Results 51 to 60 of about 8,712 (203)

Diet and cell size both affect queen-worker differentiation through DNA methylation in honey bees (Apis mellifera, Apidae). [PDF]

open access: yesPLoS ONE, 2011
Young larvae of the honey bee (Apis mellifera) are totipotent; they can become either queens (reproductives) or workers (largely sterile helpers). DNA methylation has been shown to play an important role in this differentiation. In this study, we examine
Yuan Yuan Shi   +5 more
doaj   +1 more source

Morphometric study of Yemeni (Apis mellifera jemenitica) and Carniolan (A. m. carnica) honeybee workers in Saudi Arabia.

open access: yesPLoS ONE, 2021
The Yemeni honeybee (Apis mellifera jemenitica Ruttner) is the native race in Saudi Arabia. The Carniolan honeybee (A. m. carnica Pollmann) and its hybrid with the Egyptian honeybee (A. m.
Saad N Al-Kahtani, El-Kazafy A Taha
doaj   +1 more source

Quantifying Abdominal Coloration of Worker Honey Bees

open access: yesInsects
The main drawback in using coloration to identify honey bee subspecies is the lack of knowledge regarding genetic background, subjectivity of coloration grading, and the effect of the environment. The aim of our study was to evaluate the effect of environmental temperature on the abdominal coloration of honey bee workers and to develop a tool for ...
Jernej Bubnič, Janez Prešern
openaire   +4 more sources

Honey bee PTEN--description, developmental knockdown, and tissue-specific expression of splice-variants correlated with alternative social phenotypes. [PDF]

open access: yesPLoS ONE, 2011
Phosphatase and TENsin (PTEN) homolog is a negative regulator that takes part in IIS (insulin/insulin-like signaling) and Egfr (epidermal growth factor receptor) activation in Drosophila melanogaster.
Navdeep S Mutti   +3 more
doaj   +1 more source

Behavioral Control of Workers by Queens in Primitively Eusocial Bees

open access: yesScience, 1977
Queens of Lasioglossum zephyrum , a primitively eusocial bee, are considerably more active than workers. The queen's behavior stimulates worker activities; removal of the queen results in a marked reduction in activities of other bees.
Breed, Michael D., Gamboa, George J.
openaire   +4 more sources

Identification of ecdysone receptor target genes in the worker honey bee brains during foraging behavior

open access: yesScientific Reports, 2023
Ecdysone signaling plays central roles in morphogenesis and female ovarian development in holometabolous insects. In the European honey bee (Apis mellifera L.), however, ecdysone receptor (EcR) is expressed in the brains of adult workers, which have ...
Shiori Iino   +4 more
doaj   +1 more source

Cytotoxic and apoptotic effectiveness of Cypriot honeybee (Apis mellifera cypria) venom on various cancer cells

open access: yesTürk Biyokimya Dergisi
The bee stinger is the defense organ of honeybees. The venom sac of a worker bee is connected to its stinger, which is used as a defense mechanism, and it has a potent and complex combination of substances that is unique in the animal kingdom.
Nalbantsoy Ayşe   +3 more
doaj   +1 more source

The effect of the brood and the queen on early gene expression in bumble bee workers' brains

open access: yesScientific Reports, 2022
Worker reproduction in social insects is often regulated by the queen, but can be regulated by the brood and nestmates, who may use different mechanisms to induce the same outcomes in subordinates. Analysis of brain gene expression patterns in bumble bee
Priscila K. F. Santos   +3 more
doaj   +1 more source

The colony environment modulates sleep in honey bee workers [PDF]

open access: yesJournal of Experimental Biology, 2014
Abstract One of the most important and evolutionarily conserved roles of sleep is the processing and consolidation of information acquired during wakefulness. In both insects and mammals, environmental and social stimuli can modify sleep physiology and behavior, yet relatively little is known about the specifics of the wake experiences ...
Ada Eban-Rothschild, Guy Bloch
openaire   +3 more sources

Taxonomic revision and identification keys for the giant honey bees

open access: yesFrontiers in Bee Science
IntroductionThe taxonomy and phylogeny of the giant honey bees (Apis; subgenus Megapis) remain controversial and unresolved. The species boundaries within the subgenus are unclear, and some species that are recognized on the basis of genetic differences ...
Nyaton Kitnya   +4 more
doaj   +1 more source

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