Effects on Brood Development in the Carpenter Ant Camponotus vicinus Mayr after Exposure to the Yeast Associate Schwanniomyces polymorphus Kloecker

Mark E Mankowski; Jeffrey Morrell; Patricia Krishna Lebow

doi:10.3390/insects12060520

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Effects on Brood Development in the Carpenter Ant Camponotus vicinus Mayr after Exposure to the Yeast Associate Schwanniomyces polymorphus Kloecker

Journal article

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Peer reviewed

Effects on Brood Development in the Carpenter Ant Camponotus vicinus Mayr after Exposure to the Yeast Associate Schwanniomyces polymorphus Kloecker

Mark E Mankowski, Jeffrey Morrell and Patricia Krishna Lebow

Insects, Vol.12(6), pp.1-14

2021

DOI: https://doi.org/10.3390/insects12060520

PMCID: PMC8229963

PMID: 34199749

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Abstract

artificial diet

infrabuccal pocket

Camponotus vicinus

B vitamins

ectosymbiont

defaunation

sterols

yeast exposure

Schwanniomyces polymorphus

The yeast Schwanniomyces polymorphus is associated with the infrabuccal pocket in the carpenter ant Camponotus vicinus (Hymenoptera: Formicidae), but its role in ant development is poorly defined. The potential effects of this yeast on brood development were examined on sets of larval groups and workers over a 12 week period. Worker–larval sets were fed variations of a completely artificial, holidic diet and exposed or not exposed to live S. polymorphus. Worker–larval sets in half of the experiment were defaunated using a two-step heat and chemical process. Brood development and number of adult ants produced were significantly affected by the heat/chemical defaunation process. Compared to worker–larval groups fed a basal, complete diet, all treatments resulted in no or deleterious larval development. Brood weights and number of worker ants produced from the original larval sets at initiation were significantly higher in non-defaunated ant groups fed a diet lacking both B vitamins and cholesterol and exposed to live S. polymorphus. We propose that this yeast may help ants to more efficiently assimilate nutrients when fed nutrient-deficient diets, particularly those deficient in sterols.

Details

Title: Effects on Brood Development in the Carpenter Ant Camponotus vicinus Mayr after Exposure to the Yeast Associate Schwanniomyces polymorphus Kloecker
Authors: Mark E Mankowski (Author) - US Forest Service
Jeffrey Morrell (Author) - University of the Sunshine Coast, Queensland, National Centre for Timber Durability and Design Life
Patricia Krishna Lebow (Author) - US Forest Service
Publication details: Insects, Vol.12(6), pp.1-14
Publisher: MDPI AG
Date published: 2021
DOI: 10.3390/insects12060520
ISSN: 2075-4450
PMID: 34199749; PMC8229963
Copyright note: Copyright: © 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Organisation Unit: University of the Sunshine Coast, Queensland; National Centre for Timber Durability and Design Life; Forest Research Institute
Language: English
Record Identifier: 99541106902621
Output Type: Journal article

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