Preprints

Filtering by Subject: Environmental Microbiology and Microbial Ecology Life Sciences

Microbial growth in soil

Megan Foley, Bram W.G. Stone, Tristan A. Caro, et al.

Published: 2024-06-20
Subjects: Ecology and Evolutionary Biology, Environmental Microbiology and Microbial Ecology Life Sciences, Life Sciences

The growth rate of a microorganism is a simple yet profound way to quantify its impact on the world. Microbial fitness in the environment depends on the ability to reproduce quickly when conditions are favorable and adopt a survival physiology when conditions worsen, which cells coordinate by adjusting their growth rate. At the population level, per capita growth rate is a sensitive metric of [...]

A minimum data standard for wildlife disease studies

Tess Stevens, Ryan Zimmerman, Greg Albery, et al.

Published: 2024-05-19
Subjects: Animal Diseases, Biodiversity, Bioinformatics, Diseases, Ecology and Evolutionary Biology, Environmental Microbiology and Microbial Ecology Life Sciences, Life Sciences, Microbiology, Parasitic Diseases, Veterinary Infectious Diseases, Veterinary Medicine, Virology, Virus Diseases

Thousands of scientists and practitioners conduct research on infectious diseases of wildlife. Rapid and comprehensive data sharing is vital to the transparency and actionability of their work, but unfortunately, most efforts designed to publically share these data are focused on pathogen determination and genetic sequence data. Other facets of existing surveillance data – particularly [...]

Datathons: fostering equitability in data reuse in ecology

Stephanie Jurburg, Maria J. Alvarez Blanco, Antonis Chatzinotas, et al.

Published: 2024-04-04
Subjects: Biodiversity, Biology, Environmental Microbiology and Microbial Ecology Life Sciences, Genetics, Genetics and Genomics, Genomics, Life Sciences, Microbiology

Approaches to rapidly collect global biodiversity data are increasingly important, but biodiversity blindspots persist. We organized a three-day Datathon event to improve the openness of local biodiversity data, and facilitate data reuse by local researchers. The first Datathon, organized among microbial ecologists in Uruguay and Argentina assembled the largest microbiome dataset in the region to [...]

Not All Mass Mortality Events are Equal

Samantha Jean Sawyer, Micky D. Eubanks, Jeffery K. Tomberlin

Published: 2024-03-13
Subjects: Ecology and Evolutionary Biology, Entomology, Environmental Microbiology and Microbial Ecology Life Sciences, Life Sciences, Microbiology, Population Biology

Mass Mortality Events (MMEs) are defined as novel events involving many individuals dying in a relatively short period of time. In recent years, there has been an increased interest in MMEs due to their perceived increase in frequency. Current definitions are subjective and categorize mortalities varying in magnitude and frequency together. Within this manuscript, Multiple Mortality Events is a [...]

Are microbes colimited by multiple resources?

Noelle A Held, Michael Manhart

Published: 2024-03-02
Subjects: Ecology and Evolutionary Biology, Environmental Microbiology and Microbial Ecology Life Sciences, Life Sciences, Microbiology, Systems Biology

Resource colimitation --- the dependence of growth on multiple resources simultaneously --- has become an important topic in microbiology due both to the development of systems approaches to cell physiology and ecology, and to the relevance of colimitation to environmental science, biotechnology, and human health. Empirical tests of colimitation in microbes suggest that it may be common in [...]

Divergent responses between lineages of arbuscular mycorrhizal fungi to soil phosphorus and nitrogen availability

Brendan Delroy, Hai-Yang Zhang, Andrew Bissett, et al.

Published: 2023-12-12
Subjects: Ecology and Evolutionary Biology, Environmental Microbiology and Microbial Ecology Life Sciences, Life Sciences, Soil Science

Arbuscular mycorrhizal (AM) associations are multifunctional. Two important functions they perform are facilitating nutrient uptake in host plants and protecting plants from biotic stress, among other functions. AM fungal taxa vary in how capably they perform these functions and can also respond differently to environmental selection. Therefore, there is a need to better understand how particular [...]

Elevated CO2 enhances decomposition and modifies litter-associated fungal assemblages in a natural Eucalyptus woodland

Uffe Nielsen, Dylan Bristol, Michaela Blyton, et al.

Published: 2023-12-12
Subjects: Environmental Microbiology and Microbial Ecology Life Sciences, Terrestrial and Aquatic Ecology

Litter decomposition is a key process governing carbon and nutrient cycles in forest ecosystems that is expected to be impacted by increasing atmospheric carbon dioxide (CO2) concentrations. We conducted two complementary field studies to assess the effects of elevated CO2 on Eucalyptus tereticornis litter decomposition processes. First, we used bags of two different mesh sizes to assess the [...]

Signatures of global processes shaping the structure of microbial co-occurrence networks

Geut Galai, Dafna Arbel, Keren Klass, et al.

Published: 2023-11-01
Subjects: Ecology and Evolutionary Biology, Environmental Microbiology and Microbial Ecology Life Sciences, Life Sciences

Co-occurrence networks offer insights into the complexity of microbial interactions, particularly in highly diverse environments where direct observation is challenging. However, identifying the scale at which local and non-local processes structure co-occurrence networks remains challenging because it requires simultaneously analyzing network structure within and between local networks. In this [...]

When the microbiome shapes the host: immune evolution implications for infectious disease

Mark Austin Hanson

Published: 2023-10-23
Subjects: Ecology and Evolutionary Biology, Environmental Microbiology and Microbial Ecology Life Sciences, Evolution, Immunity, Immunology and Infectious Disease, Immunology of Infectious Disease, Life Sciences, Molecular Genetics, Pathogenic Microbiology

The microbiome includes both “mutualist” and “pathogen” microbes, regulated by the same innate immune architecture. A major question has therefore been: how do hosts prevent pathogenic infections while maintaining beneficial microbes? One idea suggests hosts can selectively activate innate immunity upon pathogenic infection, but not mutualist colonisation. Another idea posits that hosts can [...]

Withdrawn: Datathons: fostering equitability in data reuse in ecology

Stephanie Jurburg, Maria J. Alvarez Blanco, Antonis Chatzinotas, et al.

Published: 2023-10-06
Subjects: Biodiversity, Biology, Environmental Microbiology and Microbial Ecology Life Sciences, Genetics, Genetics and Genomics, Genomics, Life Sciences, Microbiology

Duplicate of https://doi.org/10.32942/X2389Q

Microbial invasions and inoculants: a call to action

Joshua Ladau, Ashkaan K. Fahimipour, Michelle E. Newcomer, et al.

Published: 2023-07-18
Subjects: Biosecurity, Biotechnology, Environmental Microbiology and Microbial Ecology Life Sciences

The use of non-genetically modified microbial inoculants for beneficial purposes in agriculture, bioremediation, medicine, and infrastructure is increasing. The intentional introduction of plants and animals for similar purposes has a long history, but despite successes, has resulted in thousands of plant and animal species becoming invasive, with catastrophic consequences for the environment, [...]

Allelopathy-selected microbiomes mitigate chemical inhibition of plant performance

Daniel Philip Revillini, Aaron S. David, Carolina Vigo, et al.

Published: 2023-03-19
Subjects: Ecology and Evolutionary Biology, Environmental Microbiology and Microbial Ecology Life Sciences, Life Sciences, Other Plant Sciences, Plant Biology

Allelopathy is a common and important stressor that shapes plant communities and can alter soil microbiomes, yet little is known about the direct effects of allelochemical addition on bacterial and fungal communities or the potential for allelochemical-selected microbiomes to mediate plant performance responses, especially in habitats naturally structured by allelopathy. Here we present the first [...]

Fragmentation disrupts microbial effects on native plant community productivity

Kasey N Kiesewetter, Leydiana Otano, Michelle E Afkhami

Published: 2023-03-18
Subjects: Ecology and Evolutionary Biology, Environmental Microbiology and Microbial Ecology Life Sciences, Life Sciences

1. Anthropogenic habitat fragmentation – the breaking up of natural landscapes – is a pervasive threat to biodiversity and ecosystem function worldwide. Fragmentation results in a mosaic of remnant native habitat patches embedded in human-modified habitat known as the “matrix”. By introducing novel environmental conditions in matrix habitats and reducing connectivity of native habitats, [...]

A diversity of fungal pathways contribute to improved soil carbon stability and storage

Emiko Stuart, Laura Castañeda-Gómez, Wolfram Buss, et al.

Published: 2023-03-03
Subjects: Agricultural Science, Ecology and Evolutionary Biology, Environmental Microbiology and Microbial Ecology Life Sciences, Life Sciences, Terrestrial and Aquatic Ecology

While various fungi could facilitate soil C storage and climate change mitigation via carbon (C) cycling, standard soil C tests that measure only bulk soil C cannot disentangle mechanisms underpinning fungal influences and so far research has largely focused on mycorrhizal fungi. Here, we assessed the soil C storage potential of 12 non-mycorrhizal fungi, selected from a wide pool based on traits [...]

How do microbes grow in nature? The role of population dynamics in microbial ecology and evolution

Justus Wilhelm Fink, Michael Manhart

Published: 2023-02-25
Subjects: Ecology and Evolutionary Biology, Environmental Microbiology and Microbial Ecology Life Sciences, Evolution, Life Sciences, Microbiology, Systems Biology

The growth of microbial populations in nature is dynamic, as the cellular physiology and environment of these populations change. Population dynamics have wide-ranging consequences for ecology and evolution, determining how species interact and which mutations fix. Understanding these dynamics is also critical for clinical and environmental applications in which we need to promote or inhibit [...]

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