Christopher Mayack
Martin Luther University of Halle-Wittenberg
Publications 16
#1Christopher Mayack (MLU: Martin Luther University of Halle-Wittenberg)H-Index: 8
#2Nicole Phalen (Swarthmore College)
Last.Gro V. Amdam (NMBU: Norwegian University of Life Sciences)H-Index: 47
view all 8 authors...
Insects have rapidly changing energy demands, so they primarily rely on hemolymph and other carbohydrates to carry out life activities. However, how gustatory responsiveness and hemolymph sugar levels coordinate with one another to maintain energetic homeostasis in insects remains largely unknown for the highly social honeybee that goes through large physiological and behavioral changes. The potential role of biogenic amines and neuropeptides in the connection between the regulation of appetite ...
#1Christopher MayackH-Index: 8
Son yapilan kayip raporlari ile sadece bal arilari degil diger yabani arilar ve onlarin yaptigi tozlasma hizmeti gundeme gelmis oldu. Bu kayiplarin olusmasinda onemli faktorlerden biri ornegin thiacloprid gibi neonikotinoid bocek olduruculerin olumcul etkinin altindaki dozlari dusunulmektedir. Daha once yapilan calismalar gostermistirki bocek olduruculere karsi duyarliligi bal arilari uzerinde yapilan calismalari kullanarak yabani arilar icin genellestirmek dogru olmaz. Gerci guncel devlet duzen...
#1Robert L. BroadrupH-Index: 1
#2Christopher MayackH-Index: 8
Last.Anthony MacheroneH-Index: 2
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Honey bee (Apis mellifera) health has been severely impacted by multiple environmental stressors including parasitic infection, pesticide exposure, and poor nutrition. The decline in bee health is therefore a complex multifactorial problem which requires a holistic investigative approach. Within the exposome paradigm, the combined exposure to the environment, drugs, food, and individuals' internal biochemistry affects health in positive and negative ways. In the context of the exposome, honey be...
1 CitationsSource
#1Guntima Suwannapong (BUU: Burapha University)H-Index: 6
#2Samrit Maksong (BUU: Burapha University)H-Index: 3
Last.Christopher Mayack (Swarthmore College)H-Index: 8
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Abstract Nosema ceranae is now considered to be an emerging infectious disease of the European honey bee Apis mellifera. Only one antibiotic, Fumagillin, is commercially available to combat Nosema infections. This antibiotic treatment is banned from use in Europe and elsewhere there is a high probability for antibiotic resistance to develop. We are therefore interested in investigating the effects of a natural propolis extract on its ability to reduce N. ceranae infection loads in the dwarf hone...
3 CitationsSource
#1Helen K. WhiteH-Index: 13
#2Robert L. BroadrupH-Index: 1
Last.Anthony MacheroneH-Index: 2
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#1Robert L. Broadrup (Haverford College)H-Index: 1
#2Christopher Mayack (Swarthmore College)H-Index: 8
Last.Anthony Macherone (Agilent Technologies)H-Index: 2
view all 6 authors...
A pilot study was conducted to determine if exposome profiles of honey bees ( Apis mellifera ) are associated with Nosema ceranae infection and whether xenobiotic exposures effect changes in known biological pathways of bees. Thirty stationary hives were selected from seven apiaries representing urban and suburban geographies. Foraging bees were harvested during the summer of 2015 and analyzed for Nosema ceranae infection via semi-quantitative polymerase chain reaction (sq-PCR) and discovery-bas...
#1Christoph Kurze (MLU: Martin Luther University of Halle-Wittenberg)H-Index: 4
#2Christopher Mayack (MLU: Martin Luther University of Halle-Wittenberg)H-Index: 8
Last.Robin F. A. Moritz (MLU: Martin Luther University of Halle-Wittenberg)H-Index: 38
view all 7 authors...
Host-pathogen coevolution leads to reciprocal adaptations, allowing pathogens to increase host exploitation or hosts to minimise costs of infection. As pathogen resistance is often associated with considerable costs, tolerance may be an evolutionary alternative. Here, we examined the effect of two closely related and highly host dependent intracellular gut pathogens, Nosema apis and Nosema ceranae, on the energetic state in Nosema tolerant and sensitive honeybees facing the infection. We quantif...
18 CitationsSource
#1Christopher MayackH-Index: 8
#1Christopher Mayack (MLU: Martin Luther University of Halle-Wittenberg)H-Index: 8
#2Dhruba Naug (CSU: Colorado State University)H-Index: 17
Impulsivity, the widespread preference for a smaller and more immediate reward over a larger and more delayed reward, is known to vary across species, and the metabolic and social hypotheses present contrasting explanations for this variation. However, this presents a paradox for an animal such as the honeybee, which is highly social, yet has a high metabolic rate. We test between these two competing hypotheses by investigating the effect of hunger on impulsivity in bees isolated from their soci...
13 CitationsSource
#1Christopher Mayack (CSU: Colorado State University)H-Index: 8
#2Dhruba Naug (CSU: Colorado State University)H-Index: 17
The energetic state of an individual is a fundamental driver of its behavior. However, an individual in a eusocial group such as the honeybees is subject to the influence of both the individual and the colony energetic states. As these two states are normally coupled, it has led to the predominant view that behaviors, such as foraging, are dictated by the colony state acting through social regulatory mechanisms. Uncoupling the energetic state of an individual honeybee from its colony by feeding ...
17 CitationsSource