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Artículo

Characterized non-transient microbiota from stinkbug (Nezara viridula) midgut deactivates soybean chemical defenses

Medina, VirginiaIcon ; Sardoy, Pedro MiguelIcon ; Soria, Marcelo Abel; Vay, Carlos Alberto; Gutkind, Gabriel OsvaldoIcon ; Zavala, Jorge AlbertoIcon
Fecha de publicación: 07/2018
Editorial: Public Library of Science
Revista: Plos One
e-ISSN: 1932-6203
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Biología Celular, Microbiología

Resumen

The Southern green stinkbug (N. viridula) feeds on developing soybean seeds in spite of their strong defenses against herbivory, making this pest one of the most harmful to soybean crops. To test the hypothesis that midgut bacterial community allows stinkbugs to tolerate chemical defenses of soybean developing seeds, we identified and characterized midgut microbiota of stinkbugs collected from soybean crops, different secondary plant hosts or insects at diapause on Eucalyptus trees. Our study demonstrated that while more than 54% of N. viridula adults collected in the field had no detectable bacteria in the V1-V3 midgut ventricles, the guts of the rest of stinkbugs were colonized by non-transient microbiota (NTM) and transient microbiota not present in stinkbugs at diapause. While transient microbiota Bacillus sp., Micrococcus sp., Streptomyces sp., Staphylococcus sp. and others had low abundance, NTM microbiota was represented by Yokenella sp., Pantoea sp. and Enterococcus sp. isolates. We found some isolates that showed in vitro β-glucosidase and raffinase activities plus the ability to degrade isoflavonoids and deactivate soybean protease inhibitors. Our results suggest that the stinkbugs´ NTM microbiota may impact on nutrition, detoxification and deactivation of chemical defenses, and Enterococcus sp., Yokenella sp. and Pantoea sp. strains might help stinkbugs to feed on soybean developing seeds in spite of its chemical defenses.
Palabras clave: N. viridula , NTM microbiota
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/86498
DOI: http://dx.doi.org/10.1371/journal.pone.0200161
URL: https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0200161
Colecciones
Articulos(INBA)
Articulos de INST.DE INVEST. EN BIOCIENCIAS AGRICOLAS Y AMBIENTALES
Articulos(OCA HOUSSAY)
Articulos de OFICINA DE COORDINACION ADMINISTRATIVA HOUSSAY
Citación
Medina, Virginia; Sardoy, Pedro Miguel; Soria, Marcelo Abel; Vay, Carlos Alberto; Gutkind, Gabriel Osvaldo; et al.; Characterized non-transient microbiota from stinkbug (Nezara viridula) midgut deactivates soybean chemical defenses; Public Library of Science; Plos One; 13; 7; 7-2018; 1-23; e0200161
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