Tracking the dynamics of individual gut microbiome of sea cucumber Apostichopus japonicus during gut regeneration.

abstract：Background:Hepatitis B infection is one of the most severe hepatic diseases in China. Thus, understanding the genetic pathogenesis of hepatitis B virus (HBV)-infected individuals is important. Although no consistent result is obtained in different populations, HBV treatment effect is reportedly associated with the IL28...

journal_title：PeerJ

authors： Song Y,Shen Y,Xia X,Zhang AM

更新日期：2017-12-19 00:00:00

abstract：:We describe a new species of Oligodon from the highlands of the Langbian Plateau, southern Truong Son Mountains, Vietnam, based on morphological and molecular phylogenetic analyses. The new species, Oligodon rostralissp. nov is distinguished from its congeners by the following morphological characters: medium size in ...

journal_title：PeerJ

authors： Nguyen HN,Tran BV,Nguyen LH,Neang T,Yushchenko PV,Poyarkov NA

更新日期：2020-01-06 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：BACKGROUND:The genotype-phenotype interactions among traits governing feeding preference are of fundamental importance to behavioral genetics and evolutionary biology. The genetic basis of behavioral traits has been explored in different taxa using different approaches. However, the complex nature of the genetic mechan...

journal_title：PeerJ

authors： Cardoso GA,Marinho MA,Monfardini RD,Espin AM,Torres TT

更新日期：2016-10-27 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：:Mathematical models of collective cell movement often neglect the effects of spatial structure, such as clustering, on the population dynamics. Typically, they assume that individuals interact with one another in proportion to their average density (the mean-field assumption) which means that cell-cell interactions oc...

journal_title：PeerJ

authors： Binny RN,Haridas P,James A,Law R,Simpson MJ,Plank MJ

更新日期：2016-02-15 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：:This article is a presentation of taxonomic diversity of the orchid genus Cyrtochilum in Northwestern South America. The morphological characteristics of over 90 species occurring in northern Peru, Ecuador, Colombia and Venezuela are presented together with illustrations of their floral segments. Information about the...

journal_title：PeerJ

authors： Szlachetko DL,Kolanowska M

更新日期：2020-02-14 00:00:00

abstract：:The Cuatro Ciénegas Basin (CCB) comprises several oligotrophic aquatic ecosystems limited by phosphorus. These aquatic systems are dominated by a high prokaryotic diversity, shaped by the stress of low nutrient supplies and interspecific competition. Although fungi constitute a diverse and important component of micro...

journal_title：PeerJ

authors： Velez P,Gasca-Pineda J,Rosique-Gil E,Eguiarte LE,Espinosa-Asuar L,Souza V

更新日期：2016-06-02 00:00:00

abstract：Background:Adnexal torsion is a gynecologic emergency that requires surgical treatment. In this study, we reviewed the surgical outcomes of women with adnexal torsion in eastern Taiwan (Hualien county, area 4,629 km2, 330,000 residents). Methods:This retrospective study included 42 women diagnosed with surgically-prov...

journal_title：PeerJ

authors： Huang C,Hong MK,Chu TY,Ding DC

更新日期：2018-12-04 00:00:00

abstract：:Reliable abundance estimates for species are fundamental in ecology, fisheries, and conservation. Consequently, predictive models able to provide reliable estimates for un- or poorly-surveyed locations would prove a valuable tool for management. Based on commonly used environmental and physical predictors, we develope...

journal_title：PeerJ

authors： Sequeira AMM,Mellin C,Lozano-Montes HM,Meeuwig JJ,Vanderklift MA,Haywood MDE,Babcock RC,Caley MJ

更新日期：2018-04-17 00:00:00

abstract：:The post-genomic era is characterized by the direct acquisition and analysis of genomic data with many applications, including the enhancement of the understanding of microbial epidemiology and pathology. However, there are a number of molecular approaches to survey pathogen diversity, and the impact of these differen...

journal_title：PeerJ

authors： Castro-Nallar E,Hasan NA,Cebula TA,Colwell RR,Robison RA,Johnson WE,Crandall KA

更新日期：2015-02-17 00:00:00

abstract：:Recent years have seen a growing awareness of the role the immune system plays in successful cancer treatment, especially in novel therapies like immunotherapy. The characterization of the immunological composition of tumors and their micro-environment is thus becoming a necessity. In this paper we introduce a deep le...

journal_title：PeerJ

authors： Aprupe L,Litjens G,Brinker TJ,van der Laak J,Grabe N

更新日期：2019-04-10 00:00:00

abstract：:Autophagy serves as a turnover mechanism for the recycling of redundant and/or damaged macromolecules present in eukaryotic cells to re-use them under starvation conditions via a double-membrane structure known as autophagosome. A set of eukaryotic genes called autophagy-related genes (ATGs) orchestrate this highly el...

journal_title：PeerJ

authors： Aslan E,Küçükoğlu N,Arslanyolu M

更新日期：2017-01-17 00:00:00

abstract：Background:The coronavirus 19 (COVID-19) pandemic has heightened the threat to the health and lives of patients with comorbid diseases. Infection by COVID-19 is especially detrimental to patients on hemodialysis. In this study, we evaluated the clinical characteristics, laboratory findings, treatments and prognoses of ...

journal_title：PeerJ

authors： Luo Y,Li J,Liu Z,Yu H,Peng X,Cao C

更新日期：2020-11-26 00:00:00

abstract：:The main objective of this research was to test central assumptions from the Self-centeredness/Selflessness Happiness Model. According to this model, while self-centered psychological functioning induces fluctuating happiness, authentic-durable happiness results from selflessness. Distinct mediating processes are supp...

journal_title：PeerJ

authors： Dambrun M

更新日期：2017-05-11 00:00:00

abstract：:We examined whether chemically mediated risk perception by prey and the effects of changes in prey behavior on basal resources vary as a function of the amount of prey biomass consumed by the predator. We studied these issues using a tritrophic system composed of blue crabs, Callinectes sapidus (top predator), mud cra...

journal_title：PeerJ

authors： Weissburg M,Beauvais J

更新日期：2015-11-19 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：:Exclosures that exclude large herbivores are effective tools for the protection and restoration of grazed plant communities. However, previous studies have shown that the installation of an exclosure does not ensure plant community recovery. Our study aimed to determine the effects of the domination of unpalatable pla...

journal_title：PeerJ

authors： Otsu C,Iijima H,Nagaike T

更新日期：2019-10-01 00:00:00

abstract：:Background. Physical activity is important for children's physical, mental, and social well-being. Outdoor active play is an important yet unstudied domain of children's physical activity. The objective of this study was to determine if parental encouragement is associated with the frequency that children engage in ou...

journal_title：PeerJ

authors： Ferrao T,Janssen I

更新日期：2015-11-30 00:00:00

abstract：:Epidemiological studies of low prevalence disease problems are often hindered by the high cost of diagnostic testing. The objective of this study was to evaluate PCR screening of both individual and pooled fecal samples from culled dairy cows for the invA gene of Salmonella followed by culture to determine if the sens...

journal_title：PeerJ

authors： Adaska JM,Ekong PS,Clothier KA,Williams DR,Rossitto PV,Lehenbauer TW,Atwill ER,Li X,Aly SS

更新日期：2020-01-15 00:00:00

abstract：:Development of mobile sensors brings new opportunities to medical research. In particular, mobile electroencephalography (EEG) devices can be potentially used in low cost screening for epilepsy and other neurological and psychiatric disorders. The necessary condition for such applications is thoughtful validation in t...

journal_title：PeerJ

authors： Kutafina E,Brenner A,Titgemeyer Y,Surges R,Jonas S

更新日期：2020-05-01 00:00:00

abstract：:Esophageal cancer is a common malignant tumor in the world, and the aim of this study was to screen key genes related to the development of esophageal cancer using a variety of bioinformatics analysis tools and analyze their biological functions. The data of esophageal squamous cell carcinoma from the Gene Expression ...

journal_title：PeerJ

authors： Guan X,Yao Y,Bao G,Wang Y,Zhang A,Zhong X

更新日期：2020-03-31 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：:Although anthophilous Coleoptera are regarded to be unspecialised flower-visiting insects, monkey beetles (Scarabaeidae: Hopliini) represent one of the most important groups of pollinating insects in South Africa's floristic hotspot of the Greater Cape Region. South African monkey beetles are known to feed on floral t...

journal_title：PeerJ

authors： Karolyi F,Hansal T,Krenn HW,Colville JF

更新日期：2016-01-21 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：: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:Systemic inflammation and nutritional status both play roles in the survival of cancer patients. Therefore, it is important to understand the effects of prognostic nutritional index (PNI) and lymphocyte-to-monocyte ratio (LMR) on the survival of patients with advanced p16-negative oropharyngeal cancer. Meth...

journal_title：PeerJ

authors： Tsai MH,Huang TL,Chuang HC,Lin YT,Fang FM,Lu H,Chien CY

更新日期：2020-12-01 00:00:00

abstract：:Introduction. Adolescent interpersonal violence is a global public health problem, yet gaps remain in the epidemiologic literature on adolescent violence in low- and middle-income countries (LMIC). Prevalence rates and risk and protective factors reported in high-income countries may be different from those reported i...

journal_title：PeerJ

authors： Celedonia KL,Wilson ML,El Gammal HA,Hagras AM

更新日期：2013-08-13 00:00:00

abstract：:Community decline is often linked to anthropogenic activities. Coral reef declines, for example, have been linked to overfishing and climate change, but impacts of coastal development, pollution, and tourism have received increasing attention. Here, we isolated the impact of one little-studied aspect of recreational a...

journal_title：PeerJ

authors： Flynn RL,Forrester GE

更新日期：2019-05-23 00:00:00