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https://www.readbyqxmd.com/read/29913372/occurrence-and-fate-of-bisphenol-a-transformation-products-bisphenol-a-monomethyl-ether-and-bisphenol-a-dimethyl-ether-in-wastewater-treatment-plants-and-surface-water
#1
Muhammad Ashfaq, Qian Sun, Han Zhang, Yan Li, Yuwen Wang, Mingyue Li, Min Lv, Xu Liao, Chang-Ping Yu
Due to the wide use, bisphenol A (BPA) has been detected frequently in the aquatic environment. However, the information on the distribution of BPA transformation products is limited. In this study, we investigated two BPA transformation products, namely bisphenol A monomethyl ether (BPA-MME) and bisphenol A dimethyl ether (BPA-DME). This study revealed that both transformation products were widely detected in the wastewater treatment plants (WWTPs) as well as in surface water of Jiulong River and its estuary with higher detected concentrations and detection frequencies for BPA-DME...
June 15, 2018: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/29913255/chemoprevention-of-leishmaniasis-in-vitro-antiparasitic-activity-of-dibenzalacetone-a-synthetic-curcumin-analog-leads-to-apoptotic-cell-death-in-leishmania-donovani
#2
Indira Singh Chauhan, G SubbaRao, Jai Shankar, Lalit Kumar Singh Chauhan, Govind J Kapadia, Neeloo Singh
Curcumin is the major phenolic compound found in turmeric, a dry powder of rhizomes and roots of the plant, Curcuma longa L., which is widely used as spice and food colorant around the world, and in herbal medicinal practice in Asian countries. The present study reports the leishmanicidal activity of trans-dibenzalacetone (DBA), a synthetic monoketone analog of curcumin, against Leishmania donovani parasites. We for the first time report the antiproliferative effect of a curcumin analog (DBA) on the intracellular amastigotes of L...
June 15, 2018: Parasitology International
https://www.readbyqxmd.com/read/29913120/impact-of-diet-on-irinotecan-toxicity-in-mice
#3
Pankajini Mallick, Pranav Shah, Michael M Ittmann, Meghna Trivedi, Ming Hu, Song Gao, Romi Ghose
Irinotecan is highly effective in the treatment of metastatic colorectal cancer as well as many other cancers. However, irinotecan is known to cause severe diarrhea, which pose significant problems in patients undergoing irinotecan based chemotherapy. Dietary and herbal components have shown promise in improving gastrointestinal health. Therefore, we compared the effect of grain-based chow diet containing phytoestrogens and corn/alfalfa as fat source to purified diets containing either animal-derived fat source (lard) or plant-derived fat source (soybean oil) on irinotecan-induced toxicities in mice...
June 15, 2018: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29912933/assessing-the-multi-scale-predictive-ability-of-ecosystem-functional-attributes-for-species-distribution-modelling
#4
Salvador Arenas-Castro, João Gonçalves, Paulo Alves, Domingo Alcaraz-Segura, João P Honrado
Global environmental changes are rapidly affecting species' distributions and habitat suitability worldwide, requiring a continuous update of biodiversity status to support effective decisions on conservation policy and management. In this regard, satellite-derived Ecosystem Functional Attributes (EFAs) offer a more integrative and quicker evaluation of ecosystem responses to environmental drivers and changes than climate and structural or compositional landscape attributes. Thus, EFAs may hold advantages as predictors in Species Distribution Models (SDMs) and for implementing multi-scale species monitoring programs...
2018: PloS One
https://www.readbyqxmd.com/read/29912354/purification-characterization-and-biological-activity-of-melanin-from-streptomyces-sp
#5
Chaofeng Li, Chenming Ji, Boping Tang
Melanins are enigmatic biological macromolecules that can be produced by plants, animals and microorganisms and are especially suited for production in fermentation broth, which is prone to industrialization and few inputs. This research was conducted to purify, characterize and determine the biological activity of extracellular melanin extracted from Streptomyces sp. The extracellular melanin (M) was extracted from Streptomyces sp. with a yield of 1.46 g/L. Ma, Mb, Mc and Md were fractionated from M using a Sephadex G-50 column...
April 18, 2018: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/29912197/two-methods-for-decellularization-of-plant-tissues-for-tissue-engineering-applications
#6
Michal Adamski, Gianluca Fontana, Joshua R Gershlak, Glenn R Gaudette, Hau D Le, William L Murphy
The autologous, synthetic, and animal-derived grafts currently used as scaffolds for tissue replacement have limitations due to low availability, poor biocompatibility, and cost. Plant tissues have favorable characteristics that make them uniquely suited for use as scaffolds, such as high surface area, excellent water transport and retention, interconnected porosity, preexisting vascular networks, and a wide range of mechanical properties. Two successful methods of plant decellularization for tissue engineering applications are described here...
May 31, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29911349/tales-around-the-clock-poly-a-tails-in-circadian-gene-expression
#7
REVIEW
Rafailia A A Beta, Nikolaos A A Balatsos
Circadian rhythms are ubiquitous time-keeping processes in eukaryotes with a period of ~24 hr. Light is perhaps the main environmental cue (zeitgeber) that affects several aspects of physiology and behaviour, such as sleep/wake cycles, orientation of birds and bees, and leaf movements in plants. Temperature can serve as the main zeitgeber in the absence of light cycles, even though it does not lead to rhythmicity through the same mechanism as light. Additional cues include feeding patterns, humidity, and social rhythms...
June 17, 2018: Wiley Interdisciplinary Reviews. RNA
https://www.readbyqxmd.com/read/29911198/comprehensive-relative-quantitative-metabolomics-analysis-of-lycopodium-alkaloids-in-different-tissues-of-huperzia-serrata
#8
Shiwen Wu, Zhen Fan, Youli Xiao
Qian ceng Ta , the whole plant of Huperzia serrata , is an important landscape and medicinal herbs and contains abundant bioactive lycopodium alkaloids. Although the structures of more than 100 lycopodium alkaloids in Huperzia serrata have been isolated and identified, the content and distribution of these alkaloids in different tissues are still unclear. In current study, an ultra-performance liquid chromatography-mass spectrometry based comprehensive metabolomics strategy was developed, including the extraction, separation, identification, and statistical analysis...
March 2018: Synthetic and Systems Biotechnology
https://www.readbyqxmd.com/read/29911155/rna-based-vaccination-of-bhut-jolokia-pepper-capsicum-chinense-jacq-against-cucumber-mosaic-virus
#9
Munmi Borah, Margarita Berbati, Chrysavgi Reppa, Maria Holeva, Palash Deb Nath, Andreas Voloudakis
Cucumber mosaic virus (CMV) causes great losses in Bhut Jolokia pepper ( Capsicum chinense Jacq.) plantations in Assam, India. To investigate possible means to induce plant resistance against this virus, the crude extract of bacterially-expressed double-stranded (ds) RNA, derived from CMV-2b gene (dsRNA_CMV-2b), was exogenously applied along with CMV-G strain onto Bhut Jolokia plants. In this 'RNA-vaccination' bioassay, disease incidence, assessed by testing the plants at 21 days post inoculation by DAS-ELISA, ranged from 0 to 29% in case of dsRNA-treated plants, and from 55 to 92% when only CMV was applied...
June 2018: Virusdisease
https://www.readbyqxmd.com/read/29911154/molecular-evidence-for-the-occurrence-of-tylcv-on-mentha-longifolia-in-jeddah-saudi-arabia
#10
Sayed Sartaj Sohrab, Ihsanullah Daur
Begomoviruses are whiteflies transmitted virus causing serious disease in many important plants exhibiting variable symptoms with significant economic loss globally. Mentha is an important crop being grown here in Saudi Arabia for various purposes. The begomovirus associated disease was observed on Mentha crops during field survey which were growing near to tomato field. There is no published report available about the association of begomovirus on Mentha from this region. So, this work was conducted to identify the causative agent associated with yellow vein mosaic disease...
June 2018: Virusdisease
https://www.readbyqxmd.com/read/29911122/evolutionary-features-of-8k-kda-silencing-suppressor-protein-of-potato-mop-top-virus
#11
Aminallah Tahmasebi, Alireza Afsharifar, Ahmad Heydari, Mohammad Mehrabadi
The cysteine-rich 8K protein of Potato mop-top virus (PMTV) suppresses host RNA silencing. In this study, evolutionary analysis of 8K sequences of PMTV isolates was studied on the basis of nucleotide and amino acid sequences. Twenty-one positively selected sites were identified in 8K coding regions. Recombination events were found in the 8K of PMTV isolates with a rate of 1.8. Totally 30 haplotypes were detected with haplotype diversity ranging from 0.8 to 1.0 and nucleotide diversity from 7.58 to 13.62. The positions 33 and 30 indicated the highly positive and negative selection (with the highest and the lowest dN-dS values), respectively...
March 2018: Molecular Biology Research Communications
https://www.readbyqxmd.com/read/29911057/antifungal-efficacy-and-the-mechanical-properties-of-soft-liners-against-candida-albicans-after-the-incorporation-of-garlic-and-neem-an-in-vitro-study
#12
Seenivasan Madhan Kumar, V Anand Kumar, Parathasarthy Natarajan, Gayathri Sreenivasan
Objectives: To evaluate the in vitro growth inhibition of Candida albicans , in the soft-liner material and Shore A hardness from resin-based denture soft lining materials modified by neem or garlic incorporation. Materials and Methods: Resin discs were prepared with poly methyl methacrylate (PMMA) and soft liners incorporated with varying concentrations of neem or garlic. For antifungal activity, resin discs were placed on agar plates inoculated with C. albicans and were evaluated after 2, 4, and 7 days using the streaking method...
May 2018: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/29910998/plant-based-diets-reducing-cardiovascular-risk-by-improving-sleep-quality
#13
Marie-Pierre St-Onge, Allison Crawford, Brooke Aggarwal
Purpose of review: The goal of this review is to evaluate recent research related to the effects of plant-based diets on sleep patterns. We discuss plausible mechanisms for the link between plant-based diets and sleep, and provide suggestions for future research in this area. Recent findings: Short sleep duration and poor sleep quality have been shown to negatively affect individual dietary habits, through enhanced appetite, increased overall caloric intake, as well as lower diet quality...
March 2018: Current Sleep Medicine Reports
https://www.readbyqxmd.com/read/29910787/understanding-the-strategies-to-overcome-phosphorus-deficiency-and-aluminum-toxicity-by-ryegrass-endophytic-and-rhizosphere-phosphobacteria
#14
Patricio J Barra, Sharon Viscardi, Milko A Jorquera, Paola A Duran, Alexander J Valentine, María de la Luz Mora
Phosphobacteria, secreting organic acids and phosphatases, usually favor plant performance in acidic soils by increasing phosphorus (P) availability and aluminum (Al) complexing. However, it is not well-known how P-deficiency and Al-toxicity affect the phosphobacteria physiology. Since P and Al problems often co-occur in acidic soils, we have therefore proposed the evaluation of the single and combined effects of P-deficiency and Al-toxicity on growth, organic acids secretion, malate dehydrogenase ( mdh ) gene expression, and phosphatase activity of five Al-tolerant phosphobacteria previously isolated from ryegrass...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29910516/temporal-variation-of-fungal-diversity-in-a-mosaic-landscape-in-germany
#15
S Rudolph, J G Maciá-Vicente, H Lotz-Winter, M Schleuning, M Piepenbring
This study aims at characterizing the diversity and temporal changes of species richness and composition of fungi in an ecotone of a forest border and a meadow in the Taunus mountain range in Germany. All macroscopically visible, epigeous fungi and vascular plants were sampled monthly over three years, together with climatic variables like humidity and temperature that influence fungal diversity and composition as shown by previous studies. In this mosaic landscape, a total of 855 fungal species were collected and identified based on morphological features, the majority of which belonged to Ascomycota (51 %) and Basidiomycota (45 %)...
March 2018: Studies in Mycology
https://www.readbyqxmd.com/read/29910087/optimization-validation-and-application-of-headspace-solid-phase-microextraction-gas-chromatography-for-the-determination-of-1-nitro-2-phenylethane-and-methyleugenol-from-aniba-canelilla-h-b-k-mez-essential-oil-in-skin-permeation-samples
#16
Tainá Kreutz, Letícia G Lucca, Orlando A R Loureiro-Paes, Helder F Teixeira, Valdir F Veiga, Renata P Limberger, George G Ortega, Letícia S Koester
Aniba canelilla (H.B.K.) Mez is an aromatic plant from the Amazon region whose essential oil has 1-nitro-2-phenylethane (NP) and methyleugenol (ME) as major compounds. Despite of the scientifically proven antifungal and anti-inflammatory activities for these compounds, there is no report up to date about the topical permeation or quantification of NP and ME on skin samples. The aim of this study was the validation of an optimized bioanalytical method by solid-phase microextraction in headspace mode in gas chromatograph with flame ionization detector (HS-SPME-GC-FID) for the determination of NP and ME from the oil in different samples from permeation study, such as porcine ear skin (PES) layers (stratum corneum, epidermis and dermis) and receptor fluid (RF)...
June 2, 2018: Journal of Chromatography. A
https://www.readbyqxmd.com/read/29909527/comparative-genome-wide-mapping-versus-extreme-pool-genotyping-and-development-of-diagnostic-snp-markers-linked-to-qtl-for-adult-plant-resistance-to-stripe-rust-in-common-wheat
#17
Jianhui Wu, Shuo Huang, Qingdong Zeng, Shengjie Liu, Qilin Wang, Jingmei Mu, Shizhou Yu, Dejun Han, Zhensheng Kang
A major stripe rust resistance QTL on chromosome 4BL was localized to a 4.5-Mb interval using comparative QTL mapping methods and validated in 276 wheat genotypes by haplotype analysis. CYMMIT-derived wheat line P10103 was previously identified to have adult plant resistance (APR) to stripe rust in the greenhouse and field. The conventional approach for QTL mapping in common wheat is laborious. Here, we performed QTL detection of APR using a combination of genome-wide scanning and extreme pool-genotyping. SNP-based genetic maps were constructed using the Wheat55 K SNP array to genotype a recombinant inbred line (RIL) population derived from the cross Mingxian 169 × P10103...
June 16, 2018: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/29909318/metabolome-based-classification-of-artichoke-leaf-a-prospect-for-phyto-equivalency-of-its-different-leaf-origins-and-commercial-preparations
#18
Mohamed A Farag, Mahmoud F Elsebai, Amira R Khattab
The growing interest in assuring phytomedicines efficacy and moreover the increase in requirements for its safety drive the development of analytical methods for its quality control assurance. Herein, we present a nuclear magnetic resonance (NMR) fingerprinting approach of artichoke leaf material from different origins and in its commercial preparations. Under optimized conditions, we were able to simultaneously identify 23 metabolites including sugars, amino and organic acids, sesquiterpene lactones, flavones, cinnamates, inulin, fatty acids and nitrogenous bases...
May 30, 2018: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29909166/nanoparticle-plant-interaction-implications-in-energy-environment-and-agriculture
#19
REVIEW
Prabhat Kumar Rai, Vanish Kumar, SangSoo Lee, Nadeem Raza, Ki-Hyun Kim, Yong Sik Ok, Daniel C W Tsang
In the recent techno-scientific revolution, nanotechnology has gained popularity at a rapid pace in different sectors and disciplines, specifically environmental, sensing, bioenergy, and agricultural systems. Controlled, easy, economical, and safe synthesis of nanomaterials is desired for the development of new-age nanotechnology. In general, nanomaterial synthesis techniques, such as chemical synthesis, are not completely safe or environmentally friendly due to harmful chemicals used or to toxic by-products produced...
June 14, 2018: Environment International
https://www.readbyqxmd.com/read/29909120/integrated-in-silico-in-vitro-strategy-for-screening-of-some-traditional-egyptian-plants-for-human-aromatase-inhibitors
#20
Hend M Dawood, Reham S Ibrahim, Eman Shawky, Hala M A Hammoda, Aly M Metwally
ETHNOPHARMACOLOGICAL RELEVANCE: Aromatase enzyme (CYP19) is widely known as a critical target protein for treating hormone-dependent breast cancer. Natural products from traditional medicinal plants continue to be an active source of aromatase inhibitors. Meanwhile, high cost of experimental work and low hit rate associated with HTS have stimulated the implementation of in-silico virtual screening to resolve these pitfalls, where coupling of both classical wet lab procedure and VS may offer a more deepened access to bioactive compounds with less work and time waste...
June 14, 2018: Journal of Ethnopharmacology
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