Tandem-repeat protein domains across the tree of life.

abstract：:Resistance strategies of clonal organs, and parent and offspring shoots of Phragmites australis (common reed) to heavy metal pollution in soils are not well known. To clarify the tolerance or resistance strategies in reeds, we conducted a pot experiment with five levels of Pb concentration (0∼4,500 mg kg-1) in flood a...

journal_title：PeerJ

authors： Zhang N,Zhang J,Li Z,Chen J,Zhang Z,Mu C

更新日期：2018-01-03 00:00:00

abstract：:Mega-journals are a new kind of scholarly journal made possible by electronic publishing. They are open access (OA) and funded by charges, which authors pay for the publishing services. What distinguishes mega-journals from other OA journals is, in particular, a peer review focusing only on scientific trustworthiness....

journal_title：PeerJ

authors： Björk BC

更新日期：2018-02-09 00:00:00

abstract：:Seymouria is the best known of the seymouriamorphs, a group of Permo-Carboniferous reptiliomorphs with both terrestrial and aquatic taxa. The majority of research on Seymouria has focused on cranial anatomy, with few detailed descriptions or illustrations of the postcrania. We utilized neutron computed tomography (nCT...

journal_title：PeerJ

authors： Bazzana KD,Gee BM,Bevitt JJ,Reisz RR

更新日期：2020-03-10 00:00:00

abstract：:Supertree methods enable the reconstruction of large phylogenies. The supertree problem can be formalized in different ways in order to cope with contradictory information in the input. Some supertree methods are based on encoding the input trees in a matrix; other methods try to find minimum cuts in some graph. Recen...

journal_title：PeerJ

authors： Fleischauer M,Böcker S

更新日期：2018-06-08 00:00:00

abstract：Background:Hair follicles in cashmere goats are divided into primary and secondary hair follicles (HFs). HF development, which determines the morphological structure, is regulated by a large number of vital genes; however, the key functional genes and their interaction networks are still unclear. Although the vitamin D...

journal_title：PeerJ

authors： Gao Y,Jin M,Niu Y,Yan H,Zhou G,Chen Y

更新日期：2019-07-03 00:00:00

abstract：:Urmia Lake, the largest natural habitat of the brine shrimp Artemia urmiana, has progressively desiccated over the last two decades, resulting in a loss of 80% of its surface area and producing thousands of hectares of arid salty land. This ecological crisis has seriously affected the lake's native biodiversity. Artem...

journal_title：PeerJ

authors： Asem A,Eimanifar A,van Stappen G,Sun SC

更新日期：2019-07-02 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：:The mitochondrial genome (mitogenome) sequence of the tree frog Polypedates megacephalus (16,473 bp) was previously reported as having the unusual characteristic of lacking the ND5 gene. In this study, a new mitogenome of P. megacephalus (19,952 bp) was resequenced using the next-generation sequencing (NGS) and standa...

journal_title：PeerJ

authors： Huang A,Liu S,Li H,Luo H,Ni Q,Yao Y,Xu H,Zeng B,Li Y,Wei Z,Li S,Zhang M

更新日期：2019-08-01 00:00:00

abstract：Background:Fruit consumption is currently considered beyond the nutritional aspects because of the important roles in disease prevention and benefits to health. The objective of this study was to characterize the chemical profile and evaluate the antioxidant and antimicrobial properties of different fractions obtained ...

journal_title：PeerJ

authors： Nonato CFA,Leite DOD,Pereira RC,Boligon AA,Ribeiro-Filho J,Rodrigues FFG,da Costa JGM

更新日期：2018-11-28 00:00:00

abstract：:Excessive amounts of sewage sludge produced in sewage treatment plants along with the ban on its storage and dumping require rapid solutions to the problem of sewage sludge management. An example of a rational and environmentally viable method may be provided by its application in agriculture and environmental managem...

journal_title：PeerJ

authors： Panasiewicz K,Niewiadomska A,Sulewska H,Wolna-Maruwka A,Borowiak K,Budka A,Ratajczak K

更新日期：2019-03-11 00:00:00

abstract：:A striking and unexpected biochemical phenotype was found in an insertion mutant line in the model plant Arabidopsis thaliana. One of two investigated insertion mutant lines in the gene encoding the phosphate transporter PHT4;1 demonstrated a prominent loss of trienoic fatty acids, whereas the other insertion line was...

journal_title：PeerJ

authors： Nilsson AK,Andersson MX

更新日期：2017-12-01 00:00:00

abstract：:In this study, we demonstrated the successful transformation of two pea (Pisum sativum L.) cultivars using Agrobacterium rhizogenes, whereby transgenic roots in the resulting composite plants showed expression of the gene encoding the green fluorescent protein. Subsequent to infection with A. rhizogenes, approximately...

journal_title：PeerJ

authors： Leppyanen IV,Kirienko AN,Dolgikh EA

更新日期：2019-03-06 00:00:00

abstract：Background:Oral squamous cell carcinoma (OSCC) is a major lethal malignant cancer of the head and neck region, yet its molecular mechanisms of tumourigenesis are still unclear. Patients and methods:We performed weighted gene co-expression network analysis (WGCNA) on RNA-sequencing data with clinical information obtain...

journal_title：PeerJ

authors： Hu X,Sun G,Shi Z,Ni H,Jiang S

更新日期：2020-02-04 00:00:00

abstract：Background:Circadian genes have been suggested to play an important role in lung pathology. However, it remains unknown whether polymorphisms of these genes are associated with chronic obstructive pulmonary disease (COPD). Here, we aimed to investigate the association of circadian genes polymorphisms with COPD in a cas...

journal_title：PeerJ

authors： Chen G,Zhang J,Zhang L,Xiong X,Yu D,Zhang Y

更新日期：2020-08-27 00:00:00

abstract：BACKGROUND:Staphylococci are commensals of the mucosal surface and skin of humans and animals, but have been implicated in infections such as otitis externa, pyoderma, urinary tract infections and post-surgical complications. Laboratory records provide useful information to help investigate these infections. Therefore,...

journal_title：PeerJ

authors： Qekwana DN,Oguttu JW,Sithole F,Odoi A

更新日期：2017-04-13 00:00:00

abstract：Background:During a preliminary study, effects of 0, 20, 40, and 60 mM NaCl salinity were assessed on germination rate in relation to electrolyte leakage (EL) in sweet pepper. Results explored significant rises in ethylene evolution from seeds having more EL. It was, therefore, hypothesized that excessive ethylene bios...

journal_title：PeerJ

authors： Ahmed W,Imran M,Yaseen M,Haq TU,Jamshaid MU,Rukh S,Ikram RM,Ali M,Ali A,Maqbool M,Arif M,Khan MA

更新日期：2020-03-27 00:00:00

abstract：:The Hydroporus memnonius species group includes both widespread and range restricted diving beetle taxa in the western Palaearctic, some of which have been divided into a number of geographical subspecies. Of these, Hydroporus necopinatus is distributed in the far west of Europe, from central Spain to southern Britain...

journal_title：PeerJ

authors： Bilton DT,Turner L,Foster GN

更新日期：2017-03-09 00:00:00

abstract：:Amphibian populations are highly vulnerable to road mortality and habitat fragmentation caused by road networks. Wildlife road tunnels are considered the most promising road mitigation measure for amphibians yet generally remain inadequately monitored, resulting in mixed success rates in the short-term and uncertain c...

journal_title：PeerJ

authors： Matos C,Petrovan S,Ward AI,Wheeler P

更新日期：2017-02-28 00:00:00

abstract：Background:The effect of fat tissue on a developing individual is fundamentally different from the effect on an adult. Several changes caused by obesity during sexual maturation have an irreversible and severe negative effect (lower fertility, reduced final height, type 2 diabetes mellitus) even for those who have subs...

journal_title：PeerJ

authors： Novak JM,Bruzek J,Zamrazilova H,Vankova M,Hill M,Sedlak P

更新日期：2020-05-11 00:00:00

abstract：:Here we provide evidence to support an extension of the recognized distributional range of the Mountain Elaenia (Elaenia frantzii) to include southern Mexico. We collected two specimens in breeding condition in northwestern Sierra Norte de Chiapas, Mexico. Morphologic and genetic evidence support their identity as Ela...

journal_title：PeerJ

authors： Hanna ZR,Ortiz-Ramírez MF,Ríos-Muñoz CA,Cayetano-Rosas H,Bowie RC,Navarro-Sigüenza AG

更新日期：2016-02-01 00:00:00

abstract：:Miniature inverted-repeat transposable elements (MITEs) have been associated with genic regions in plant genomes and may play important roles in the regulation of nearby genes via recruitment of small RNAs (sRNA) to the MITEs loci. We identified eight families of MITEs in the sugarcane genome assembly with MITE-Hunter...

journal_title：PeerJ

authors： Grativol C,Thiebaut F,Sangi S,Montessoro P,Santos WDS,Hemerly AS,Ferreira PCG

更新日期：2019-01-11 00:00:00

abstract：:Philodendron is the second most diverse genus of the Araceae, a tropical monocot family with significant morphological diversity along its wide geographic distribution in the Neotropics. Although evolutionary studies of Philodendron were conducted in recent years, the phylogenetic relationship among its species remain...

journal_title：PeerJ

authors： Loss-Oliveira L,Sakuragui C,Soares Mde L,Schrago CG

更新日期：2016-03-24 00:00:00

abstract：Background:Conserved nucleic acid sequences play an essential role in transcriptional regulation. The motifs/templates derived from nucleic acid sequence datasets are usually used as biomarkers to predict biochemical properties such as protein binding sites or to identify specific non-coding RNAs. In many cases, templa...

journal_title：PeerJ

authors： Peng H

更新日期：2020-04-20 00:00:00

abstract：:Stridulatory signals are involved in conspecific interactions between bark beetles (Coleoptera: Curculionidae, Scolytinae). In this study, we compared the qualitative profiles of acoustic signals in three species from the genus Polygraphus Er. Sympatry can be periodically observed in two of them -P. proximus and P. su...

journal_title：PeerJ

authors： Kerchev IA

更新日期：2020-01-02 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:Rare or narrowly endemic organisms are difficult to monitor and conserve when their total distribution and habitat preferences are incompletely known. One method employed in determining distributions of these organisms is species distribution modeling (SDM). METHODS:Using two species of narrowly endemic bur...

journal_title：PeerJ

authors： Rhoden CM,Peterman WE,Taylor CA

更新日期：2017-07-31 00:00:00

abstract：:In a number of recent studies we used computer modeling to investigate the evolution of muscle leverage (moment arms) and function in extant and extinct archosaur lineages (crocodilians, dinosaurs including birds and pterosaurs). These studies sought to quantify the level of disparity and convergence in muscle moment ...

journal_title：PeerJ

authors： Bates K,Maidment SC,Schachner ER,Barrett PM

更新日期：2015-10-08 00:00:00

abstract：Background:Dinoflagellates have the potential to pose severe ecological and economic damages to aquatic ecosystems. It is therefore largely needed to understand the causes and consequences of distribution patterns of dinoflagellate communities in order to manage potential environmental problems. However, a majority of ...

journal_title：PeerJ

authors： Gao Y,Chen Y,Xiong W,Li S,Zhan A

更新日期：2019-04-09 00:00:00

abstract：:We present a new supertree method that enables rapid estimation of a summary tree on the scale of millions of leaves. This supertree method summarizes a collection of input phylogenies and an input taxonomy. We introduce formal goals and criteria for such a supertree to satisfy in order to transparently and justifiabl...

journal_title：PeerJ

authors： Redelings BD,Holder MT

更新日期：2017-03-01 00:00:00

abstract：Background:The influenza virus can cause seasonal infections with mild to severe symptoms, circulating worldwide, and it can affect people in any age group. Therefore, this infection is a serious public health problem that causes severe illness and death in high-risk populations. Every year, 0.5% of the world's populat...

journal_title：PeerJ

authors： Silva T,S Salomon P,Hamerski L,Walter J,B Menezes R,Siqueira JE,Santos A,Santos JAM,Ferme N,Guimarães T,O Fistarol G,I Hargreaves P,Thompson C,Thompson F,Souza TM,Siqueira M,Miranda M

更新日期：2018-10-26 00:00:00