Gaszton Vizsnyiczai et al.

Microengineered 3D motors powered by bacteria and driven by light

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    The magnitude of organic carbon burial in lakes and reservoirs is poorly constrained. Here, using a compilation of modern data from the literature and statistical modeling, the authors estimate a global yearly organic carbon burial of 0.15 Pg C in inland waters, of which 40% is stored in reservoirs.

    • Raquel Mendonça
    • , Roger A. Müller
    • , David Clow
    • , Charles Verpoorter
    • , Peter Raymond
    • , Lars J. Tranvik
    •  & Sebastian Sobek
  • Article | | open

    Extracellular vesicles (EV)-associated RNAs are serum biomarkers potentially exploitable for early cancer diagnosis. Here the authors develop a catalyzed hairpin DNA circuit within a cationic lipid-polymer hybrid nanoparticle that can detect low–level EV-associated RNAs in early stage cancer patients.

    • Jiaming Hu
    • , Yan Sheng
    • , Kwang Joo Kwak
    • , Junfeng Shi
    • , Bohao Yu
    •  & L. James Lee
  • Article | | open

    It is unclear whether the transfer of plasmids carrying antibiotic resistance genes can explain their persistence when antibiotics are not present. Here, Lopatkin et al. show that conjugal plasmids, even when costly, are indeed transferred at sufficiently high rates to be maintained in the absence of antibiotics.

    • Allison J. Lopatkin
    • , Hannah R. Meredith
    • , Jaydeep K. Srimani
    • , Connor Pfeiffer
    • , Rick Durrett
    •  & Lingchong You
  • Article | | open

    Tip-growing cells can find their growing path toward the source of attractive signals. Here, using experimental data and mathematical modeling, Luo et al. demonstrate that tip-localized exocytosis can integrate guidance cues with Rho GTPase signaling to control cell wall mechanics and direct tip growth in Arabidopsis pollen tubes.

    • Nan Luo
    • , An Yan
    • , Gang Liu
    • , Jingzhe Guo
    • , Duoyan Rong
    • , Masahiro M. Kanaoka
    • , Zhen Xiao
    • , Guanshui Xu
    • , Tetsuya Higashiyama
    • , Xinping Cui
    •  & Zhenbiao Yang

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