Document Detail

Aphid soldier differentiation: density acts on both embryos and newborn nymphs.
MedLine Citation:
PMID:  14610646     Owner:  NLM     Status:  MEDLINE    
The mechanism of caste differentiation in a social aphid Tuberaphis styraci, which has a sterile soldier caste in the 2nd instar, was investigated using an artificial diet rearing system. High aphid density induced soldier production. Combinatorial prenatal and postnatal density treatments revealed that (1) either prenatal high density or postnatal high density is sufficient for soldier induction; (2) thus, embryos in the maternal body and newborn 1st instar nymphs are both responsive to high density; (3) the combination of prenatal high density and postnatal high density enhances soldier differentiation in a synergistic manner; and (4) the final determination of soldier differentiation occurs postnatally, probably at a late 1st instar stage. This study first throws light on the developmental aspects of caste differentiation in a social aphid.
Harunobu Shibao; Jae-Min Lee; Mayako Kutsukake; Takema Fukatsu
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2003-10-14
Journal Detail:
Title:  Die Naturwissenschaften     Volume:  90     ISSN:  0028-1042     ISO Abbreviation:  Naturwissenschaften     Publication Date:  2003 Nov 
Date Detail:
Created Date:  2003-11-11     Completed Date:  2004-01-06     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0400767     Medline TA:  Naturwissenschaften     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  501-4     Citation Subset:  IM    
Institute for Biological Resources and Functions, National Institute of Advanced Industrial Science and Technology (AIST), 305-8566, Tsukuba, Japan.
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MeSH Terms
Animals, Newborn
Aphids / growth & development,  physiology*
Population Density
Predatory Behavior
Social Behavior

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