NDLI: Gasmin (BV2-5), a polydnaviral-acquired gene in Spodoptera exigua. Trade-off in the defense against bacterial and viral infections.

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Gasmin (BV2-5), a polydnaviral-acquired gene in Spodoptera exigua. Trade-off in the defense against bacterial and viral infections.

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Gasmin (BV2-5), a polydnaviral-acquired gene in Spodoptera exigua. Trade-off in the defense against bacterial and viral infections.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Gasmi, Laila Jakubowska, Agata K. Herrero, Salvador
Description	Country affiliation: Spain Author Affiliation: Gasmi L ( Department of Genetics, Universitat de València and Estructura de Recerca Interdisciplinar en Biotecnologia i Biomedicina (ERI-BIOTECMED), Universitat de València, Dr Moliner 50, 46100 Burjassot, Spain.); Jakubowska AK ( Department of Genetics, Universitat de València and Estructura de Recerca Interdisciplinar en Biotecnologia i Biomedicina (ERI-BIOTECMED), Universitat de València, Dr Moliner 50, 46100 Burjassot, Spain.); Herrero S ( Department of Genetics, Universitat de València and Estructura de Recerca Interdisciplinar en Biotecnologia i Biomedicina (ERI-BIOTECMED), Universitat de València, Dr Moliner 50, 46100 Burjassot, Spain. Electronic address: sherrero@uv.es.)
Abstract	Thousands of Hymenopteran endoparasitoids have developed a unique symbiotic relationship with viruses named polydnavirus (PDVs). These viruses immunocompromise the lepidopteran host allowing the survival of the wasp eggs. In a previous work, we have shown the horizontal transfer of some polydnaviral genes into the genome of the Lepidoptera, Spodoptera exigua. One of these genes, BV2-5 (named gasmin) interferes with actin polymerization, negatively affecting the multiplication of baculovirus in cell culture. In this work, we have focused in the study of the effect of Gasmin expression on different aspects of the baculovirus production. In addition, and since actin polymerization is crucial for phagocytosis, we have studied the effect of Gasmin expression on the larval interaction with bacterial pathogens. Over-expression of Gasmin on hemocytes significantly reduces their capacity to phagocytize the pathogenic bacteria Bacillus thuringiensis. According to these results, gasmin domestication negatively affects baculovirus replication, but increases larvae susceptibility to bacterial infections as pay off. Although the effect of Gasmin on the insect interaction with other pathogens or parasitoids remain unknown, the opposite effects described here could shape the biological history of this species based on the abundance of certain type of pathogens as suggested by the presence of truncated forms of this protein in several regions of the world.
File Format	HTM / HTML
ISSN	0145305X
Volume Number	56
e-ISSN	18790089
Journal	Developmental & Comparative Immunology
Language	English
Publisher	Elsevier
Publisher Date	2016-03-01
Publisher Place	United States
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Immunology Bacillus Thuringiensis Physiology Spodoptera Genetics Immunology Animals Insect Proteins Larva Microbiology Phagocytes Growth & Development Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Developmental Biology Immunology

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Characterization of native Bacillus thuringiensis strains against Spodoptera litura and Spodoptera exigua (Lepidoptera: Noctuidae)

Effect of Bacillus thuringiensis CAB109 on the growth, development, and generation mortality of Spodoptera exigua (Hübner) (Lepidoptera: Noctuidea)

Growth variation among Bacillus thuringiensis strains can affect screening procedures for supernatant-secreted toxins against insect pests.

RNA interference of an antimicrobial peptide, gloverin, of the beet armyworm, Spodoptera exigua, enhances susceptibility to Bacillus thuringiensis.

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Developmental regulation and antifungal activity of a growth-blocking peptide from the beet armyworm Spodoptera exigua.

Efficacy of Cry1Ac toxin from Bacillus thuringiensis against the beet armyworm, Spodoptera exigua (Hübner) (Lepidoptera: Noctuidae)

Susceptibility of Spodoptera frugiperda and S. exigua to Bacillus thuringiensis Vip3Aa insecticidal protein.

Iron regulates Bacillus thuringiensis haemolysin hlyII gene expression during insect infection.

Gasmin (BV2-5), a polydnaviral-acquired gene in Spodoptera exigua. Trade-off in the defense against bacterial and viral infections.

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Growth variation among Bacillus thuringiensis strains can affect screening procedures for supernatant-secreted toxins against insect pests.

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Gasmin (BV2-5), a polydnaviral-acquired gene in Spodoptera exigua. Trade-off in the defense against bacterial and viral infections.