Genetic diversity of Simao pine in China revealed by SRAP markers.

abstract：Background:Cities face rapid changes leading to increasing inequalities and emerging public health issues that require cost-effective interventions. The urban exposome concept refers to the continuous monitoring of urban environmental and health indicators using the city and smaller intra-city areas as measurement unit...

journal_title：PeerJ

authors： Andrianou XD,van der Lek C,Charisiadis P,Ioannou S,Fotopoulou KN,Papapanagiotou Z,Botsaris G,Beumer C,Makris KC

更新日期：2019-05-24 00:00:00

abstract：:Convergent evolution can provide insights into the predictability of, and constraints on, the evolution of biodiversity. One striking example of convergence is seen in the 'river dolphins'. The four dolphin genera that make up the 'river dolphins' (Inia geoffrensis, Pontoporia blainvillei, Platanista gangetica and Lip...

journal_title：PeerJ

authors： Page CE,Cooper N

更新日期：2017-11-21 00:00:00

abstract：:Tufted Puffin (Fratercula cirrhata) populations have experienced dramatic declines since the mid-19th century along the southern portion of the species range, leading citizen groups to petition the United States Fish and Wildlife Service (USFWS) to list the species as endangered in the contiguous US. While there remai...

journal_title：PeerJ

authors： Hart CJ,Kelly RP,Pearson SF

更新日期：2018-03-22 00:00:00

abstract：:Prostaglandin E1 (PGE1), known pharmaceutically as alprostadil, has vasodilatory properties and is used widely in various clinical settings. In addition to acute vasodilatory properties, PGE1 may exert beneficial effects by altering protein expression of vascular cells. PGE1 is reported to be a potent stimulator of an...

journal_title：PeerJ

authors： Suzuki K,Nishi K,Takabuchi S,Kai S,Matsuyama T,Kurosawa S,Adachi T,Maruyama T,Fukuda K,Hirota K

更新日期：2013-11-28 00:00:00

abstract：:The shifting baseline syndrome describes a gradual lowering of human cognitive baselines, as each generation accepts a lower standard of resource abundance or size as the new norm. There is strong empirical evidence of declining trends of abundance and body sizes of marine fish species reported from docks and markets....

journal_title：PeerJ

authors： Francis FT,Howard BR,Berchtold AE,Branch TA,Chaves LCT,Dunic JC,Favaro B,Jeffrey KM,Malpica-Cruz L,Maslowski N,Schultz JA,Smith NS,Côté IM

更新日期：2019-02-15 00:00:00

abstract：:This study evaluated pollution levels in water and sediments of Península de Paraguaná and related these levels with benthic macrofauna along a coastal area where the largest Venezuelan oil refineries have operated over the past 60 years. For this, the concentration of heavy metals, of hydrocarbon compounds and the co...

journal_title：PeerJ

authors： Croquer A,Bone D,Bastidas C,Ramos R,García E

更新日期：2016-06-23 00:00:00

abstract：:The capacity for aerial maneuvering was likely a major influence on the evolution of flying animals. Here we evaluate consequences of paravian morphology for aerial performance by quantifying static stability and control effectiveness of physical models for numerous taxa sampled from within the lineage leading to bird...

journal_title：PeerJ

authors： Evangelista D,Cam S,Huynh T,Kwong A,Mehrabani H,Tse K,Dudley R

更新日期：2014-10-16 00:00:00

abstract：:We present a semi-empirical (PM6-based) computational method for systematically estimating the effect of all possible single mutants, within a certain radius of the active site, on the barrier height of an enzymatic reaction. The intent of this method is not a quantitative prediction of the barrier heights, but rather...

journal_title：PeerJ

authors： Hediger MR,Steinmann C,De Vico L,Jensen JH

更新日期：2013-07-23 00:00:00

abstract：:Arbuscular mycorrhizal fungi (AMF) colonization, sampled at 32-50 days post-inoculation (dpi), was significantly reduced in suppressor of prosystemin-mediated responses2 (spr2) mutant tomato plants impaired in the ω-3 FATTY ACID DESATURASE7 (FAD7) gene that limits the generation of linolenic acid and, consequently, th...

journal_title：PeerJ

authors： Casarrubias-Castillo K,Montero-Vargas JM,Dabdoub-González N,Winkler R,Martinez-Gallardo NA,Zañudo-Hernández J,Avilés-Arnaut H,Délano-Frier JP

更新日期：2020-04-16 00:00:00

abstract：:According to current molecular evidence, the Chionaspis pinifoliae heterophyllae species complex has been recognized as 10 cryptic species. In this study, we construct potential distribution maps for seven cryptic species based on climatic variables. This was done to assess the main environmental factors that have con...

journal_title：PeerJ

authors： Zhao Q,Zhang H,Wei J

更新日期：2019-05-31 00:00:00

abstract：:Prior work in our lab has shown that an expanding image on a computer screen elicits a hiding response in the Caribbean terrestrial hermit crab (Coenobita clypeatus). We conducted two experiments to identify what properties of the expanding stimulus contribute to its effectiveness as a visual threat. First we found th...

journal_title：PeerJ

authors： Shragai T,Ping X,Arakaki C,Garlick D,Blumstein DT,Blaisdell AP

更新日期：2017-11-30 00:00:00

abstract：:We point out complications inherent in biodiversity inventory metrics when applied to large-scale datasets. The number of units of inventory effort (e.g., days of inventory effort) in which a species is detected saturates, such that crucial numbers of detections of rare species approach zero. Any rare errors can then ...

journal_title：PeerJ

authors： Khalighifar A,Jiménez L,Nuñez-Penichet C,Freeman B,Ingenloff K,Jiménez-García D,Peterson T

更新日期：2020-05-13 00:00:00

abstract：:Osteosarcoma is a common malignancy seen mainly in children and adolescents. The disease is characterized by poor overall prognosis and lower survival due to a lack of predictive markers. Many gene signatures with diagnostic, prognostic, and predictive values were evaluated to achieve better clinical outcomes. Two pub...

journal_title：PeerJ

authors： Qiu Z,Du X,Chen K,Dai Y,Wang S,Xiao J,Li G

更新日期：2021-01-15 00:00:00

abstract：INTRODUCTION:Theory predicts that habitat fragmentation, by reducing population size and increasing isolation among remnant populations, can alter their genetic diversity and structure. A cascade of effects is expected: genetic drift and inbreeding after a population bottleneck, changes in biotic interactions that may ...

journal_title：PeerJ

authors： Suárez-Montes P,Chávez-Pesqueira M,Núñez-Farfán J

更新日期：2016-12-22 00:00:00

abstract：:Type I restriction-modification enzymes are multisubunit, multifunctional molecular machines that recognize specific DNA target sequences, and their multisubunit organization underlies their multifunctionality. EcoR124I is the archetype of Type I restriction-modification family IC and is composed of three subunit type...

journal_title：PeerJ

authors： Bialevich V,Sinha D,Shamayeva K,Guzanova A,Řeha D,Csefalvay E,Carey J,Weiserova M,Ettrich RH

更新日期：2017-01-18 00:00:00

abstract：:Engaging in effortful self-control can sometimes impair people's ability to resist subsequent temptations. Existing research has shown that when chronic dieters' self-regulatory capacity is challenged by prior exertion of effort, they demonstrate disinhibited eating and altered patterns of brain activity when exposed ...

journal_title：PeerJ

authors： Lopez RB,Courtney AL,Wagner DD

更新日期：2019-02-28 00:00:00

abstract：:Mauremys reevesii is a classical organism with temperature-dependent sex determination (TSD). Gonad development in early life has recently received considerable attention but gonadal maintenance after sex differentiation in turtles with TSD remains a mystery. In this study, we sequenced the transcriptomes for the adul...

journal_title：PeerJ

authors： Xiong L,Dong J,Jiang H,Zan J,Tong J,Liu J,Wang M,Nie L

更新日期：2019-03-08 00:00:00

abstract：:Neurons are embedded in an extracellular matrix (ECM), which functions both as a scaffold and as a regulator of neuronal function. The ECM is in turn dynamically altered through the action of serine proteases, which break down its constituents. This pathway has been implicated in the regulation of synaptic plasticity ...

journal_title：PeerJ

authors： Van De Vijver S,Missault S,Van Soom J,Van Der Veken P,Augustyns K,Joossens J,Dedeurwaerdere S,Giugliano M

更新日期：2019-04-23 00:00:00

abstract：:Much genomic-scale, especially transcriptomic, data on spider phylogeny has accumulated in the last few years. These data have recently been used to investigate the diverse architectures and the origin of spider webs, concluding that the ancestral spider spun no foraging web, that spider webs evolved de novo 10-14 tim...

journal_title：PeerJ

authors： Coddington JA,Agnarsson I,Hamilton CA,Bond JE

更新日期：2019-04-04 00:00:00

abstract：BACKGROUND:Dengue studies at the urban scale are scarce and required for guiding control efforts. In Brazil, the burden of dengue is high and challenges city public health administrations with limited resources. Here we studied the dynamics of a dengue epidemic in a single city. METHODS:Serum samples from dengue suspe...

journal_title：PeerJ

authors： Villabona-Arenas CJ,de Oliveira JL,de Sousa-Capra C,Balarini K,Pereira da Fonseca CR,Zanotto PM

更新日期：2016-04-05 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 and Aim:Water is an increasingly scarce resource while some crops, such as paddy rice, require large amounts of water to maintain grain production. A better understanding of rice drought adaptation and tolerance mechanisms could help to reduce this problem. There is evidence of a possible role of root-associ...

journal_title：PeerJ

authors： Andreo-Jimenez B,Vandenkoornhuyse P,Lê Van A,Heutinck A,Duhamel M,Kadam N,Jagadish K,Ruyter-Spira C,Bouwmeester H

更新日期：2019-09-11 00:00:00

abstract：:[This corrects the article DOI: 10.7717/peerj.4736.]. ...

journal_title：PeerJ

authors： Regaiolli B,Spiezio C,Hopkins WD

更新日期：2018-08-23 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：:Climatic variables have been the main predictors employed in ecological niche modeling and species distribution modeling, although biotic interactions are known to affect species' spatial distributions via mechanisms such as predation, competition, and mutualism. Biotic interactions can affect species' responses to ab...

journal_title：PeerJ

authors： Simões MVP,Peterson AT

更新日期：2018-12-05 00:00:00

abstract：:Cinnamoyl-CoA reductase (CCR) is the first enzyme in the monolignol-specific branch of the lignin biosynthetic pathway. In this research, three sorghum CCR genes including SbCCR1, SbCCR2-1 and SbCCR2-2 were cloned and characterized. Analyses of the structure and phylogeny of the three CCR genes showed evolutionary con...

journal_title：PeerJ

authors： Li J,Fan F,Wang L,Zhan Q,Wu P,Du J,Yang X,Liu Y

更新日期：2016-05-19 00:00:00

abstract：:Elucidating the molecular mechanism of helix-coil transitions of short peptides is a long-standing conundrum in physical chemistry. Although the helix-coil transitions of poly-glutamic acid (PGA) have been extensively studied, the molecular details of its unfolding process still remain unclear. We performed all-atom c...

journal_title：PeerJ

authors： Ogasawara N,Kasahara K,Iwai R,Takahashi T

更新日期：2018-05-15 00:00:00

abstract：:Due to its remote and isolated location, Antarctica is home to a unique diversity of species. The harsh conditions have shaped a primarily highly adapted endemic fauna. This includes the notothenioid family Channichthyidae. Their exceptional physiological adaptations have made this family of icefish the focus of many ...

journal_title：PeerJ

authors： Kuhn T,Zizka VMA,Münster J,Klapper R,Mattiucci S,Kochmann J,Klimpel S

更新日期：2018-05-11 00:00:00

abstract：Background:This study sought to better understand the psychometric properties of the SARC-F, by examining the baseline and training-related relationships between the five SARC-F items and objective measures of muscle function. Each of the five items of the SARC-F are scored from 0 to 2, with total score of four or more...

journal_title：PeerJ

authors： Keogh JWL,Henwood T,Gardiner PA,Tuckett AG,Hetherington S,Rouse K,Swinton P

更新日期：2019-11-27 00:00:00

abstract：:Complete chloroplast genome sequences have been very useful for understanding phylogenetic relationships in angiosperms at the family level and above, but there are currently large gaps in coverage. We report the chloroplast genome for Helwingia himalaica, the first in the distinctive family Helwingiaceae and only the...

journal_title：PeerJ

authors： Yao X,Liu YY,Tan YH,Song Y,Corlett RT

更新日期：2016-11-29 00:00:00