Explanipedia

Distance decay of plant and fungal communities at the mesotopographical scale of the Arctic tundra Open

Shota Masumoto, Ryo Kitagawa, Ryo Kaneko, Keita Nishizawa, Shunsuke Matsuoka , et al. · 2025

Distance decay of biological community similarity occurs at global and local scales. Although fine-scale environmental heterogeneity and stress-tolerant organisms likely promote distance decay at local scales in Arctic tundra ecosystems, t…

Ultrasmall Superparamagnetic Magnetite Nanoparticles as Glutamate-Responsive Magnetic Resonance Sensors Open

Hannah Mettee, Aaron Asparin, Zulaikha Ali, Shi He, Xianzhi Li , et al. · 2025

Glutamate, the primary excitatory neurotransmitter in the central nervous system, plays a pivotal role in synaptic signaling, learning, and memory. Abnormal glutamate levels are implicated in various neurological disorders, including epile…

Local perceptions of foodscapes and their representation in visual and texts: A visual content analysis of photography in Japanese coastal area Open

Masaki Uchida, Rei Sugawara, Ryo Kohsaka · 2025

The term "foodscape" has recently gained prominence in academic discourse, fostering interdisciplinary research into the relationship between food and local environments. This study focuses on the material aspect of foodscapes and aims to …

Distance decay of plant and fungal communities depends on microtopography in the Arctic tundra Open

Shota Masumoto, Ryo Kitagawa, Ryo Kaneko, Keita Nishizawa, Shunsuke Matsuoka , et al. · 2024

Distance decay of biological community similarity exists at global and local scales. Although fine-scale environmental heterogeneity and stress-tolerant organisms of the Arctic likely promote distance decay at local scales in tundra ecosys…

Bacterial phylotypes associated with rock-dwelling Umbilicaria Lichens from Arctic/Subarctic areas in North America and Northern Europe Open

Zichen He, Takeshi Naganuma, Merry Sailonga Faluaburu, Ryosuke Nakai, Hiroshi Kanda , et al. · 2024

The diversity of bacteria associated with lichens has received increasing attention. However, studies based on next-generation sequencing of microbiomes have not yet been conducted in the Arctic and Subarctic regions. In this study, rock-d…

Draft genome sequence of the basidiomycetous yeast <i>Mrakia hoshinonis</i> JCM 32575 <sup>T</sup> isolated from Ellesmere Island, Canadian High Arctic Open

Tatsuya Fujikawa, Jun-ichi Ishihara, Warwick F. Vincent, Masaki Uchida, Masaharu Tsuji · 2024

Mrakia hoshinonis JCM 32575 was isolated from glacial sediments on Ellesmere Island in the Canadian High Arctic and described as a new basidiomycetous yeast. This species does not require amino acids and vitamins for growth and can …

Higher-Order VLP-Based Protein Macromolecular Framework Structures Assembled via Coiled-Coil Interactions Open

Nathasha D. Hewagama, Masaki Uchida, Yang Wang, Pawel Kraj, Byeongdu Lee , et al. · 2023

Hierarchical organization is one of the fundamental features observed in biological systems that allows for efficient and effective functioning. Virus-like particles (VLPs) are elegant examples of a hierarchically organized supramolecular …

Vegetation as a key driver of the distribution of microbial generalists that in turn shapes the overall microbial community structure in the low Arctic tundra Open

Shu-Kuan Wong, Yingshun Cui, Seong-Jun Chun, Ryo Kaneko, Shota Masumoto , et al. · 2023

Carbon exchange and primary production in a High-Arctic peatland in Svalbard Open

Takayuki Nakatsubo, Mitsuru Hirota, Ayaka W. Kishimoto‐Mo, Noriko Oura, Masaki Uchida · 2023

Moss tundra with a thick peat layer dominated by bryophytes is one of the most important ecosystems in the High Arctic of Svalbard, but little is known about the carbon dynamics of moss tundra. Here, we estimated the net primary production…

Protein-based nanobubble x-ray imaging method and agent Open

Christoph Rose-Petruck, Trevor Douglas, Danielle Rand, Masaki Uchida · 2023

Systems, compositions, methods and kits employ protein shells, such as ferritin or viral capsid shells, herein called nanobubbles, to enhance X-ray images of cells or body tissue under certain x-ray imaging methods. The nanobubbles have su…

Fabrication of Protein Macromolecular Frameworks (PMFs) and Their Application in Catalytic Materials Open

Masaki Uchida, Ekaterina Selivanovitch, Kimberly McCoy, Trevor Douglas · 2023

Impacts of Ecosystem Restoration on Soil Fungal Community Structure: Comparisons between Tree Planting and Natural Regeneration Open

Minagi Naka, Shota Masumoto, Keita Nishizawa, Shunsuke Matsuoka, Shinichi Tatsumi , et al. · 2023

Strain-modulated anisotropic electronic structure in superconducting RuO$_2$ films Open

Connor A. Occhialini, Luiz G. P. Martins, Shiyu Fan, Valentina Bisogni, Takahiro Yasunami , et al. · 2022

The binary ruthenate, RuO$_2$, has been the subject of intense interest due to its itinerant antiferromagnetism and strain-induced superconductivity. The strain mechanism and its effect on the microscopic electronic states leading to the n…

Multilayered Ordered Protein Arrays Self-Assembled from a Mixed Population of Virus-like Particles Open

Masaki Uchida, Nicholas E. Brunk, Nathasha D. Hewagama, Byeongdu Lee, Peter E. Prevelige , et al. · 2022

Biology shows many examples of spatially controlled assembly of cells and biomacromolecules into hierarchically organized structures, to which many of the complex biological functions are attributed. While such biological structures have i…

Five decades of terrestrial and freshwater research at Ny-Ålesund, Svalbard Open

Åshild Ønvik Pedersen, Peter Convey, Kevin K. Newsham, Jesper Bruun Mosbacher, Eva Fuglei , et al. · 2022

For more than five decades, research has been conducted at Ny-Ålesund, in Svalbard, Norway, to understand the structure and functioning of High-Arctic ecosystems and the profound impacts on them of environmental change. Terrestrial, freshw…

Development of an Excitation and Detection System of Electron Bernstein Waves in LATE Open

X. M. Guo, Ryo Ashida, Yuto Noguchi, H. Tanaka, Masaki Uchida , et al. · 2022

In order to detect the wave pattern of electron Bernstein waves (EBWs), an excitation and detection system has been developed in Low Aspect ratio Torus Experiment (LATE). The system consists of a waveguide launcher with arbitrary polarizat…

Glacier Retreat Results in Loss of Fungal Diversity Open

Masaharu Tsuji, Warwick F. Vincent, Yukiko Tanabe, Masaki Uchida · 2022

Walker Glacier near the northern coast of Ellesmere Island in the Canadian High Arctic (terrestrial margin of the ‘Last Ice Area’) is undergoing rapid ice attrition in response to climate change. We applied culture and molecular methods to…

Glacier Retreat Results in Loss of Fungal Diversity Open

Masaharu Tsuji, Warwick F. Vincent, Yukiko Tanabe, Masaki Uchida · 2022

Walker Glacier near the northern coast of Ellesmere Island in the High Canadian Arctic (terrestrial margin of the ‘Last Ice Area’) is undergoing rapid ice attrition in response to climate change. We applied culture and molecula…

Harnessing physicochemical properties of virus capsids for designing enzyme confined nanocompartments Open

Masaki Uchida, Elia Manzo, Dustin Echeveria, Sophie Jiménez, Logan Lovell · 2021

Four-Dimensional Reconstruction of Leaked Gas Cloud Based on Computed Tomography Processing of Multiple Optical Paths Infrared Measurement Open

Daiki SHIOZAWA, Masaki Uchida, Yuki Ogawa, Takahide SAKAGAMI, Shiro KUBO · 2021

Currently, gas leakage source detection is conducted by the human senses and experience. The development of a remote gas leakage source detection system is required. In this research, an infrared camera was used to detect gas leakage. The …

Identification and Isolation Pattern of Globisporangium spp. from a Sanionia Moss Colony in Ny-Ålesund, Spitsbergen Is., Norway from 2006 to 2018 Open

Motoaki Tojo, Natsumi Fujii, Hironori Yagi, Yūki Yamashita, Katsuyuki Tokura , et al. · 2021

Globisporangium spp. are soil-inhabiting oomycetes distributed worldwide, including in polar regions. Some species of the genus are known as important plant pathogens. This study aimed to clarify the species construction of Globisporangium…

Substrate Partitioning into Protein Macromolecular Frameworks for Enhanced Catalytic Turnover Open

Ekaterina Selivanovitch, Masaki Uchida, Byeongdu Lee, Trevor Douglas · 2021

Spatial partitioning of chemical processes is an important attribute of many biological systems, the effect of which is reflected in the high efficiency of enzymes found within otherwise chaotic cellular environments. Barriers, often provi…

Water column gradients beneath the summer ice of a High Arctic freshwater lake as indicators of sensitivity to climate change Open

Paschale Noël Bégin, Yukiko Tanabe, Milla Rautio, Maxime Wauthy, Isabelle Laurion , et al. · 2021

北極と南極に生息する菌類の産業利用を目指して Open

Masaharu Tsuji, Sakae Kudoh, Masaki Uchida, Tamotsu Hoshino · 2021

Self-Assembly of Virus Particle Based Materials for Hydrogen Catalysis Open

Trevor Douglas, Masaki Uchida · 2020

Viruses are sophisticated protein-based containers and their self-assembly from a small number of subunits into symmetrical, monodisperse architectures has inspired the work performed under this award. We have taken advantage of the robust…

The littoral zone of polar lakes: inshore–offshore contrasts in an ice-covered High Arctic lake Open

Paschale Noël Bégin, Milla Rautio, Yukiko Tanabe, Masaki Uchida, Alexander I. Culley , et al. · 2020

In ice-covered polar lakes, a narrow ice-free moat opens up in spring or early summer, and then persists at the edge of the lake until complete ice loss or refreezing. In this study, we analyzed the horizontal gradients in Ward Hunt Lake, …

Taxonomic, functional, and phylogenetic diversity of fungi in a forest-tundra ecotone in Québec Open

Shunsuke Matsuoka, Hideyuki Doi, Shota Masumoto, Ryo Kitagawa, Keita Nishizawa , et al. · 2020

Extreme warming and regime shift toward amplified variability in a far northern lake Open

Paschale Noël Bégin, Yukiko Tanabe, Michio Kumagai, Alexander I. Culley, Michel Paquette , et al. · 2020

Mean annual air temperatures in the High Arctic are rising rapidly, with extreme warming events becoming increasingly common. Little is known, however, about the consequences of such events on the ice‐capped lakes that occur abundantly acr…

Virus-Like Particles (VLPs) as a Platform for Hierarchical Compartmentalization Open

Hitesh Kumar Waghwani, Masaki Uchida, Chi‐yu Fu, Benjamin LaFrance, Jhanvi Sharma , et al. · 2020

Hierarchically self-assembled structures are common in biology, but it is often challenging to design and fabricate synthetic analogs. The archetypal cell is defined by hierarchically organized multicompartmentalized structures with bounda…

The archaeal Dps nanocage targets kidney proximal tubules via glomerular filtration Open

Masaki Uchida, Bernhard Maier, Hitesh Kumar Waghwani, Ekaterina Selivanovitch, S. Louise Pay , et al. · 2019

Nature exploits cage-like proteins for a variety of biological purposes, from molecular packaging and cargo delivery to catalysis. These cage-like proteins are of immense importance in nanomedicine due to their propensity to self-assemble …

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