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Browsing MIT Open Access Articles by Title

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  • Zhu, Yuwen; Yao, Sheng; Iliopoulou, Bettina P.; Han, Xue; Augustine, Mathew M.; Xu, Haiying; Phennicie, Ryan T.; Flies, Sarah J.; Broadwater, Megan; Ruff, William; Taube, Janis M.; Zheng, Linghua; Luo, Liqun; Zhu, Gefeng; Chen, Jianzhu; Chen, Lieping (Nature Publishing Group, 2013-06)
    The B7/CD28 family has profound modulatory effects in immune responses and constitutes an important target for the development of novel therapeutic drugs against human diseases. Here we describe a new CD28 homologue (CD28H) ...
  • Zhang, Yan; Stubbe, JoAnne (American Chemical Society (ACS), 2011-05)
    Bacillus subtilis class Ib ribonucleotide reductase (RNR) catalyzes the conversion of nucleotides to deoxynucleotides, providing the building blocks for DNA replication and repair. It is composed of two proteins: α (NrdE) ...
  • Lee, Catherine Ann; Thomas, Jacob; Grossman, Alan D. (American Society for Microbiology, 2012-04)
    Integrative and conjugative elements (ICEs, also known as conjugative transposons) are mobile elements that are found integrated in a host genome and can excise and transfer to recipient cells via conjugation. ICEs and ...
  • Roccaro, Alvaro; Tomita, H.; Ahlen, S.; Avery, D.; Inglis, A.; Battat, J.; Dujmic, D.; Henderson, S.; Fisher, Peter H.; Kaboth, A.; Kohse, G.; Lanza, R.; Monroe, J.; Sciolla, G.; Skvorodnev, N.; Wellenstein, H.; Yamamoto, R. (Elsevier, 2009-07)
    We show data from a new type of detector that can be used to determine the neutron flux, the energy distribution, and the direction of motion neutron for both fast and thermal neutrons. Many neutron detectors are plagued ...
  • Hohm, Olaf; Hull, Chris; Zwiebach, Barton (Springer Berlin / Heidelberg, 2010-07)
    Double field theory describes a massless subsector of closed string theory with both momentum and winding excitations. The gauge algebra is governed by the Courant bracket in certain subsectors of this double field theory. ...
  • Brown, Scott R.; Eickstedt, Donald (Institute of Electrical and Electronics Engineers, 2010-03)
    In this paper, an innovative hybrid control architecture for real-time control of autonomous robotic vehicles is described as well as its implementation on a commercially available autonomous underwater vehicle (AUV). This ...
  • Ritvo, Harriet (2014)
    Research from a humanist perspective has much to offer in interrogating the social and cultural ramifications of invasion ecologies. The impossibility of securing national boundaries against accidental transfer and the ...
  • Desimone, Robert; Buffalo, Elizabeth A.; Fries, Pascal; Landman, Rogier; Liang, Hualou (National Academy of Sciences, 2010-01)
    The visual processing of behaviorally relevant stimuli is enhanced through top-down attentional feedback. One possibility is that feedback targets early visual areas first and the attentional enhancement builds up at ...
  • Kim, Dennis H. (Annual Reviews, 2013-11)
    The molecular genetic analysis of longevity of Caenorhabditis elegans has yielded fundamental insights into evolutionarily conserved pathways and processes governing the physiology of aging. Recent studies suggest that ...
  • Brigham, Christopher J.; Kurosawa, Kazuhiko; Rha, ChoKyun; Sinskey, Anthony J. (OMICS Publishing Group, 2011-12)
    PhaR from Paracoccus denitrificans functions as a repressor or autoregulator of the expression of genes encoding phasin protein (PhaP) and PhaR itself, both of which are components of polyhydroxyalkanoate (PHA) granules ...
  • Stocker, Roman; Seymour, Justin R.; Ahmed, Tanvir (Oxford University Press, 2009-10)
    Marine bacteria exhibit positive chemotactic responses to the extracellular exudates of the toxic phytoplankton Heterosigma akashiwo. In the environment, this will support bacteria–algae associations with potential ...
  • Friedlander, Ronn Samuel; Vlamakis, Hera; Kim, Philseok; Khan, Mughees; Kolter, Roberto; Aizenberg, Joanna (National Academy of Sciences (U.S.), 2013-03)
    Biofilms, surface-bound communities of microbes, are economically and medically important due to their pathogenic and obstructive properties. Among the numerous strategies to prevent bacterial adhesion and subsequent biofilm ...
  • Gareau, Melanie G.; Wine, Eytan; Rodrigues, David M.; Cho, Joon Ho; Whary, Mark T.; Philpott, Dana J.; MacQueen, Glenda; Sherman, Philip M. (BMJ Publishing, 2010-10)
    Background: The brain–gut axis is a key regulator of normal intestinal physiology; for example, psychological stress is linked to altered gut barrier function, development of food allergies and changes in behaviour. Whether ...
  • Marcos; Fu, Henry C.; Powers, Thomas R.; Stocker, Roman (National Academy of Sciences (U.S.), 2012-03)
    The motility of organisms is often directed in response to environmental stimuli. Rheotaxis is the directed movement resulting from fluid velocity gradients, long studied in fish, aquatic invertebrates, and spermatozoa. ...
  • Biller, Steven; Schubotz, Florence; Roggensack, Sara; Thompson, Anne W.; Summons, Roger Everett; Chisholm, Sallie (Penny) (American Association for the Advancement of Science (AAAS), 2014-01)
    Many heterotrophic bacteria are known to release extracellular vesicles, facilitating interactions between cells and their environment from a distance. Vesicle production has not been described in photoautotrophs, however, ...
  • Citorik, Robert James; Mimee, Mark K.; Lu, Timothy K. (Elsevier, 2014-06)
    Since their discovery, bacteriophages have contributed enormously to our understanding of molecular biology as model systems. Furthermore, bacteriophages have provided many tools that have advanced the fields of genetic ...
  • Xie, Yuzhen; Maza, Marc Moreno (Institute of Electrical and Electronics Engineers, 2010-02)
    In symbolic computation, polynomial multiplication is a fundamental operation akin to matrix multiplication in numerical computation. We present efficient implementation strategies for FFT-based dense polynomial multiplication ...
  • Kim, Sunghwan; Sideris, Polixeni Dionisia; Sevier, Carolyn S.; Kaiser, Chris (Rockefeller University Press, The, 2012-03)
    The endoplasmic reticulum (ER) provides an environment optimized for oxidative protein folding through the action of Ero1p, which generates disulfide bonds, and Pdi1p, which receives disulfide bonds from Ero1p and transfers ...
  • DiCarlo, James; Rust, Nicole C. (Society for Neuroscience, 2012-07)
    Although popular accounts suggest that neurons along the ventral visual processing stream become increasingly selective for particular objects, this appears at odds with the fact that inferior temporal cortical (IT) neurons ...
  • Speth, Raymond L.; Green, William H.; MacNamara, Shevarl; Strang, W. Gilbert (Society for Industrial and Applied Mathematics, 2013-11)
    Many systems of equations fit naturally in the form $du/dt = A(u) + B(u)$. We may separate convection from diffusion, $x$-derivatives from $y$-derivatives, and (especially) linear from nonlinear. We alternate between ...
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