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gf39873369

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Marshall W Bowles et al.
Science (New York, N.Y.), 344(6186), 889-891 (2014-05-09)
Sulfate reduction is a globally important redox process in marine sediments, yet global rates are poorly quantified. We developed an artificial neural network trained with 199 sulfate profiles, constrained with geomorphological and geochemical maps to estimate global sulfate-reduction rate distributions.
Mushtaq Mir et al.
Infection and immunity, 82(10), 4104-4117 (2014-07-23)
To persist and cause disease in the host, Mycobacterium tuberculosis must adapt to its environment during infection. Adaptations include changes in nutrient utilization and alterations in growth rate. M. tuberculosis Rv1422 is a conserved gene of unknown function that was
Melanie Hodel et al.
Microbial ecology, 68(3), 584-595 (2014-06-04)
Grassland ecosystems support large communities of aboveground herbivores that are known to directly and indirectly affect belowground properties such as the microbial community composition, richness, or biomass. Even though multiple species of functionally different herbivores coexist in grassland ecosystems, most
Siyoung Choi et al.
Acta biomaterialia, 24, 333-342 (2015-06-15)
Breast microcalcifications are routinely explored for mammographic detection of breast cancer and are primarily composed of non-stoichiometric hydroxyapatite (Ca10-x(PO4)6-x(CO3)x(OH)2-x) (HA). Interestingly, HA morphology and carbonate substitution vary in malignant vs. benign lesions. However, whether or not these changes (i) are
Claudia Colesie et al.
The ISME journal, 8(10), 2104-2115 (2014-04-04)
Biological soil crusts (BSC) are the dominant functional vegetation unit in some of the harshest habitats in the world. We assessed BSC response to stress through changes in biotic composition, CO2 gas exchange and carbon allocation in three lichen-dominated BSC
Wei-Qin Zhuang et al.
Proceedings of the National Academy of Sciences of the United States of America, 111(17), 6419-6424 (2014-04-16)
The acetyl-CoA "Wood-Ljungdahl" pathway couples the folate-mediated one-carbon (C1) metabolism to either CO2 reduction or acetate oxidation via acetyl-CoA. This pathway is distributed in diverse anaerobes and is used for both energy conservation and assimilation of C1 compounds. Genome annotations
Roghayeh Imani et al.
Nanoscale research letters, 10(1), 441-441 (2015-11-18)
The applications of zinc oxide (ZnO) nanowires (NWs) in implantable wireless devices, such as diagnostic nanobiosensors and nanobiogenerators, have recently attracted enormous attention due to their unique properties. However, for these implantable nanodevices, the biocompatibility and the ability to control the
Robert Farkaš et al.
PloS one, 9(4), e94383-e94383 (2014-04-16)
In contrast to the well defined mechanism of merocrine exocytosis, the mechanism of apocrine secretion, which was first described over 180 years ago, remains relatively uncharacterized. We identified apocrine secretory activity in the late prepupal salivary glands of Drosophila melanogaster
Mengxin Zhao et al.
The ISME journal, 8(10), 2045-2055 (2014-04-04)
Despite microbes' key roles in driving biogeochemical cycles, the mechanism of microbe-mediated feedbacks to global changes remains elusive. Recently, soil transplant has been successfully established as a proxy to simulate climate changes, as the current trend of global warming coherently
E Gramsch et al.
Journal of the Air & Waste Management Association (1995), 64(7), 785-796 (2014-08-16)
The size distribution of particles has been studied in three sites in the Metropolitan area of Santiago de Chile in the winter of 2009 and a comparison with black carbon was performed. Two sites are located near busy streets in
Pankaj Trivedi et al.
Trends in microbiology, 21(12), 641-651 (2013-10-22)
Soil organic carbon performs a number of functions in ecosystems and it is clear that microbial communities play important roles in land-atmosphere carbon (C) exchange and soil C storage. In this review, we discuss microbial modulators of soil C storage
J Boone Kauffman et al.
Ecological applications : a publication of the Ecological Society of America, 24(3), 518-527 (2014-05-20)
Mangroves are recognized to possess a variety of ecosystem services including high rates of carbon sequestration and storage. Deforestation and conversion of these ecosystems continue to be high and have been predicted to result in significant carbon emissions to the
Mehdi Ahmadi et al.
Environmental technology, 35(17-20), 2347-2355 (2014-08-26)
The formation potential of haloacetonitriles (HANsFP) from chlorination of raw water of the Dez River in Iran was determined. Samples were collected before treatment at an intake of a water treatment plant. Tests were carried out to determine the effect
Alin C Ionas et al.
Environmental research, 142, 712-719 (2015-09-24)
The presence and levels of flame retardants (FRs), such as polybrominated diphenyl ethers (PBDEs) and organophosphate flame retardants (PFRs), was determined in textile home furnishings, such as carpets and curtains from stores in Belgium. A comprehensive characterisation of FRs in
Teodor Parella et al.
Progress in nuclear magnetic resonance spectroscopy, 73, 17-55 (2013-08-22)
A general review of novel NMR methods to measure heteronuclear long-range proton-carbon coupling constants ((n)JCH; n>1) in small molecules is made. NMR experiments are classified in terms of NMR pulse scheme and cross-peak nature. A discussion about simplicity, general applicability
Jǖgang Wang et al.
PloS one, 10(4), e0124442-e0124442 (2015-04-22)
Prunus mongolica Maxim, which is widely established in the Gobi Desert, shows extreme tolerance to drought. However, there is a lack of available transcriptomic resources for this species related to its response to water deficiency. To investigate the mechanisms that
Athena D McKown et al.
Molecular ecology, 23(23), 5771-5790 (2014-10-17)
Stomata are essential for diffusive entry of gases to support photosynthesis, but may also expose internal leaf tissues to pathogens. To uncover trade-offs in range-wide adaptation relating to stomata, we investigated the underlying genetics of stomatal traits and linked variability
Kohei Ikeda et al.
Journal of the Air & Waste Management Association (1995), 64(4), 445-452 (2014-05-23)
The authors analyze the sensitivities of source regions in East Asia to PM2.5 (particulate matter with an aerodynamic diameter of < or = 2.5 microm) concentration at Fukue Island located in the western part of Japan by using a regional
Piyanuch Jaikaew et al.
Environmental monitoring and assessment, 187(12), 760-760 (2015-11-20)
To estimate the potential effect of seasonal variation on the fate of herbicides in andisol soil, atrazine and metolachlor residues were investigated through the summer and winter seasons during 2013 and 2014 under field condition. The computed half-lives of atrazine
Courtney Reichhardt et al.
Biochimica et biophysica acta, 1848(1 Pt B), 378-383 (2014-06-10)
Bacterial biofilms are communities of bacterial cells surrounded by a self-secreted extracellular matrix. Biofilm formation by Vibrio cholerae, the human pathogen responsible for cholera, contributes to its environmental survival and infectivity. Important genetic and molecular requirements have been identified for
Daniel M Alongi
Annual review of marine science, 6, 195-219 (2014-01-11)
Mangroves are ecologically and economically important forests of the tropics. They are highly productive ecosystems with rates of primary production equal to those of tropical humid evergreen forests and coral reefs. Although mangroves occupy only 0.5% of the global coastal
Unnatural base pairs: (n., pl.) man-made carbon-based molecules that can substitute for or extend the natural set of molecules that make up DNA.
Scientific American, 311(2), 21-21 (2014-08-07)
Clement J Cros et al.
Journal of the Air & Waste Management Association (1995), 65(8), 937-947 (2015-07-28)
Nitrogen oxides (NOx) emitted from combustion processes have elevated concentrations in large urban areas. They cause a range of adverse health effects, acid rain, and are precursors to formation of other atmospheric pollutants, such as ozone, peroxyacetyl nitrate, and inorganic
Marcia Shu-Wei Su et al.
Microbiology (Reading, England), 160(Pt 4), 795-806 (2014-02-11)
This study characterized the two-component regulatory systems encoded by bfrKRT and cemAKR, and assessed their influence on biofilm formation by Lactobacillus reuteri 100-23. A method for deletion of multiple genes was employed to disrupt the genetic loci of two-component systems.
Isabelle Aillaud et al.
Dalton transactions (Cambridge, England : 2003), (44)(44), 5105-5118 (2007-11-07)
The catalysed enantioselective formation of carbon-nitrogen bonds by the hydroamination reaction is reviewed. All examples deal with substrates containing non-activated carbon-carbon multiple bonds which are transformed either via intramolecular or intermolecular reactions. Structurally different complexes already provided nitrogen containing compounds/heterocycles
Jingbin Zeng et al.
Journal of chromatography. A, 1365, 29-34 (2014-09-25)
In this study, ordered mesoporous carbon (OMC) with large surface area (1019m(2)g(-1)), uniform mesoporous structure (pore size distribution centering at 4.2nm) and large pore volume (1.46cm(3)g(-1)) was synthesized using 2D hexagonally mesoporous silica MSU-H as the hard template and sucrose
Christoph Schell et al.
PloS one, 10(6), e0129424-e0129424 (2015-06-16)
The coxsackie- and adenovirus receptor (CXADR) is a member of the immunoglobulin protein superfamily, present in various epithelial cells including glomerular epithelial cells. Beside its known function as a virus receptor, it also constitutes an integral part of cell-junctions. Previous
Sara Pantini et al.
Waste management (New York, N.Y.), 43, 37-49 (2015-07-08)
In this work, the influence of different operating conditions on the biogas production from mechanically-biologically treated (MBT) wastes is investigated. Specifically, different lab-scale anaerobic tests varying the water content (26-43% w/w up to 75% w/w), the temperature (from 20 to
Keonghee Jeon et al.
The journal of physical chemistry. A, 119(22), 5714-5722 (2015-04-30)
Chlorinated organics are the principal and most frequently found contaminants in soil and groundwater, generating significant environmental problems. Over the past several decades, Fe-containing minerals naturally occurring in aquatic and terrestrial environments have been used as natural electron donors, which
I Zabaleta et al.
Journal of chromatography. A, 1387, 13-23 (2015-02-25)
An analytical method for the simultaneous determination in fish liver and muscle tissue and mussel samples of 14 perfluorinated compounds (PFCs), including three perfluoroalkylsulfonates (PFSAs), seven perfluorocarboxylic acids (PFCAs), three perfluorophosphonic acids (PFPAs) and perfluorooctanesulfonamide (PFOSA), and 10 potential precursors
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