Susceptibility and resilience of the soil ciliate community to high temperatures

Oshima, Takaaki; Shinohara, Yoko; Asakawa, Susumu; Murase, Jun

doi:10.1080/00380768.2020.1819148

Cited by 7 publications

(5 citation statements)

References 35 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Zhao et al , (2019) also suggest that protist communities, showing the strongest seasonal dynamics, serve as the most sensitive bio-indicators of soil changes. Oshima et al, (2020) reported that protists and fungal communities were less resistant and resilient to high temperatures than the bacterial community in soils. The kinetic stability, a crucial property of proteins for the adaptation and survival of microorganisms, is prevalent in prokaryotes but uncommon in eukaryotes (Xia et al, 2010), which might explain the higher sensitivity of eukaryotes to environmental changes.…”

Section: Resultsmentioning

confidence: 99%

Eukaryotic rather than prokaryotic microbiomes change over seasons in rewetted fen peatlands

Wang

Weil

Dumack

et al. 2020

Preprint

View full text Add to dashboard Cite

23Background: Drainage of high-organic peatlands for agricultural purposes has led to increased greenhouse 24 gas emissions and loss of biodiversity. In the last decades, rewetting of peatlands is on the rise worldwide, 25 to mitigate these negative impacts. However, it remains still questionable how rewetting would influence 26 peat microbiota as important drivers of nutrient cycles and ecosystem restoration. Here, we investigate the 27 spatial and temporal dynamics of the diversity, community composition and network interactions of 28 prokaryotes and eukaryotes, and the influence of rewetting on these microbial features in formerly long-29 term drained and agriculturally used fens. Peat-soils were sampled seasonally from three drained and three 30 rewetted sites representing the dominating fen peatland types of glacial landscapes in Northern Germany, 31 namely alder forest, costal fen and percolation fen. 32Results: Costal fens as salt-water impacted systems showed a lower microbial diversity and their microbial 33 community composition showed the strongest distinction from the other two peatland types. Prokaryotic 34 and eukaryotic community compositions showed a congruent pattern which was mostly driven by peatland 35 type and rewetting. Rewetting decreased the abundances of fungi and prokaryotic decomposers, while the 36 abundance of potential methanogens was significantly higher in the rewetted sites. Rewetting also 37 influenced the abundance of ecological clusters in the microbial communities identified from the co-38 occurrence network. The microbial communities changed only slightly with depth and over time. According 39 to structural equation models rewetted conditions affected the microbial communities through different 40 mechanisms across the three studied peatland types. 41 Conclusions:Our results suggest that rewetting strongly impacts the structure of microbial communities 42 and, thus, important biogeochemical processes, which may explain the high variation in greenhouse gas 43 emissions upon rewetting of peatlands. The improved understanding of functional mechanisms of rewetting 44 in different peatland types lays the foundation for securing best practices to fulfil multiple restoration goals 45 including those targeting on climate, water, and species protection. 46

show abstract

Section: Resultsmentioning

confidence: 99%

Eukaryotic rather than prokaryotic microbiomes change over seasons in rewetted fen peatlands

Wang

Weil

Dumack

et al. 2020

Preprint

View full text Add to dashboard Cite

show abstract

“…Temperature is an important factor controlling the ciliate community (Oshima et al, 2020) and affects the structure and functions of the soil microbial food web. For instance, ciliates can be destroyed by freezing temperatures, especially at soil moisture content exceeding 30 % (Müller et al, 2010).…”

Section: Discussionmentioning

confidence: 99%

Soil Alveolata diversity in the undisturbed steppe and wheat agrocenoses under different tillage

Naumova,

Barsukov,

Baturina

et al. 2023

Vestn. VOGiS

View full text Add to dashboard Cite

Microeukaryotes are vital for maintaining soil quality and ecosystem functioning, however, their communities are less studied than bacterial and fungal ones, especially by high throughput sequencing techniques. Alveolates are important members of soil microbial communities, being consumers and/or prey for other microorganisms. We studied alveolate diversity in soil under the undisturbed steppe (US) and cropped for wheat using two tillage practices (conventional, CT, and no-till, NT) by amplifying the ITS2 marker with ITS3_KYO2/ITS4 primers and sequencing amplicons using Illumina MiSeq. A total of 198 Alveolata OTUs were identified, with 158 OTUs attributed to the Ciliophora phylum, containing five classes: Litostomatea, Spirotrichea and Oligohymenophorea, Nassophorea and Phyllopharyngea. Litostomatea and Phyllopharyngea were more abundant in US as compared with CT and NT. The observed OTU richness was higher in US than in CT and NT. The β-biodiversity of soil ciliates also very distinctly differentiated the US field from CT and NT. In the US, Nassophorea and Spirotrichea correlated positively with sand and negatively with clay, silt and SOM contents. This is the first report about soil ciliates diversity in Siberia as assessed by metabarcoding technique. The revealed clear effect of land use on the relative abundance of some taxa and a lack of tillage effect suggest the importance of the quantity and quality of plant material input for shaping the prey for ciliates. The ITS-metabarcoding technique was used for the first time in the research of ciliates diversity; further studies, embracing diverse aspects of soil ciliates by combining -omics methodology with the traditional one, are needed to get a better insight on the ecological roles of the main ciliate taxa in the complex soil system.

show abstract

“…Ciliates, as a major group of protists, play important roles in microorganism communities, exhibiting high diversity in various environments, including rivers, lakes, and soil ecosystems (Bahram et al, 2018;Oshima et al, 2020). In this study, we identified 138 soil ciliate species across two seasons and four habitat types in the middle reaches of the Yarlung Zangbo River.…”

Section: Comprehensive Analysis Of Soil Ciliate Diversity In the Yarl...mentioning

confidence: 99%

Spatiotemporal distribution patterns of soil ciliate communities in the middle reaches of the Yarlung Zangbo River

Huang,

Li,

et al. 2024

Front. Environ. Sci.

View full text Add to dashboard Cite

Introduction: Soil ciliates, as protozoa, play a crucial role in biogeochemical cycling and the soil food web, yet they are highly sensitive to environmental fluctuations in soil conditions. The diversity and biogeographic characteristics of soil ciliates in the Tibetan Plateau remain poorly understood. As part of a regional survey focused on soil ciliate diversity, we investigated the composition and spatiotemporal variations of soil ciliate communities along the Yarlung Zangbo River, a representative soil habitat in the Tibetan Plateau.Methods: A total of 290 soil samples were collected from four habitat types of grassland, shrubland, forestland and wetland in the middle reaches of the Yarlung Zangbo River during the wet and dry seasons, and 138 species of ciliates were identified.Results: Soil ciliate diversity exhibited greater variation across habitat types than seasons. Moreover, soil ciliate diversity was higher during the wet season compared to the dry season, with the wetland habitat showing the highest diversity and the grassland habitat displaying the lowest. We observed spatiotemporal heterogeneity in the composition of soil ciliate communities across different seasons and habitat types. Notably, Litostomatea, Karyorelictea, and Prostomatea predominated in ciliate communities during the wet season and in grassland habitat. Phyllopharyngers dominated during dry seasons and in forested regions, while Spirotrichea species were prevalent in wetland and forested areas. The co-occurrence network analysis showed that soil ciliate community was more complex in wet season than in dry season, and the stability of soil ciliate community in wet season was higher than that in dry season. The stability of soil ciliate community in wetland was higher than that in forestland, shrubland and grassland, and the anti-interference ability was stronger. Soil temperature (ST), Total nitrogen (TN), Soil organic matter (SOM) and Soil water content (SWC) are important factors affecting the structure of soil ciliate community. By influencing the metabolic rate and nutrient acquisition of soil ciliates, the distribution pattern of soil ciliate community diversity in the middle reaches of Yarlung Zangbo River is shaped.Discussion: In summary, this study revealed the distribution pattern of soil ciliate community diversity in the Yarlung Zangbo River Basin, and the key factors affecting the spatial and temporal differences and stability of the community, enhancing our understanding of how ciliates adapt to environmental conditions in soil habitats across the Tibetan Plateau.

show abstract

Susceptibility and resilience of the soil ciliate community to high temperatures

Cited by 7 publications

References 35 publications

Eukaryotic rather than prokaryotic microbiomes change over seasons in rewetted fen peatlands

Eukaryotic rather than prokaryotic microbiomes change over seasons in rewetted fen peatlands

Soil Alveolata diversity in the undisturbed steppe and wheat agrocenoses under different tillage

Spatiotemporal distribution patterns of soil ciliate communities in the middle reaches of the Yarlung Zangbo River

Contact Info

Product

Resources

About