model organisms for the study of cnidarian-dinoflagellate (genus Symbiodinium) endosymbiosis. However, while most reef-building corals harbor Symbiodinium of clade C, Exaiptasia spp. anemones mainly harbor clade B Symbiodinium (ITS2 type B1) populations. In this study, we revea...

journal_title：PeerJ

authors： Chen WN,Hsiao YJ,Mayfield AB,Young R,Hsu LL,Peng SE

更新日期：2016-08-24 00:00:00

abstract：:Background. Research addressing distinctions and similarities between people's malevolent character traits (i.e., the Dark Triad: Machiavellianism, narcissism, and psychopathy) has detected inconsistent linear associations to temperament traits. Additionally, these dark traits seem to have a common core expressed as u...

journal_title：PeerJ

authors： Garcia D,Rosenberg P

更新日期：2016-02-08 00:00:00

abstract：:Ethylene response factors (ERFs) are plant-specific transcription factors (TFs) that play important roles in plant growth and stress defense and have received a great amount of attention in recent years. In this study, seven ERF genes related to abiotic stress tolerance and response were identified in plants of the Po...

journal_title：PeerJ

authors： Huang J,Wang S,Wang X,Fan Y,Han Y

更新日期：2020-10-20 00:00:00

abstract：:Species interactions are a key component of ecosystems but we generally have an incomplete picture of who-eats-who in a given community. Different techniques have been devised to predict species interactions using theoretical models or abundances. Here, we explore the K nearest neighbour approach, with a special empha...

journal_title：PeerJ

authors： Desjardins-Proulx P,Laigle I,Poisot T,Gravel D

更新日期：2017-08-10 00:00:00

abstract：:While studying organisms living in association with the solitary tunicate Phallusia nigra (Ascidiacea, Ascidiidae) from a shallow fringing reef at Zeytouna Beach (Egyptian Red Sea), one of the collected ascidians showed peculiar perforations on its tunic. Once dissected, the perforations revealed to be the openings of...

journal_title：PeerJ

authors： Martin D,Nygren A,Cruz-Rivera E

更新日期：2017-06-01 00:00:00

abstract：:Background. The age at which most young people are in tertiary education is also the age of peak onset for mental illness. Because mental health problems can have adverse effects on students' academic performance and welfare, institutions require guidance how they can best provide support. However, the scientific evid...

journal_title：PeerJ

authors： Reavley NJ,Ross AM,Killackey E,Jorm AF

更新日期：2013-02-26 00:00:00

abstract：Background:Despite clinical trials with antioxidant supplementation, few studies have been conducted to evaluate the nutritional status of antioxidant vitamins and minerals, and none have reported on the status of these serum antioxidants associated with the dietary intake of antioxidants by non-alcoholic fatty liver d...

journal_title：PeerJ

authors： Coelho JM,Cansanção K,Perez RM,Leite NC,Padilha P,Ramalho A,Peres W

更新日期：2020-09-17 00:00:00

abstract：:Background. "Health is wealth" is a time tested adage. Health becomes more relevant when it comes to professionals whose job is to provide people with services that maintain an optimum state of mental, physical and social well-being. Healthcare professionals (HCP) differ from general population in regards to the natur...

journal_title：PeerJ

authors： Ahmad W,Taggart F,Shafique MS,Muzafar Y,Abidi S,Ghani N,Malik Z,Zahid T,Waqas A,Ghaffar N

更新日期：2015-09-17 00:00:00

abstract：BACKGROUND:The Saururaceae, a very small family of Piperales comprising only six species in four genera, have a relatively scanty fossil record outside of Europe. The phylogenetic relationships of the four genera to each other are resolved, with the type genus Saururus occurring in both eastern North America and East A...

journal_title：PeerJ

authors： Grímsson F,Grimm GW,Zetter R

更新日期：2017-06-13 00:00:00

abstract：:The stings of bees, wasps, and ants are something that catches the attention of anyone that experiences them. While many recent studies have focused on the pain inflicted by the stings of various stinging wasps, bees, or ants (Hymenoptera: Aculeata), little is known about how the length of the sting itself varies betw...

journal_title：PeerJ

authors： Sadler EA,Pitts JP,Wilson JS

更新日期：2018-05-02 00:00:00

abstract：BACKGROUND:Estimating volumes and masses of total body components is important for the study and treatment monitoring of nutrition and nutrition-related disorders, cancer, joint replacement, energy-expenditure and exercise physiology. While several equations have been offered for estimating total body components from M...

journal_title：PeerJ

authors： Lacoste Jeanson A,Dupej J,Villa C,Brůžek J

更新日期：2017-05-18 00:00:00

abstract：:This study aimed (i) to explore the relationship between vertical (jumping) and horizontal (sprinting) force-velocity-power (FVP) mechanical profiles in a large range of sports and levels of practice, and (ii) to provide a large database to serve as a reference of the FVP profile for all sports and levels tested. A to...

journal_title：PeerJ

authors： Jiménez-Reyes P,Samozino P,García-Ramos A,Cuadrado-Peñafiel V,Brughelli M,Morin JB

更新日期：2018-11-13 00:00:00

abstract：:Changes in behavior are often the proximate response of animals to human disturbance, with variability in tolerance levels leading some species to exhibit striking shifts in life history, fitness, and/or survival. Thus, elucidating the effects of disturbance on animal behavior, and how this varies among taxonomically ...

journal_title：PeerJ

authors： Matich P,Schalk CM

更新日期：2019-06-07 00:00:00

abstract：:The rapidly changing climate makes humans realize that there is a critical need to incorporate climate change adaptation into conservation planning. Whether the wintering habitats of Great Bustards (Otis tarda dybowskii), a globally endangered migratory subspecies whose population is approximately 1,500-2,200 individu...

journal_title：PeerJ

authors： Mi C,Falk H,Guo Y

更新日期：2016-02-01 00:00:00

abstract：:Niche production is intended to produce premium pork, but several husbandry factors may affect the meat fatty acid composition and aroma. Fatty acid profile (by GC-FID) of raw meat and volatile compounds (by SPME-GC-MS) of cooked meat were analysed in loin samples from two pig genetic types-75% Duroc (Du) and 50% Piet...

journal_title：PeerJ

authors： Argemí-Armengol I,Villalba D,Tor M,Pérez-Santaescolástica C,Purriños L,Manuel Lorenzo J,Álvarez-Rodríguez J

更新日期：2019-07-17 00:00:00

abstract：Background:Simao pine (Pinus kesiya Royle ex Gordon var. langbianensis (A. Chev.) Gaussen) is one of the most important tree species in the production of timber and resin in China. However, the genetic diversity of the natural populations has not been assessed to date. In this study, sequence related amplified polymorp...

journal_title：PeerJ

authors： Wang D,Shen B,Gong H

更新日期：2019-02-26 00:00:00

abstract：:The maximum likelihood estimation (MLE) method, typically used for polytomous logistic regression, is prone to bias due to both misclassification in outcome and contamination in the design matrix. Hence, robust estimators are needed. In this study, we propose such a method for nominal response data with continuous cov...

journal_title：PeerJ

authors： Wang X

更新日期：2014-07-01 00:00:00

abstract：:Excluding grazers is one of most efficient ways to restore degraded grasslands in desert-steppe communities, but may negatively affect the recovery of plant species diversity. However, diversity differences between grazed and fenced grasslands in desert-steppe are poorly known. In a Stipa breviflora desert steppe comm...

journal_title：PeerJ

authors： Wang X,Yang X,Wang L,Chen L,Song N,Gu J,Xue Y

更新日期：2018-02-13 00:00:00

abstract：:Rhynchosauria is a group of archosauromorph reptiles abundant in terrestrial ecosystems of the Middle Triassic. Mesosuchus is one of the earliest and basalmost rhynchosaurs, playing an important role not only for the understanding of the evolution of the group as a whole, but also of archosauromorphs in general. The b...

journal_title：PeerJ

authors： Sobral G,Müller J

更新日期：2019-05-22 00:00:00

abstract：Background:The ongoing change in climate is predicted to exert unprecedented effects on Earth's biodiversity at all levels of organization. Biological conservation is important to prevent biodiversity loss, especially for species facing a high risk of extinction. Understanding the past responses of species to climate c...

journal_title：PeerJ

authors： Bai Y,Wei X,Li X

更新日期：2018-01-16 00:00:00

abstract：:Relative gene expression data obtained from quantitative RT-PCR (RT-qPCR) experiments are dependent on appropriate normalization to represent true values. It is common to use constitutively expressed endogenous reference genes (RGs) for normalization, but for this strategy to be valid the RGs must be stably expressed ...

journal_title：PeerJ

authors： Ramhøj L,Axelstad M,Svingen T

更新日期：2019-06-26 00:00:00

abstract：:The interplay between historical and contemporary processes can produce complex patterns of genetic differentiation in the marine realm. Recent mitochondrial and nuclear sequence analyses revealed cryptic speciation in the Japanese mantis shrimp Oratosquilla oratoria. Herein, we applied nuclear microsatellite markers ...

journal_title：PeerJ

authors： Cheng J,Zhang N,Sha Z

更新日期：2020-11-05 00:00:00

abstract：Background:Several heart malformations are associated with mutations in the regulatory regions of cardiac genes. Troponin I type 1b (tnni1b) is important for the formation of the atrioventricular canal in zebrafish hearts; however, the regulation of tnni1b is poorly understand. We aimed to identify a small but function...

journal_title：PeerJ

authors： Zhang Y,Wang F,Wu F,Wang Y,Wang X,Gui Y,Li Q

更新日期：2020-11-04 00:00:00