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https://hdl.handle.net/2440/23839
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Type: | Journal article |
Title: | Evolutionary origin of Venturia canescens virus-like particles |
Author: | Reineke, A. Asgari, S. Schmidt, O. |
Citation: | Archives of Insect Biochemistry and Physiology, 2006; 61(3):123-133 |
Publisher: | Wiley-Liss |
Issue Date: | 2006 |
ISSN: | 0739-4462 1520-6327 |
Statement of Responsibility: | Annette Reineke, Sassan Asgari, Otto Schmidt |
Abstract: | <jats:title>Abstract</jats:title><jats:p>Insect host‐parasitoid interactions provide fascinating examples of evolutionary adaptations in which the parasitoid employs a variety of measures and countermeasures to overcome the immune responses of its host. Maternal factors introduced by the female wasps during egg deposition play an important role in interfering with cellular and humoral components of the host's immune defence. Some of these components actively suppress host immune components and some are believed to confer protection for the developing endoparasitoid by rather passive means. The <jats:italic>Venturia canescens/Ephestia kuehniella</jats:italic> parasitoid‐host system is unique among other systems in that the cellular defence capacity of the host remains virtually intact after parasitization. This system raises some important questions that are discussed in this mini‐review: If immune protection of the egg and the emerging larva is achieved by surface properties comprising glycoproteins and virus‐like particles (VLPs) produced by the female wasp, why is the prophenoloxidase activating cascade blocked in parasitized caterpillars? Another question is the evolutionary origin of these particles, given that the functional role and structural features of <jats:italic>V. canescens</jats:italic> VLP proteins are more related to cellular proteins than to viruses. Arch. Insect Biochem. Physiol. 61:123–133, 2006. © 2006 Wiley‐Liss, Inc.</jats:p> |
Keywords: | Venturia canescens virus-like particles parasitoid-host-interactions insect immunity |
Description: | The definitive version may be found at www.wiley.com |
DOI: | 10.1002/arch.20113 |
Published version: | http://dx.doi.org/10.1002/arch.20113 |
Appears in Collections: | Agriculture, Food and Wine publications Aurora harvest 6 |
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