Evidence for the Cretaceous shark Cretoxyrhina mantelli feeding on the pterosaur Pteranodon from the Niobrara Formation.

abstract：:Despite being geographically central to the Atlantic Americas Flyway for migratory birds, the Caribbean is often overlooked or underappreciated when addressing the conservation of North American shorebirds. To our knowledge, this is the first Caribbean-wide assessment of shorebird use in the region. We analyzed 211,01...

journal_title：PeerJ

authors： Cañizares JR,Reed JM

更新日期：2020-09-08 00:00:00

abstract：:The threatened status (both ecologically and legally) of Caribbean staghorn coral, Acropora cervicornis, has prompted rapidly expanding efforts in culture and restocking, although tissue loss diseases continue to affect populations. In this study, disease surveillance and histopathological characterization were used t...

journal_title：PeerJ

authors： Miller MW,Lohr KE,Cameron CM,Williams DE,Peters EC

更新日期：2014-08-28 00:00:00

abstract：:The Pomacentridae (damselfish) and Apogonidae (cardinalfish) are among the most common fish families on coral reefs and in the aquarium trade. Members of both families undergo a pelagic larvae phase prior to settlement on the reef, where adults play key roles in benthic habitat structuring and trophic interactions. Fi...

journal_title：PeerJ

authors： Parris DJ,Brooker RM,Morgan MA,Dixson DL,Stewart FJ

更新日期：2016-08-31 00:00:00

abstract：Background:Mimusops coriacea (A.DC.) Miq., (Sapotaceae), originated from Africa, were introduced to coastal areas in Ecuador where it is not extensively used as a traditional medicine to treat various human diseases. Different therapeutically uses of the species include: analgesic, antimicrobial, hypoglycemic, inflamma...

journal_title：PeerJ

authors： Bustamante K,Santos-Ordóñez E,Miranda M,Pacheco R,Gutiérrez Y,Scull R

更新日期：2019-10-11 00:00:00

abstract：:With the increased availability of genome sequences for bacteria, it has become routine practice to construct genome-based phylogenies. These phylogenies have formed the basis for various taxonomic decisions, especially for resolving problematic relationships between taxa. Despite the popularity of concatenating share...

journal_title：PeerJ

authors： Palmer M,Venter SN,McTaggart AR,Coetzee MPA,Van Wyk S,Avontuur JR,Beukes CW,Fourie G,Santana QC,Van Der Nest MA,Blom J,Steenkamp ET

更新日期：2019-04-16 00:00:00

abstract：BACKGROUND:Parasites are essential components of natural communities, but the factors that generate skewed distributions of parasite occurrences and abundances across host populations are not well understood. METHODS:Here, we analyse at a seascape scale the spatiotemporal relationships of parasite exposure and host bo...

journal_title：PeerJ

authors： Rodríguez SM,Valdivia N

更新日期：2017-08-17 00:00:00

abstract：:Knowledge about the distribution and habitat preferences of a species is critical for its conservation. The Suweon Treefrog (Dryophytes suweonensis) is an endangered species endemic to the Republic of Korea. We conducted surveys from 2014 to 2016 at 890 potentially suitable sites across the entire range of the species...

journal_title：PeerJ

authors： Borzée A,Kim K,Heo K,Jablonski PG,Jang Y

更新日期：2017-10-04 00:00:00

abstract：BACKGROUND:Because etomidate induces prolonged adrenal suppression, even following a single bolus, its use as an infused anesthetic is limited. Our previous study indicated that a single administration of the novel etomidate analog methoxyethyletomidate hydrochloride (ET-26-HCl) shows little suppression of adrenocortic...

journal_title：PeerJ

authors： Jiang J,Wang B,Zhu Z,Yang J,Liu J,Zhang W

更新日期：2017-09-04 00:00:00

abstract：Background:Acute infective gastroenteritis (AIG) is a leading cause of mortality in children worldwide. In Peru, more than 40% of cases of AIG occurring in children under 5 years old. The disruption of the gut microbiota can increase risk for several health complications especially in patients with gastric infections c...

journal_title：PeerJ

authors： Taco-Masias AA,Fernandez-Aristi AR,Cornejo-Tapia A,Aguilar-Luis MA,Del Valle LJ,Silva-Caso W,Zavaleta-Gavidia V,Weilg P,Cornejo-Pacherres H,Bazán-Mayra J,Puyen ZM,Del Valle-Mendoza J

更新日期：2020-11-03 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:Evidences indicated that non-small-cell lung cancer (NSCLC) and small-cell lung cancer (SCLC) might originate from the same cell type, which however ended up to be two different subtypes of lung carcinoma, requiring different therapeutic regimens. We aimed to identify the differences between these two subtyp...

journal_title：PeerJ

authors： Wu J,Hao Z,Ma C,Li P,Dang L,Sun S

更新日期：2020-04-23 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. India accounts for 24% to all under-five mortality in the world. Residence in rural area, poverty and low levels of mother's education are known confounders of under-five mortality. Since two-thirds of India's population lives in rural areas, mothers employed in agriculture present a particularly vulnerabl...

journal_title：PeerJ

authors： Singh R,Tripathi V

更新日期：2015-01-08 00:00:00

abstract：BACKGROUND:Recent climatic history has strongly impacted plant populations, but little is known about its effect on microbes. Alders, which host few and specific symbionts, have high genetic diversity in glacial refugia. Here, we tested the prediction that communities of root symbionts survived in refugia with their ho...

journal_title：PeerJ

authors： Roy M,Pozzi AC,Gareil R,Nagati M,Manzi S,Nouioui I,Sharikadze N,Jargeat P,Gryta H,Moreau PA,Fernandez MP,Gardes M

更新日期：2017-07-18 00:00:00

abstract：:Insect pollinators provide an essential ecosystem service by transferring pollen to crops and native vegetation. The extent to which pollinator communities vary both spatially and temporally has important implications for ecology, conservation and agricultural production. However, understanding the complex interaction...

journal_title：PeerJ

authors： Willcox BK,Robson AJ,Howlett BG,Rader R

更新日期：2018-10-19 00:00:00

abstract：:Language WorkBenches (LWBs) are software engineering tools that help domain experts develop solutions to various classes of problems. Some of these tools focus on non-technical users and provide languages to help organize knowledge while other workbenches provide means to create new programming languages. A key advant...

journal_title：PeerJ

authors： Simi M,Campagne F

更新日期：2014-01-02 00:00:00

abstract：:Many marine biology studies depend on field work on ships or remote sampling locations where sophisticated sample preservation techniques (e.g., high-pressure freezing) are often limited or unavailable. Our aim was to optimize the ultrastructural preservation of marine invertebrates, especially when working in the fie...

journal_title：PeerJ

authors： Montanaro J,Gruber D,Leisch N

更新日期：2016-03-31 00:00:00

abstract：:Soil microbial communities are continuously exposed to H2 diffusing into the soil from the atmosphere. N2-fixing nodules represent a peculiar microniche in soil where H2 can reach concentrations up to 20,000 fold higher than in the global atmosphere (0.530 ppmv). In this study, we investigated the impact of H2 exposur...

journal_title：PeerJ

authors： Piché-Choquette S,Tremblay J,Tringe SG,Constant P

更新日期：2016-03-10 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：:Despite the local and global importance of forests, deforestation is driven by various socio-economic and biophysical factors continues in many countries. In Nepal, in response to massive deforestation, the community forestry program has been implemented to reduce deforestation and support livelihoods. After four deca...

journal_title：PeerJ

authors： Shrestha S,Shrestha UB,Bawa K

更新日期：2018-05-29 00:00:00

abstract：:Protoporphyrin (PP) and biliverdin (BV) give rise to the enormous diversity in avian egg coloration. Egg color serves several ecological purposes, including post-mating signaling and camouflage. Egg camouflage represents a major character of open-nesting birds which accomplish protection of their unhatched offspring a...

journal_title：PeerJ

authors： Wiemann J,Yang TR,Sander PN,Schneider M,Engeser M,Kath-Schorr S,Müller CE,Sander PM

更新日期：2017-08-29 00:00:00

abstract：:Porcine epidemic diarrhea virus (PEDV) outbreaks on pig farms have caused significant economic loss in the swine industry since it was first reported in Thailand a decade ago. Anecdotal evidence suggests that PEDV is now endemic in this region, therefore genome information of circulating PEDV is important for molecula...

journal_title：PeerJ

authors： Tuanthap S,Vongpunsawad S,Phupolphan C,Duang-In A,Wattanaphansak S,Assavacheep P,Theamboonlers A,Luengyosluechakul S,Amonsin A,Poovorawan Y

更新日期：2019-04-30 00:00:00

abstract：:N-Acetyl-p-Aminophenol (APAP), also known as acetaminophen, is the most commonly used over-the counter analgesic and antipyretic medication. However, its overdose leads to both liver and kidney damage. APAP-induced toxicity is considered as one of the primary causes of acute liver failure; numerous scientific reports ...

journal_title：PeerJ

authors： Karthivashan G,Kura AU,Arulselvan P,Md Isa N,Fakurazi S

更新日期：2016-07-07 00:00:00

abstract：Background:Endometrial cancer poses a serious threat to women's health worldwide, and its pathogenesis, although actively explored, is not fully understood. DLGAP5 is a recently identified cell cycle-regulation gene not reported in endometrial cancer. This study was aiming to analyze the role of DLGAP5 in tumorigenesis...

journal_title：PeerJ

authors： Zheng R,Shi Z,Li W,Yu J,Wang Y,Zhou Q

更新日期：2020-11-27 00:00:00

abstract：:Environmental heterogeneity affects not only the distribution of a species but also its local abundance. High heterogeneity due to habitat alteration and fragmentation can influence the realized niche of a species, lowering habitat suitability as well as reducing local abundance. We investigate whether a relationship ...

journal_title：PeerJ

authors： Basile M,Valerio F,Balestrieri R,Posillico M,Bucci R,Altea T,De Cinti B,Matteucci G

更新日期：2016-09-08 00:00:00

abstract：Background:The family of true seals, the Phocidae, is subdivided into two subfamilies: the southern Monachinae, and the northern Phocinae, following the subfamilies' current distribution: extant Monachinae are largely restricted to the (sub-)Antarctic and the eastern Pacific, with historical distributions of the monk s...

journal_title：PeerJ

authors： Dewaele L,Lambert O,Louwye S

更新日期：2018-10-09 00:00:00

abstract：:Nephila clavata L Koch, known as the Joro spider and native to East Asia (Japan, China, Korea, and Taiwan), is newly reported from North America. Specimens from several locations in northeast Georgia were collected from around residential properties in Barrow, Jackson, and Madison counties in late October and early No...

journal_title：PeerJ

authors： Hoebeke ER,Huffmaster W,Freeman BJ

更新日期：2015-02-05 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 mangrove crab Ucides cordatus is considered a key species for the ecological balance of mangrove forests and a major source of employment and income for traditional crab collectors in Brazil. Several studies evidenced weak genetic variation among populations due to an efficient larval transport. However,...

journal_title：PeerJ

authors： Britto FB,Schmidt AJ,Carvalho AMF,Vasconcelos CCMP,Farias AM,Bentzen P,Diniz FM

更新日期：2018-04-30 00:00:00

abstract：Background:Electrochemical signals play an important role in cell communication and behavior. Electrically charged ions transported across cell membranes maintain an electrochemical imbalance that gives rise to bioelectric signaling, called membrane potential or Vmem. Vmem plays a key role in numerous inter- and intrac...

journal_title：PeerJ

authors： Bhavsar MB,Cato G,Hauschild A,Leppik L,Costa Oliveira KM,Eischen-Loges MJ,Barker JH

更新日期：2019-02-08 00:00:00