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  • Integration of single-cell RNA sequencing data between different samples has been a major challenge for analyzing cell populations. Here the authors benchmark 46 workflows for differential expression analysis of single-cell data with multiple batches and suggest several high-performance methods under different conditions based on simulation and real data analyses.

    • Hai C. T. Nguyen
    • Bukyung Baik
    • Dougu Nam
    ArticleOpen Access
  • One of the main sources of uncertainty in carbon budgets is that continental landscapes are made up of a heterogeneous mosaic of ecosystems. Here the authors put forward an integrative framework to improve estimates of land-atmosphere carbon exchange based on the accumulation of carbon in the landscape as constrained by its lateral export through rivers.

    • Joan P. Casas-Ruiz
    • Pascal Bodmer
    • Paul A. del Giorgio
    PerspectiveOpen Access
  • Uracil was identified in the sample returned from the asteroid Ryugu. Having been provided to the early Earth as a component in such asteroidal materials, these molecules might have played a role for prebiotic chemical evolution on the early Earth

    • Yasuhiro Oba
    • Toshiki Koga
    • Yuichi Tsuda
    ArticleOpen Access
  • Fluorescence imaging of the spinal cord poses challenges, including depth of imaging. Here the authors describe a custom microscope and chronically implanted microprism that enables multicolor translaminar imaging of sensory and motor evoked activity in behaving mice, and show that spinal astrocytes show sensorimotor program-dependent calcium excitation.

    • Pavel Shekhtmeyster
    • Erin M. Carey
    • Axel Nimmerjahn
    ArticleOpen Access
  • Cooperative transitions have acquired much attention for low transition barriers, ultrafast kinetics, and structural reversibility but cooperative transitions are rare in molecular crystals and their origin is poorly understood. Here the authors show that reorientation of the alkyl side chains in a 2-dimensional quinoidal terthiophene triggers cooperative behavior, and establish alkyl chain engineering to control the polymorphic behavior.

    • Daniel William Davies
    • Bumjoon Seo
    • Ying Diao
    ArticleOpen Access
  • Immune checkpoint inhibitors (ICI) may have unanticipated side effects in transplant recipients who subsequently develop tumors. Here the authors used single-cell sequencing to identify and characterize allogeneic reactive T cells that developed after an ICI course for melanoma in a transplant recipient.

    • Garrett S. Dunlap
    • Daniel DiToro
    • Deepak A. Rao
    ArticleOpen Access
  • Establishing sustainable approaches for human space exploration is key to achieve independency from terrestrial resources, as well as for ethical considerations. Here the authors highlight microbial biotechnologies that will support sustainable processes for space-based in situ resource utilization and loop-closure, and may be translatable to Earth applications.

    • Rosa Santomartino
    • Nils J. H. Averesch
    • Luis Zea
    PerspectiveOpen Access
  • Schwannomas are mainly caused by NF2 tumour suppressor inactivation, but they display intratumoural heterogeneity. Here the authors show that this heterogeneity is caused by the loss of polarity and acquisition of different programmes of ErbB ligand production in NF2-mutant Schwann cells.

    • Christine Chiasson-MacKenzie
    • Jeremie Vitte
    • Andrea I. McClatchey
    ArticleOpen Access
  • A more equitable global distribution of vaccines can benefit the world, while a multilateral benefit-sharing instrument needs to be developed to remove some of the disincentives for early equitable vaccines distribution globally.

    • Daoping Wang
    • Ottar N. Bjørnstad
    • Nils C. Stenseth
    ArticleOpen Access
  • TRIM72 oligomerization via intermolecular disulfide bonds is important for cells to repair damaged membranes. Here, authors report the crystal structure of TRIM72 dimer and show that TRIM72 B-box dimerization facilitates TRIM72 oligomerization.

    • Yuemin Ma
    • Lei Ding
    • Chun Zhou
    ArticleOpen Access
  • The authors present BARASA, an approach to assign backbone triple resonance spectra of proteins that augments traditional approaches with a Bayesian statistical analysis of the observed chemical shifts. The algorithm employs a simulated annealing engine to establish a consensus set of resonance assignments and is tested against systems ranging in size to over 450 amino acids including examples of intrinsically disordered proteins.

    • Anthony C. Bishop
    • Glorisé Torres-Montalvo
    • A. Joshua Wand
    ArticleOpen Access
  • Visualization of large complex networks is challenging with limitations for the network size and depicting specific structures. The authors propose a Graph Neural Network based algorithm with improved speed and the quality of graph layouts, which allows for fast and informative visualization of large networks.

    • Csaba Both
    • Nima Dehmamy
    • Albert-László Barabási
    ArticleOpen Access