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24,097 Newest Publications in proceedings of the national academy of sciences current issue

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Temperature response of soil respiration largely unaltered with experimental warming [Environmental Sciences]

29-Nov-2016 | Joanna C. Carey; Jianwu Tang; Pamela H. Templer; Kevin D. Kroeger; Thomas W. Crowther; Andrew J. Burton; Jeffrey S. ..., Proceedings of the National Academy of Sciences current issue, 2016

The respiratory release of carbon dioxide (CO2) from soil is a major yet poorly understood flux in the global carbon cycle. Climatic warming is hypothesized to increase rates of soil respiration, potentially fueling further increases in global temperatures. However, despite considerable ...

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Global patterns of kelp forest change over the past half-century [Ecology]

29-Nov-2016 | Kira A. Krumhansl; Daniel K. Okamoto; Andrew Rassweiler; Mark Novak; John J. Bolton; Kyle C. Cavanaugh; Sean D. Conn ..., Proceedings of the National Academy of Sciences current issue, 2016

Kelp forests (Order Laminariales) form key biogenic habitats in coastal regions of temperate and Arctic seas worldwide, providing ecosystem services valued in the range of billions of dollars annually. Although local evidence suggests that kelp forests are increasingly threatened by a variety of ...

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The double identity of linguistic doubling [Psychological and Cognitive Sciences]

29-Nov-2016 | Iris Berent; Outi Bat-El; Diane Brentari; Amanda Dupuis; Vered Vaknin-Nusbaum, Proceedings of the National Academy of Sciences current issue, 2016

Does knowledge of language consist of abstract principles, or is it fully embodied in the sensorimotor system? To address this question, we investigate the double identity of doubling (e.g., slaflaf, or generally, XX; where X stands for a phonological constituent). Across languages, doubling is ...

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Correction to Supporting Information for Biswas et al., E-cadherin junction formation involves an active kinetic nucleation process [SI Correction]

29-Nov-2016 | Proceedings of the National Academy of Sciences current issue, 2016

BIOPHYSICS AND COMPUTATIONAL BIOLOGY Correction to Supporting Information for “E-cadherin junction formation involves an active kinetic nucleation process,” by Kabir H. Biswas, Kevin L. Hartman, Cheng-han Yu, Oliver J. Harrison, Hang Song, Adam W. Smith, William Y. C. Huang, Wan-Chen Lin, ...

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Multiplex social ecological network analysis reveals how social changes affect community robustness more than resource depletion [Sustainability Science]

29-Nov-2016 | Jacopo A. Baggio; Shauna B. BurnSilver; Alex Arenas; James S. Magdanz; Gary P. Kofinas; Manlio De Domenico, Proceedings of the National Academy of Sciences current issue, 2016

Network analysis provides a powerful tool to analyze complex influences of social and ecological structures on community and household dynamics. Most network studies of social–ecological systems use simple, undirected, unweighted networks. We analyze multiplex, directed, and weighted networks of ...

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Nanoparticle engineered TRAIL-overexpressing adipose-derived stem cells target and eradicate glioblastoma via intracranial delivery [Medical Sciences]

29-Nov-2016 | Xinyi Jiang; Sergio Fitch; Christine Wang; Christy Wilson; Jianfeng Li; Gerald A. Grant; Fan Yang, Proceedings of the National Academy of Sciences current issue, 2016

Glioblastoma multiforme (GBM) is one of the most intractable of human cancers, principally because of the highly infiltrative nature of these neoplasms. Tracking and eradicating infiltrating GBM cells and tumor microsatellites is of utmost importance for the treatment of this devastating disease, ...

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Molecular mechanisms of substrate-controlled ring dynamics and substepping in a nucleic acid-dependent hexameric motor [Biochemistry]

29-Nov-2016 | Nathan D. Thomsen; Michael R. Lawson; Lea B. Witkowsky; Song Qu; James M. Berger, Proceedings of the National Academy of Sciences current issue, 2016

Ring-shaped hexameric helicases and translocases support essential DNA-, RNA-, and protein-dependent transactions in all cells and many viruses. How such systems coordinate ATPase activity between multiple subunits to power conformational changes that drive the engagement and movement of client ...

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Tetraphenylethene-based highly emissive metallacage as a component of theranostic supramolecular nanoparticles [Biochemistry]

29-Nov-2016 | Guocan Yu; Timothy R. Cook; Yang Li; Xuzhou Yan; Dan Wu; Li Shao; Jie Shen; Guping Tang; Feihe Huang; Xiaoyuan Chen; ..., Proceedings of the National Academy of Sciences current issue, 2016

A theranostic agent combines diagnostic reporter with therapeutic activity in a single entity, an approach that seeks to increase the efficacy of cancer treatment. Herein, we describe the synthesis of a highly emissive tetraphenylethene-based metallacage using multicomponent coordination-driven ...

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Twisted light transmission over 143 km [Physics]

29-Nov-2016 | Mario Krenn; Johannes Handsteiner; Matthias Fink; Robert Fickler; Rupert Ursin; Mehul Malik; Anton Zeilinger, Proceedings of the National Academy of Sciences current issue, 2016

Spatial modes of light can potentially carry a vast amount of information, making them promising candidates for both classical and quantum communication. However, the distribution of such modes over large distances remains difficult. Intermodal coupling complicates their use with common fibers, ...

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Global analysis of somatic structural genomic alterations and their impact on gene expression in diverse human cancers [Biophysics and Computational Biology]

29-Nov-2016 | Babak Alaei-Mahabadi; Joydeep Bhadury; Joakim W. Karlsson; Jonas A. Nilsson; Erik Larsson, Proceedings of the National Academy of Sciences current issue, 2016

Tumor genomes are mosaics of somatic structural variants (SVs) that may contribute to the activation of oncogenes or inactivation of tumor suppressors, for example, by altering gene copy number amplitude. However, there are multiple other ways in which SVs can modulate transcription, but the ...

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