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https://www.readbyqxmd.com/read/29140998/using-whole-genome-sequencing-to-study-american-foulbrood-epidemiology-in-honeybees
#1
Joakim Ågren, Marc Oliver Schäfer, Eva Forsgren
American foulbrood (AFB), caused by Paenibacillus larvae, is a devastating disease in honeybees. In most countries, the disease is controlled through compulsory burning of symptomatic colonies causing major economic losses in apiculture. The pathogen is endemic to honeybees world-wide and is readily transmitted via the movement of hive equipment or bees. Molecular epidemiology of AFB currently largely relies on placing isolates in one of four ERIC-genotypes. However, a more powerful alternative is multi-locus sequence typing (MLST) using whole-genome sequencing (WGS), which allows for high-resolution studies of disease outbreaks...
2017: PloS One
https://www.readbyqxmd.com/read/29140765/quantitative-weight-of-evidence-assessment-of-higher-tier-studies-on-the-toxicity-and-risks-of-neonicotinoids-in-honeybees-2-imidacloprid
#2
Gladys L Stephenson, Keith R Solomon
A quantitative weight of evidence (QWoE) methodology was used to assess higher-tier studies on the effects of imidacloprid (IMI) on honeybees. Assessment endpoints were population size and viability of commercially managed bees and quantity of hive products. A colony-level no-observed-adverse effect concentration (NOAEC) of 25 µg IMI/kg syrup, equivalent to an oral no-observed-adverse-effect-dose of 7.3 ng/bee/d for all responses, was measured. The overall weight of evidence indicates that there is minimal risk to honeybees from exposure to IMI from its use as a seed treatment...
November 15, 2017: Journal of Toxicology and Environmental Health. Part B, Critical Reviews
https://www.readbyqxmd.com/read/29133321/can-physical-assessment-techniques-aid-diagnosis-in-people-with-chronic-fatigue-syndrome-myalgic-encephalomyelitis-a-diagnostic-accuracy-study
#3
Lucy Hives, Alice Bradley, Jim Richards, Chris Sutton, James Selfe, Bhaskar Basu, Kerry Maguire, Gail Sumner, Tarek Gaber, Annice Mukherjee, Raymond N Perrin
OBJECTIVE: To assess five physical signs to see whether they can assist in the screening of patients with chronic fatigue syndrome/myalgic encephalomyelitis (CFS/ME) and potentially lead to quicker treatment. METHODS: This was a diagnostic accuracy study with inter-rater agreement assessment. Participants recruited from two National Health Service hospitals, local CFS/ME support groups and the community were examined by three practitioners on the same day in a randomised order...
November 13, 2017: BMJ Open
https://www.readbyqxmd.com/read/29125881/chemical-and-cultural-control-of-tropilaelaps-mercedesae-mites-in-honeybee-apis-mellifera-colonies-in-northern-thailand
#4
Jeffery S Pettis, Robyn Rose, Veeranan Chaimanee
At least two parasitic mites have moved from Asian species of honeybees to infest Apis mellifera. Of these two, Varroa destructor is more widespread globally while Tropilaelaps mercedesae has remained largely in Asia. Tropilaelaps mites are most problematic when A. mellifera is managed outside its native range in contact with Asian species of Apis. In areas where this occurs, beekeepers of A. mellifera treat aggressively for Tropilaelaps and Varroa is either outcompeted or is controlled as a result of the aggressive treatment regime used against Tropilaelaps...
2017: PloS One
https://www.readbyqxmd.com/read/29122420/locked-in-and-growing-old-the-psychiatric-forensic-and-cognitive-correlates-of-30-years-of-psychiatric-hospitalization
#5
Frederick Hives, Kenny A Karyadi, Steve Nitch, Dominique Kinney
OBJECTIVE: As the number of older adults in the United States continues to grow, the population of older adults with severe mental illness in institutional settings (OASIS) is expected to place a significant demand on healthcare resources. This study presents an update to research regarding the clinical characteristics of OASIS inpatients with histories of extensive hospitalization through the use of a newly developed psychiatric measure: the Clinician-Rated Dimension of Psychosis Symptom Severity...
October 12, 2017: American Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/29117233/dietary-amino-acid-and-vitamin-complex-protects-honey-bee-from-immunosuppression-caused-by-nosema-ceranae
#6
Uros Glavinic, Biljana Stankovic, Vladimir Draskovic, Jevrosima Stevanovic, Tamas Petrovic, Nada Lakic, Zoran Stanimirovic
Microsporidium Nosema ceranae is well known for exerting a negative impact on honey bee health, including down-regulation of immunoregulatory genes. Protein nutrition has been proven to have beneficial effects on bee immunity and other aspects of bee health. Bearing this in mind, the aim of our study was to evaluate the potential of a dietary amino acid and vitamin complex "BEEWELL AminoPlus" to protect honey bees from immunosuppression induced by N. ceranae. In a laboratory experiment bees were infected with N...
2017: PloS One
https://www.readbyqxmd.com/read/29103448/adverse-clinical-events-reported-during-invisalign-treatment-analysis-of-the-maude-database
#7
Veerasathpurush Allareddy, Romesh Nalliah, Min Kyeong Lee, Sankeerth Rampa, Veerajalandhar Allareddy
INTRODUCTION: The objectives of this study were to examine adverse clinical events after the use of the Invisalign system and to provide an overview of the actions taken by the manufacturer to address these events. METHODS: A retrospective analysis of the Manufacturer and User Facility Device Experience database of the United States Food and Drug Administration was used. All medical device reports reported to the United States Food and Drug Administration pertaining to products of Align Technology from November 1, 2006, to November 30, 2016, were analyzed...
November 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/29097457/complete-mitochondrial-genome-sequence-of-aethina-tumida-coleoptera-nitidulidae-a-beekeeping-pest
#8
Véronique Duquesne, Aurélie Delcont, Anthéa Huleux, Véronique Beven, Fabrice Touzain, Magali Ribière-Chabert
We report here the full mitochondrial genome sequence of Aethina tumida, a Nitidulidae species beetle, that is a pest of bee hives. The obtained sequence is 16,576 bp in length and contains 13 protein-coding genes, 2 rRNA genes, and 22 tRNAs.
November 2, 2017: Genome Announcements
https://www.readbyqxmd.com/read/29096051/identification-and-initial-characterization-of-novel-neural-immediate-early-genes-possibly-differentially-contributing-to-foraging-related-learning-and-memory-processes-in-the-honeybee
#9
A Ugajin, H Uchiyama, T Miyata, T Sasaki, S Yajima, M Ono
Despite possessing a limited number of neurones compared to vertebrates, honeybees show remarkable learning and memory performance, an example being 'dance communication'. In this phenomenon, foraging honeybees learn the location of a newly discovered food source and transmit the information to nestmates by symbolic abdomen vibrating behaviour, leading to navigation of nestmates to the new food source. As an initial step toward understanding the detailed molecular mechanisms underlying the sophisticated learning and memory performance of the honeybee, we focused on the neural immediate early genes (IEGs), which are specific genes quickly transcribed after neural activity without de novo protein synthesis...
November 2, 2017: Insect Molecular Biology
https://www.readbyqxmd.com/read/29048804/-determination-of-characteristic-compound-in-manuka-honey-by-automatic-on-line-solid-phase-extraction-liquid-chromatography-high-resolution-mass-spectrometry
#10
Chongyu Shen, Siyan Guo, Tao Ding, Yun Liu, Lei Chen, Xiaoqing Fei, Rui Zhang, Bin Wu, Weijian Shen, Lei Chen, Feng Zhang, Feng Feng, Xiaojun Deng, Xionghai Yi, Gongjun Yang, Guoqiang Chen
A method for the determination of characteristic compound 3,5-dimethoxybenzoate-4-diglucoside (leptosperin) in manuka honey was developed by automatic on-line solid phase extraction-liquid chromatography-high resolution mass spectrometry (SPE-LC-HRMS). The samples were separated on a Dikma Diamonsil Plus C18 column (150 mm×4.6 mm, 5 μm) using the mobile phases of 0.1% (v/v) formic acid aqueous solution and acetonitrile with gradient elution. The compound was detected with negative electrospray ionization (ESI(-)) in Target-MS(2) mode...
October 8, 2017: Se Pu, Chinese Journal of Chromatography
https://www.readbyqxmd.com/read/29043489/comparative-transcriptome-analysis-of-apis-mellifera-antennae-of-workers-performing-different-tasks
#11
Hongyi Nie, Shupeng Xu, Cuiqin Xie, Haiyang Geng, Yazhou Zhao, Jianghong Li, Wei-Fone Huang, Yan Lin, Zhiguo Li, Songkun Su
Honey bee is a social insect. Its colony is mainly coordinated by the chemical signals such as pheromones produced by queen or brood. Correspondingly, the worker bee developed numerous complicated olfactory sensilla in antennae for detection of these colony chemical signals and nectar/pollen signals in foraging. With the normal development of new emerged workers, young adults (nurse bee) worked in colony at the first 2-3 weeks and then followed by the foraging activity outside of the hive, which give rise to great change of the surrounding chemical signals...
October 17, 2017: Molecular Genetics and Genomics: MGG
https://www.readbyqxmd.com/read/29032464/nutritional-composition-of-honey-bee-food-stores-vary-with-floral-composition
#12
Philip Donkersley, Glenn Rhodes, Roger W Pickup, Kevin C Jones, Eileen F Power, Geraldine A Wright, Kenneth Wilson
Sufficiently diverse and abundant resources are essential for generalist consumers, and form an important part of a suite of conservation strategies for pollinators. Honey bees are generalist foragers and are dependent on diverse forage to adequately meet their nutritional needs. Through analysis of stored pollen (bee bread) samples obtained from 26 honey bee (Apis mellifera L.) hives across NW-England, we quantified bee bread nutritional content and the plant species that produced these stores from pollen...
October 14, 2017: Oecologia
https://www.readbyqxmd.com/read/29029590/nutritional-physiology-and-ecology-of-honey-bees
#13
Geraldine A Wright, Susan W Nicolson, Sharoni Shafir
Honey bees feed on floral nectar and pollen that they store in their colonies as honey and bee bread. Social division of labor enables the collection of stores of food that are consumed by within-hive bees that convert stored pollen and honey into royal jelly. Royal jelly and other glandular secretions are the primary food of growing larvae and of the queen but are also fed to other colony members. Research clearly shows that bees regulate their intake, like other animals, around specific proportions of macronutrients...
October 13, 2017: Annual Review of Entomology
https://www.readbyqxmd.com/read/28993484/interneurons-in-the-honeybee-primary-auditory-center-responding-to-waggle-dance-like-vibration-pulses
#14
Hiroyuki Ai, Kazuki Kai, Ajayrama Kumaraswamy, Hidetoshi Ikeno, Thomas Wachtler
Female honeybees use the "waggle dance" to communicate the location of nectar sources to their hive mates. Distance information is encoded in the duration of the waggle phase (von Frisch, 1967). During the waggle phase, the dancer produces trains of vibration pulses, which are detected by the follower bees via Johnston's organ located on the antennae. To uncover the neural mechanisms underlying the encoding of distance information in the waggle dance follower, we investigated morphology, physiology, and immunohistochemistry of interneurons arborizing in the primary auditory center of the honeybee (Apis mellifera)...
November 1, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28981673/economic-risk-of-bee-pollination-in-maine-wild-blueberry-vaccinium-angustifolium
#15
Eric Asare, Aaron K Hoshide, Francis A Drummond, George K Criner, Xuan Chen
Recent pollinator declines highlight the importance of evaluating economic risk of agricultural systems heavily dependent on rented honey bees or native pollinators. Our study analyzed variability of native bees and honey bees, and the risks these pose to profitability of Maine's wild blueberry industry. We used cross-sectional data from organic, low-, medium-, and high-input wild blueberry producers in 1993, 1997-1998, 2005-2007, and from 2011 to 2015 (n = 162 fields). Data included native and honey bee densities (count/m2/min) and honey bee stocking densities (hives/ha)...
July 25, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28977020/age-specific-olfactory-attraction-between-western-honey-bee-drones-apis-mellifera-and-its-chemical-basis
#16
Florian Bastin, Fabrice Savarit, Grégory Lafon, Jean-Christophe Sandoz
During the mating season, drones (males) of the Western honey bee (Apis mellifera) form congregations numbering thousands high in the air. Virgin queens arrive at these congregations after they have formed and mate on the fly with 15-20 drones. To explain the formation of drone congregations, a drone-produced aggregation pheromone has been proposed many years ago but due to the low accessibility of natural mating sites in bees, its study has progressed slowly. Recently, we used a walking simulator in controlled laboratory conditions to show that drones are indeed attracted by groups of other drones...
2017: PloS One
https://www.readbyqxmd.com/read/28973060/evaluating-comorbidities-natural-history-and-predictors-of-early-resolution-in-a-cohort-of-children-with-chronic-urticaria
#17
Elena Netchiporouk, Denis Sasseville, Linda Moreau, Youssef Habel, Elham Rahme, Moshe Ben-Shoshan
Importance: Chronic urticaria (CU) affects 0.1% to 0.3% of children. Most cases have no identifiable trigger and are classified as chronic spontaneous urticaria (CSU). At least half of patients with CSU may have an autoimmune etiology that can be determined in vitro using the basophil activation test (BAT). While 30% to 55% of CU cases resolve spontaneously within 5 years in adults, the natural history and predictors of resolution in children are not known. Objective: To assess the comorbidities, natural history of CU, and its subtypes in children and identify predictors of resolution...
September 27, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28935437/responses-to-sugar-and-sugar-receptor-gene-expression-in-different-social-roles-of-the-honeybee-apis-mellifera
#18
Laura Değirmenci, Markus Thamm, Ricarda Scheiner
Honeybees (Apis mellifera) are well-known for their sophisticated division of labor with each bee performing sequentially a series of social tasks. Colony organization is largely based on age-dependent division of labor. While bees perform several tasks inside the hive such as caring for brood ("nursing"), cleaning or sealing brood cells or producing honey, older bees leave to colony to collect pollen (proteins) and nectar (carbohydrates) as foragers. The most pronounced behavioral transition occurs when nurse bees become foragers...
September 18, 2017: Journal of Insect Physiology
https://www.readbyqxmd.com/read/28934240/microbial-characterization-of-bee-pollen-from-the-vesuvius-area-collected-by-using-three-different-traps
#19
Gianluigi Mauriello, Annachiara De Prisco, Gennaro Di Prisco, Antonietta La Storia, Emilio Caprio
Flower pollen is collected by honeybee foragers, adhered on their rear legs and transported into the hives in the form of pellets. Once in the hives, bee pollen is moisturised with nectar and bee mouth secretions and due to enzymatically modifications it becomes the so-called bee-bread, the protein reservoir of young bees. Bee pollen can be artificially removed from bee legs and collected by using specific systems, the bee pollen traps. Bee pollen is commercialized for human consumption as fresh product and after freezing or drying...
2017: PloS One
https://www.readbyqxmd.com/read/28933718/authors-response
#20
Andrew S Perrotta, Andrew T Jeklin, Ben A Hives, Leah E Meanwell, Darren E R Warburton
No abstract text is available yet for this article.
October 2017: Journal of Strength and Conditioning Research
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