Variation in Parasitoid Virulence of Tetrastichus brontispae during the Targeting of Two Host Beetles
In host-parasitoid interactions, antagonistic relationship drives parasitoids to vary in virulence in facing different hosts, which makes these systems excellent models for stress-induced evolutionary studies. Venom compositions varied between two strains of Tetrastichus brontispae, Tb-Bl and Tb-On....
Autores principales: | , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2021
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8036858/ https://www.ncbi.nlm.nih.gov/pubmed/33808261 http://dx.doi.org/10.3390/ijms22073581 |
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author | Zhang, Hua-Jian Lin, Ya-Ping Li, Hong-Yu Wang, Rui Fu, Lang Jia, Qing-Chen Hou, You-Ming Tang, Bao-Zhen |
author_facet | Zhang, Hua-Jian Lin, Ya-Ping Li, Hong-Yu Wang, Rui Fu, Lang Jia, Qing-Chen Hou, You-Ming Tang, Bao-Zhen |
author_sort | Zhang, Hua-Jian |
collection | PubMed |
description | In host-parasitoid interactions, antagonistic relationship drives parasitoids to vary in virulence in facing different hosts, which makes these systems excellent models for stress-induced evolutionary studies. Venom compositions varied between two strains of Tetrastichus brontispae, Tb-Bl and Tb-On. Tb-Bl targets Brontispa longissima pupae as hosts, and Tb-On is a sub-population of Tb-Bl, which has been experimentally adapted to a new host, Octodonta nipae. Aiming to examine variation in parasitoid virulence of the two strains toward two hosts, we used reciprocal injection experiments to compare effect of venom/ovarian fluids from the two strains on cytotoxicity, inhibition of immunity and fat body lysis of the two hosts. We found that Tb-Onvenom was more virulent towards plasmatocyte spreading, granulocyte function and phenoloxidase activity than Tb-Blvenom. Tb-Blovary was able to suppress encapsulation and phagocytosis in both hosts; however, Tb-Onovary inhibition targeted only B. longissima. Our data suggest that the venom undergoes rapid evolution when facing different hosts, and that the wasp has good evolutionary plasticity. |
format | Online Article Text |
id | pubmed-8036858 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2021 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-80368582021-04-12 Variation in Parasitoid Virulence of Tetrastichus brontispae during the Targeting of Two Host Beetles Zhang, Hua-Jian Lin, Ya-Ping Li, Hong-Yu Wang, Rui Fu, Lang Jia, Qing-Chen Hou, You-Ming Tang, Bao-Zhen Int J Mol Sci Article In host-parasitoid interactions, antagonistic relationship drives parasitoids to vary in virulence in facing different hosts, which makes these systems excellent models for stress-induced evolutionary studies. Venom compositions varied between two strains of Tetrastichus brontispae, Tb-Bl and Tb-On. Tb-Bl targets Brontispa longissima pupae as hosts, and Tb-On is a sub-population of Tb-Bl, which has been experimentally adapted to a new host, Octodonta nipae. Aiming to examine variation in parasitoid virulence of the two strains toward two hosts, we used reciprocal injection experiments to compare effect of venom/ovarian fluids from the two strains on cytotoxicity, inhibition of immunity and fat body lysis of the two hosts. We found that Tb-Onvenom was more virulent towards plasmatocyte spreading, granulocyte function and phenoloxidase activity than Tb-Blvenom. Tb-Blovary was able to suppress encapsulation and phagocytosis in both hosts; however, Tb-Onovary inhibition targeted only B. longissima. Our data suggest that the venom undergoes rapid evolution when facing different hosts, and that the wasp has good evolutionary plasticity. MDPI 2021-03-30 /pmc/articles/PMC8036858/ /pubmed/33808261 http://dx.doi.org/10.3390/ijms22073581 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/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/). |
spellingShingle | Article Zhang, Hua-Jian Lin, Ya-Ping Li, Hong-Yu Wang, Rui Fu, Lang Jia, Qing-Chen Hou, You-Ming Tang, Bao-Zhen Variation in Parasitoid Virulence of Tetrastichus brontispae during the Targeting of Two Host Beetles |
title | Variation in Parasitoid Virulence of Tetrastichus brontispae during the Targeting of Two Host Beetles |
title_full | Variation in Parasitoid Virulence of Tetrastichus brontispae during the Targeting of Two Host Beetles |
title_fullStr | Variation in Parasitoid Virulence of Tetrastichus brontispae during the Targeting of Two Host Beetles |
title_full_unstemmed | Variation in Parasitoid Virulence of Tetrastichus brontispae during the Targeting of Two Host Beetles |
title_short | Variation in Parasitoid Virulence of Tetrastichus brontispae during the Targeting of Two Host Beetles |
title_sort | variation in parasitoid virulence of tetrastichus brontispae during the targeting of two host beetles |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8036858/ https://www.ncbi.nlm.nih.gov/pubmed/33808261 http://dx.doi.org/10.3390/ijms22073581 |
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