Storage protein content as a functional marker for colony-founding strategies

A comparative study within the harvester ant genus Pogonomyrmex

Daniel A. Hahn, Robert A. Johnson, Norman A. Buck, Diana E Wheeler

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

Claustral colony founding, in which new queens rear their first clutch of workers solely from internal reserves, is common in the higher ant subfamilies and is believed to represent a major innovation in ant life histories. The ability to store large amounts of amino acids contained in storage proteins is an essential physiological trait for claustral colony founding by ant queens. To determine whether there is an association between storage protein content and colony-founding strategy, we identified and quantified two major storage proteins in queens of five harvester ant species in the genus Pogonomyrmex that differ in colony-founding strategy. Queens of the fully claustral non-foraging species Pogonomyrmex rugosus and Pogonomyrmex maricopa contained the greatest amount of these proteins. Facultatively foraging semiclaustral Pogonomyrmex occidentalis queens contained an intermediate amount. Obligately foraging semiclaustral Pogonomyrmex californicus queens from two different populations contained significantly less storage protein than the other independent-founding species. Queens of the dependent-founding social parasite Pogonomyrmex anergismus also contained little storage protein. Our results suggest that storage protein content has evolved in concert with colony-founding strategies in the genus Pogonomyrme and provides a good functional marker for colony-founding strategy.

Original languageEnglish (US)
Pages (from-to)100-108
Number of pages9
JournalPhysiological and Biochemical Zoology
Volume77
Issue number1
DOIs
StatePublished - Jan 2004

Fingerprint

Pogonomyrmex
Harvesters
Ants
storage proteins
queen insects
protein content
Proteins
Pogonomyrmex maricopa
Pogonomyrmex californicus
Formicidae
Pogonomyrmex occidentalis
Pogonomyrmex rugosus
foraging
Clutches
harvester ants
Parasites
Innovation
life history
Amino Acids
parasites

ASJC Scopus subject areas

  • Animal Science and Zoology
  • Physiology
  • Physiology (medical)

Cite this

Storage protein content as a functional marker for colony-founding strategies : A comparative study within the harvester ant genus Pogonomyrmex. / Hahn, Daniel A.; Johnson, Robert A.; Buck, Norman A.; Wheeler, Diana E.

In: Physiological and Biochemical Zoology, Vol. 77, No. 1, 01.2004, p. 100-108.

Research output: Contribution to journalArticle

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