The effect of reverse transcription enzymes and conditions on high throughput amplicon sequencing of the 16S rRNA.

abstract：:Chronostratigraphic correlation of terrestrial Early Cretaceous biotas in China is highly problematic due to the lack of marine deposits, few absolute dates, and limited number of index fossils. This often leaves vertebrate faunas as one of the few potential tools for a preliminary biostratigraphy. Taxonomic identity ...

journal_title：PeerJ

authors： Li DQ,Zhou CF,Li L,Yang JT,Li L,Rabi M

更新日期：2019-01-15 00:00:00

abstract：:The potential of soils to naturally suppress inherent plant pathogens is an important ecosystem function. Usually, pathogen infection assays are used for estimating the suppressive potential of soils. In natural soils, however, co-occurring pathogens might simultaneously infect plants complicating the estimation of a ...

journal_title：PeerJ

authors： Rall BC,Latz E

更新日期：2016-11-03 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：BACKGROUND:The Saururaceae, a very small family of Piperales comprising only six species in four genera, have a relatively scanty fossil record outside of Europe. The phylogenetic relationships of the four genera to each other are resolved, with the type genus Saururus occurring in both eastern North America and East A...

journal_title：PeerJ

authors： Grímsson F,Grimm GW,Zetter R

更新日期：2017-06-13 00:00:00

abstract：:Background. Quotations and references are an indispensable element of scientific communication. They should support what authors claim or provide important background information for readers. Studies indicate, however, that quotations not serving their purpose-quotation errors-may be prevalent. Methods. We carried out...

journal_title：PeerJ

authors： Jergas H,Baethge C

更新日期：2015-10-27 00:00:00

abstract：Background:Foam cells (FCs) play crucial roles in the process of all stages of atherosclerosis. Smooth muscle cells (SMCs) and macrophages are the major sources of FCs. This study aimed to identify the common molecular mechanism in these two types of FCs. Methods:GSE28829, GSE43292, GSE68021, and GSE54666 were include...

journal_title：PeerJ

authors： Zhang K,Qin X,Zhou X,Zhou J,Wen P,Chen S,Wu M,Wu Y,Zhuang J

更新日期：2020-11-17 00:00:00

abstract：:Rao's quadratic diversity index is one of the most widely applied diversity indices in functional and phylogenetic ecology. The standard way of computing Rao's quadratic diversity index for an ecological assemblage with a group of species with varying abundances is to sum the functional or phylogenetic distances betwe...

journal_title：PeerJ

authors： Chen Y,Wu Y,Shen TJ

更新日期：2018-07-06 00:00:00

abstract：Background:Large and complex mounds built by termites of the genus Macrotermes characterize many dry African landscapes, including the savannas, bushlands, and dry forests of the Tsavo Ecosystem in southern Kenya. The termites live in obligate symbiosis with filamentous fungi of the genus Termitomyces. The insects coll...

journal_title：PeerJ

authors： Vesala R,Harjuntausta A,Hakkarainen A,Rönnholm P,Pellikka P,Rikkinen J

更新日期：2019-01-16 00:00:00

abstract：:The stings of bees, wasps, and ants are something that catches the attention of anyone that experiences them. While many recent studies have focused on the pain inflicted by the stings of various stinging wasps, bees, or ants (Hymenoptera: Aculeata), little is known about how the length of the sting itself varies betw...

journal_title：PeerJ

authors： Sadler EA,Pitts JP,Wilson JS

更新日期：2018-05-02 00:00:00

abstract：:Chloroplasts are typically inherited from the female parent and are haploid in most angiosperms, but rare intra-individual heteroplasmy in plastid genomes has been reported in plants. Here, we report an example of plastome heteroplasmy and its characteristics in Gentiana tongolensis (Gentianaceae). The plastid genome ...

journal_title：PeerJ

authors： Sun SS,Zhou XJ,Li ZZ,Song HY,Long ZC,Fu PC

更新日期：2019-11-27 00:00:00

abstract：Background:Converging evidence comparing barefoot (BF) and shod (SH) running highlights differences in foot-strike patterns and somatosensory feedback, among others. Anecdotal evidence from SH runners attempting BF running suggests a greater attentional demand may be experienced during BF running. However, little work ...

journal_title：PeerJ

authors： Snow NJ,Blair JFL,MacDonald GZ,Byrne JM,Basset FA

更新日期：2018-04-09 00:00:00

abstract：:Forest soils sequester a large amount of carbon (C) and have a significant effect on the global C balance. Forests are commonly managed to maintain certain age structures but the effects of this management on soil C pools (kg C m-2) is still uncertain. We compared 40-year-old (1GF) and 24-year-old (2GF) plantations of...

journal_title：PeerJ

authors： Ma J,Han H,Cheng X

更新日期：2020-01-21 00:00:00

abstract：:Motor unit synchronization is the tendency of motor neurons and their associated muscle fibers to discharge near-simultaneously. It has been theorized as a control mechanism for force generation by common excitatory inputs to these motor neurons. Magnitude of synchronization is calculated from peaks in cross-correlati...

journal_title：PeerJ

authors： Tweedell AJ,Tenan MS

更新日期：2019-12-10 00:00:00

abstract：:In most electric fish species, the electric organ (EO) derives from striated muscle cells that suppress many muscle properties. In the gymnotiform Sternopygus macrurus, mature electrocytes, the current-producing cells of the EO, do not contain sarcomeres, yet they continue to make some cytoskeletal and sarcomeric prot...

journal_title：PeerJ

authors： Pinch M,Güth R,Samanta MP,Chaidez A,Unguez GA

更新日期：2016-04-14 00:00:00

abstract：:Understanding the physiological tolerances of ectotherms, such as thermal limits, is important in predicting biotic responses to climate change. However, it is even more important to examine these impacts alongside those from other landscape changes: such as the reduction of native vegetation cover, landscape fragment...

journal_title：PeerJ

authors： Andrew NR,Miller C,Hall G,Hemmings Z,Oliver I

更新日期：2019-01-10 00:00:00

abstract：BACKGROUND:Preterm birth is a main determinant of neonatal mortality and morbidity and a major contributor to the overall mortality and burden of disease. However, research of the preterm birth is hindered by the imprecise definition of the clinical phenotype and complexity of the molecular phenotype due to multiple pr...

journal_title：PeerJ

authors： Bukowski R,Sadovsky Y,Goodarzi H,Zhang H,Biggio JR,Varner M,Parry S,Xiao F,Esplin SM,Andrews W,Saade GR,Ilekis JV,Reddy UM,Baldwin DA

更新日期：2017-09-01 00:00:00

abstract：:Mass spectrometry-based proteomics facilitate disease understanding by providing protein abundance information about disease progression. For the same type of disease studies, multiple mass spectrometry datasets may be generated. Integrating multiple mass spectrometry datasets can provide valuable information that a s...

journal_title：PeerJ

authors： Ryu SY,Wendt GA

更新日期：2019-04-10 00:00:00

abstract：Background:Cognitive dysfunction in fibromyalgia (FM) encompasses objective cognitive difficulties, as measured in neuropsychological tests, and self-reported cognitive complaints. Although it has been suggested that FM patients display problems in working memory, the data are inconsistent, and the overall working memo...

journal_title：PeerJ

authors： Pidal-Miranda M,González-Villar AJ,Carrillo-de-la-Peña MT,Andrade E,Rodríguez-Salgado D

更新日期：2018-11-21 00:00:00

abstract：:Wildlife demography is typically studied at a single point in time within a year when species, often during the reproductive season, are more active and therefore easier to find. However, this provides only a low-resolution glimpse into demographic temporal patterns over time and may hamper a more complete understandi...

journal_title：PeerJ

authors： Guimarães M,Correa DT,Gaiarsa MP,Kéry M

更新日期：2020-02-25 00:00:00

abstract：:Nitrogen-fixing microorganisms play important roles in N cycling. However, knowledge related to the changes in the diazotrophic community in response to cropping systems is still rudimentary. In this study, the nifH gene was used to reveal the abundance and community compositions of diazotrophs in the cropping systems...

journal_title：PeerJ

authors： Zou J,Yao Q,Liu J,Li Y,Song F,Liu X,Wang G

更新日期：2020-07-15 00:00:00

abstract：:Percent of body fat and physiological stress are important correlates to wildlife demographics. We studied winter percent of body fat and physiological stress levels for a declining elk (Cervus canadensis nelsoni) population in South Dakota, 2011-2013. We obtained percent of winter body fat, pregnancy status, lactatio...

journal_title：PeerJ

authors： Lehman CP,Rota CT,Millspaugh JJ

更新日期：2019-06-27 00:00:00

abstract：:Engaging in effortful self-control can sometimes impair people's ability to resist subsequent temptations. Existing research has shown that when chronic dieters' self-regulatory capacity is challenged by prior exertion of effort, they demonstrate disinhibited eating and altered patterns of brain activity when exposed ...

journal_title：PeerJ

authors： Lopez RB,Courtney AL,Wagner DD

更新日期：2019-02-28 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：:Complete chloroplast genome sequences have been very useful for understanding phylogenetic relationships in angiosperms at the family level and above, but there are currently large gaps in coverage. We report the chloroplast genome for Helwingia himalaica, the first in the distinctive family Helwingiaceae and only the...

journal_title：PeerJ

authors： Yao X,Liu YY,Tan YH,Song Y,Corlett RT

更新日期：2016-11-29 00:00:00

abstract：:Abnormal behaviors in captive animals are generally defined as behaviors that are atypical for the species and are often considered to be indicators of poor welfare. Although some abnormal behaviors have been empirically linked to conditions related to elevated stress and compromised welfare in primates, others have l...

journal_title：PeerJ

authors： Jacobson SL,Ross SR,Bloomsmith MA

更新日期：2016-07-13 00:00:00

abstract：Background:Human population growth has led to biodiversity declines in tropical cities. While habitat loss and fragmentation have been the main drivers of urban biodiversity loss, man-made interventions to reduce health risks have also emerged as an unintentional threat. For instance, insecticide fogging to control mos...

journal_title：PeerJ

authors： Lee NSM,Clements GR,Ting ASY,Wong ZH,Yek SH

更新日期：2020-10-01 00:00:00

abstract：:The exoskeleton is an important source of characters for the taxonomy of Hydroidolina. It originates as epidermal secretions and, among other functions, protects the coenosarc of the polypoid stage. However, comparative studies on the exoskeletal tissue origin, development, chemical, and structural characteristics, as...

journal_title：PeerJ

authors： Mendoza-Becerril MA,Marian JE,Migotto AE,Marques AC

更新日期：2017-02-16 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：Background:Proper glycemic control is an important goal of critical care medicine, including perioperative patient care that can influence patients' prognosis. Insulin secretion from pancreatic β-cells is generally assumed to play a critical role in glycemic control in response to an elevated blood glucose concentratio...

journal_title：PeerJ

authors： Kusunoki M,Hayashi M,Shoji T,Uba T,Tanaka H,Sumi C,Matsuo Y,Hirota K

更新日期：2019-12-02 00:00:00

abstract：BACKGROUND:Constant reviews of the caring behavior of nurses and patient satisfaction help to improve the quality of nursing. The aim of our research was to explore relationships between the level of nursing education, the perception of nurses and nursing assistants of Watson's carative factors, and patient satisfactio...

journal_title：PeerJ

authors： Pajnkihar M,Štiglic G,Vrbnjak D

更新日期：2017-02-07 00:00:00