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https://www.readbyqxmd.com/read/28109187/antimicrobial-and-antioxidant-activities-of-saccharomyces-cerevisiae-ifst062013-a-potential-probiotic
#1
Md Fakruddin, Md Nur Hossain, Monzur Morshed Ahmed
BACKGROUND: Probiotic yeast has become a field of interest to scientists in recent years. METHODS: Conventional cultural method was employed to isolate and identify yeast and standard methods were used to determine different probiotic attributes, antimicrobial and antioxidant properties. RESULTS: This study reports potential probiotic properties of a strain of S. cerevisiae IFST 062013 isolated from fruit. The isolate is tolerant to a wide range of temperature and pH, high concentration of bile salt and NaCl, gastric juice, intestinal environment, α-amylase, trypsin and lysozyme...
January 21, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28109063/chemical-variability-antioxidant-and-antifungal-activities-of-essential-oils-and-hydrosol-extract-of-calendula-arvensis-l-from-western-algeria
#2
Rania Belabbes, Mohammed El Amine Dib, Nassim Djabou, Faiza Ilias, Boufeldja Tabti, Jean Costa, Alain Muselli
The chemical composition of the essential oils and hydrosol extract from aerial parts of Calendula arvensis L. was investigated using GC-FID and GC/MS. Intra-species variations of the chemical compositions of essential oils from 18 Algerian sample locations were investigated using statistical analysis. Chemical analysis allowed the identification of fifty-three compounds amounting to 92.3-98.5% with yields varied of 0.09-0.36% and the main compounds were zingiberenol 1 (8.7-29.8%), eremoligenol (4.2-12.5%), β-curcumene (2...
January 21, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28109049/production-of-the-antibiotic-secondary-metabolite-solanapyrone-a-by-the-fungal-plant-pathogen-ascochyta-rabiei-during-fruiting-body-formation-in-saprobic-growth
#3
Wonyong Kim, Jeong-Jin Park, Frank M Dugan, Tobin L Peever, David R Gang, George Vandemark, Weidong Chen
Fungi are noted producers of a diverse array of secondary metabolites, many of which are of pharmacological importance. However, the biological roles of the vast majority of these molecules during the fungal life cycle in nature remain elusive. Solanapyrones are polyketide-derived secondary metabolites produced by diverse fungal species including the plant pathogen Ascochyta rabiei. This molecule was originally thought to function as a phytotoxin facilitating pathogenesis of A. rabiei. Chemical profiling and gene expression studies showed that solanapyrone A was specifically produced during saprobic, but not parasitic growth of A...
January 21, 2017: Environmental Microbiology
https://www.readbyqxmd.com/read/28108836/smad-dependent-signaling-plays-a-detrimental-role-in-a-fly-model-of-smarcb1-deficiency-and-the-biology-of-atypical-teratoid-rhabdoid-tumors
#4
Astrid Jeibmann, Jacqueline Schulz, Kristin Eikmeier, Pascal D Johann, Katharina Thiel, Isabel Tegeder, Oliver Ambrée, Michael C Frühwald, Stefan M Pfister, Marcel Kool, Werner Paulus, Martin Hasselblatt
Atypical teratoid/rhabdoid tumors (ATRT) are highly malignant brain tumors arising in young children. The majority of ATRT is characterized by inactivation of the chromatin remodeling complex member SMARCB1 (INI1/hSNF5). Little is known, however, on downstream pathways involved in the detrimental effects of SMARCB1 deficiency which might also represent targets for treatment. Using Drosophila melanogaster and the Gal4-UAS system, modifier screens were performed in order to identify the role of SMAD dependent signaling in the lethal phenotype associated with knockdown of snr1, the fly homolog of SMARCB1...
January 20, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28108382/new-xanthones-and-cytotoxic-constituents-from-garcinia-mangostana-fruit-hulls-against-human-hepatocellular-breast-and-colorectal-cancer-cell-lines
#5
Gamal A Mohamed, Ahmed M Al-Abd, Ali M El-Halawany, Hossam M Abdallah, Sabrin R M Ibrahim
ETHNOPHARMACOLOGICAL RELEVANCE: Cancer has proceeded to surpass one of the most chronic illnesses to be the major cause of mortality in both the developing and developed world. Garcinia mangostana L. (mangosteen, family Guttiferae) known as the queen of fruits, is one of the most popular tropical fruits. It is cultivated in Southeast Asian countries: Malaysia, Indonesia, Sri Lanka, Burma, Thailand, and Philippines. Traditionally, numerous parts of G. mangostana have been utilized to treat various ailments such as abdominal pain, haemorrhoids, food allergies, arthritis, leucorrhoea, gonorrhea, diarrhea, dysentery, wound infection, suppuration, and chronic ulcer...
January 17, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28108330/pleiotropic-responses-to-methionine-restriction
#6
Gene Ables, Jay Johnson
Methionine restriction (MR) extends lifespan across different species. The main responses of rodent models to MR are well-documented in adipose tissue (AT) and liver, which have reduced mass and improved insulin sensitivity, respectively. Recently, molecular mechanisms that improve healthspan have been identified in both organs during MR. In fat, MR induced a futile lipid cycle concomitant with beige AT accumulation, producing elevated energy expenditure. In liver, MR upregulated fibroblast growth factor 21 and improved glucose metabolism in aged mice and in response to a high-fat diet...
January 17, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28107986/dispersive-solid-phase-extraction-using-polyaniline-modified-zeolite-nay-as-a-new-sorbent-for-multiresidue-analysis-of-pesticides-in-food-and-environmental-samples
#7
Prapha Arnnok, Nopbhasinthu Patdhanagul, Rodjana Burakham
The applicability of polyaniline (PANI)-modified zeolite NaY as a sorbent for multi-class pesticides extraction was investigated. The sorbent had a sorption capacity of 833mgkg(-1) sorbent and preconcentration factor of 42 in the mixture of twenty pesticides. The PANI-coated zeolite NaY was successfully created via oxidative polymerization of aniline onto the surface of the zeolite. The sorbent was applied for dispersive solid phase extraction (DSPE) of commonly used pesticides belonging to five different chemical groups, involving carbamate, organophosphate, sulfonylurea, pyrethroid and neonicotinoid...
March 1, 2017: Talanta
https://www.readbyqxmd.com/read/28107419/a-new-israeli-tobamovirus-isolate-infects-tomato-plants-harboring-tm-22-resistance-genes
#8
Neta Luria, Elisheva Smith, Victoria Reingold, Ilana Bekelman, Moshe Lapidot, Ilan Levin, Nadav Elad, Yehudit Tam, Noa Sela, Ahmad Abu-Ras, Nadav Ezra, Ami Haberman, Liron Yitzhak, Oded Lachman, Aviv Dombrovsky
An outbreak of a new disease infecting tomatoes occurred in October-November 2014 at the Ohad village in Southern Israel. Symptomatic plants showed a mosaic pattern on leaves accompanied occasionally by narrowing of leaves and yellow spotted fruit. The disease spread mechanically and rapidly reminiscent of tobamovirus infection. Epidemiological studies showed the spread of the disease in various growing areas, in the South and towards the Southeast and Northern parts of the country within a year. Transmission electron microscope (TEM) analysis showed a single rod-like form characteristic to the Tobamovirus genus...
2017: PloS One
https://www.readbyqxmd.com/read/28107055/radiating-despite-a-lack-of-character-ecological-divergence-among-closely-related-morphologically-similar-honeyeaters-aves-meliphagidae-co-occurring-in-arid-australian-environments
#9
Eliot T Miller, Sarah K Wagner, Luke J Harmon, Robert E Ricklefs
Quantifying the relationship between form and function can inform use of morphology as a surrogate for ecology. How the strength of this relationship varies continentally can inform understanding of evolutionary radiations; for example, does the relationship break down when certain lineages invade and diversify in novel habitats? The 75 species of Australian honeyeaters (Meliphagidae) are morphologically and ecologically diverse, with species feeding on nectar, insects, fruit, and other resources. We investigated Meliphagidae ecomorphology and community structure by (1) quantifying the concordance between morphology and ecology (foraging behavior), (2) estimating rates of trait evolution in relation to the packing of ecological space, and (3) comparing phylogenetic and trait community structure across the broad environmental gradients of the continent...
February 2017: American Naturalist
https://www.readbyqxmd.com/read/28106984/pore-space-partition-in-metal-organic-frameworks
#10
Quan-Guo Zhai, Xianhui Bu, Xiang Zhao, Dong-Sheng Li, Pingyun Feng
Metal-organic framework (MOF) materials have emerged as one of the favorite crystalline porous materials (CPM) because of their compositional and geometric tunability and many possible applications. In efforts to develop better MOFs for gas storage and separation, a number of strategies including creation of open metal sites and implantation of Lewis base sites have been used to tune host-guest interactions. In addition to these chemical factors, the geometric features such as pore size and shape, surface area, and pore volume also play important roles in sorption energetics and uptake capacity...
January 20, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/28106948/genetic-differentiation-associated-with-host-plants-and-geography-among-six-widespread-species-of-south-american-blepharoneura-fruit-flies-tephritidae
#11
Kristina Ottens, Isaac S Winkler, Matthew L Lewis, Sonja J Scheffer, Géssica A Gomes-Costa, Marty A Condon, Andrew A Forbes
Tropical herbivorous insects are astonishingly diverse and many are highly host-specific. Much evidence suggests that herbivorous insect diversity is a function of host-plant diversity; yet, the diversity of some lineages exceeds the diversity of plants. Although most species of herbivorous fruit flies in the Neotropical genus Blepharoneura are strongly host-specific (they deposit their eggs in a single host plant species and flower sex), some species are collected from multiple hosts or flowers and these may represent examples of lineages that are diversifying via changes in host use...
January 20, 2017: Journal of Evolutionary Biology
https://www.readbyqxmd.com/read/28106856/green-synthesis-and-characterization-of-palladium-nanoparticles-using-origanum-vulgare-l-extract-and-their-catalytic-activity
#12
Mohammed Rafi Shaik, Zuhur Jameel Qandeel Ali, Mujeeb Khan, Mufsir Kuniyil, Mohamed E Assal, Hamad Z Alkhathlan, Abdulrahman Al-Warthan, Mohammed Rafiq H Siddiqui, Merajuddin Khan, Syed Farooq Adil
The synthesis of Palladium (Pd) nanoparticles by green methods has attracted remarkable attention in recent years because of its superiority above chemical approaches, owing to its low cost and ecological compatibility. In this present work, we describe a facile and environmentally friendly synthesis of Pd nanoparticles (Pd NPs) using an aqueous extract of aerial parts of Origanum vulgare L. (OV) as a bioreductant. This plant is available in many parts of the world as well as in Saudi Arabia and is known to be a rich source of phenolic components, a feature we fruitfully utilized in the synthesis of Pd NPs, using various concentrations of plant extracts...
January 19, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28106822/red-fruits-extraction-of-antioxidants-phenolic-content-and-radical-scavenging-determination-a-review
#13
REVIEW
Gádor-Indra Hidalgo, María Pilar Almajano
Red fruits, as rich antioxidant foods, have gained over recent years capital importance for consumers and manufacturers. The industrial extraction of the phenolic molecules from this source has been taking place with the conventional solvent extraction method. New non-conventional extraction methods have been devised as environmentally friendly alternatives to the former method, such as ultrasound, microwave, and pressure assisted extractions. The aim of this review is to compile the results of recent studies using different extraction methodologies, identify the red fruits with higher antioxidant activity, and give a global overview of the research trends regarding this topic...
January 19, 2017: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/28106815/social-dysfunction-and-diet-outcomes-in-people-with-psychosis
#14
Doreen Mucheru, Mary-Claire Hanlon, Linda E Campbell, Mark McEvoy, Lesley MacDonald-Wicks
This analysis aimed to examine the association of social dysfunction with food security status, fruit intake, vegetable intake, meal frequency and breakfast consumption in people with psychosis from the Hunter New England (HNE) catchment site of the Survey of High Impact Psychosis (SHIP). Social dysfunction and dietary information were collected using standardised tools. Independent binary logistic regressions were used to examine the association between social dysfunction and food security status, fruit intake, vegetable intake, meal frequency and breakfast consumption...
January 19, 2017: Nutrients
https://www.readbyqxmd.com/read/28106740/chemical-composition-and-antioxidant-properties-of-powders-obtained-from-different-plum-juice-formulations
#15
Anna Michalska, Aneta Wojdyło, Grzegorz P Łysiak, Adam Figiel
Among popular crops, plum (Prunus domestica L.) has received special attention due to its health-promoting properties. The seasonality of this fruit makes it impossible to consume it throughout the year, so new products in a powder form may offer an alternative to fresh consumption and may be used as high-quality natural food ingredients. A 100% plum (cultivar "Valor") juice was mixed with three different concentrations of maltodextrin or subjected to sugars removal by amberlite-XAD column, and dried using the freeze, spray, and vacuum (40, 60, and 80 °C) drying techniques...
January 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28106715/seasonal-effects-on-the-population-morphology-and-reproductive-behavior-of-narnia-femorata-hemiptera-coreidae
#16
Lauren A Cirino, Christine W Miller
Many insects are influenced by the phenology of their host plants. In North Central Florida, Narnia femorata (Hemiptera: Coreidae) spends its entire life cycle living and feeding on Opuntia mesacantha ssp. lata. This cactus begins producing flower buds in April that lead to unripe green fruit in June that ripen into red fruit through December. Many morphological and behavioral characteristics of N. femorata are known to be affected by cactus phenology in a controlled laboratory setting, including the degree of sexual dimorphism and mating behavior...
January 17, 2017: Insects
https://www.readbyqxmd.com/read/28106712/very-low-protein-diet-vlpd-reduces-metabolic-acidosis-in-subjects-with-chronic-kidney-disease-the-nutritional-light-signal-of-the-renal-acid-load
#17
Biagio Raffaele Di Iorio, Lucia Di Micco, Stefania Marzocco, Emanuele De Simone, Antonietta De Blasio, Maria Luisa Sirico, Luca Nardone, On Behalf Of Ubi Study Group
BACKGROUND: Metabolic acidosis is a common complication of chronic kidney disease; current guidelines recommend treatment with alkali if bicarbonate levels are lower than 22 mMol/L. In fact, recent studies have shown that an early administration of alkali reduces progression of CKD. The aim of the study is to evaluate the effect of fruit and vegetables to reduce the acid load in CKD. METHODS: We conducted a case-control study in 146 patients who received sodium bicarbonate...
January 17, 2017: Nutrients
https://www.readbyqxmd.com/read/28106710/banana-passion-fruit-passiflora-mollissima-kunth-l-h-bailey-microencapsulation-phytochemical-composition-and-antioxidant-capacity
#18
Almudena García-Ruiz, Amadeo Girones-Vilaplana, Paola León, Diego A Moreno, Carla M Stinco, Antonio J Meléndez-Martínez, Jenny Ruales
Passiflora mollissima (Kunth) L.H. Bailey is an exotic fruit native to South America, known as taxo in Ecuador. This paper characterizes its flavonoid and carotenoid composition and antioxidant capacity and evaluates the effect of the spray-drying process on its phytochemical composition and antioxidant capacity. A total of 18 flavonoid compounds, nine proanthocyanidins and nine flavan-3-ol monomers, were identified and quantified. Glycosides of (epi)-afzelechin stood out as the most abundant flavonoid. Three carotenoids were identified, with β-carotene having the highest concentration...
January 17, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28106252/investigation-into-the-role-of-endogenous-abscisic-acid-during-ripening-of-imported-avocado-cv-hass
#19
Marjolaine D Meyer, Gemma A Chope, Leon A Terry
BACKGROUND: The importance of ethylene in avocado ripening has been extensively studied. In contrast, little is known about the possible role of abscisic acid (ABA). The present work studied the effect of 1-MCP (0.3 μL L(-1) ), e + (®) Ethylene Remover and the combination thereof on the quality of imported avocado cv. Hass fruit stored for 7 days at 12 °C. Ethylene production, respiration, firmness, colour, heptose (C7) sugars and ABA concentrations in mesocarp tissue were measured throughout storage...
January 20, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28106250/assessment-of-biochar-and-hydrochar-as-minor-to-major-constituents-of-growing-media-for-containerized-tomato-production
#20
Fernando Fornes, Rosa M Belda, Pascual Fernández de Córdova, Jaime Cebolla-Cornejo
BACKGROUND: Chars are emerging materials as constituents of growth media. However, chars of different origin differ in their characteristics and more studies are needed to ratify them for such role. The characteristics of coir mixed with 0, 10, 25, 50, 75, and 100 (% v:v) of two biochars, from forest waste (BCH-FW) and from olive mill waste (BCH-OMW), and one hydrochar, from forest waste (HYD-FW), and their effects on growth, yield and fruit quality of two tomato cultivars (Gransol RZ and Cuarenteno) were assessed...
January 20, 2017: Journal of the Science of Food and Agriculture
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