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Geneviève Lajoie

Geneviève Lajoie
Institut de Recherche en Biologie Végétale (IRBV) | Jardin Botanique de Montréal

Ph.D. in Biology

About

19
Publications
3,149
Reads
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323
Citations
Citations since 2016
16 Research Items
306 Citations
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2016201720182019202020212022020406080
2016201720182019202020212022020406080
Additional affiliations
June 2021 - present
Université de Montréal
Position
  • Professor (Associate)
September 2020 - April 2021
University of British Columbia - Vancouver
Position
  • PostDoc Position
May 2016 - August 2020
Université du Québec à Montréal
Position
  • PhD Student

Publications

Publications (19)
Article
Full-text available
Background Identifying meaningful ecological associations between host and components of the microbiome is challenging. This is especially true for hosts such as marine macroalgae where the taxonomic composition of the microbiome is highly diverse and variable in space and time. Identifying core taxa is one way forward but there are many methods an...
Preprint
Full-text available
Background Identifying the meaningful ecological associations between host and components of the microbiome is challenging. This is especially true for hosts where the taxonomic composition of the microbiome is highly diverse and variable in space and time such as marine macroalgae. Identifying core taxa is one way forward. This study leverages a l...
Preprint
Full-text available
Background Identifying the meaningful ecological associations between host and components of the microbiome is challenging. This is especially true for hosts where the taxonomic composition of the microbiome is highly diverse and variable in space and time such as marine macroalgae. Identifying core taxa is one way forward. This study leverages a l...
Article
Our understanding of host influence on microbial evolution has focused on symbiont specialization and the genomic streamlining that often accompanies it. However, a vast diversity of symbiotic lineages facultatively interact with hosts or associate with multiple hosts. Yet, there are no clear expectations for how host association influences the nic...
Article
Determining whether and how global change will lead to novel interactions between hosts and microbes is an important issue in ecology and evolution. Understanding the contribution of host and microbial ecologies and evolutionary histories in driving their contemporary associations is an important step towards addressing this challenge and predictin...
Article
Premise: One of the best-documented ecological responses to climate warming involves temporal shifts of phenological events. However, we lack an understanding of how phenological responses to climate change vary among populations of the same species. Such variability has the potential to affect flowering synchrony among populations and hence the p...
Article
Phyllosphere bacterial diversity is shaped through interactions between hosts and microbes. Most studies have focused on pairwise associations between host taxa and their symbionts, little is however understood about the influence of the host community as a whole in shaping these interactions. Envisioning phyllosphere bacterial communities as a spa...
Article
Full-text available
Background: The phyllosphere is an important microbial habitat, but our understanding of how plant hosts drive the composition of their associated leaf microbial communities and whether taxonomic associations between plants and phyllosphere microbes represent adaptive matching remains limited. In this study, we quantify bacterial functional divers...
Preprint
Full-text available
Background: The phyllosphere is an important microbial habitat but our understanding of how plant hosts drive the composition of their associated leaf microbial communities and whether taxonomic associations between plants and phyllosphere microbes represent adaptive matching remains limited. In this study we quantify bacterial functional diversity...
Preprint
Full-text available
Functional diversity holds the promise of understanding ecosystems in ways unattainable by taxonomic diversity studies. Underlying this promise is the intuition that investigating the diversity of what organisms actually do-i.e. their functional traits-within ecosystems will generate more reliable insights into the ways these ecosystems behave, com...
Article
Functional diversity holds the promise of understanding ecosystems in ways unattainable by taxonomic diversity studies. Underlying this promise is the intuition that investigating the diversity of what organisms actually do—i.e. their functional traits—within ecosystems will generate more reliable insights into the ways these ecosystems behave, com...
Article
There is an increasing interest in applying trait-based approaches to microbial ecology, but the question of how and why to do it is still lagging behind. By anchoring our discussion of these questions in a framework derived from epistemology, we broaden the scope of trait-based approaches to microbial ecology from one oriented mostly around explan...
Article
Full-text available
The match between functional trait variation in communities and environmental gradients is maintained by three processes: phenotypic plasticity and genetic differentiation (intraspecific processes), and species turnover (interspecific). Recently, evidence has emerged suggesting that intraspecific variation might have a potentially large role in dri...
Article
Because of global warming, the frequency and severity of droughts are expected to increase, which will have an impact on forest ecosystem health worldwide1. Although the impact of drought on tree growth and mortality is being increasingly documented2, 3, 4, very little is known about the impact on nutrient cycling in forest ecosystems. Here, based...
Article
Intraspecific trait variation (ITV) plays a potentially important role in determining functional community composition across environmental gradients. However, the importance of ITV varies greatly among studies, and we lack a coherent understanding of the contexts under which to expect a high vs. low contribution of ITV to trait-environment matchin...
Article
Biodiversity is comprised of genetic and phenotypic variation among individual organisms, which might belong to the same species or to different species. Spatial patterns of biodiversity are of central interest in ecology and evolution for several reasons: to identify general patterns in nature (e.g., species-area relationships, latitudinal gradien...

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