Vertical distribution of polycyclic aromatic hydrocarbons in the brackish sea water column: ex situ experiment.

abstract：BACKGROUND:The primary objective of this cross-sectional study was to estimate the crude, seasonal and cull-reason stratified prevalence of Salmonella fecal shedding in cull dairy cattle on seven California dairies. A secondary objective was to estimate and compare the relative sensitivity (Se) and specificity (Sp) for...

journal_title：PeerJ

authors： Abu Aboud OA,Adaska JM,Williams DR,Rossitto PV,Champagne JD,Lehenbauer TW,Atwill R,Li X,Aly SS

更新日期：2016-08-30 00:00:00

abstract：:Transmissible gastroenteritis virus (TGEV), belonging to the coronaviridae family, is the key cause of the fatal diarrhea of piglets and results in many pathological processes. microRNAs (miRNAs) play a key role in the regulation of virus-induced apoptosis. During the process of apoptosis induced by TGEV infection in ...

journal_title：PeerJ

authors： Zhao X,Song X,Bai X,Fei N,Huang Y,Zhao Z,Du Q,Zhang H,Zhang L,Tong D

更新日期：2016-02-04 00:00:00

abstract：:As a vector of Xylella fastidiosa (Wells, 1987) in Europe, the meadow spittlebug Philaenus spumarius (Linnaeus, 1758) (Hemiptera, Aphrophoridae) is a species of major concern. Therefore, tools and agents to control this ubiquitous insect that develops and feeds on hundreds of plant species are wanted. We conducted a f...

journal_title：PeerJ

authors： Mesmin X,Chartois M,Genson G,Rossi JP,Cruaud A,Rasplus JY

更新日期：2020-03-24 00:00:00

abstract：:We investigated population dynamics, breeding pairs, breeding habitat selection, nest density, distance between neighboring nests, nest survival, reproductive success, and recruitment rate for Black-necked Cranes (BNC, Grus nigricollis) during 2013-2015 in Yanchiwan National Nature Reserve (YCW), Gansu, China. Numbers...

journal_title：PeerJ

authors： Zhang L,An B,Shu M,Yang X

更新日期：2017-01-31 00:00:00

abstract：:Substantial evidence has shown that most exogenous substances are metabolized by multiple cytochrome P450 (P450) enzymes instead of by merely one P450 isoform. Thus, multi-P450 inhibition leads to greater drug-drug interaction risk than specific P450 inhibition. Herein, we innovatively established an artificial neural...

journal_title：PeerJ

authors： Li Z,Li Y,Sun L,Tang Y,Liu L,Zhu W

更新日期：2015-12-21 00:00:00

abstract：Background:Ontario, Canada is home to eight native species of turtles; all eight are federally listed as Species At Risk, due to anthropogenic threats. However, until recently, reports of infectious disease have been lacking. Ranavirus is seen as an emerging threat for ectotherms globally, with mass die-offs most often...

journal_title：PeerJ

authors： Carstairs SJ

更新日期：2019-05-20 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：Objective:The N-methyl-D-aspartate subtype glutamate receptor antagonist ketamine has rapid antidepressant and antisuicidal effects in treating treatment-resistant bipolar depression (TRBD). The neurocognitive effects of repeated ketamine infusions in TRBD are not known. Methods:Six intravenous infusions of ketamine (...

journal_title：PeerJ

authors： Zheng W,Zhou YL,Wang CY,Lan XF,Zhang B,Yang MZ,Nie S,Ning YP

更新日期：2020-11-03 00:00:00

abstract：:Establishing a diverse gut microbiota after birth is being increasingly recognised as important for preventing illnesses later in life. It is well established that bacterial diversity rapidly increases post-partum; however, few studies have examined the infant gut virome/phageome during this developmental period. We p...

journal_title：PeerJ

authors： McCann A,Ryan FJ,Stockdale SR,Dalmasso M,Blake T,Ryan CA,Stanton C,Mills S,Ross PR,Hill C

更新日期：2018-05-07 00:00:00

abstract：:Footprint morphology (e.g., outline shape, depth of impression) is one of the key diagnostic features used in the interpretation of ancient vertebrate tracks. Over 80 tridactyl tracks, confined to the same bedding surface in the Lower Jurassic Elliot Formation at Mafube (eastern Free State, South Africa), show large s...

journal_title：PeerJ

authors： Sciscio L,Bordy EM,Reid M,Abrahams M

更新日期：2016-08-23 00:00:00

abstract：:In the Mississippi River Basin of North America, invasive bigheaded carp (silver carp Hypophthalmichthys molitrix and bighead carp H. nobilis, also referred to as Asian carp) have spread rapidly over the past several decades. In the Illinois River, an important tributary of the Upper Mississippi River, reproduction ap...

journal_title：PeerJ

authors： Gibson-Reinemer DK,Solomon LE,Pendleton RM,Chick JH,Casper AF

更新日期：2017-09-14 00:00:00

abstract：:Previous studies of population genetic structure in Dissostichus eleginoides have shown that oceanographic and geographic discontinuities drive in this species population differentiation. Studies have focused on the genetics of D. eleginoides in the Southern Ocean; however, there is little knowledge of their genetic v...

journal_title：PeerJ

authors： Canales-Aguirre CB,Ferrada-Fuentes S,Galleguillos R,Oyarzun FX,Hernández CE

更新日期：2018-01-16 00:00:00

abstract：:The study of vertebrate ontogenies has the potential to inform us of shared developmental patterns and processes among organisms. However, fossilised ontogenies of early vertebrates are extremely rare during the Palaeozoic Era. A growth series of the Late Devonian "acanthodian" Triazeugacanthus affinis, from the Migua...

journal_title：PeerJ

authors： Chevrinais M,Sire JY,Cloutier R

更新日期：2017-10-27 00:00:00

abstract：:Ichthyosaur fossils are abundant in Lower Jurassic sediments with nine genera found in the UK. In this paper, we describe the partial skeleton of a large ichthyosaur from the Lower Jurassic (lower Sinemurian) of Warwickshire, England, which was conserved and rearticulated to form the centrepiece of a new permanent gal...

journal_title：PeerJ

authors： Lomax DR,Porro LB,Larkin NR

更新日期：2019-01-08 00:00:00

abstract：:Inherent difficulties of tracking and observing organisms in the field often leave researchers with no choice but to conduct behavioral experiments under laboratory settings. However, results of laboratory experiments do not always translate accurately to natural conditions. A fundamental challenge in ecology is there...

journal_title：PeerJ

authors： Glon MG,Larson ER,Pangle KL

更新日期：2016-04-11 00:00:00

abstract：:According to the intelligence-creativity threshold hypothesis, there should be a positive association between intelligence and creative potential up to a certain point, the threshold, after which a further increase in intelligence should have no association with creativity. In the present simulation study, the measure...

journal_title：PeerJ

authors： Sorjonen K,Ingre M,Melin B

更新日期：2019-10-21 00:00:00

abstract：Background:DegS is a periplasmic serine protease that is considered to be the initiator of the σE stress response pathway, and this protein plays an important role in the regulation of the stress response in E. coli. However, knowledge of the biological function and global regulatory network of DegS in Vibrio cholerae ...

journal_title：PeerJ

authors： Huang J,Chen Y,Chen J,Liu C,Zhang T,Luo S,Huang M,Min X

更新日期：2019-10-23 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：:Estimating the depth of anaesthesia (DoA) in operations has always been a challenging issue due to the underlying complexity of the brain mechanisms. Electroencephalogram (EEG) signals are undoubtedly the most widely used signals for measuring DoA. In this paper, a novel EEG-based index is proposed to evaluate DoA for...

journal_title：PeerJ

authors： Liu Q,Ma L,Fan SZ,Abbod MF,Shieh JS

更新日期：2018-05-23 00:00:00

abstract：:Many migratory bird species show high levels of site fidelity to their wintering sites, which confers advantages due to prior knowledge, but may also limit the ability of the individual to move away from degrading sites or to detect alternative foraging opportunities. Winter site fidelity often varies among age groups...

journal_title：PeerJ

authors： Lourenço PM,Alves JA,Reneerkens J,Loonstra AJ,Potts PM,Granadeiro JP,Catry T

更新日期：2016-09-28 00:00:00

abstract：:This study aimed to characterize the antioxidant properties of Rama Forte persimmon, a tannin-rich fruit variety produced in Brazil. Extracts prepared with lyophilized pulps from fruits obtained in local markets were analyzed individually to evaluate the extent of antioxidant protection and investigate the antioxidant...

journal_title：PeerJ

authors： Dalvi LT,Moreira DC,Alonso A,de Avellar IGJ,Hermes-Lima M

更新日期：2018-07-25 00:00:00

abstract：:The proportion of females calving (PFC) each year has been employed as an indicator of population reproductive performance in ungulates, especially for species that breed annually, because it requires less detailed population data than inter-birthing intervals and age at first reproduction. For asynchronous breeders w...

journal_title：PeerJ

authors： Law PR,Fike B

更新日期：2018-08-15 00:00:00

abstract：Background:The Mountain Pygmy-possum (Burramys parvus) is a critically endangered marsupial, endemic to alpine regions of southern Australia. We investigated the diet of a recently discovered population of the possum in northern Kosciuszko National Park, NSW, Australia. This new population occurs at elevations well bel...

journal_title：PeerJ

authors： Hawke T,Bates H,Hand S,Archer M,Broome L

更新日期：2019-01-24 00:00:00

abstract：:Populations of passively dispersed organisms in continental aquatic habitats typically show high levels of neutral genetic differentiation despite their high dispersal capabilities. Several evolutionary factors, including founder events, local adaptation, and life cycle features such as high population growth rates an...

journal_title：PeerJ

authors： Montero-Pau J,Gómez A,Serra M

更新日期：2018-12-11 00:00:00

abstract：Purpose:This study aimed to examine differences between track and field (T&F) runners and foot-orienteers (Foot-O) in the walking and running tests in the absence of vision and hearing. We attempted to determine whether experienced foot orienteers show better ability to maintain the indicated direction compared to trac...

journal_title：PeerJ

authors： Machowska W,Cych P,Siemieński A,Migasiewicz J

更新日期：2019-09-26 00:00:00

abstract：Background:Skeletal muscle wound healing is dependent on complex interactions between fibroblasts, myofibroblasts, myogenic cells, and cytokines, such as TGF-β1. This study sought to clarify the impact of TGF-β1 signaling on skeletal muscle cells and discern between the individual contributions of fibroblasts and myofi...

journal_title：PeerJ

authors： Krieger J,Park BW,Lambert CR,Malcuit C

更新日期：2018-07-11 00:00:00

abstract：BACKGROUND:Aspergillus niger, along with many other lignocellulolytic fungi, has been widely used as a commercial workhorse for cellulase production. A fungal cellulase system generally includes three major classes of enzymes i.e., β-glucosidases, endoglucanases and cellobiohydrolases. Cellobiohydrolases (CBH) are vita...

journal_title：PeerJ

authors： Woon JS,Mackeen MM,Illias RM,Mahadi NM,Broughton WJ,Murad AMA,Abu Bakar FD

更新日期：2017-10-12 00:00:00

abstract：BACKGROUND:In previous studies, both 17β-estradiol (E2) and resveratrol (RES) were reported to protect intervertebral disc cells against aberrant apoptosis. Given that E2 has a better anti-apoptotic effect with more cancer risk and RES has an anti-apoptotic effect with less cancer risk, the combined use of E2 with RES ...

journal_title：PeerJ

authors： Yang SD,Ma L,Yang DL,Ding WY

更新日期：2016-01-26 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：Background:The meat quality of yellow feathered broilers is better than the quality of its production. Growth traits are important in the broiler industry. The exploration of regulation mechanisms for the skeletal muscle would help to increase the growth performance of chickens. At present, some progress has been made ...

journal_title：PeerJ

authors： Wu P,Zhang X,Zhang G,Chen F,He M,Zhang T,Wang J,Xie K,Dai G

更新日期：2020-04-15 00:00:00