Single mutations in the ε subunit from thermophilic Bacillus PS3 generate a high binding affinity site for ATP.

abstract：:Cedecea neteri is a very rare human pathogen. We have isolated a strain of C. neteri SSMD04 from pickled mackerel sashimi identified using molecular and phenotypics approaches. Using the biosensor Chromobacterium violaceum CV026, we have demonstrated the presence of short chain N-acyl-homoserine lactone (AHL) type quo...

journal_title：PeerJ

authors： Tan KH,Tan JY,Yin WF,Chan KG

更新日期：2015-09-01 00:00:00

abstract：:We used qingbo (Spinibarbus sinensis) and Chinese crucian carp (Carassius auratus) to test whether numerical discrimination could be improved by the coexistence and possible cooperation of conspecies or heterospecies. We conducted a spontaneous shoal choice test of singletons, conspecific dyads and heterospecific dyad...

journal_title：PeerJ

authors： Xiong W,Yi LC,Tang ZH,Fu SJ

更新日期：2019-03-11 00:00:00

abstract：Background:Conserving both biodiversity and ecosystem services is a major goal of the Convention on Biological Diversity. Hotspots for biodiversity in the Andes significantly overlap with areas with dense human populations that sustain their economy through agricultural production. Therefore, developing management form...

journal_title：PeerJ

authors： Quintana C,Girardello M,Balslev H

更新日期：2019-02-13 00:00:00

abstract：:Species interactions are a key component of ecosystems but we generally have an incomplete picture of who-eats-who in a given community. Different techniques have been devised to predict species interactions using theoretical models or abundances. Here, we explore the K nearest neighbour approach, with a special empha...

journal_title：PeerJ

authors： Desjardins-Proulx P,Laigle I,Poisot T,Gravel D

更新日期：2017-08-10 00:00:00

abstract：:Molt summary tables reveal the sequence and mode of flight-feather replacement and how these feathers are divided into independent replacement series. Tables for summarizing molt are relatively new, and the rules for generating them were first formally illustrated using data from a temperate passerine. However, this f...

journal_title：PeerJ

authors： Rohwer S,Rohwer VG

更新日期：2018-09-07 00:00:00

abstract：Background:The objective of the present study was to compare the effects of equal-volume resistance training (RT) performed with different training frequencies on muscle size and strength in trained young men. Methods:Sixteen men with at least one year of RT experience were divided into two groups, G1 and G2, that tra...

journal_title：PeerJ

authors： Gentil P,Fisher J,Steele J,Campos MH,Silva MH,Paoli A,Giessing J,Bottaro M

更新日期：2018-06-22 00:00:00

abstract：:P-glycoprotein (P-gp) is one of the highly expressed cancer cell efflux transporters that cause the failure of chemotherapy. To reverse P-gp induced multidrug resistance, we employed a flaxseed-derived lignan; secoisolariciresinol (SECO) that acts as an inhibitor of breast cancer resistance protein; another efflux tra...

journal_title：PeerJ

authors： Morsy MA,El-Sheikh AAK,Ibrahim ARN,Venugopala KN,Kandeel M

更新日期：2020-06-10 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：:Reservoirs possess gradients in conditions and resources along their long (deep-shallow) axis, but the response of littoral vertebrates (fish and turtles) to these gradients is poorly understood. We have quantified the littoral vertebrate communities throughout a small reservoir in Southeastern Ohio during July and Au...

journal_title：PeerJ

authors： Ruhl N,Soski JJ,Roosenburg WM

更新日期：2014-12-11 00:00:00

abstract：:The cost of enzymes makes enzymatic hydrolysis one of the most expensive steps in the production of lignocellulosic ethanol. Diverse studies have used commercial enzyme cocktails assuming that change in total protein concentration during hydrolysis was solely due to adsorption of endo- and exoglucanases onto the subst...

journal_title：PeerJ

authors： Rosales-Calderon O,Trajano HL,Duff SJ

更新日期：2014-06-10 00:00:00

abstract：:Web-spinning spiders that inhabit stream channels are considered specialists of aquatic ecosystems and are major consumers of emerging aquatic insects, while other spider taxa are more commonly found in riparian forests and as a result may consume more terrestrial insects. To determine if there was a difference in spi...

journal_title：PeerJ

authors： Kelly SP,Cuevas E,Ramírez A

更新日期：2015-10-15 00:00:00

abstract：:Sex differences in some preferences and motivations are well established, but it is unclear whether they persist in selective sub-populations, such as expert financial decision makers, top scientists, or elite athletes. We addressed this issue by studying competitiveness in 1,147 varsity intercollegiate distance runne...

journal_title：PeerJ

authors： Deaner RO,Lowen A,Rogers W,Saksa E

更新日期：2015-04-21 00:00:00

abstract：:The spatial learning skills of high and low stress juvenile mulloway (Argyrosomus japonicus) were tested in a dichotomous choice apparatus. Groups of fish were formed based on background blood cortisol levels and required to learn the location of a food reward hidden in one of two compartments. Low stress fish charact...

journal_title：PeerJ

authors： Raoult V,Trompf L,Williamson JE,Brown C

更新日期：2017-06-08 00:00:00

abstract：:Herein, we identified the tomato SlMYB102 gene as a MYB family transcription factor of the R2R3-MYB subfamily. We additionally determined that the SlMYB102 promoter region contains photoresponsive, abiotic stress-responsive, and hormone-responsive regulatory elements, and we detected higher SlMYB102 expression in the ...

journal_title：PeerJ

authors： Wang M,Hao J,Chen X,Zhang X

更新日期：2020-10-07 00:00:00

abstract：:Environmental DNA (eDNA) is an emerging tool for monitoring invasive and imperiled species, particularly at low densities. However, the factors that control eDNA production, transport, and persistence in aquatic systems remain poorly understood. For example, the extent to which carcasses produce detectable eDNA is unk...

journal_title：PeerJ

authors： Curtis AN,Larson ER

更新日期：2020-06-11 00:00:00

abstract：:Background. Applying quantitative morphological approaches in systematics research is a promising way to discover cryptic biological diversity. Information obtained through twenty-first century science poses new challenges to taxonomy by offering the possibility of increased objectivity in independent and automated hy...

journal_title：PeerJ

authors： Csősz S,Fisher BL

更新日期：2016-03-10 00:00:00

abstract：:Wild greens can contribute to the human diet as an important source of essential nutrients and drugs. Since environmental factors, including soil properties, may affect the chemical composition of plants, it is necessary among others to assess various habitats in terms of their usefulness for wild plant harvesting and...

journal_title：PeerJ

authors： Bosiacka B,Myśliwy M,Bosiacki M

更新日期：2020-11-24 00:00:00

abstract：:Seabed mapping can quantify the extent of benthic habitats that comprise marine ecosystems, and assess the impact of fisheries on an ecosystem. In this study, the distribution of seabed habitats in a proposed no-take Marine Reserve along the northeast coast of Great Barrier Island, New Zealand, was mapped using underw...

journal_title：PeerJ

authors： Lee ST,Kelly M,Langlois TJ,Costello MJ

更新日期：2015-12-10 00:00:00

abstract：:Over the last decades several studies have identified that the directional changes in climate induced by anthropogenic emissions of greenhouse gases are affecting the ecology of desert ecosystems. In the Southwest United States, the impacts of climate change to plant abundance and distribution have already been report...

journal_title：PeerJ

authors： Albuquerque F,Benito B,Rodriguez MÁM,Gray C

更新日期：2018-09-19 00:00:00

abstract：:Individual movement influences the spatial and social structuring of a population. Animals regularly use the same paths to move efficiently to familiar places, or to patrol and mark home ranges. We found that Australian sleepy lizards (Tiliqua rugosa), a monogamous species with stable pair-bonds, repeatedly used the s...

journal_title：PeerJ

authors： Leu ST,Jackson G,Roddick JF,Bull CM

更新日期：2016-03-22 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：:A wide range of biotic stresses (BS) and abiotic stresses (AS) adversely affect plant growth and productivity worldwide. The study of individual genes cannot be considered as an effective approach for the understanding of tolerance mechanisms, since these stresses are frequent and often in combination with each other,...

journal_title：PeerJ

authors： Ashrafi-Dehkordi E,Alemzadeh A,Tanaka N,Razi H

更新日期：2018-07-17 00:00:00

abstract：:Coarse-grained (CG) models have been successful in simulating the chemical properties of lipid bilayers, but accurate treatment of membrane proteins and lipid-protein molecular interactions remains a challenge. The CgProt force field, original developed with the multiscale coarse graining method, is assessed by compar...

journal_title：PeerJ

authors： Hills RD Jr

更新日期：2018-01-10 00:00:00

abstract：:We provided chimpanzees (Pan troglodytes) with the ability to improve the quality of food rewards they received in a dyadic test of inequity. We were interested to see if this provision influenced their responses and, if so, whether it was mediated by a social partner's outcomes. We tested eight dyads using an exchang...

journal_title：PeerJ

authors： Hopper LM,Lambeth SP,Schapiro SJ,Brosnan SF

更新日期：2013-09-17 00:00:00

abstract：Background:The gray snapper (Lutjanus griseus) has a tropical and subtropical distribution. In much of its range this species represents one of the most important fishery resources because of its high quality meat and market value. Due to this, this species is vulnerable to overfishing, and population declines have bee...

journal_title：PeerJ

authors： Rosado-Nic OJ,Hogan JD,Lara-Arenas JH,Rosas-Luis R,Carrillo L,Villegas-Sánchez CA

更新日期：2020-02-10 00:00:00

abstract：:Banana streak virus (BSV) belongs to the members of the genus Badnavirus, family Caulimoviridae. At present, BSV contains nine species in the International Committee on Taxonomy of Viruses (ICTV) classification report (2018b release). Previous study indicated that the viral particles of Banana streak virus Acuminata Y...

journal_title：PeerJ

authors： Li WL,Yu NT,Wang JH,Li JC,Liu ZX

更新日期：2020-01-27 00:00:00

abstract：Background:RNA sequencing is an indispensable research tool used in a broad range of transcriptome analysis studies. The most common application of RNA Sequencing is differential expression analysis and it is used to determine genetic loci with distinct expression across different conditions. An emerging field called s...

journal_title：PeerJ

authors： Dimitrov D,Gu Q

更新日期：2020-12-22 00:00:00

abstract：:Pancreatic adenocarcinoma (PAAD), the most common subtype of pancreatic cancer, is a highly lethal disease. In this study, we integrated the expression profiles of splicing factors (SFs) of PAAD from RNA-sequencing data to provide a comprehensive view of the clinical significance of SFs. A prognostic index (PI) based ...

journal_title：PeerJ

authors： Rong MH,Zhu ZH,Guan Y,Li MW,Zheng JS,Huang YQ,Wei DM,Li YM,Wu XJ,Bu HP,Peng HL,Wei XL,Li GS,Li MX,Chen MH,Huang SN

更新日期：2020-02-11 00:00:00

abstract：:Marine biodiversity and derived ecosystem services are critical to the healthy functioning of marine ecosystems, and to human economic and societal well-being. Thus, an understanding of marine biodiversity in different ecosystems is necessary for their conservation and management. Coral reefs in particular are noted f...

journal_title：PeerJ

authors： Reimer JD,Biondi P,Lau YW,Masucci GD,Nguyen XH,Santos MEA,Wee HB

更新日期：2019-04-12 00:00:00

abstract：:We explored the genetic background of social interactions in two breeding metapopulations of the pied flycatcher (Ficedula hypoleuca) in Western Siberia. In 2005, we sampled blood from birds breeding in study areas located in the city of Tomsk and in a natural forest 13 km southward of Tomsk (Western Siberia, Russia)....

journal_title：PeerJ

authors： Grinkov VG,Bauer A,Gashkov SI,Sternberg H,Wink M

更新日期：2018-12-06 00:00:00