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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1007/s10646-017-1868-2
|2 doi
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2 |
|a pubmed24n0924.xml
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|a (DE-627)NLM27735787X
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|a (NLM)29067534
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a de Mattos, Igor Medici
|e verfasserin
|4 aut
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| 245 |
1 |
0 |
|a Mitigating effects of pollen during paraquat exposure on gene expression and pathogen prevalence in Apis mellifera L
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| 264 |
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|c 2018
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 11.01.2018
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Honey bee (Apis mellifera L.) populations have been experiencing notable mortality in Europe and North America. No single cause has been identified for these dramatic losses, but rather multiple interacting factors are likely responsible (such as pesticides, malnutrition, habitat loss, and pathogens). Paraquat is one of the most widely used non-selective herbicides, especially in developing countries. This herbicide is considered slightly toxic to honey bees, despite being reported as a highly effective inducer of oxidative stress in a wide range of living systems. Here, we test the effects of paraquat on the expression of detoxification and antioxidant-related genes, as well as on the dynamics of pathogen titers. Moreover, we tested the effects of pollen as mitigating factor to paraquat exposure. Our results show significant changes in the expression of several antioxidant-related and detoxification-related genes in the presence of paraquat, as well as an increase of pathogens titers. Finally, we demonstrate a mitigating effect of pollen through the up-regulation of specific genes and improvement of survival of bees exposed to paraquat. The presence of pollen in the diet was also correlated with a reduced prevalence of Nosema and viral pathogens. We discuss the importance of honey bees' nutrition, especially the availability of pollen, on colony losses chronically reported in the USA and Europe
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| 650 |
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4 |
|a Journal Article
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| 650 |
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4 |
|a Apis mellifera
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| 650 |
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4 |
|a Bee bread
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| 650 |
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4 |
|a Oxidative stress
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| 650 |
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4 |
|a Paraquat
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| 650 |
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4 |
|a Pollen
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| 650 |
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4 |
|a Virus
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| 650 |
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7 |
|a Antioxidants
|2 NLM
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| 650 |
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7 |
|a Herbicides
|2 NLM
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| 650 |
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7 |
|a Paraquat
|2 NLM
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| 650 |
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7 |
|a PLG39H7695
|2 NLM
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| 700 |
1 |
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|a Soares, Ademilson E E
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tarpy, David R
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Ecotoxicology (London, England)
|d 1992
|g 27(2018), 1 vom: 24. Jan., Seite 32-44
|w (DE-627)NLM098212214
|x 1573-3017
|7 nnns
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| 773 |
1 |
8 |
|g volume:27
|g year:2018
|g number:1
|g day:24
|g month:01
|g pages:32-44
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| 856 |
4 |
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|u http://dx.doi.org/10.1007/s10646-017-1868-2
|3 Volltext
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| 952 |
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|d 27
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|h 32-44
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