Extreme environments offer an unprecedented opportunity to understand microbial eukaryotic ecology, evolution, and genome biology

Rappaport, Hannah B.; Oliverio, Angela M.

doi:10.1038/s41467-023-40657-4

Cited by 21 publications

(6 citation statements)

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“…In the present study, pH, TK, and NH 4 + were environmental drivers that significantly affected archaea biodiversity, suggesting that archaea biodiversity was also highly dependent on soil nutrients and pH [46][47][48]. In contrast, there was no significant correlation between eukaryotic diversity and environmental factors, suggesting that eukaryote biodiversity remains relatively stable under different environmental conditions due to their larger genomes and stress-tolerance capacity [49].…”

Section: Discussionmentioning

confidence: 47%

Elevation Shapes Soil Microbial Diversity and Carbon Cycling in Platycladus orientalis Plantations

Zhang,

Yuan,

et al. 2024

Forests

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Diversified soil microbiomes are the key drivers of carbon fixation and plant residue decomposition in forest ecosystems. Revealing the elevation patterns of soil microbial carbon cycling in forests is essential for utilization of forest ecological resources. However, the soil microbial diversity and carbon cycle processes in Platycladus orientalis plantations across different elevations are still unclear. Here, we established a gradient with three elevations (118 m, 300 m, and 505 m) on the Beijing Ming Dynasty Tombs Forest Farm, which is located in Changping District, Beijing. The metagenomics method was applied to study the soil microbiome, with a special focus on the carbon cycle process at each elevation. We found the diversity and composition of the soil microbiomes significantly varied across the elevation gradients. The structure of bacteria and archaea was mainly driven by soil total potassium, pH and NH4+, but the eukaryota had no significant relationship with the environmental factors. The relative abundance of genes involved in microbial carbon fixation and decomposition of organic carbon were also significantly impacted by elevation, with the former showing increasing, u-shaped, or hump trends with increasing elevation, but the latter only showing hump trends. The rTCA cycle and 3-hydroxypropionate pathway were the dominant carbon fixation pathways in the Platycladus orientalis plantations. The elevation gradient shaped the microbial decomposition of plant-derived organic carbon by changing soil properties and, furthermore, led to soil organic carbon stock losses. These findings increase our understanding of soil microbial diversity and the carbon cycle across different elevations and provide a theoretical basis for the utilization of forest ecological resources to promote carbon sequestration.

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Section: Discussionmentioning

confidence: 47%

Elevation Shapes Soil Microbial Diversity and Carbon Cycling in Platycladus orientalis Plantations

Zhang,

Yuan,

et al. 2024

Forests

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“…The progress in high-throughput technologies has provided key insights and knowledge about the dynamics of plant-microbe interactions. In addition, metagenomics tools have facilitated the functional characterization of these extremophiles leading to a better understanding of their potential role in maintaining soil health and plant productivity [ 33 , 34 ]. Through this article, the authors aim to discuss and understand the favorable impact and dynamics of plant-associated extremophiles and their biotechnological utilities.…”

Section: Introductionmentioning

confidence: 99%

Plant-Microbe Interactions under the Extreme Habitats and Their Potential Applications

Tiwari,

Bose,

Park

et al. 2024

Microorganisms

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Plant-microbe associations define a key interaction and have significant ecological and biotechnological perspectives. In recent times, plant-associated microbes from extreme environments have been extensively explored for their multifaceted benefits to plants and the environment, thereby gaining momentum in global research. Plant-associated extremophiles highlight ubiquitous occurrences, inhabiting extreme habitats and exhibiting enormous diversity. The remarkable capacity of extremophiles to exist in extreme environmental conditions is attributed to the evolution of adaptive mechanisms in these microbes at genetic and physiological levels. In addition, the plant-associated extremophiles have a major impact in promoting plant growth and development and conferring stress tolerance to the host plant, thereby contributing immensely to plant adaptation and survival in extreme conditions. Considering the major impact of plant-associated extremophiles from a socio-economic perspective, the article discusses their significance in emerging biotechnologies with a key focus on their ecological role and dynamic interaction with plants. Through this article, the authors aim to discuss and understand the favorable impact and dynamics of plant-associated extremophiles and their biotechnological utilities.

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“…-Tess Gerritsen, Gravity Microbes are tiny and trillion can make us sick or can help us stay healthy (Malla et al, 2018). Of all microbes, the most abundant are bacteria, which are ubiquitous in nature and found in every conceivable habitat, from the soil beneath our feet to the depths of the Earth's crust and even in extreme environments like acidic hot springs and areas contaminated with radioactive waste (Bardgett and van der Putten, 2014;Thakur et al, 2022;Rappaport and Oliverio, 2023). Remarkably, bacteria not only coexist with humans and animals but also live within them (Figure 1) (Ursell et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

Understanding bacterial pathogenicity: a closer look at the journey of harmful microbes

Soni,

Sinha,

Pandey

2024

Front. Microbiol.

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Bacteria are the most prevalent form of microorganisms and are classified into two categories based on their mode of existence: intracellular and extracellular. While most bacteria are beneficial to human health, others are pathogenic and can cause mild to severe infections. These bacteria use various mechanisms to evade host immunity and cause diseases in humans. The susceptibility of a host to bacterial infection depends on the effectiveness of the immune system, overall health, and genetic factors. Malnutrition, chronic illnesses, and age-related vulnerabilities are the additional confounders to disease severity phenotypes. The impact of bacterial pathogens on public health includes the transmission of these pathogens from healthcare facilities, which contributes to increased morbidity and mortality. To identify the most significant threats to public health, it is crucial to understand the global burden of common bacterial pathogens and their pathogenicity. This knowledge is required to improve immunization rates, improve the effectiveness of vaccines, and consider the impact of antimicrobial resistance when assessing the situation. Many bacteria have developed antimicrobial resistance, which has significant implications for infectious diseases and favors the survival of resilient microorganisms. This review emphasizes the significance of understanding the bacterial pathogens that cause this health threat on a global scale.

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Extreme environments offer an unprecedented opportunity to understand microbial eukaryotic ecology, evolution, and genome biology

Cited by 21 publications

References 100 publications

Elevation Shapes Soil Microbial Diversity and Carbon Cycling in Platycladus orientalis Plantations

Elevation Shapes Soil Microbial Diversity and Carbon Cycling in Platycladus orientalis Plantations

Plant-Microbe Interactions under the Extreme Habitats and Their Potential Applications

Understanding bacterial pathogenicity: a closer look at the journey of harmful microbes

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