How many do we need? Meeting the challenges of studying the microbiome of a cryptic insect in an orchard

The minimal sampling effort required to report the microbiome composition of insect surveyed in natural environment is often based on empirical or logistical constraints. This question was addressed with the white pine cone beetle, Conophthorus coniperda (Schwarz), a devastating insect pest of seed...

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Main Authors: Apolline Maurin, Audrey-Anne Durand, Claude Guertin, Philippe Constant
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-01-01
Series:Frontiers in Microbiology
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fmicb.2024.1490681/full
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author Apolline Maurin
Audrey-Anne Durand
Claude Guertin
Philippe Constant
author_facet Apolline Maurin
Audrey-Anne Durand
Claude Guertin
Philippe Constant
author_sort Apolline Maurin
collection DOAJ
description The minimal sampling effort required to report the microbiome composition of insect surveyed in natural environment is often based on empirical or logistical constraints. This question was addressed with the white pine cone beetle, Conophthorus coniperda (Schwarz), a devastating insect pest of seed orchards. It attacks and stop the growth of the cones within which it will spend its life, on the ground. To survive, the bark beetle probably interacts with microorganisms involved in alimentation, cold adaptation, and dormancy stage. Deciphering the drivers and benefits of these microorganisms in an orchard first requires methodological development addressing variability of the white pine cone beetle microbiome. The number of insect guts integrated in composite samples prior to DNA extraction and the number of surveyed trees are two features expected to induce variability in recovered microbiome profiles. These two levels of heterogeneity were examined in an orchard experimental area where 12 white pine trees were sampled and 15 cones from each tree were grouped together. For each tree, 2, 3 and 4 insects were selected, their intestinal tract dissected, and the microbiome sequenced. The number of insects caused no significant incidence on the coverage of bacterial and fungal communities’ composition and diversity (p > 0.8). There was more variability among the different trees. A sampling effort including up to 33 trees in an area of 1.1 ha is expected to capture 98% of the microbial diversity in the experimental area. Spatial variability has important implications for future investigations of cryptic insect microbiome.
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spelling doaj-art-ececa6836a7c4542a3780f50b4dd21872025-01-06T05:13:22ZengFrontiers Media S.A.Frontiers in Microbiology1664-302X2025-01-011510.3389/fmicb.2024.14906811490681How many do we need? Meeting the challenges of studying the microbiome of a cryptic insect in an orchardApolline MaurinAudrey-Anne DurandClaude GuertinPhilippe ConstantThe minimal sampling effort required to report the microbiome composition of insect surveyed in natural environment is often based on empirical or logistical constraints. This question was addressed with the white pine cone beetle, Conophthorus coniperda (Schwarz), a devastating insect pest of seed orchards. It attacks and stop the growth of the cones within which it will spend its life, on the ground. To survive, the bark beetle probably interacts with microorganisms involved in alimentation, cold adaptation, and dormancy stage. Deciphering the drivers and benefits of these microorganisms in an orchard first requires methodological development addressing variability of the white pine cone beetle microbiome. The number of insect guts integrated in composite samples prior to DNA extraction and the number of surveyed trees are two features expected to induce variability in recovered microbiome profiles. These two levels of heterogeneity were examined in an orchard experimental area where 12 white pine trees were sampled and 15 cones from each tree were grouped together. For each tree, 2, 3 and 4 insects were selected, their intestinal tract dissected, and the microbiome sequenced. The number of insects caused no significant incidence on the coverage of bacterial and fungal communities’ composition and diversity (p > 0.8). There was more variability among the different trees. A sampling effort including up to 33 trees in an area of 1.1 ha is expected to capture 98% of the microbial diversity in the experimental area. Spatial variability has important implications for future investigations of cryptic insect microbiome.https://www.frontiersin.org/articles/10.3389/fmicb.2024.1490681/fullConophthorus coniperdamicrobiomesampling effortcryptic insectseed orchard’s pest
spellingShingle Apolline Maurin
Audrey-Anne Durand
Claude Guertin
Philippe Constant
How many do we need? Meeting the challenges of studying the microbiome of a cryptic insect in an orchard
Frontiers in Microbiology
Conophthorus coniperda
microbiome
sampling effort
cryptic insect
seed orchard’s pest
title How many do we need? Meeting the challenges of studying the microbiome of a cryptic insect in an orchard
title_full How many do we need? Meeting the challenges of studying the microbiome of a cryptic insect in an orchard
title_fullStr How many do we need? Meeting the challenges of studying the microbiome of a cryptic insect in an orchard
title_full_unstemmed How many do we need? Meeting the challenges of studying the microbiome of a cryptic insect in an orchard
title_short How many do we need? Meeting the challenges of studying the microbiome of a cryptic insect in an orchard
title_sort how many do we need meeting the challenges of studying the microbiome of a cryptic insect in an orchard
topic Conophthorus coniperda
microbiome
sampling effort
cryptic insect
seed orchard’s pest
url https://www.frontiersin.org/articles/10.3389/fmicb.2024.1490681/full
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