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https://www.readbyqxmd.com/read/28351057/genome-wide-identification-and-analysis-of-the-type-b-authentic-response-regulator-gene-family-in-peach-prunus-persica
#1
Jingjue Zeng, Xudong Zhu, Muhammad S Haider, Xicheng Wang, Cheng Zhang, Chen Wang
The type-B authentic response regulator (ARR-B) family members serve as DNA-binding transcriptional regulators, whose activities are probably regulated by phosphorylation/dephosphorylation, resulting in the rapid induction of type-A ARR genes. Type-B ARRs are believed to be involved in many biological processes, including cytokinin signaling, plant growth, and stress responses through a chaperone or by isomerization of proline residues during protein folding. The public availability of complete peach genome sequences allows the identification of 23 ARR-B genes by HMMER and blast analysis...
March 29, 2017: Cytogenetic and Genome Research
https://www.readbyqxmd.com/read/28351019/online-microdialysis-ultra-performance-liquid-chromatography-mass-spectrometry-method-for-comparative-pharmacokinetic-investigation-on-iridoids-from-gardenia-jasminoides-ellis-in-rats-with-different-progressions-of-type-2-diabetic-complications
#2
Xueju Zhang, Lu Wang, Zhong Zheng, Zifeng Pi, Zhiqiang Liu, Fengrui Song
Iridoid glycosides consist the main bioactive constituents of Gardenia jasminoides Ellis (G. jasminoides), which is used alone or in combination with other medicine herbs for treatment of diabetes mellitus in China. This paper investigated for the first time comparative pharmacokinetics (PKs) of four unbound iridoids (including genipin, geniposide, gardenoside and geniposidic acid) in rat blood between healthy and type 2 diabetic groups with different disease progressions (9 or 13 weeks). Online microdialysis-ultra performance liquid chromatography-mass spectrometry (MD- UPLC-MS/MS) method was used after oral administration of iridoid extracts obtained from the fruits of G...
March 21, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28346913/selected-food-consumption-mediates-the-association-between-education-level-and-metabolic-syndrome-in-korean-adults
#3
Oh Yoen Kim, So-Young Kwak, Boeun Kim, Young-Sun Kim, Hye Young Kim, Min-Jeong Shin
BACKGROUND/AIMS: Low socioeconomic status (SES) is linked to higher incidence/mortality of cardiovascular disease, but emerging evidence inconsistently reported that education level, a proxy for SES, is related to cardiovascular risk and metabolic syndrome (MetS) in Koreans. Furthermore, limited information is available on whether dietary components would mediate the relationship between education level and cardiovascular risk. We hypothesized that selected food consumption mediates the association between education level and MetS prevalence...
March 28, 2017: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/28346765/the-medial-temporal-memory-system-in-down-syndrome-translating-animal-models-of-hippocampal-compromise
#4
Caron A C Clark, Fabian Fernandez, Stella Sakhon, Goffredina Spanò, Jamie O Edgin
Recent studies have highlighted the dentate gyrus as a region of increased vulnerability in mouse models of Down syndrome (DS). It is unclear to what extent these findings are reflected in the memory profile of people with the condition. We developed a series of novel tasks to probe distinct medial temporal functions in children and young adults with DS, including object, spatial, and serial order memory. Relative to mental age-matched controls (n = 45), individuals with DS (n = 28) were unimpaired on subtests involving short-term object or configural recall that was divorced from spatial or temporal contexts...
March 27, 2017: Hippocampus
https://www.readbyqxmd.com/read/28346691/reproductive-status-affects-the-feeding-ecology-and-social-association-patterns-of-female-squirrel-monkeys-saimiri-collinsi-in-an-amazonian-rainforest
#5
Luana V P Ruivo, Anita I Stone, Matthew Fienup
When making foraging decisions, female primates may follow specific behavioral strategies that reflect their reproductive state. Lactation is considered the most energetically costly phase for females, but we argue that gestation is also energetically expensive for squirrel monkeys. In this study, we examined whether female squirrel monkeys (a seasonally breeding primate) in different reproductive phases showed significant differences in their foraging ecology. We sampled two wild groups of squirrel monkeys (Saimiri collinsi) using the focal animal method, during 12 months (June 2014 to May 2015)...
March 27, 2017: American Journal of Primatology
https://www.readbyqxmd.com/read/28346353/intake-and-dietary-food-sources-of-fibre-in-spain-differences-with-regard-to-the-prevalence-of-excess-body-weight-and-abdominal-obesity-in-adults-of-the-anibes-study
#6
Liliana G González-Rodríguez, José Miguel Perea Sánchez, Javier Aranceta-Bartrina, Ángel Gil, Marcela González-Gross, Lluis Serra-Majem, Gregorio Varela-Moreiras, Rosa M Ortega
The aim was to study the intake and food sources of fibre in a representative sample of Spanish adults and to analyse its association with excess body weight and abdominal obesity. A sample of 1655 adults (18-64 years) from the ANIBES ("Anthropometric data, macronutrients and micronutrients intake, practice of physical activity, socioeconomic data and lifestyles") cross-sectional study was analysed. Fibre intake and dietary food sources were determined by using a three-day dietary record. Misreporters were identified using the protocol of the European Food Safety Authority...
March 25, 2017: Nutrients
https://www.readbyqxmd.com/read/28346119/counterpoint
#7
Frank H Durgin
Claims about alterations in perception based on manipulations of the energetics hypothesis (and other influences) are often framed as interesting specifically because they affect our perceptual experience. Many control experiments conducted on such perceptual effects suggest, however, that they are the result of attribution effects and other kinds of judgmental biases influencing the reporting process rather than perception itself. Schnall (2017, this issue), appealing to Heider's work on attribution, argues that it is fruitless to try to distinguish between perception and attribution...
March 2017: Perspectives on Psychological Science: a Journal of the Association for Psychological Science
https://www.readbyqxmd.com/read/28345896/transcriptomics-and-lipidomics-of-the-environmental-strain-rhodococcus-ruber-point-out-consumption-pathways-and-potential-metabolic-bottlenecks-for-polyethylene-degradation
#8
Kevin Gravouil, Romain Ferru-Clement, Steven Colas, Reynald Helye, Linette Kadri, Ludivine Bourdeau, Bouziane Moumen, Anne Mercier, Thierry Ferreira
Polyethylene (PE), one of the most prominent synthetic polymer used worldwide, is very poorly biodegradable in the natural environment. Consequently, PE represents by itself more than half of all plastic wastes. PE biodegradation is achieved through the combination of abiotic and biotic processes. Several microorganisms have been shown to grow on the surface of PE materials, among which are the species of the Rhodococcus genus, suggesting a potent ability of these microorganisms to use, at least partly, PE as a potent carbon source...
March 27, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28345759/stable-carbon-oxygen-and-nitrogen-isotope-analysis-of-plants-from-a-south-asian-tropical-forest-implications-for-primatology
#9
Patrick Roberts, Scott A Blumenthal, Wolfgang Dittus, Oshan Wedage, Julia A Lee-Thorp
Stable isotope analysis of primate tissues in tropical forest contexts is an increasingly popular means of obtaining information about niche distinctions among sympatric species, including preferences in feeding height, forest canopy density, plant parts, and trophism. However, issues of equifinality mean that feeding height, canopy density, as well as the plant parts and plant species consumed, may produce similar or confounding effects. With a few exceptions, researchers have so far relied largely on general principles and/or limited plant data from the study area as references for deducing the predominant drivers of primate isotope variation...
March 27, 2017: American Journal of Primatology
https://www.readbyqxmd.com/read/28345667/the-toxicity-of-angiotensin-converting-enzyme-inhibitors-to-larvae-of-the-disease-vectors-aedes-aegypti-and-anopheles-gambiae
#10
Zatul-'Iffah Abu Hasan, Helen Williams, Nur M Ismail, Hidayatulfathi Othman, Gyles E Cozier, K Ravi Acharya, R Elwyn Isaac
The control of mosquitoes is threatened by the appearance of insecticide resistance and therefore new control chemicals are urgently required. Here we show that inhibitors of mosquito peptidyl dipeptidase, a peptidase related to mammalian angiotensin-converting enzyme (ACE), are insecticidal to larvae of the mosquitoes, Aedes aegypti and Anopheles gambiae. ACE inhibitors (captopril, fosinopril and fosinoprilat) and two peptides (trypsin-modulating oostatic factor/TMOF and a bradykinin-potentiating peptide, BPP-12b) were all inhibitors of the larval ACE activity of both mosquitoes...
March 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28344593/agaricus-brasiliensis-polysaccharides-stimulate-human-monocytes-to-capture-candida-albicans-express-toll-like-receptors-2-and-4-and-produce-pro-inflammatory-cytokines
#11
Priscila Raquel Martins, Ângela Maria Victoriano de Campos Soares, Andrea Vanessa da Silva Pinto Domeneghini, Márjorie Assis Golim, Ramon Kaneno
BACKGROUND: Agaricus brasiliensis is a medicinal mushroom with immunomodulatory and antitumor activities attributed to the β-glucans presented in the polysaccharide fraction of its fruiting body. Since β-glucans enhance cellular immunoresponsiveness, in this study we aimed to evaluate the effect of an acid-treated polysaccharide-rich fraction (ATF) of A. brasiliensis on the ability of human monocytes to adhere/phagocyte C. albicans yeast cells, their expression of pattern recognition receptors and their ability to produce cytokines...
2017: Journal of Venomous Animals and Toxins Including Tropical Diseases
https://www.readbyqxmd.com/read/28344587/the-chloroplast-genome-of-passiflora-edulis-passifloraceae-assembled-from-long-sequence-reads-structural-organization-and-phylogenomic-studies-in-malpighiales
#12
Luiz A Cauz-Santos, Carla F Munhoz, Nathalie Rodde, Stephane Cauet, Anselmo A Santos, Helen A Penha, Marcelo C Dornelas, Alessandro M Varani, Giancarlo C X Oliveira, Hélène Bergès, Maria Lucia C Vieira
The family Passifloraceae consists of some 700 species classified in around 16 genera. Almost all its members belong to the genus Passiflora. In Brazil, the yellow passion fruit (Passiflora edulis) is of considerable economic importance, both for juice production and consumption as fresh fruit. The availability of chloroplast genomes (cp genomes) and their sequence comparisons has led to a better understanding of the evolutionary relationships within plant taxa. In this study, we obtained the complete nucleotide sequence of the P...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28344586/comparative-transcriptome-reveals-benzenoid-biosynthesis-regulation-as-inducer-of-floral-scent-in-the-woody-plant-prunus-mume
#13
Kai Zhao, Weiru Yang, Yuzhen Zhou, Jie Zhang, Yushu Li, Sagheer Ahmad, Qixiang Zhang
Mei (Prunus mume) is a peculiar woody ornamental plant famous for its inviting fragrance in winter. However, in this valuable plant, the mechanism behind floral volatile development remains poorly defined. Therefore, to explore the floral scent formation, a comparative transcriptome was conducted in order to identify the global transcripts specifying flower buds and blooming flowers of P. mume. Differentially expressed genes were identified between the two different stages showing great discrepancy in floral volatile production...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28344107/molecular-phylogenetics-and-historical-biogeography-of-sorbus-sensu-stricto-rosaceae
#14
Meng Li, Ohi-Toma Tetsuo, Yun-Dong Gao, Bo Xu, Zhang-Ming Zhu, Wen-Bin Ju, Xin-Fen Gao
Explaining how plants from eastern Asia migrated to other Northern Hemisphere regions is still challenging. The genus Sorbus sensu stricto (including c. 88 species) is considered as a good example to illuminate this scenario, due to the wide distribution in the temperate zone and high diversity in the Himalayas and Hengduan Mountains. Based on four nuclear markers (LEAFY-2, GBSSI-1, SBEI and WD) and one chloroplast marker (rps16-trnK), we reconstructed the phylogenetic relationship of Sorbus using 54 taxa (60% of the genus representing all subgenera, sections, or series and geographical areas in the previous classifications), and estimated divergence time and historical biogeography of the genus...
March 23, 2017: Molecular Phylogenetics and Evolution
https://www.readbyqxmd.com/read/28344085/protection-of-polyphenols-in-blueberry-juice-by-vacuum-assisted-block-freeze-concentration
#15
Patricio Orellana-Palma, Guillermo Petzold, Lissage Pierre, José Manuel Pensaben
Block freeze concentration allows produces high-quality cryoconcentrates with important protection of valuable components from fresh fruit juices. The aim of this study was to investigate the use of vacuum-assisted block freeze concentration under different experimental conditions to protect polyphenols in the elaboration of concentrated blueberry juice. Fresh blueberry juice was radial or unidirectional frozen at -20 and -80 °C for 12 h and vacuum process was performed at 80 kPa during 120 min. Results showed a significant solute increased in the concentrated fraction in all treatments, and the best treatment was - 20 °C/unidirectional with a value of ≈63 °Brix, equivalent to an increase of 3...
March 23, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28343964/the-temporal-tuning-of-the-drosophila-motion-detectors-is-determined-by-the-dynamics-of-their-input-elements
#16
Alexander Arenz, Michael S Drews, Florian G Richter, Georg Ammer, Alexander Borst
Detecting the direction of motion contained in the visual scene is crucial for many behaviors. However, because single photoreceptors only signal local luminance changes, motion detection requires a comparison of signals from neighboring photoreceptors across time in downstream neuronal circuits. For signals to coincide on readout neurons that thus become motion and direction selective, different input lines need to be delayed with respect to each other. Classical models of motion detection rely on non-linear interactions between two inputs after different temporal filtering...
March 18, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28343760/perceptual-decision-making-picking-the-low-hanging-fruit
#17
Floris P de Lange, Matthias Fritsche
How do we decide what we perceive? Obviously, we base our decisions on sensory evidence. However, a new and surprising study by Hagura et al. shows that our perceptual decisions are also biased by the action costs that are associated with our decisions.
March 23, 2017: Trends in Cognitive Sciences
https://www.readbyqxmd.com/read/28343400/lifestyles-and-mortality-in-taiwan
#18
Yen-Huai Lin, Po-Wen Ku, Pesus Chou
The associations of modifiable lifestyle-related factors with cardiovascular and all-cause mortality were examined in a population-based sample of older Taiwanese people. A total of 4176 individuals aged 50 years and older, with 11 years of follow-up, were analyzed. Current and former smokers had a higher risk of all-cause mortality compared with never smokers ([HR = 1.33; 95% CI = 1.12, 1.58], [HR = 1.39; 95% CI = 1.16, 1.68]). Low intake of vegetables and fruits was associated with a significantly higher risk of 1...
March 1, 2017: Asia-Pacific Journal of Public Health
https://www.readbyqxmd.com/read/28343085/guava-fruit-extract-and-its-triterpene-constituents-have-osteoanabolic-effect-stimulation-of-osteoblast-differentiation-by-activation-of-mitochondrial-respiration-via-the-wnt-%C3%AE-catenin-signaling
#19
Konica Porwal, Subhashis Pal, Kapil Dev, Shyamsundar Pal China, Yogesh Kumar, Chandan Singh, Tarun Barbhuyan, Neeraj Sinha, Sabyasachi Sanyal, Arun Kumar Trivedi, Rakesh Maurya, Naibedya Chattopadhyay
The aim of this study was to evaluate the skeletal effect of guava triterpene-enriched extract (GE) in rats and identify osteogenic compounds thereof, and determine their modes of action. In growing female rats, GE at 250 mg/kg dose increased parameters of peak bone mass including femur length, bone mineral density (BMD) and biomechanical strength, suggesting that GE promoted modeling-directed bone growth. GE also stimulated bone regeneration at the site of bone injury. In adult osteopenic rats (osteopenia induced by ovariectomy, OVX) GE completely restored the lost bones at both axial and appendicular sites, suggesting a strong osteoanabolic effect...
March 8, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28342900/critical-roles-of-ctp-synthase-n-terminal-in-cytoophidium-assembly
#20
Yong Huang, Jin-Jun Wang, Sanjay Ghosh, Ji-Long Liu
Several metabolic enzymes assemble into distinct intracellular structures in prokaryotes and eukaryotes suggesting an important functional role in cell physiology. The CTP-generating enzyme CTP synthase forms long filamentous structures termed cytoophidia in bacteria, yeast, fruit flies and human cells independent of its catalytic activity. However, the amino acid determinants for protein-protein interaction necessary for polymerisation remained unknown. In this study, we systematically analysed the role of the conserved N-terminal of Drosophila CTP synthase in cytoophidium assembly...
March 22, 2017: Experimental Cell Research
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