keyword
MENU ▼
Read by QxMD icon Read
search

Honeybee

keyword
https://www.readbyqxmd.com/read/28936680/use-of-honeybees-apis-mellifera-l-as-bioindicators-for-assessment-and-source-appointment-of-metal-pollution
#1
Nenad M Zarić, Konstantin Ilijević, Ljubiša Stanisavljević, Ivan Gržetić
The ability of honeybees to collect particulate matter (PM) on their bodies makes them outstanding bioindicators. In this study, two cities, Pančevo (PA) and Vršac (VS), South Banat district, Vojvodina, Serbia, were covered with two sampling sites each. The aims of this study were to determine concentrations of Al, Ba, Cd, Co, Cr, Cu, Fe, Mn, Na, Ni, Sr, and Zn in the bodies of honeybees during July and September of 2013, 2014, and 2015 and to analyze their spatial and temporal variations and sources of analyzed elements, as well as to assess pollution levels in the two cities...
September 21, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28935437/responses-to-sugar-and-sugar-receptor-gene-expression-in-different-social-roles-of-the-honeybee-apis-mellifera
#2
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
#3
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/28932770/potential-distribution-dataset-of-honeybees-in-indian-ocean-islands-case-study-of-zanzibar-island
#4
Sizah Mwalusepo, Eliud Muli, Kiatoko Nkoba, Everlyn Nguku, Joseph Kilonzo, Elfatih M Abdel-Rahman, Tobias Landmann, Asha Fakih, Suresh Raina
Honeybees (Apis mellifera) are principal insect pollinators, whose worldwide distribution and abundance is known to largely depend on climatic conditions. However, the presence records dataset on potential distribution of honeybees in Indian Ocean Islands remain less documented. Presence records in shape format and probability of occurrence of honeybees with different temperature change scenarios is provided in this article across Zanzibar Island. Maximum entropy (Maxent) package was used to analyse the potential distribution of honeybees...
October 2017: Data in Brief
https://www.readbyqxmd.com/read/28921711/foxp-expression-identifies-a-kenyon-cell-subtype-in-the-honeybee-mushroom-bodies-linking-them-to-fruitfly-%C3%AE-%C3%AE-c-neurons
#5
Adriana Schatton, Constance Scharff
The arthropod mushroom bodies (MB) are a higher order sensory integration center. In insects, they play a central role in associative olfactory learning and memory. In Drosophila melanogaster (Dm), the highly ordered connectivity of heterogeneous MB neuron populations has been mapped using sophisticated molecular genetic and anatomical techniques. The MB-core subpopulation was recently shown to express the transcription factor FoxP with relevance for decision-making. Here we report the development and adult distribution of a FoxP-expressing neuron population in the MB of honeybees (Apis mellifera, Am) using in situ hybridization and a custom-made antiserum...
September 16, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28917651/bacteriophages-as-an-alternative-to-conventional-antibiotic-use-for-the-prevention-or-treatment-of-paenibacillus-larvae-in-honeybee-hives
#6
T Scott Brady, Bryan D Merrill, Jared A Hilton, Ashley M Payne, Michael B Stephenson, Sandra Hope
American Foulbrood (AFB) is an infectious disease caused by the bacteria, Paenibacillus larvae. P. larvae phages were isolated and tested to determine each phages' host range amongst 59 field isolate strains of P. larvae. Three phages were selected to create a phage cocktail for the treatment of AFB infections according to the combined phages' ability to lyse all tested strains of bacteria. Studies were performed to demonstrate the safety and efficacy of the phage cocktail treatment as a replacement for traditional antibiotics for the prevention of AFB and the treatment of active infections...
September 13, 2017: Journal of Invertebrate Pathology
https://www.readbyqxmd.com/read/28917645/anti-fibrinolytic-and-anti-microbial-activities-of-a-serine-protease-inhibitor-from-honeybee-apis-cerana-venom
#7
Jie Yang, Kwang Sik Lee, Bo Yeon Kim, Yong Soo Choi, Hyung Joo Yoon, Jingming Jia, Byung Rae Jin
Bee venom contains a variety of peptide constituents, including low-molecular-weight protease inhibitors. While the putative low-molecular-weight serine protease inhibitor Api m 6 containing a trypsin inhibitor-like cysteine-rich domain was identified from honeybee (Apis mellifera) venom, no anti-fibrinolytic or anti-microbial roles for this inhibitor have been elucidated. In this study, we identified an Asiatic honeybee (A. cerana) venom serine protease inhibitor (AcVSPI) that was shown to act as a microbial serine protease inhibitor and plasmin inhibitor...
September 13, 2017: Comparative Biochemistry and Physiology. Toxicology & Pharmacology: CBP
https://www.readbyqxmd.com/read/28917001/a-neural-network-model-for-familiarity-and-context-learning-during-honeybee-foraging-flights
#8
Jurek Müller, Martin Nawrot, Randolf Menzel, Tim Landgraf
How complex is the memory structure that honeybees use to navigate? Recently, an insect-inspired parsimonious spiking neural network model was proposed that enabled simulated ground-moving agents to follow learned routes. We adapted this model to flying insects and evaluate the route following performance in three different worlds with gradually decreasing object density. In addition, we propose an extension to the model to enable the model to associate sensory input with a behavioral context, such as foraging or homing...
September 15, 2017: Biological Cybernetics
https://www.readbyqxmd.com/read/28912693/octopamine-underlies-the-counter-regulatory-response-to-a-glucose-deficit-in-honeybees-apis-mellifera
#9
Christina Buckemüller, Oliver Siehler, Josefine Göbel, Richard Zeumer, Anja Ölschläger, Dorothea Eisenhardt
An animal's internal state is a critical parameter required for adaptation to a given environment. An important aspect of an animal's internal state is the energy state that is adjusted to the needs of an animal by energy homeostasis. Glucose is one essential source of energy, especially for the brain. A shortage of glucose therefore triggers a complex response to restore the animal's glucose supply. This counter-regulatory response to a glucose deficit includes metabolic responses like the mobilization of glucose from internal glucose stores and behavioral responses like increased foraging and a rapid intake of food...
2017: Frontiers in Systems Neuroscience
https://www.readbyqxmd.com/read/28912257/nurse-honeybee-workers-tend-capped-brood-which-does-not-require-feeding-around-the-clock
#10
Moshe Nagari, Yafit Brenner, Guy Bloch
"Nurse" honeybees tend brood around-the-clock with attenuated or no circadian rhythms, but the brood signals inducing this behavior remain elusive. We first tested the hypothesis that worker circadian rhythms are regulated by brood pheromones. We monitored locomotor activity of individually isolated nurse bees that were either exposed to various doses of larval extracts or synthetic brood ester pheromone (BEP). Bees orally treated with larvae extracts showed attenuated circadian rhythms in one of four tested colonies; a similar but statistically non-significant trend was seen in two additional colonies...
September 14, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28912256/mitochondrial-capacity-oxidative-damage-and-hypoxia-gene-expression-are-associated-with-age-related-division-of-labor-in-honey-bee-apis-mellifera-l-workers
#11
Mário S Cervoni, Carlos A M Cardoso-Júnior, Giovana Craveiro, Anderson de O Souza, Luciane C Alberici, Klaus Hartfelder
During adult life, honeybee workers undergo a succession of behavioral states. Nurses bees perform tasks inside the nest, and when they are about 2-3 weeks old they initiate foraging. This switch is associated with alterations in diet, and with the levels of juvenile hormone and vitellogenin circulating in hemolymph. Less clear is whether this behavioral maturation involves major changes at the cellular level, such as mitochondrial activity and the redox environment in the head, thorax and abdomen. Using high-resolution respirometry, biochemical assays and RT-qPCR, we evaluated the association of these parameters with this behavioral change...
September 14, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28899513/mechanisms-underlying-the-wound-healing-potential-of-propolis-based-on-its-in-vitro-antioxidant-activity
#12
Xue-Ping Cao, Yi-Fan Chen, Jiang-Lin Zhang, Meng-Meng You, Kai Wang, Fu-Liang Hu
BACKGROUND: Propolis is a resinous substance collected by honeybees, Apis mellifera, from various plant sources. Having various pharmacological and biological activities, it has been used in folk medicine and complementary therapies since ancient times. PURPOSE: To evaluate the effects and underlying mechanism of the protective effects of the ethanol extract of Chinese propolis (EECP) on L929 cells injured by hydrogen peroxide (H2O2). STUDY DESIGN: The wound healing activities of EECP in L929 cells with H2O2-induced damage were investigated...
October 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28893272/killed-whole-hiv-vaccine-employing-a-well-established-strategy-for-antiviral-vaccines
#13
REVIEW
C Yong Kang, Yong Gao
The development of an efficient prophylactic HIV vaccine has been one of the major challenges in infectious disease research during the last three decades. Here, we present a mini review on strategies employed for the development of HIV vaccines with an emphasis on a well-established vaccine technology, the killed whole-virus vaccine approach. Recently, we reported an evaluation of the safety and the immunogenicity of a genetically modified and killed whole-HIV-1 vaccine designated as SAV001 [1]. HIV-1 Clade B NL4-3 was genetically modified by deleting the nef and vpu genes and substituting the coding sequence of the Env signal peptide with that of honeybee melittin to produce an avirulent and replication efficient HIV-1...
September 12, 2017: AIDS Research and Therapy
https://www.readbyqxmd.com/read/28892643/comparison-of-the-effects-of-i-sub-k-ach-sub-i-sub-kr-sub-and-i-sub-na-sub-block-in-conscious-dogs-with-atrial-fibrillation-and-on-action-potentials-in-remodeled-atrial-trabeculae
#14
Viktor Juhász, Tibor Hornyik, Attila Benák, Norbert Nagy, Zoltan Husti, Robert Pap, László Sághy, László Virág, András Varró, István Baczkó
Atrial fibrillation (AF) is the most common sustained cardiac arrhythmia and a major cause of morbidity and mortality. Traditional antiarrhythmic agents used for restoration of sinus rhythm have limited efficacy in long-term AF and they may possess ventricular proarrhythmic adverse effects, especially in patients with structural heart disease. The acetylcholin receptor-activated potassium channel (I<sub>K,ACh</sub>) represents an atrial-selective target for future AF management. We investigated the effects of the I<sub>K,ACh</sub> blocker tertiapin-Q (TQ), a derivative of the honeybee toxin tertiapin, on chronic atrial tachypacing induced AF in conscious dogs, without the influence of anesthetics that modulate a number of cardiac ion channels...
September 11, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28889361/brevibacillus-laterosporus-isolated-from-the-digestive-tract-of-honeybees-has-high-antimicrobial-activity-and-promotes-growth-and-productivity-of-honeybee-s-colonies
#15
Jamal M Khaled, Fahd A Al-Mekhlafi, Ramzi A Mothana, Naiyf S Alharbi, Khalid E Alzaharni, Anwar H Sharafaddin, Shine Kadaikunnan, Ahmed S Alobaidi, Noofal I Bayaqoob, Marimuthu Govindarajan, Giovanni Benelli
The development of novel antimicrobial drugs, as well as the discovery of novel compounds able to promote honeybee's growth, represents major challenges for modern entomology. The main aim of this study was to investigate whether Brevibacillus laterosporus isolated from the digestive tract of Saudi honeybees, Apis mellifera, was able to stimulate colony strength parameters of honeybees and to evaluate its ability to produce antimicrobial agents. Honeybees were collected in Dirab, Riyadh Region, Saudi Arabia, and microorganisms were isolated and identified by 16S ribosomal RNA analysis...
September 9, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28887644/habitat-fragmentation-leads-to-reduced-pollinator-visitation-fruit-production-and-recruitment-in-urban-mangrove-forests
#16
Tyge D Hermansen, Todd E Minchinton, David J Ayre
Mangrove forests worldwide undergo anthropogenic fragmentation that may threaten their existence, and yet there have been few tests of the effects of fragmentation on demographic processes critical for mangrove regeneration. Predicting the effects of habitat fragmentation on mangroves is problematic as pollinators may move more freely across water than terrestrial habitat, and propagules can be widely dispersed by water. Here, within each of two estuaries, we compared pollinator diversity and activity, reproductive effort and output, and rates of recruitment for sets of three large (>1500 trees), medium (300-500) and small (<50) stands...
September 8, 2017: Oecologia
https://www.readbyqxmd.com/read/28883629/reply-to-pitfalls-of-using-confocal-microscopy-based-automated-quantification-of-synaptic-complexes-in-honeybee-mushroom-bodies-response-to-peng-and-yang-2016
#17
Yi-Chan Peng, En-Cheng Yang
In a comment on our Article "Sublethal Dosage of Imidacloprid Reduces the Microglomerular Density of Honey Bee Mushroom Bodies", Rössler et al. assert that our reported counts are overall lower than previously reported due to the use of automated quantification. We address these issues in this reply.
September 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28879772/brain-membrane-proteome-and-phosphoproteome-reveal-molecular-basis-associating-with-nursing-and-foraging-behaviors-of-honeybee-workers
#18
Bin Han, Yu Fang, Mao Feng, Han Hu, Yue Hao, Chuan Ma, Xinmei Huo, Lifeng Meng, Xufeng Zhang, Fan Wu, Jianke Li
The brain is a vital organ in regulating complex social behaviors of honeybees including learning and memory. Knowledge of how brain membrane proteins and their phosphorylation underlie the age-related behavioral polyethism is still lacking. A hitherto age-resolved brain membrane proteome and phosphoproteome were reported in adult worker bees from two strains of honeybee (Apis mellifera ligustica): Italian bee (ITB) and Royal Jelly bee (RJB), a line selected from ITB for increased RJ outputs over 4 decades...
September 7, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28878985/task-allocation-and-site-fidelity-jointly-influence-foraging-regulation-in-honeybee-colonies
#19
Thiago Mosqueiro, Chelsea Cook, Ramon Huerta, Jürgen Gadau, Brian Smith, Noa Pinter-Wollman
Variation in behaviour among group members often impacts collective outcomes. Individuals may vary both in the task that they perform and in the persistence with which they perform each task. Although both the distribution of individuals among tasks and differences among individuals in behavioural persistence can each impact collective behaviour, we do not know if and how they jointly affect collective outcomes. Here, we use a detailed computational model to examine the joint impact of colony-level distribution among tasks and behavioural persistence of individuals, specifically their fidelity to particular resource sites, on the collective trade-off between exploring for new resources and exploiting familiar ones...
August 2017: Royal Society Open Science
https://www.readbyqxmd.com/read/28875541/gene-duplication-and-the-evolution-of-phenotypic-diversity-in-insect-societies
#20
Linh M Chau, Michael A D Goodisman
Gene duplication is an important evolutionary process thought to facilitate the evolution of phenotypic diversity. We investigated if gene duplication was associated with the evolution of phenotypic differences in a highly social insect, the honeybee Apis mellifera. We hypothesized that the genetic redundancy provided by gene duplication could promote the evolution of social and sexual phenotypes associated with advanced societies. We found a positive correlation between sociality and rate of gene duplications across the Apoidea, indicating that gene duplication may be associated with sociality...
September 6, 2017: Evolution; International Journal of Organic Evolution
keyword
keyword
69222
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"