Results 1 to 10 of about 53,103 (247)

Heritable effects on caste determination and colony-level sex allocation in termites under field conditions [PDF]

open access: yesiScience, 2023
Summary: The ecological success of social insects is attributed to the division of labor, where newly hatched offspring differentiate into either fertile progeny or functionally sterile worker castes.
Mamoru Takata   +5 more
doaj   +2 more sources

Differential expression of some termite neuropeptides and insulin/IGF-related hormones and their plausible functions in growth, reproduction and caste determination [PDF]

open access: yesPeerJ, 2023
Background Insulin-like growth factor (IGF) and other insulin-like peptides (ilps) are important hormones regulating growth and development in animals.
Jan A. Veenstra
doaj   +3 more sources

MicroRNAs Associated with Caste Determination and Differentiation in a Primitively Eusocial Insect. [PDF]

open access: yesSci Rep, 2017
In eusocial Hymenoptera (ants, bees and wasps), queen and worker adult castes typically arise via environmental influences. A fundamental challenge is to understand how a single genome can thereby produce alternative phenotypes. A powerful approach is to
Collins DH   +5 more
europepmc   +3 more sources

Trophic eggs affect caste determination in the ant Pogonomyrmex rugosus [PDF]

open access: yeseLife
Understanding how a single genome creates distinct phenotypes remains a fundamental challenge for biologists. Social insects provide a striking example of polyphenism, with queen and worker castes exhibiting morphological, behavioral, and reproductive ...
Eléonore Genzoni   +2 more
doaj   +2 more sources

Brain physiology during photoperiod-related caste determination in the primitively eusocial wasp Polistes jokahamae [PDF]

open access: yesScientific Reports
Adult females of the primitively eusocial wasp Polistes jokahamae can change caste in response to photoperiod length. Short-day photoperiod females store more lipids but have less developed ovaries for hibernation (becoming gynes), whereas long-day ...
Ken Sasaki   +2 more
doaj   +2 more sources

Patterns of DNA methylation in development, division of labor and hybridization in an ant with genetic caste determination. [PDF]

open access: yesPLoS ONE, 2012
BACKGROUND: DNA methylation is a common regulator of gene expression, including acting as a regulator of developmental events and behavioral changes in adults.
Chris R Smith   +5 more
doaj   +2 more sources

Plasticity in Caste-Fate Determination During the Adult Stage in Temperate Polistes Wasps [PDF]

open access: yesInsects
The reproductive division of labor is a fundamental characteristic of eusociality; thus, understanding the caste determination system underlying the reproductive division of labor would shed more light on the evolution of eusociality.
Hideto Yoshimura, Ken Sasaki
doaj   +2 more sources

Recipe for a busy bee: microRNAs in Honey Bee caste determination. [PDF]

open access: yesPLoS ONE, 2013
Social caste determination in the honey bee is assumed to be determined by the dietary status of the young larvae and translated into physiological and epigenetic changes through nutrient-sensing pathways.
Xiangqian Guo   +11 more
doaj   +2 more sources

Intragenomic conflict associated with extreme phenotypic plasticity in queen-worker caste determination in honey bees (Apis mellifera) [PDF]

open access: yesGenome Biology
Background Caste determination of honey bees (Apis mellifera) exemplifies developmental plasticity, where differences in larval diet result in identical genotypes yielding either long-lived, reproductive queens or short-lived, facultatively sterile ...
Sean T. Bresnahan   +4 more
doaj   +2 more sources

A heritable component in sex ratio and caste determination in a Cardiocondyla ant [PDF]

open access: yesFrontiers in Zoology, 2009
Studies on sex ratios in social insects provide among the most compelling evidence for the importance of kin selection in social evolution. The elegant synthesis of Fisher's sex ratio principle and Hamilton's inclusive fitness theory predicts that colony-
Heinze Jürgen, Frohschammer Sabine
doaj   +2 more sources

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