NDLI: The Genetic Architecture of Sucrose Responsiveness in the Honeybee (Apis mellifera L.)

Content Provider	PubMed Central
Author	Rueppell, Olav Chandra, Sathees B. C. Pankiw, Tanya Kim, Fondrk M. Beye, Martin Hunt, Greg Page, Robert E.
Copyright Year	2006
Abstract	One of the best examples of a natural behavioral syndrome is the pollen-hoarding syndrome in honeybees that ties together multiple behavioral phenotypes, ranging from foraging behavior to behavioral ontogeny and learning performance. A central behavioral factor is the bees' responsiveness to sucrose, measured as their proboscis extension reflex. This study examines the genetics of this trait in diploid worker and haploid male honeybees (drones) to learn more about the genetic architecture of the overall behavioral syndrome, using original strains selected for pollen-hoarding behavior. We show that a significant proportion of the phenotypic variability is determined by genotype in males and workers. Second, our data present overwhelming evidence for pleiotropic effects of previously identified quantitative trait loci for foraging behavior (pln-QTL) and epistatic interactions among them. Furthermore, we report on three genomic QTL scans (two reciprocal worker backcrosses and one drone hybrid population) derived from our selection strains. We present at least one significant and two putative new QTL directly affecting the sucrose response of honeybees. Thus, this study demonstrates the modular genetic architecture of behavioral syndromes in general, and elucidates the genetic architecture of the pollen-hoarding behavioral syndrome in particular. Understanding this behavioral syndrome is important for understanding the division of labor in social insects and social evolution itself.
Related Links	http://dx.doi.org/10.1534/genetics.105.046490
Ending Page	251
Page Count	9
Starting Page	243
File Format	PDF
ISSN	00166731
Journal	Genetics
Issue Number	1
Volume Number	172
Language	English
Publisher	Copyright © 2006 by the Genetics Society of America
Publisher Date	2005-10-01
Access Restriction	Open
Rights Holder	Copyright © 2006 by the Genetics Society of America
Subject Keyword	Genetics Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Genetics

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