Multimode ultrasonic technique is recommended for the differential diagnosis of thyroid cancer.

abstract：:Based on concordant differences in male advertisement call, tadpole morphology, and absence of haplotype sharing in the barcoding 16S mitochondrial DNA, we describe here a new species of spotted leaf frog of the genus Phasmahyla from Atlantic Forest, State of Rio de Janeiro, Southeast Brazil. The new species is most s...

journal_title：PeerJ

authors： Pereira EA,Rocha LCL,Folly H,da Silva HR,Santana DJ

更新日期：2018-05-30 00:00:00

abstract：:The genus Pseudostegana (Okada, 1978) currently contains thirty-nine described species. A number of Pseudostegana were collected from the fieldwork in southwestern China from 2010 to 2017. Eleven new species were discovered and are described from southwestern China: Pseudostegana alpina Zhang & Chen, sp. nov.; Pseudos...

journal_title：PeerJ

authors： Lu J,Zhang Y,Chen H

更新日期：2018-09-05 00:00:00

abstract：Background:Fatigue influences athletic performance and can also increase the risk of injury in sports, and most of the methods to evaluate it require an additional voluntary effort. Tensiomyography (TMG), which uses electrical stimulation and a displacement sensor to evaluate muscle contraction properties of one or mor...

journal_title：PeerJ

authors： Martín-San Agustín R,Medina-Mirapeix F,Casaña-Granell J,García-Vidal JA,Lillo-Navarro C,Benítez-Martínez JC

更新日期：2020-02-28 00:00:00

abstract：:The ubiquitin-proteasome system targets misfolded proteins for degradation. Since the accumulation of such proteins is potentially harmful for the cell, their prompt removal is important. E3 ubiquitin-protein ligases mediate substrate ubiquitination by bringing together the substrate with an E2 ubiquitin-conjugating e...

journal_title：PeerJ

authors： Boomsma W,Nielsen SV,Lindorff-Larsen K,Hartmann-Petersen R,Ellgaard L

更新日期：2016-02-25 00:00:00

abstract：:The MYB transcription factor family is one of the largest gene families playing regulatory roles in plant growth and development. The MYB family has been studied in a variety of plant species but has not been reported in Taxus chinensis. Here we identified 72 putative R2R3-MYB genes in T. chinensis using a comprehensi...

journal_title：PeerJ

authors： Hu X,Zhang L,Wilson I,Shao F,Qiu D

更新日期：2020-02-17 00:00:00

abstract：BACKGROUND:Assessing psychological pain has been recommended as an integral part of a comprehensive suicide risk assessment. The Psychache Scale, an established measure of psychological pain, does not specify a time frame for when pain is experienced, which may inadvertently increase the likelihood of identifying indiv...

journal_title：PeerJ

authors： Meerwijk EL,Weiss SJ

更新日期：2017-06-22 00:00:00

abstract：:Microbial transglutaminase (mTG) was used as a crosslinking agent in the preparation of gelatin sponges. The physical properties of the materials were evaluated by measuring their material porosity, water absorption, and elastic modulus. The stability of the sponges were assessed via hydrolysis and enzymolysis. To stu...

journal_title：PeerJ

authors： Long H,Ma K,Xiao Z,Ren X,Yang G

更新日期：2017-08-09 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：Background:Begomoviruses are widely distributed and causing devastating diseases in many crops. According to the number of genomic components, a begomovirus is known as either monopartite or bipartite begomovirus. Both the monopartite and bipartite begomoviruses have the DNA-A component which encodes all essential prot...

journal_title：PeerJ

authors： Pei S,Dong R,Bao Y,He RL,Yau SS

更新日期：2020-08-03 00:00:00

abstract：:Although many ecologists focus on the relationship between species richness (S) and evenness (E), conflicts between observation and theory are difficult to reconcile. Empirical S-E relationships were not consistent, while relationships show strong correlation between S and E. Since E essentially depended on the relati...

journal_title：PeerJ

authors： Su Q

更新日期：2018-06-12 00:00:00

abstract：:The enhanced ability to direct sexual reproduction may lead to improved restoration outcomes for Acropora cervicornis. Gravid fragments of A. cervicornis were maintained in a laboratory for two sequential trials in the seven days prior to natural spawning in the Florida Keys. Ten replicates of five chemicals known to ...

journal_title：PeerJ

authors： Flint M,Than JT

更新日期：2016-04-26 00:00:00

abstract：:Amazonian bamboo forests dominated by large woody bamboo plants in the genus Guadua cover approximately 180,000 km2 and represent a key resource for many organisms. In southwestern Amazonia, native bamboo forests differ in structure, biodiversity, and growth dynamics from other forest types in the region. However, wit...

journal_title：PeerJ

authors： Jacobs JM,von May R,Kavanaugh DH,Connor EF

更新日期：2018-07-03 00:00:00

abstract：Background:Cyclin A overexpression is found in a variety of human tumors and correlates with unfavorable outcome. We analyzed immunohistochemical expression of cyclin A in Wilms tumor (WT) in relation to clinicopathological characteristics, preoperative chemotherapy (PrOpChTh), and overall survival (OS). Methods:This ...

journal_title：PeerJ

authors： Radojević-Škodrić S,Brašanac D,Đuričić SM,Glumac S,Lončar Z,Pavlović I,Todorović A,Nikolić G,Baralić I,Pejić S

更新日期：2019-01-11 00:00:00

abstract：:Methionine (Met) is an essential sulfur-containing amino acid in animals. Cereal and legume crops with limiting levels of Met represent the major food and feed sources for animals. In plants, cystathionine gamma-synthase (CGS), methionine methyltransferase (MMT) and homocysteine methyltransferase (HMT) are committing ...

journal_title：PeerJ

authors： Zhao M,Wang W,Wei L,Chen P,Yuan F,Wang Z,Ying X

更新日期：2018-12-04 00:00:00

abstract：Background:Kinorhynchs are marine, microscopic invertebrates inhabiting the seafloors. Their segmented trunk equipped with spines and processes has inspired scientists to give them the common name "mud dragons." Even though kinorhynchs have been known since the 19th century, less than 300 species are known to science, ...

journal_title：PeerJ

authors： Sørensen MV,Grzelak K

更新日期：2018-09-28 00:00:00

abstract：:Fungi play a critical role in a range of ecosystems; however, their interactions and functions in marine hosts, and particular sponges, is poorly understood. Here we assess the fungal community composition of three co-occurring sponges (Cymbastela concentrica, Scopalina sp., Tedania anhelans) and the surrounding seawa...

journal_title：PeerJ

authors： Nguyen MTHD,Thomas T

更新日期：2018-06-04 00:00:00

abstract：:Wild edible mushrooms have been collected and consumed by human groups for centuries, and today they represent a relevant source of food and income for many rural families worldwide. Preserving these non-timber forest products is of great interest, and there is concern about the damage caused by intensive mushroom har...

journal_title：PeerJ

authors： Ruiz-Almenara C,Gándara E,Gómez-Hernández M

更新日期：2019-12-18 00:00:00

abstract：:Kenaf (Hibiscus cannabinus L.) is a fibrous crop, grown in tropical climate having huge biomass and can be a good candidate for the phytoremediation of different heavy metals. Consequently, the present study was conducted to explore morpho-physiological traits, photosynthetic pigments, gaseous exchange attributes, ant...

journal_title：PeerJ

authors： Saleem MH,Fahad S,Rehman M,Saud S,Jamal Y,Khan S,Liu L

更新日期：2020-01-30 00:00:00

abstract：:Diffuse sources of pollution like agricultural or urban runoff are important factors in determining the quality of surface waters, although they are more difficult to monitor than point sources. The objective of our study was to verify assumptions that the inflow from agricultural nutrient sources is higher than from ...

journal_title：PeerJ

authors： Matej-Lukowicz K,Wojciechowska E,Nawrot N,Dzierzbicka-Głowacka LA

更新日期：2020-02-06 00:00:00

abstract：:Wing pigmentation in Calopteryx damselflies, caused by the deposition of melanin, is energetically expensive to produce and enhances predation risk. However, patterns of melanisation are used in species identification, greater pigmentation is an accurate signal of male immune function in at least some species, and the...

journal_title：PeerJ

authors： Hassall C

更新日期：2014-06-10 00:00:00

abstract：Background:Development of incisional complications following ventral median celiotomy might depend on suture pattern for skin closure. Methods:In this prospective study, 21 healthy male horses underwent celiotomy. Skin closure was either performed via a continuous percutaneous pattern (CO group; 5 warmbloods/5 ponies)...

journal_title：PeerJ

authors： Scharner D,Gittel C,Winter K,Blaue D,Schedlbauer C,Vervuert I,Brehm W

更新日期：2018-11-09 00:00:00

abstract：:We describe a new iguanodontian ornithopod, Choyrodon barsboldi gen. et sp. nov. from the Albian-aged Khuren Dukh Formation of Mongolia based on several partial skeletons interpreted to represent a subadult growth stage based on osteohistological features. This new taxon is diagnosed by many autapomorphies of the maxi...

journal_title：PeerJ

authors： Gates TA,Tsogtbaatar K,Zanno LE,Chinzorig T,Watabe M

更新日期：2018-08-03 00:00:00

abstract：:As conspicuous modular components of benthic marine habitats, gorgonian (sea fan) octocorals have perplexed taxonomists for centuries through their shear diversity, particularly throughout the Indo-Pacific. Phenotypic incongruence within and between seemingly unitary lineages across contrasting environments can provid...

journal_title：PeerJ

authors： Rowley SJ,Pochon X,Watling L

更新日期：2015-08-20 00:00:00

abstract：:Management of low-mobility or benthic fisheries is a difficult task because variation in the spatial distribution and population dynamics of the resources make the monitoring and assessment of these fisheries challenging. We assumed that environmental, spatial, and temporal factors can contribute to the variability of...

journal_title：PeerJ

authors： Murillo-Posada JC,Salas S,Velázquez-Abunader I

更新日期：2019-07-08 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：: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:Amoebiasis is the third most common parasitic cause of morbidity and mortality, particularly in countries with poor hygienic settings. There exists an ambiguity in the diagnosis of amoebiasis, and hence there arises a necessity for a better diagnostic approach. Serine-rich Entamoeba histolyticaprotein (SREHP...

journal_title：PeerJ

authors： Manochitra K,Parija SC

更新日期：2017-06-28 00:00:00

abstract：:Recent improvements in next-generation sequencing (NGS) technologies can facilitate the obtainment of mitochondrial genomes. However, it is not clear whether NGS could be effectively used to reconstruct the mitogenome with high gene rearrangement. These high rearrangements would cause amplification failure, and/or ass...

journal_title：PeerJ

authors： Yuan S,Xia Y,Zheng Y,Zeng X

更新日期：2016-12-15 00:00:00

abstract：Background:Quantifying lower-limb load and asymmetry during team sport match-play may be important for injury prevention and understanding performance. However, current analysis methods of lower-limb symmetry during match-play employ wearable microtechnology that may not be best suited to the task. A popular microtechn...

journal_title：PeerJ

authors： Glassbrook DJ,Fuller JT,Alderson JA,Doyle TLA

更新日期：2020-06-23 00:00:00

abstract：:The emergence of herbicide-resistant weeds is a major threat facing modern agriculture. Over 470 weedy-plant populations have developed resistance to herbicides. Traditional evolutionary mechanisms are not always sufficient to explain the rapidity with which certain weed populations adapt in response to herbicide expo...

journal_title：PeerJ

authors： Kim G,Clarke CR,Larose H,Tran HT,Haak DC,Zhang L,Askew S,Barney J,Westwood JH

更新日期：2017-07-20 00:00:00