Marcelo Soria's research while affiliated with Universidad de Buenos Aires and other places

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Publications (8)

Feeding on soybean crops changed gut bacteria diversity of the Southern green stinkbug ( Nezara viridula ) and reduced negative effects of some associated bacteria
Article
  • Jul 2022
Background: The southern green stinkbug (Nezara viridula) is a mayor pest of soybean. However, the mechanism underlying stinkbug resistance to soybean defenses is yet ignored. Although gut bacteria could play an essential role in tolerating plant defenses, most studies testing questions related to insect-plant-bacteria interactions have been perfo...
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S1 Table
Data
  • Jul 2018
Geographical placement of collecting sites. (PDF)
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S2 Fig
Data
  • Jul 2018
(a) Cysteine protease activity of N. viridula V1-V4 midgut ventricles. Statistical differences are denoted by different letters. (b) Distribution of ARISA detected bacteria among N. viridula V1-V4 midgut ventricles. Bacterial ITS fragments appear as blue peaks and LIZ 1200 weight standard fragments appear as yellow peaks. On a black square are 748...
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Fig 1. Nezara viridula hosts survey around the year cycle. Secondary...
Fig 2. Presence/absence of gut microbiota in N. viridula adults...
Fig 4. Phylogenetic placements of Yokenella strains (bold letters). We...
Fig 5. Phylogenetic positioning of Pantoea NvP01 (bold letters). We...
Fig 7. Inhibition capacity of fermented soybean cv. Williams whole meal...
Characterized non-transient microbiota from stinkbug (Nezara viridula) midgut deactivates soybean chemical defenses
Article
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  • Jul 2018
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...
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S2 Table
Data
  • Jul 2018
Bacterial communities in the midgut of Nezara viridula associated to the insects hosts. (PDF)
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S3 Table
Data
  • Jul 2018
Bacteria isolated in this work and those used to build phylogenetic trees of Yokenella. (PDF)
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S4 Table
Data
  • Jul 2018
Bacteria isolated in this work and those used to build phylogenetic trees of Enterococcus sp. (PDF)
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S1 Fig
Data
  • Jul 2018
Map of Argentina (a) and a zoom of central east Argentina (b) were 26 collecting events were performed during 2012–2014. Nezara viridula adults were handpicked from secondary hosts (light grey spots), Soybean (dark grey spots) or from under de bark of Eucalyptus trees (black spots). (PDF)
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Citations

... These differences could be due to differences in the genotype of the stinkbug or the different plant species from which eggs were collected. Differences in microbiome structure between natural and laboratory-reared insect populations have been observed frequently (e.g., Chandler et al., 2011;Gloder et al., 2021;Park et al., 2019), and seem to be driven by diverse factors such as rearing conditions and rearing environment, habitat, and diet (Engel & Moran, 2013;Medina et al., 2022;Wang et al., 2019;Yun et al., 2014). Furthermore, it has to be noted that the Belgian laboratory-reared population was not derived from the same geographical location as the Belgian natural population. ...
Reference: Diversity and composition of the microbiome associated with eggs of the Southern green stinkbug, Nezara viridula (Hemiptera: Pentatomidae)
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... On average 6.1 zOTUs were found on the eggs of natural N. viridula populations, while on average only 1.2 zOTU was associated with the internal samples. Similarly, low microbial diversity has been found in the midgut of field-collected N. viridula adults (Medina et al., 2018), suggesting that overall microbial diversity associated with N. viridula is low: no culturable bacteria were found in the V1-V3 midgut sections in more than 54% of N. viridula adults collected in the field, while the rest of the stinkbugs were colonized by only a few culturable bacteria like Bacillus, Enterococcus, Micrococcus, Pantoea, Staphylococcus, and Yokenella (Medina et al., 2018). ...
Reference: Diversity and composition of the microbiome associated with eggs of the Southern green stinkbug, Nezara viridula (Hemiptera: Pentatomidae)
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