A new tiny toad species of Amazophrynella (Anura: Bufonidae) from east of the Guiana Shield in Amazonia, Brazil.

abstract：Background:In the predator-sea urchin-macrophyte trophic cascade, the ecological effect of sea urchins as grazers depends both on their density and the changes in foraging activity, which are influenced by various disturbing factors. However, the complete duration of the alarm reactions of echinoids has not been studie...

journal_title：PeerJ

authors： Zhadan PM,Vaschenko MA

更新日期：2019-11-22 00:00:00

abstract：Background:Using wearable inertial sensors to accurately estimate energy expenditure (EE) during an athletic training process is important. Due to the characteristics of inertial sensors, however, the positions in which they are worn can produce signals of different natures. To understand and solve this issue, this stu...

journal_title：PeerJ

authors： Ho CS,Chang CH,Lin KC,Huang CC,Hsu YJ

更新日期：2019-11-04 00:00:00

abstract：:Current ovarian cancer treatment involves chemotherapy that has serious limitations, such as rapid clearance, unfavorable biodistribution and severe side effects. To overcome these limitations, drug delivery systems (DDS) have been developed to encapsulate chemotherapeutics for delivery to tumor cells. However, no sys...

journal_title：PeerJ

authors： Raavé R,de Vries RB,Massuger LF,van Kuppevelt TH,Daamen WF

更新日期：2015-12-10 00:00:00

abstract：:MicoRNAs (miRNAs), usually as gene regulators, participate in various biological processes, including stress responses. The hypothalamus-pituitary-adrenal axis (HPA axis) is an important pathway in regulating stress response. Although the mechanism that HPA axis regulates stress response has been basically revealed, t...

journal_title：PeerJ

authors： Luo W,Fang M,Xu H,Xing H,Fu J,Nie Q

更新日期：2016-02-18 00:00:00

abstract：Background:Nurses are often the first to activate the chain of survival when a cardiorespiratory arrest happens. That is why it is crucial that they keep their knowledge and skills up-to-date and their attitudes to resuscitation are very important. The main aim of this study was to analyse whether the level of theoreti...

journal_title：PeerJ

authors： Tíscar-González V,Blanco-Blanco J,Gea-Sánchez M,Rodriguez Molinuevo A,Moreno-Casbas T

更新日期：2019-02-07 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：Background:Staphylococcus aureus is a human colonizer with high potential for virulence, and the spread of the virulent strains from the colonized hosts to non-carriers in the community is on the increase. However, there are few reports on comprehensive analysis of staphylococcal enterotoxin (SE) genes with clonal line...

journal_title：PeerJ

authors： Ayeni FA,Ruppitsch W,Allerberger F

更新日期：2018-07-09 00:00:00

abstract：Background:The table tennis serve involves complex spatial movements combined with biomechanial characteristics. Although the differences in lower-limb biomechanial characteristics to a great extent influence the translational and spinning velocity of the ball when using the different styles of table tennis serve, few ...

journal_title：PeerJ

authors： Yu C,Shao S,Baker JS,Gu Y

更新日期：2018-06-01 00:00:00

abstract：:Construction of hydropower stations has been an important approach to meet China's increasing power demand, but the impact of construction of hydropower stations on river microbiota is not fully understood. To evaluate this, the microbial composition from 18 sampling sites in the downstream of Jinsha River of China, u...

journal_title：PeerJ

authors： Chen X,He D,Zhou L,Cao Y,Li Z

更新日期：2020-07-16 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:Maize (Zea mays L.) is a principal cereal crop cultivated worldwide for human food, animal feed, and more recently as a source of biofuel. However, as a direct consequence of water insufficiency and climate change, frequent occurrences of both biotic and abiotic stresses have been reported in various regions...

journal_title：PeerJ

authors： Kimotho RN,Baillo EH,Zhang Z

更新日期：2019-07-08 00:00:00

abstract：Background:The Chinese Natural Forest Protection program has been conducted nationwide and has achieved resounding success. However, timber importation has increased; therefore, producing more domestic timber is critical to meet the demand for raw materials. Fertilization is one of the most effective silviculture pract...

journal_title：PeerJ

authors： Hou L,Dong Z,Yang Y,Zhang D,Zhang S,Zhang S

更新日期：2018-04-13 00:00:00

abstract：:The epidemic of mass mortality of oak trees by Japanese oak wilt has affected secondary deciduous broadleaved forests that have been used as coppices in Japan. The dieback of oak trees formed gaps in the crown that would be expected to enhance the regeneration of shade-intolerant pioneer species. However, foraging by ...

journal_title：PeerJ

authors： Itô H

更新日期：2016-12-22 00:00:00

abstract：:Melanoma is a global concern and accounts for the major mortality of skin cancers. Herpes simplex virus thymidine kinase gene with ganciclovir (HSV-TK/GCV) is a promising gene therapy for melanoma. Despite its low efficiency, it is well known for its bystander effect which is mainly mediated by gap junction. In this s...

journal_title：PeerJ

authors： Li H,Du H,Zhang G,Wu Y,Qiu P,Liu J,Guo J,Liu X,Sun L,Du B,Tan Y

更新日期：2019-09-20 00:00:00

abstract：:We studied the impact of simulated global change on a high alpine meadow plant community. Specifically, we examined whether short-term (5 years) responses are good predictors for medium-term (7 years) changes in the system by applying a factorial warming and nutrient manipulation to 20 plots in Latnjajaure, subarctic ...

journal_title：PeerJ

authors： Alatalo JM,Little CJ,Jägerbrand AK,Molau U

更新日期：2014-05-22 00:00:00

abstract：Background:B-mode ultrasound is one of the most commonly used imaging techniques for evaluating thyroid nodules due to its noninvasive property and excellent performance in terms of discriminating between benign and malignant nodules. However, the accuracy of differential diagnosis strongly depends on the experience of...

journal_title：PeerJ

authors： Wang J,He X,Ma L,Li M,Sun L,Jiang J,Zhou Q

更新日期：2020-05-04 00:00:00

abstract：:Mesacanthus is a common and speciose genus of acanthodian fish from Lower Old Red Sandstone and Middle Old Red Sandstone assemblages (representing the Lower Devonian and Middle Devonian respectively) and is well represented in many palaeoichthyology collections in the UK. Based upon descriptions given during the 19th ...

journal_title：PeerJ

authors： Baron MG

更新日期：2015-10-29 00:00:00

abstract：:This study provides information on biological (gonadosomatic index), commercial quality (condition index and meat yield) and biochemical aspects (proximate composition, fatty acids) of the soft tissues of Flexopecten glaber reared in suspended cages in the Ionian Sea. The results showed that condition index (CI) and m...

journal_title：PeerJ

authors： Prato E,Biandolino F,Parlapiano I,Papa L,Denti G,Fanelli G

更新日期：2019-01-21 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 marine gastropod, Coralliophila abbreviata, is an obligate corallivore that causes substantial mortality in Caribbean Acropora spp. Considering the imperiled status of Acropora cervicornis and A. palmata, a better understanding of ecological interactions resulting in tissue loss may enable more effective conservat...

journal_title：PeerJ

authors： Bright AJ,Cameron CM,Miller MW

更新日期：2015-09-10 00:00:00

abstract：:The prevalence of pre-diabetes (PD) among US adults has increased substantially over the past two decades. By current estimates, over 34% of US adults fall in the PD category, 84% of whom meet the American Diabetes Association's criteria for impaired fasting glucose (IFG). Low physical activity (PA) and/or sedentary b...

journal_title：PeerJ

authors： Farni K,Shoham DA,Cao G,Luke AH,Layden J,Cooper RS,Dugas LR

更新日期：2014-08-19 00:00:00

abstract：:Heterodonty in Crocodylia and closely related taxa has not been defined quantitatively, as the teeth rarely have been measured. This has resulted in a range of qualitative descriptors, with little consensus on the condition of dental morphology in the clade. The purpose of this study is to present a method for the qua...

journal_title：PeerJ

authors： D'Amore DC,Harmon M,Drumheller SK,Testin JJ

更新日期：2019-02-28 00:00:00

abstract：Background:The gray snapper (Lutjanus griseus) has a tropical and subtropical distribution. In much of its range this species represents one of the most important fishery resources because of its high quality meat and market value. Due to this, this species is vulnerable to overfishing, and population declines have bee...

journal_title：PeerJ

authors： Rosado-Nic OJ,Hogan JD,Lara-Arenas JH,Rosas-Luis R,Carrillo L,Villegas-Sánchez CA

更新日期：2020-02-10 00:00:00

abstract：:The Asian clam, Corbicula fluminea, is a commonly consumed small freshwater bivalve in East Asia. However, available genetic information of this clam is still limited. In this study, the transcriptome of female C. fluminea was sequenced using the Illumina HiSeq 2500 platform. A total of 89,563 unigenes were assembled ...

journal_title：PeerJ

authors： Zhu C,Zhang L,Ding H,Pan Z

更新日期：2019-10-22 00:00:00

abstract：BACKGROUND:Motion sickness may be caused by a sensory conflict between the visual and the vestibular systems. Scopolamine, known to be the most effective therapy to control the vegetative symptoms of motion sickness, acts on the vestibular nucleus and potentially the vestibulospinal pathway, which may affect balance an...

journal_title：PeerJ

authors： Bestaven E,Kambrun C,Guehl D,Cazalets JR,Guillaud E

更新日期：2016-05-05 00:00:00

abstract：:Researchers often need to consider the practical significance of a relationship. For example, interpreting the magnitude of an effect size or establishing bounds in equivalence testing requires knowledge of the meaningfulness of a relationship. However, there has been little research exploring the degree of relationsh...

journal_title：PeerJ

authors： Beribisky N,Davidson H,Cribbie RA

更新日期：2019-05-14 00:00:00

abstract：:Mitochondria are small, energy-producing structures vital to the energy needs of the body. Genetic mutations cause mitochondria to fail to produce the energy needed by cells and organs which can cause severe disease and death. These genetic mutations are likely to be in the mitochondrial DNA (mtDNA), or possibly in th...

journal_title：PeerJ

authors： Ahuja AS

更新日期：2018-05-21 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：:Brunei Bay, which receives freshwater discharge from four major rivers, namely Limbang, Sundar, Weston and Menumbok, hosts a luxuriant mangrove cover in East Malaysia. However, this relatively undisturbed mangrove forest has been less scientifically explored, especially in terms of vegetation structure, ecosystem serv...

journal_title：PeerJ

authors： Satyanarayana B,M Muslim A,Izzaty Horsali NA,Mat Zauki NA,Otero V,Nadzri MI,Ibrahim S,Husain ML,Dahdouh-Guebas F

更新日期：2018-02-20 00:00:00

abstract：Background:Alzheimer's disease (AD) is a prevalent progressive neurodegenerative human disease whose cause remains unclear. Numerous initially highly hopeful anti-AD drugs based on the amyloid-β (Aβ) hypothesis of AD have failed recent late-phase tests. Natural aging (AG) is a high-risk factor for AD. Here, we aim to g...

journal_title：PeerJ

authors： Peng YS,Tang CW,Peng YY,Chang H,Chen CL,Guo SL,Wu LC,Huang MC,Lee HC

更新日期：2020-03-20 00:00:00