Proteo-trancriptomic analyses reveal a large expansion of metalloprotease-like proteins in atypical venom vesicles of the wasp Meteorus pulchricornis (Braconidae)

Meteorus pulchricornis (Ichneumonoidea, Braconidae) is an endoparasitoid wasp of lepidopteran caterpillars. Its parasitic success relies on vesicles (named M. pulchricornis Virus-Like Particles or MpVLPs) that are synthesized in the venom gland and injected into the parasitoid host along with the ve...

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Main Authors: Gatti, J.L., Belghazi, M., Legeai, F., Ravallec, M., Frayssinet, M., Robin, S., Aboubakar-Souna, D., Srinivasan, R., Tamo, Manuele, Poirie, M., Volkoff, A.N.
Format: Journal Article
Language:Inglés
Published: MDPI 2021
Subjects:
Online Access:https://hdl.handle.net/10568/114556
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author Gatti, J.L.
Belghazi, M.
Legeai, F.
Ravallec, M.
Frayssinet, M.
Robin, S.
Aboubakar-Souna, D.
Srinivasan, R.
Tamo, Manuele
Poirie, M.
Volkoff, A.N.
author_browse Aboubakar-Souna, D.
Belghazi, M.
Frayssinet, M.
Gatti, J.L.
Legeai, F.
Poirie, M.
Ravallec, M.
Robin, S.
Srinivasan, R.
Tamo, Manuele
Volkoff, A.N.
author_facet Gatti, J.L.
Belghazi, M.
Legeai, F.
Ravallec, M.
Frayssinet, M.
Robin, S.
Aboubakar-Souna, D.
Srinivasan, R.
Tamo, Manuele
Poirie, M.
Volkoff, A.N.
author_sort Gatti, J.L.
collection Repository of Agricultural Research Outputs (CGSpace)
description Meteorus pulchricornis (Ichneumonoidea, Braconidae) is an endoparasitoid wasp of lepidopteran caterpillars. Its parasitic success relies on vesicles (named M. pulchricornis Virus-Like Particles or MpVLPs) that are synthesized in the venom gland and injected into the parasitoid host along with the venom during oviposition. In order to define the content and understand the biogenesis of these atypical vesicles, we performed a transcriptome analysis of the venom gland and a proteomic analysis of the venom and purified MpVLPs. About half of the MpVLPs and soluble venom proteins identified were unknown and no similarity with any known viral sequence was found. However, MpVLPs contained a large number of proteins labelled as metalloproteinases while the most abundant protein family in the soluble venom was that of proteins containing the Domain of Unknown Function DUF-4803. The high number of these proteins identified suggests that a large expansion of these two protein families occurred in M. pulchricornis. Therefore, although the exact mechanism of MpVLPs formation remains to be elucidated, these vesicles appear to be “metalloproteinase bombs” that may have several physiological roles in the host including modifying the functions of its immune cells. The role of DUF4803 proteins, also present in the venom of other braconids, remains to be clarified.
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spelling CGSpace1145562025-11-11T10:11:53Z Proteo-trancriptomic analyses reveal a large expansion of metalloprotease-like proteins in atypical venom vesicles of the wasp Meteorus pulchricornis (Braconidae) Gatti, J.L. Belghazi, M. Legeai, F. Ravallec, M. Frayssinet, M. Robin, S. Aboubakar-Souna, D. Srinivasan, R. Tamo, Manuele Poirie, M. Volkoff, A.N. meteorus insects pests of plants pest insects braconidae proteomic transcriptome metalloproteins venoms Meteorus pulchricornis (Ichneumonoidea, Braconidae) is an endoparasitoid wasp of lepidopteran caterpillars. Its parasitic success relies on vesicles (named M. pulchricornis Virus-Like Particles or MpVLPs) that are synthesized in the venom gland and injected into the parasitoid host along with the venom during oviposition. In order to define the content and understand the biogenesis of these atypical vesicles, we performed a transcriptome analysis of the venom gland and a proteomic analysis of the venom and purified MpVLPs. About half of the MpVLPs and soluble venom proteins identified were unknown and no similarity with any known viral sequence was found. However, MpVLPs contained a large number of proteins labelled as metalloproteinases while the most abundant protein family in the soluble venom was that of proteins containing the Domain of Unknown Function DUF-4803. The high number of these proteins identified suggests that a large expansion of these two protein families occurred in M. pulchricornis. Therefore, although the exact mechanism of MpVLPs formation remains to be elucidated, these vesicles appear to be “metalloproteinase bombs” that may have several physiological roles in the host including modifying the functions of its immune cells. The role of DUF4803 proteins, also present in the venom of other braconids, remains to be clarified. 2021 2021-08-04T10:41:18Z 2021-08-04T10:41:18Z Journal Article https://hdl.handle.net/10568/114556 en Open Access application/pdf MDPI Gatti, J.L., Belghazi, M., Legeai, F., Ravallec, M., Frayssinet, M., Robin, S., ... & Volkoff, A.N. (2021). Proteo-trancriptomic analyses reveal a large expansion of metalloprotease-like proteins in atypical venom vesicles of the wasp Meteorus pulchricornis (Braconidae). Toxins, 13(7), 502: 1-37.
spellingShingle meteorus
insects
pests of plants
pest insects
braconidae
proteomic
transcriptome
metalloproteins
venoms
Gatti, J.L.
Belghazi, M.
Legeai, F.
Ravallec, M.
Frayssinet, M.
Robin, S.
Aboubakar-Souna, D.
Srinivasan, R.
Tamo, Manuele
Poirie, M.
Volkoff, A.N.
Proteo-trancriptomic analyses reveal a large expansion of metalloprotease-like proteins in atypical venom vesicles of the wasp Meteorus pulchricornis (Braconidae)
title Proteo-trancriptomic analyses reveal a large expansion of metalloprotease-like proteins in atypical venom vesicles of the wasp Meteorus pulchricornis (Braconidae)
title_full Proteo-trancriptomic analyses reveal a large expansion of metalloprotease-like proteins in atypical venom vesicles of the wasp Meteorus pulchricornis (Braconidae)
title_fullStr Proteo-trancriptomic analyses reveal a large expansion of metalloprotease-like proteins in atypical venom vesicles of the wasp Meteorus pulchricornis (Braconidae)
title_full_unstemmed Proteo-trancriptomic analyses reveal a large expansion of metalloprotease-like proteins in atypical venom vesicles of the wasp Meteorus pulchricornis (Braconidae)
title_short Proteo-trancriptomic analyses reveal a large expansion of metalloprotease-like proteins in atypical venom vesicles of the wasp Meteorus pulchricornis (Braconidae)
title_sort proteo trancriptomic analyses reveal a large expansion of metalloprotease like proteins in atypical venom vesicles of the wasp meteorus pulchricornis braconidae
topic meteorus
insects
pests of plants
pest insects
braconidae
proteomic
transcriptome
metalloproteins
venoms
url https://hdl.handle.net/10568/114556
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