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https://www.readbyqxmd.com/read/28730143/long-term-temporal-trends-of-nosema-spp-infection-prevalence-in-northeast-germany-continuous-spread-of-nosema-ceranae-an-emerging-pathogen-of-honey-bees-apis-mellifera-but-no-general-replacement-of-nosema-apis
#1
Sebastian Gisder, Vivian Schüler, Lennart L Horchler, Detlef Groth, Elke Genersch
The Western honey bee (Apis mellifera) is widely used as commercial pollinator in worldwide agriculture and, therefore, plays an important role in global food security. Among the parasites and pathogens threatening health and survival of honey bees are two species of microsporidia, Nosema apis and Nosema ceranae. Nosema ceranae is considered an emerging pathogen of the Western honey bee. Reports on the spread of N. ceranae suggested that this presumably highly virulent species is replacing its more benign congener N...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28726108/why-does-the-bioluminescent-fungus-armillaria-mellea-have-luminous-mycelium-but-nonluminous-fruiting-body
#2
K V Purtov, V N Petushkov, N S Rodionova, J I Gitelson
By determining the components involved in the bioluminescence process in luminous and nonluminous organs of the honey fungus Armillaria mellea, we have established causes of partial luminescence of this fungus. The complete set of enzymes and substrates required for bioluminescence is formed only in the mycelium and only under the conditions of free oxygen access. Since the synthesis of luciferin precursor (hispidin) and 3-hydroxyhispidin hydroxylase in the fruiting bodies is blocked, the formation of luciferin-the key component of fungal bioluminescent system-was not observed...
May 2017: Doklady. Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28722782/development-of-blueberry-liquor-influence-of-distillate-sweetener-and-fruit-quantity
#3
Ilda Caldeira, Daniel Lopes, Teresa Delgado, Sara Canas, Ofélia Anjos
BACKGROUND: In this work different formulations of blueberry liquor were tested and characterized based on their physicochemical and sensory characteristics. RESULTS: Three factors were evaluated: the distillate used to produce the liquor (wine spirit or grape marc spirit); the sweetener (white sugar or honey) and the fruit quantity (two doses). For each liquor, pH, total acidity, dry soluble solids content, dry extract, alcoholic strength, reducing sugars, colour intensity, methanol content, acetaldehyde and fusel alcohols were determined...
July 19, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28721993/honey-and-olive-oil-as-bio-friendly-substitutes-for-formalin-and-xylene-in-routine-histopathology
#4
Keerthi Muddana, Jaya Nagendra Krishna Muppala, Shyam Prasad Reddy Dorankula, Aruna Kumari Maloth, Pavan G Kulkarni, Deepsagar Thadudari
BACKGROUND: Formalin has long been the standard fixative and xylene has been the clearing agent for routine histopathology and immunohistochemistry worldwide. In recent years, as a result of increasing concerns about the potential carcinogenicity of formaldehyde and xylene, attempts have been made to find safer alternatives. In the present study, we considered honey as better alternative for formalin and olive oil as safer substitute for xylene. AIMS: The aim of this study was to know whether honey could be a possible substitute for formalin and olive oil could be a possible substitute for xylene...
May 2017: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/28720875/ruthenium-conjugated-chrysin-analogues-modulate-platelet-activity-thrombus-formation-and-haemostasis-with-enhanced-efficacy
#5
Divyashree Ravishankar, Maryam Salamah, Alda Attina, Radhika Pothi, Thomas M Vallance, Muhammad Javed, Harry F Williams, Eman M S Alzahrani, Elena Kabova, Rajendran Vaiyapuri, Kenneth Shankland, Jonathan Gibbins, Katja Strohfeldt, Francesca Greco, Helen M I Osborn, Sakthivel Vaiyapuri
The constant increase in cardiovascular disease rate coupled with significant drawbacks of existing therapies emphasise the necessity to improve therapeutic strategies. Natural flavonoids exert innumerable pharmacological effects in humans. Here, we demonstrate the effects of chrysin, a natural flavonoid found largely in honey and passionflower on the modulation of platelet function, haemostasis and thrombosis. Chrysin displayed significant inhibitory effects on isolated platelets, however, its activity was substantially reduced under physiological conditions...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28717953/evaluation-of-the-efficacy-and-safety-of-flumethrin-275-mg-bee-hive-strips-polyvar-yellow-%C3%A2-against-varroa-destructor-in-naturally-infested-honey-bee-colonies-in-a-controlled-study
#6
Tjeerd Blacquière, Gertraut Altreuther, Klemens J Krieger
No abstract text is available yet for this article.
July 17, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28717593/short-reads-from-honey-bee-apis-sp-sequencing-projects-reflect-microbial-associate-diversity
#7
Michael Gerth, Gregory D D Hurst
High throughput (or 'next generation') sequencing has transformed most areas of biological research and is now a standard method that underpins empirical study of organismal biology, and (through comparison of genomes), reveals patterns of evolution. For projects focused on animals, these sequencing methods do not discriminate between the primary target of sequencing (the animal genome) and 'contaminating' material, such as associated microbes. A common first step is to filter out these contaminants to allow better assembly of the animal genome or transcriptome...
2017: PeerJ
https://www.readbyqxmd.com/read/28717326/honey-can-repairing-damage-of-liver-tissue-due-to-protein-energy-malnutrition-through-induction-of-endogenous-stem-cells
#8
R Heru Prasetyo, Eka Pramyrtha Hestianah
AIM: This study was to evaluate effect of honey in repairing damage of liver tissue due to energy protein malnutrition and in mobilization of endogenous stem cells. MATERIALS AND METHODS: Male mice model of degenerative liver was obtained through food fasting but still have drinking water for 5 days. It caused energy protein malnutrition and damage of liver tissue. The administration of 50% (v/v) honey was performed for 10 consecutive days, while the positive control group was fasted and not given honey and the negative control not fasted and without honey...
June 2017: Veterinary World
https://www.readbyqxmd.com/read/28716449/venom-derived-peptides-inhibiting-kir-channels-past-present-and-future
#9
REVIEW
Craig A Doupnik
Inwardly rectifying K+ (Kir) channels play a significant role in vertebrate and invertebrate biology by regulating the movement of K+ ions involved in membrane transport and excitability. Yet unlike other ion channels including their ancestral K + -selective homologs, there are very few venom toxins known to target and inhibit Kir channels with the potency and selectivity found for the Ca2+-activated and voltage-gated K+ channel families. It is unclear whether this is simply due to a lack of discovery, or instead a consequence of the evolutionary processes that drive the development of venom components towards their targets based on a collective efficacy to 1) elicit pain for defensive purposes, 2) promote paralysis for prey capture, or 3) facilitate delivery of venom components into the circulation...
July 14, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28716030/modeling-de-novo-granulation-of-anaerobic-sludge
#10
Anna Doloman, Honey Varghese, Charles D Miller, Nicholas S Flann
BACKGROUND: A unique combination of mechanical, physiochemical and biological forces influences granulation during processes of anaerobic digestion. Understanding this process requires a systems biology approach due to the need to consider not just single-cell metabolic processes, but also the multicellular organization and development of the granule. RESULTS: In this computational experiment, we address the role that physiochemical and biological processes play in granulation and provide a literature-validated working model of anaerobic granule de novo formation...
July 17, 2017: BMC Systems Biology
https://www.readbyqxmd.com/read/28715894/nano-sheets-of-2d-magnetic-and-conducting-fe-ii-fe-iii-mixed-valence-mofs
#11
Samia Benmansour, Alexandre Abhervé, Patricia Gómez-Claramunt, Cristina Vallés-García, Carlos J Gomez-Garcia
We report the synthesis, magnetic properties, electrical conductivity and delamination into thin nano-sheets of two anilato-based Fe(II)/Fe(III) mixed valence 2D-MOFs. Compounds [(H3O)(H2O)(phenazine)3][FeIIFeIII(C6O4X2)3]·12H2O; X = Cl (1) and Br (2) present a honey-comb layered structure with an eclipsed packing that generates hexagonal channels containing the water molecules. Both compounds show ferrimagnetic ordering at ca. 2 K coexisting with electrical conductivity (with room temperature conductivities of 0...
July 17, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28715431/colony-collapse-disorder-ccd-and-bee-age-impact-honey-bee-pathophysiology
#12
Dennis vanEngelsdorp, Kirsten S Traynor, Michael Andree, Elinor M Lichtenberg, Yanping Chen, Claude Saegerman, Diana L Cox-Foster
Honey bee (Apis mellifera) colonies continue to experience high annual losses that remain poorly explained. Numerous interacting factors have been linked to colony declines. Understanding the pathways linking pathophysiology with symptoms is an important step in understanding the mechanisms of disease. In this study we examined the specific pathologies associated with honey bees collected from colonies suffering from Colony Collapse Disorder (CCD) and compared these with bees collected from apparently healthy colonies...
2017: PloS One
https://www.readbyqxmd.com/read/28714567/comparison-of-the-effects-of-topical-application-of-umf20-and-umf5-manuka-honey-with-a-generic-multifloral-honey-on-wound-healing-variables-in-an-uncontaminated-surgical-equine-distal-limb-wound-model
#13
A S Tsang, A J Dart, A Sole-Guitart, C M Dart, N R Perkins, L B Jeffcott
OBJECTIVE: To compare the effect of application of manuka honey with unique manuka factor (UMF) 5 or 20 with a generic multifloral honey on equine wound healing variables. METHODS: Two full-thickness skin wounds (2.5 × 2.5 cm) were created on the metatarsus of both hindlimbs of eight Standardbred horses. The wounds on each horse were assigned to 1 of 4 treatments: UMF20 (UMF20) and UMF5 (UMF5) manuka honey; generic multifloral honey (GH); and a saline control...
July 17, 2017: Australian Veterinary Journal
https://www.readbyqxmd.com/read/28713663/correlation-between-glycated-hemoglobin-and-triglyceride-level-in-type-2-diabetes-mellitus
#14
Syeda Naqvi, Shabnam Naveed, Zeeshan Ali, Syed Masroor Ahmad, Raad Asadullah Khan, Honey Raj, Shoaib Shariff, Chintan Rupareliya, Fatima Zahra, Saba Khan
CONTEXT: Dyslipidemia is quite prevalent in non-insulin dependent diabetes mellitus. Maintaining tight glycemic along with lipid control plays an essential role in preventing micro- and macro-vascular complications associated with diabetes. PURPOSE: The main purpose of the study was to highlight the relationship between glycosylated hemoglobin (HbA1c) and triglyceride levels. This may in turn help in predicting the triglyceride status of type 2 diabetics and therefore identifying patients at increased risk from cardiovascular events...
June 13, 2017: Curēus
https://www.readbyqxmd.com/read/28713010/hemolectin-expression-reveals-functional-heterogeneity-in-honey-bee-apis-mellifera-hemocytes
#15
Erika Gábor, Gyöngyi Cinege, Gábor Csordás, Tibor Török, Katalin Folkl-Medzihradszky, Zsuzsanna Darula, István Andó, Éva Kurucz
The identification of molecular markers considerably facilitated the classification and functional analysis of blood cell types. Apis mellifera hemocytes have been classified by morphological criteria and lectin binding properties; however, the use of molecular markers has been minimal. Here we describe a monoclonal antibody to a non-phagocytic subpopulation of A. mellifera hemocytes and to a constituent of the hemolymph clot. We demonstrate that the antibody identifies the A. mellifera hemolectin, a protein carrying human von Willebrand factor homology domains, characteristic of proteins involved in blood coagulation and platelet aggregation in mammals...
July 13, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/28708507/effects-of-diluents-and-plasma-on-honey-bee-apis-mellifera-l-drone-frozen-thawed-semen-fertility
#16
REVIEW
Aziz Gül, Nuray Şahinler, Ali G Onal, Brandon K Hopkins, Walter S Sheppard
Cryopreservation is an advanced method used to protect germplasm in liquid nitrogen. Honey bees are of special interest to protect because of their pollination activity and critical role in agriculture. There has been important progress in the cryopreservation of honey bee germplasm in recent years, leading to practical recovery of genetic material for breeding purposes following freezing. However, there remains room for improvement and the goal of the present study was to evaluate the effect of different "extenders" added post-thaw on the fertilization rate of cryopreserved honey bee semen...
June 23, 2017: Theriogenology
https://www.readbyqxmd.com/read/28708420/dose-response-effect-of-tualang-honey-on-postprandial-antioxidant-activity-and-oxidative-stress-in-female-athletes-a-pilot-study
#17
Nur Syamsina Ahmad, Azlina Abdul Aziz, Kin Weng Kong, Mohamad Shariff A Hamid, Jadeera Phaik Geok Cheong, Sareena Hanim Hamzah
OBJECTIVES: Tualang honey (TH) contains antioxidants such as ascorbic acid, phenolic acids, and flavonoids that may be protective against oxidative stress of exercise. The aim of this study was to examine the postprandial antioxidant activity and oxidative stress after ingestion of high and low dosages of TH in female athletes. MATERIALS AND METHODS: Twenty female athletes (aged 21.3 [2.1] years; body weight [BW] 54.1 [5.7] kg) were randomly assigned into two groups and consumed either 1...
July 14, 2017: Journal of Alternative and Complementary Medicine: Research on Paradigm, Practice, and Policy
https://www.readbyqxmd.com/read/28706557/comparative-pharmacokinetics-and-bioavailability-of-three-ephedrines-in-rat-after-oral-administration-of-unprocessed-and-honey-fried-ephedra-extract-by-response-surface-experimental-design
#18
Yezhe Cheng, Yu Zhang, Hang Xing, Kun Qian, Longshan Zhao, Xiaohui Chen
Ephedra have been used as a common traditional Chinese medicine for thousands of years. However, the perspiration effect of the unprocessed ephedra was too strong. Clinical trials have shown that processing methods play a critical role in moderating the perspiration property of ephedra according to the needs. A LC-MS/MS method was developed and validated to compare the pharmacokinetic properties of the three ephedrines after oral administration of unprocessed and honey-fried ephedra extract. The contents of honey, frying temperature, and frying time were set at 20%, 116°C, and 7 min by the Box-Behnken response surface method, respectively...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28704953/sugar-metabolism-in-hummingbirds-and-nectar-bats
#19
REVIEW
Raul K Suarez, Kenneth C Welch
Hummingbirds and nectar bats coevolved with the plants they visit to feed on floral nectars rich in sugars. The extremely high metabolic costs imposed by small size and hovering flight in combination with reliance upon sugars as their main source of dietary calories resulted in convergent evolution of a suite of structural and functional traits. These allow high rates of aerobic energy metabolism in the flight muscles, fueled almost entirely by the oxidation of dietary sugars, during flight. High intestinal sucrase activities enable high rates of sucrose hydrolysis...
July 12, 2017: Nutrients
https://www.readbyqxmd.com/read/28701955/therapeutic-properties-of-bioactive-compounds-from-different-honeybee-products
#20
REVIEW
Laura Cornara, Marco Biagi, Jianbo Xiao, Bruno Burlando
Honeybees produce honey, royal jelly, propolis, bee venom, bee pollen, and beeswax, which potentially benefit to humans due to the bioactives in them. Clinical standardization of these products is hindered by chemical variability depending on honeybee and botanical sources, but different molecules have been isolated and pharmacologically characterized. Major honey bioactives include phenolics, methylglyoxal, royal jelly proteins (MRJPs), and oligosaccharides. In royal jelly there are antimicrobial jelleins and royalisin peptides, MRJPs, and hydroxy-decenoic acid derivatives, notably 10-hydroxy-2-decenoic acid (10-HDA), with antimicrobial, anti-inflammatory, immunomodulatory, neuromodulatory, metabolic syndrome preventing, and anti-aging activities...
2017: Frontiers in Pharmacology
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