Results 41 to 50 of about 9,670 (174)

Arsenite modifies structure of soil microbial communities and arsenite oxidization potential [PDF]

FEMS Microbiology Ecology, 2013
The influence of arsenite [As(III)] on natural microbial communities and the capacity of exposed communities to oxidize As(III) has not been well explored. In this study, we conducted soil column experiments with a natural microbial community exposed to different carbon conditions and a continuous flow of As(III).
Lami, Raphaël, Jones, L. Camille, Cottrell, Matthew, Lafferty, Brandon, Ginder-Vogel, M., Sparks, Donald, Kirchman, David   +6 more
openaire   +3 more sources

Influence of silicon on arsenic uptake and toxicity in lettuce

Journal of Applied Botany and Food Quality, 2015
Lettuce grown in soil is found to contain high concentrations of arsenic (As). This paper investigates the uptake and speciation of As in lettuce as well as the influenceof silicon (Si) on As uptake, since Si may decrease it.
Maria Greger, Claes Bergqvist, Arifin Sandhi, Tommy Hans Landberg   +3 more
doaj   +1 more source

An Adipocyte MKK3–p38β Axis Preserves Insulin Responsiveness in Mice and Is Reciprocally Altered in Human Obesity

Advanced Science, EarlyView.
The adipocyte MKK3–p38β axis emerges as an adaptive stress‐response pathway during obesity. Human visceral adipose tissue analyses, adipocyte‐specific mouse models, and primary adipocytes show that the MKK3–p38β axis supports insulin responsiveness by restraining p70S6K‐dependent inhibitory IRS1 feedback and preserving AKT–GLUT4 signaling. This pathway
Edgar Bernardo, Nuria Matesanz, Jorge‐Luis Torres, Alba C. Arcones, Juan Ignacio Jiménez‐Loygorri, Alfonso Mora, Leticia Herrera‐Melle, Luis Leiva‐Vega, Maria Elena Rodriguez, Lourdes Hernández‐Cosido, Marta Leon, Paula Yong González, Teresa Durán, Tamara Parracho, Francisca Mulero, Rubén Nogueiras, J. Simon C. Arthur, Angel R. Nebreda, Roger J. Davis, Miguel Marcos, Guadalupe Sabio   +20 more
wiley   +1 more source

Molybdenum-Containing Arsenite Oxidase of the Chemolithoautotrophic Arsenite Oxidizer NT-26 [PDF]

Journal of Bacteriology, 2004
ABSTRACT The chemolithoautotroph NT-26 oxidizes arsenite to arsenate by using a periplasmic arsenite oxidase. Purification and preliminary characterization of the enzyme revealed that it (i) contains two heterologous subunits, AroA (98 kDa) and AroB (14 kDa); (ii) has a native molecular mass of 219 kDa, suggesting
Joanne M, Santini, Rachel N, vanden Hoven   +1 more
openaire   +2 more sources

Protective effects of hexane fraction of Costus afer leaves against sodium arsenite-induced hepatotoxicity and nephrotoxicity in male albino wistar rats [PDF]

The Ukrainian Biochemical Journal, 2020
Arsenite is a toxic metallic pollutant known to cause hepatotoxic and nephrotoxic injuries. Costus afer Ker Gawl. is an indigenous medicinal plant used as therapy for numerous tissue disorders. Thus, this study investigated the protective potential of C.
G. N. Anyasor, O. O. Aramide, O. S. Shokunbi   +2 more
doaj   +1 more source

Prion‐Like Protein LENG8‐Mediated Nucleation Drives Stress Granule Assembly

Advanced Science, EarlyView.
LENG8 is a newly identified stress granule (SG) nucleator required for SG assembly. Following stress, nuclear LENG8 granules disassemble, allowing LENG8 to translocate into the cytoplasm and form independent nucleation foci. These foci fuse with canonical early G3BP1/TIA1 seeds via LENG8‐TIA1 binding to drive SG maturation.
Mingxing Zhang, Xin Wang, Yilan Teng, Zhicheng Wu, Jing Fan, Hongwen Zhu, Peng Dai   +6 more
wiley   +1 more source

Sodium Arsenite-Induced Learning and Memory Impairment Is Associated with Endoplasmic Reticulum Stress-Mediated Apoptosis in Rat Hippocampus

Frontiers in Molecular Neuroscience, 2017
Chronic arsenic exposure has been associated to cognitive deficits. However, mechanisms remain unknown. The present study investigated the neurotoxic effects of sodium arsenite in drinking water over different dosages and time periods.
Hongna Sun, Yanmei Yang, Hanwen Shao, Weiwei Sun, Muyu Gu, Hui Wang, Lixin Jiang, Lisha Qu, Dianjun Sun, Yanhui Gao, Yanhui Gao   +10 more
doaj   +1 more source

Development and Validation of a Cellulose‐Coated Stir Bar Sorptive Extraction Method for a Simple, Environmentally Friendly Approach to Measuring Free Glycerol in Biodiesel

Journal of the American Oil Chemists' Society, EarlyView.
Preparation of a highly porous cellulose‐coated stir bar for the selective, environmentally friendly extraction of free glycerol from biodiesel using the SBSE method, followed by HPLC‐DAD analysis of the extract after derivatization with benzoyl chloride.
Caroline Lopes da Silva, Maria Aparecida Barros, Antônio Carlos Ferreira Batista, Anizio Marcio de Faria   +3 more
wiley   +1 more source

Arsenite exposure induces premature senescence and senescence-associated secretory phenotype (SASP) in human hepatocyte-derived cell line Huh-7

Environmental Health and Preventive Medicine
Background: Chronic arsenite exposure has been known to induce cancer in various organs; however, the underlying mechanisms remain elusive. The characteristic feature of carcinogenesis due to arsenic exposure is that the disease develops after a ...
Kazuyuki Okamura, Miyuki Sato, Takehiro Suzuki, Keiko Nohara   +3 more
doaj   +1 more source

A Comparison among Synthetic Layered Double Hydroxides (LDHs) as Effective Adsorbents of Inorganic Arsenic from Contaminated Soil–Water Systems

Soil Systems, 2020
The need for cost-effective adsorbents of inorganic arsenic (As(III) and As(V)) stimulates the academia to synthesize and test novel materials that can be profitably applied at large-scale in most affected areas worldwide.
Massimo Pigna, Antonio Violante, Antonio Giandonato Caporale   +2 more
doaj   +1 more source