Gene expression in honey bee (Apis mellifera) larvae exposed to pesticides and Varroa mites (Varroa destructor)

2012 ◽  
Vol 58 (8) ◽  
pp. 1042-1049 ◽  
Author(s):  
Aleš Gregorc ◽  
Jay D. Evans ◽  
Mike Scharf ◽  
James D. Ellis
Keyword(s):  
Gene Expression ◽  
Apis Mellifera ◽  
Honey Bee ◽  
Varroa Destructor ◽  
Varroa Mites

scholarly journals Immune related gene expression in worker honey bee (Apis mellifera carnica) pupae exposed to neonicotinoid thiamethoxam and Varroa mites (Varroa destructor)

PLoS ONE ◽  
2017 ◽  
Vol 12 (10) ◽  
pp. e0187079 ◽  
Author(s):  
Tanja Tesovnik ◽  
Ivanka Cizelj ◽  
Minja Zorc ◽  
Manuela Čitar ◽  
Janko Božič ◽  
...  
Keyword(s):  
Gene Expression ◽  
Apis Mellifera ◽  
Honey Bee ◽  
Varroa Destructor ◽  
Related Gene ◽  
Apis Mellifera Carnica ◽  
Immune Related Gene ◽  
Varroa Mites

scholarly journals Differential gene expression of the honey bee Apis mellifera associated with Varroa destructor infection

BMC Genomics ◽  
2008 ◽  
Vol 9 (1) ◽  
pp. 301 ◽  
Author(s):  
M Navajas ◽  
A Migeon ◽  
C Alaux ◽  
ML Martin-Magniette ◽  
GE Robinson ◽  
...  
Keyword(s):  
Gene Expression ◽  
Apis Mellifera ◽  
Honey Bee ◽  
Differential Gene Expression ◽  
Varroa Destructor ◽  
Differential Gene

scholarly journals Brood removal or queen caging combined with oxalic acid treatment to control varroa mites (Varroa destructor) in honey bee colonies (Apis mellifera)

Apidologie ◽  
2017 ◽  
Vol 48 (6) ◽  
pp. 821-832 ◽  
Author(s):  
Aleš Gregorc ◽  
Mohamed Alburaki ◽  
Chris Werle ◽  
Patricia R. Knight ◽  
John Adamczyk
Keyword(s):  
Apis Mellifera ◽  
Oxalic Acid ◽  
Honey Bee ◽  
Varroa Destructor ◽  
Acid Treatment ◽  
Varroa Mites ◽  
Bee Colonies

scholarly journals Expression and Activity of Lysozyme in Apis Mellifera Carnica Brood Infested with Varroa Destructor

2017 ◽  
Vol 61 (2) ◽  
pp. 253-256 ◽  
Author(s):  
Ewa A. Zaobidna ◽  
Krystyna Żółtowska ◽  
Elżbieta Łopieńska-Biernat
Keyword(s):  
Gene Expression ◽  
Apis Mellifera ◽  
Honey Bee ◽  
Varroa Destructor ◽  
Developmental Stages ◽  
Lysozyme Activity ◽  
Apis Mellifera Carnica ◽  
Relative Expression ◽  
Stage Of Development ◽  
And Gender

Abstract Varroa destructor is a parasitic mite that attacks the honey bee, and previous studies have suggested that parasitosis caused by this mite is accompanied by immunosuppresion in the host. In this study, the effect of mite infestation on the expression of the lysozyme-1 (lys-1) gene and lysozyme activity in Apis mellifera carnica was determined. The experiment was carried out on the five developmental stages of honey bee workers and drones. Developmental and gender-related differences in gene expression and lysozyme activity were observed in a Varroa destructor-infested brood. The relative expression of the lys-1 gene increased in a infested worker brood and decreased in a drone brood except for P3 pupae. In the final stage of development, the lys-1 gene expression was significantly lower in infested newly emerged workers and drones. Changes in the relative expression of the lys-1 gene in infested individuals was poorly manifested at the level of enzyme activity, whereas at the two final stages of development (P5 and I) there was a positive correlation between relative lys-1 expression and lysozyme activity in infested bees of both genders (r=0.988, r=0.999, respectively). The results of this study indicate that V. destructor influences the lysozyme-linked immune response in bees.

scholarly journals Exploring Two Honey Bee Traits for Improving Resistance Against Varroa destructor: Development and Genetic Evaluation

Insects ◽  
2021 ◽  
Vol 12 (3) ◽  
pp. 216
Author(s):  
Matthieu Guichard ◽  
Benoît Droz ◽  
Evert W. Brascamp ◽  
Adrien von Virag ◽  
Markus Neuditschko ◽  
...  
Keyword(s):  
Apis Mellifera ◽  
Honey Bee ◽  
Honey Bees ◽  
Varroa Destructor ◽  
Field Trial ◽  
Genetic Evaluation ◽  
Phenotypic Correlation ◽  
Apis Mellifera Mellifera ◽  
Novel Traits ◽  
Resistance Traits

For the development of novel selection traits in honey bees, applicability under field conditions is crucial. We thus evaluated two novel traits intended to provide resistance against the ectoparasitic mite Varroa destructor and to allow for their straightforward implementation in honey bee selection. These traits are new field estimates of already-described colony traits: brood recapping rate (‘Recapping’) and solidness (‘Solidness’). ‘Recapping’ refers to a specific worker characteristic wherein they reseal a capped and partly opened cell containing a pupa, whilst ‘Solidness’ assesses the percentage of capped brood in a predefined area. According to the literature and beekeepers’ experiences, a higher recapping rate and higher solidness could be related to resistance to V. destructor. During a four-year field trial in Switzerland, the two resistance traits were assessed in a total of 121 colonies of Apis mellifera mellifera. We estimated the repeatability and the heritability of the two traits and determined their phenotypic correlations with commonly applied selection traits, including other putative resistance traits. Both traits showed low repeatability between different measurements within each year. ‘Recapping’ had a low heritability (h2 = 0.04 to 0.05, depending on the selected model) and a negative phenotypic correlation to non-removal of pin-killed brood (r = −0.23). The heritability of ‘Solidness’ was moderate (h2 = 0.24 to 0.25) and did not significantly correlate with resistance traits. The two traits did not show an association with V. destructor infestation levels. Further research is needed to confirm the results, as only a small number of colonies was evaluated.

scholarly journals Genomic survey of the ectoparasitic mite Varroa destructor, a major pest of the honey bee Apis mellifera

BMC Genomics ◽  
2010 ◽  
Vol 11 (1) ◽  
Author(s):  
R Scott Cornman ◽  
Michael C Schatz ◽  
J Spencer Johnston ◽  
Yan-Ping Chen ◽  
Jeff Pettis ◽  
...  
Keyword(s):  
Apis Mellifera ◽  
Honey Bee ◽  
Varroa Destructor ◽  
Major Pest
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