Search Results - "Seto, Mayumi"

Microbial material cycling, energetic constraints and ecosystem expansion in subsurface ecosystems by Seto, Mayumi, Iwasa, Yoh

“…To harvest energy from chemical reactions, microbes engage in diverse catabolic interactions that drive material cycles in the environment. Here, we consider a…”
Get full text

Population dynamics of chemotrophs in anaerobic conditions where the metabolic energy acquisition per redox reaction is limited by Seto, Mayumi, Iwasa, Yoh

“…•We modeled microbial population growth based on low-energy redox reactions.•More energy is extracted when the reactants are abundant and the products are…”
Get full text

The Gibbs Free Energy Threshold for the Invasion of a Microbial Population Under Kinetic Constraints by Seto, Mayumi

“…Possible chemotrophic metabolism at a site of interest is controlled not only by the catabolic energy expressed as the Gibbs energy of reaction (Δ r G) but…”
Get full text

Survivability and life support in sealed mini-ecosystems with simulated planetary soils by Sato, Tsubasa, Abe, Ko, Koseki, Jun, Seto, Mayumi, Yokoyama, Jun, Akashi, Tomohiro, Terada, Masahiro, Kadowaki, Kohmei, Yoshida, Satoshi, Yamashiki, Yosuke Alexandre, Shimamura, Teppei

“…Establishing a sustainable life-support system for space exploration is a formidable challenge due to the vast distances, high costs, and environmental…”
Get full text

How Thermodynamics Illuminates Population Interactions in Microbial Communities by Seto, Mayumi, Iwasa, Yoh

“…In traditional population models of microbial ecology, there are two central players: producers and consumers (including decomposers that depend on organic…”
Get full text

Cohesive bond strength of marine aggregates and its role in fragmentation by Hayashi, Yasuhito, Wada, Shigeki, Seto, Mayumi, Adachi, Yasuhisa

“…Marine aggregates are one of the main contributors to carbon sequestration in the deep sea through the gravitational settling of biogenic particles formed from…”
Get full text

Sample Size Allocation for Food Item Radiation Monitoring and Safety Inspection by Seto, Mayumi, Uriu, Koichiro

“…The objective of this study is to identify a procedure for determining sample size allocation for food radiation inspections of more than one food item to…”
Get full text

Individual and combined suppressive effects of submerged and floating-leaved macrophytes on algal blooms by Seto, Mayumi, Takamura, Noriko, Iwasa, Yoh

“…Shallow lakes and ponds are often characterised either by clear water with abundant submerged macrophytes or by turbid water with abundant phytoplankton…”
Get full text

Chemical condition for the appearance of a negative Ce anomaly in stream waters and groundwaters by SETO, MAYUMI, AKAGI, TASUKU

“…Nine publications showing REE data in groundwaters and river water were examined to understand the general condition of terrestrial water where a negative Ce…”
Get full text

Mathematical explanation for the non-linear hydrophobicity-dependent bioconcentration processes of persistent organic pollutants in phytoplankton by Seto, Mayumi, Handoh, Itsuki C.

“…Phytoplankton play a vital role in determining the fate and transport of persistent organic pollutants (POPs) in aquatic ecosystems. Lipids in phytoplankton…”
Get full text

Microbial redox cycling enhances ecosystem thermodynamic efficiency and productivity by Seto, Mayumi, Kondoh, Michio

“…Microbial life in low-energy ecosystems relies on individual energy conservation, optimizing energy use in response to interspecific competition and…”
Get full text

All-trans retinoic acid increases expression of aquaporin-5 and plasma membrane water permeability via transactivation of Sp1 in mouse lung epithelial cells by Nomura, Johji, Horie, Ichiro, Seto, Mayumi, Nagai, Kazufumi, Hisatsune, Akinori, Miyata, Takeshi, Isohama, Yoichiro

“…Aquaporin-5 (AQP5) is a water-selective channel protein that is expressed in lacrimal glands, salivary glands, and distal lung. Several studies using AQP5…”
Get full text

Influence of snow on iron release from soil by Seto, Mayumi, Akagi, Tasuku

“…The concentration of Fe in stream water and groundwater was measured monthly during a whole year. The study fields were Ozenuma lake and Senjougahara peatland,…”
Get full text

Perspectives for ecosystem management based on ecosystem resilience and ecological thresholds against multiple and stochastic disturbances by Sasaki, Takehiro, Furukawa, Takuya, Iwasaki, Yuichi, Seto, Mayumi, Mori, Akira S.

“…•We provided management perspectives by applying resilience and threshold concepts.•We need to examine how a particular element of biodiversity confers…”
Get full text

The fitness of chemotrophs increases when their catabolic by‐products are consumed by other species by Seto, Mayumi, Iwasa, Yoh, Grover, James

“…Chemotrophic microorganisms synthesise biomass by utilising energy obtained from a set of chemical reactions that convert resources to by‐products, forming…”
Get full text

Assessment of Instructions on Protection Against Food Contaminated with Radiocesium in Japan in 2011 by Seto, Mayumi, Uriu, Koichiro, Kawaguchi, Isao, Yokomizo, Hiroyuki

“…The Japan Ministry of Health, Labour and Welfare (MHLW) has published instructions for radiological protection against food after the Fukushima Daiichi nuclear…”
Get full text

Regime shift and robustness of organism-created environments: A model for microbial ecosystems by Seto, Mayumi, Iwasa, Yoh

“…Organism–environment interactions are different from organism–resource interactions in two respects: (1) resources can only be consumed by organisms whereas…”
Get full text

Potential ecosystem regime shift resulting from elevated CO2 and inhibition of macroalgal recruitment by turf algae by Seto, Mayumi, Harvey, Ben P., Wada, Shigeki, Agostini, Sylvain

“…Rising carbon dioxide (CO 2 ) concentrations are predicted to cause an undesirable transition from macroalgae-dominant to turf algae-dominant ecosystems due to…”
Get full text

The effect of zinc on aquatic microbial ecosystems and the degradation of dissolved organic matter by Seto, Mayumi, Wada, Shigeki, Suzuki, Satoru

“…► Our modelling study investigates potential effects of zinc on microbial ecosystems. ► The model comprises a traditional food chain and a microbial loop. ►…”
Get full text

Differential effects on D2 dopamine receptor and prolactin gene expression by haloperidol and aripiprazole in the rat pituitary by INOUE, A, SETO, M, SUGITA, S, HIDE, I, HIROSE, T, KOGA, N, KIKUCHI, T, NAKATA, Y

“…[3H]Spiperone-binding assay to D2 receptors and quantitative ribonuclease protection assay for both isoforms (D2L and D2S receptor) of the D2 receptor mRNA and…”
Get full text