Evolution of Philodendron (Araceae) species in Neotropical biomes.

abstract：Background:Many tilapia species or varieties have been widely introduced and have become an economically important food fish in China. Information on the genetic backgrounds of these populations is deficient and requires more research, especially for red tilapia strains. Methods:In the present study, displacement loop...

journal_title：PeerJ

authors： Jiang B,Fu J,Dong Z,Fang M,Zhu W,Wang L

更新日期：2019-05-29 00:00:00

abstract：:Recently, numerous studies have observed changes in bird vocalizations-especially song-in urban habitats. These changes are often interpreted as adaptive, since they increase the active space of the signal in its environment. However, the proximate mechanisms driving cross-generational changes in song are still unknow...

journal_title：PeerJ

authors： Potvin DA,Curcio MT,Swaddle JP,MacDougall-Shackleton SA

更新日期：2016-08-16 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：INTRODUCTION:Early detection of social anxiety and loneliness might be useful to prevent substantial impairment in personal relationships. Understanding the way people use smartphones can be beneficial for implementing an early detection of social anxiety and loneliness. This paper examines different types of smartphon...

journal_title：PeerJ

authors： Gao Y,Li A,Zhu T,Liu X,Liu X

更新日期：2016-07-12 00:00:00

abstract：Background:E-health technology applications are essential tools of modern information technology that improve quality of healthcare delivery in hospitals of both developed and developing countries. However, despite its positive benefits, studies indicate that the rate of the e-health adoption in some developing countri...

journal_title：PeerJ

authors： Zayyad MA,Toycan M

更新日期：2018-03-01 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:Profiling of microbial communities via metagenomic shotgun sequencing has enabled researches to gain unprecedented insight into microbial community structure and the functional roles of community members. This study describes a method and basic analysis for a metagenomic adaptation of the double digest restr...

journal_title：PeerJ

authors： Liu MY,Worden P,Monahan LG,DeMaere MZ,Burke CM,Djordjevic SP,Charles IG,Darling AE

更新日期：2017-09-19 00:00:00

abstract：Background:Efficient communication requires that signals are well transmitted and perceived in a given environment. Natural selection therefore drives the evolution of different signals in different environments. In addition, environmental heterogeneity at small spatial or temporal scales may favour phenotypic plastici...

journal_title：PeerJ

authors： Wright DS,Rietveld E,Maan ME

更新日期：2018-01-03 00:00:00

abstract：Background:Stoichiometric relations drive powerful constraints in several fundamental ecosystem processes. However, limited studies have been conducted on the ecological stoichiometry of plants after the change of community composition induced by Stellera chamaejasme removal in alpine grassland in the Qinghai-Tibetan P...

journal_title：PeerJ

authors： Song M,Wang Y,Bao G,Wang H,Yin Y,Li X,Zhang C

更新日期：2020-06-23 00:00:00

abstract：Background:The independent effects of hypohydration and hyperthermia on cognition and mood is unclear since the two stresses often confound each other. Further, it is unknown if obese individuals have the same impairments during hyperthermia and hypohydration that is often observed in non-obese individuals. Methods:Th...

journal_title：PeerJ

authors： Caldwell AR,Burchfield J,Moyen NE,Tucker MA,Butts CL,Elbin RJ,Ganio MS

更新日期：2018-08-16 00:00:00

abstract：BACKGROUND:Algae encompass a wide array of photosynthetic organisms that are ubiquitously distributed in aquatic and terrestrial habitats. Algal species often bloom in aquatic ecosystems, providing a significant autochthonous carbon input to the deeper anoxic layers in stratified water bodies. In addition, various alga...

journal_title：PeerJ

authors： Morrison JM,Murphy CL,Baker K,Zamor RM,Nikolai SJ,Wilder S,Elshahed MS,Youssef NH

更新日期：2017-01-10 00:00:00

abstract：:Sound production is a widespread phenomenon among animals. Effective sound use for mate or species recognition requires some acoustic differentiation at an individual or species level. Several species of caudate amphibians produce underwater sounds, but information about intra- and interspecific variation in their aco...

journal_title：PeerJ

authors： Hubáček J,Šugerková M,Gvoždík L

更新日期：2019-03-28 00:00:00

abstract：Background:Lumbar spinal stenosis (LSS) is a common cause of low back pain with degenerative spinal change in older adults. Telomeres are repetitive nucleoprotein DNA sequences of TTAGGG at the ends of chromosomes. Oxidative stress originates from an imbalance in pro-oxidant and antioxidant homeostasis that results in ...

journal_title：PeerJ

authors： Dechsupa S,Yingsakmongkol W,Limthongkul W,Singhatanadgige W,Honsawek S

更新日期：2018-08-09 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

abstract：:Metabarcoding can rapidly determine the species composition of bulk samples and thus aids biodiversity and ecosystem assessment. However, it is essential to use primer sets that minimize amplification bias among taxa to maximize species recovery. Despite this fact, the performance of primer sets employed for metabarco...

journal_title：PeerJ

authors： Elbrecht V,Braukmann TWA,Ivanova NV,Prosser SWJ,Hajibabaei M,Wright M,Zakharov EV,Hebert PDN,Steinke D

更新日期：2019-10-07 00:00:00

abstract：:Hydrozoa medusae undergo blooms and seasonal fluctuations; however the drivers of such fluctuations are unknown. To understand how medusa populations fluctuate in response to seasonal factors such as temperature, salinity, dissolved oxygen, and chlorophyll a, and to enhance our taxonomic knowledge of Hydrozoa in Galve...

journal_title：PeerJ

authors： Pruski S,Miglietta MP

更新日期：2019-10-08 00:00:00

abstract：:Sea cucumbers possess the remarkable capacity to regenerate their body parts or organs. Regeneration of host organs and/or body parts involves reconstruction of the host associated microbiota, however, the dynamics and contribution of microbiota to the regeneration process are largely unknown due to a lack of experime...

journal_title：PeerJ

authors： Yamazaki Y,Sakai Y,Yu J,Mino S,Sawabe T

更新日期：2020-12-01 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：:LIMKi 3 is a specific selective LIMK inhibitor against LIMK1 and LIMK2, while LIMK1 and LIMK2 are the main regulators of actin cytoskeleton to participate in many cell activities. However, the effect of LIMKi 3 in porcine oocyte meiosis is still unclear. The present study was designed to investigate the effects of LIM...

journal_title：PeerJ

authors： Jia RX,Duan X,Song SJ,Sun SC

更新日期：2016-10-12 00:00:00

abstract：:Dung beetles of the subfamily Scarabaeinae are widely recognised as important providers of multiple ecosystem services and are currently experiencing revisions that have improved our understanding of higher-level relationships in the subfamily. However, the study of phylogenetic relationships at the level of genus or ...

journal_title：PeerJ

authors： Pardo-Diaz C,Lopera Toro A,Peña Tovar SA,Sarmiento-Garcés R,Sanchez Herrera M,Salazar C

更新日期：2019-08-05 00:00:00

abstract：:The eukaryotic polypyrimidine tract binding protein (PTB) serves primarily as a regulator of alternative splicing of messenger RNA, but is also co-opted to other roles such as RNA localisation and translation initiation from internal ribosome entry sites. The neuronal paralogue of PTB (nPTB) is 75% identical in amino ...

journal_title：PeerJ

authors： Joshi A,Esteve V,Buckroyd AN,Blatter M,Allain FH,Curry S

更新日期：2014-03-13 00:00:00

abstract：:For the past several centuries, millipede taxonomists have used the morphology of male copulatory structures (modified legs called gonopods), which are strongly variable and suggestive of species-level differences, as a source to understand taxon relationships. Millipedes in the family Xystodesmidae are blind, dispers...

journal_title：PeerJ

authors： Means JC,Marek PE

更新日期：2017-10-12 00:00:00

abstract：:We revise the genus Conostigmus Dahlbom 1858 occurring in Madagascar, based on data from more specimens than were examined for the latest world revision of the genus. Our results yield new information about intraspecific variability and the nature of the atypical latitudinal diversity gradient (LDG) observed in Ceraph...

journal_title：PeerJ

authors： Mikó I,Trietsch C,Sandall EL,Yoder MJ,Hines H,Deans AR

更新日期：2016-12-13 00:00:00

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：:Populations undergoing rapid climate-driven range expansion experience distinct selection regimes dominated both by increased dispersal at the leading edges and steep environmental gradients. Characterisation of traits associated with such expansions provides insight into the selection pressures and evolutionary const...

journal_title：PeerJ

authors： Taylor-Cox ED,Macgregor CJ,Corthine A,Hill JK,Hodgson JA,Saccheri IJ

更新日期：2020-11-19 00:00:00

abstract：:Changes in soil bacterial communities, which are crucial for the assessment of ecological restoration in Chinese plantations, have never been studied in the "Three North Shelterbelt" project in the semi-arid areas. We used high-throughput sequencing of the 16S rDNA gene to investigate the soil bacterial community dive...

journal_title：PeerJ

authors： Deng J,Zhang Y,Yin Y,Zhu X,Zhu W,Zhou Y

更新日期：2019-06-25 00:00:00

abstract：:Freshwater food webs are dominated by aquatic invertebrates whose trophic relationships are often poorly known. Here, I used laboratory experiments to study the role of a water bug, Sigara striata, as a potential predator and prey in food webs of stagnant waters. Multiple-choice predation experiment revealed that Siga...

journal_title：PeerJ

authors： Klecka J

更新日期：2014-05-22 00:00:00

abstract：:Parallelism is important because it reveals how inherently stochastic adaptation is. Even as we come to better understand evolutionary forces, stochasticity limits how well we can predict evolutionary outcomes. Here we sought to quantify parallelism and some of its underlying causes by adapting a bacteriophage (ID11) ...

journal_title：PeerJ

authors： Miller CR,Nagel AC,Scott L,Settles M,Joyce P,Wichman HA

更新日期：2016-07-19 00:00:00

abstract：:Seasonality impacts species distributions through changes of the environmental conditions that affect the presence of individuals at a given place. Although the dynamics of cave microclimates are well known, only a few studies have evaluated the effects of such dynamics on non-strictly cave species. Here we assessed i...

journal_title：PeerJ

authors： Lunghi E,Manenti R,Ficetola GF

更新日期：2017-05-10 00:00:00

abstract：:In this study, we propose and test a novel ensemble method for improving the accuracy of each method in flood susceptibility mapping using evidential belief function (EBF) and support vector machine (SVM). The outcome of the proposed method was compared with the results of each method. The proposed method was implemen...

journal_title：PeerJ

authors： Shafapour Tehrany M,Kumar L,Shabani F

更新日期：2019-10-09 00:00:00