Showing page 157 of 397 pages of list content

  1. Divergent downstream biosynthetic pathways are supported by L-cysteine synthases of Mycobacterium tuberculosis

    This article has 10 authors:
    1. Mehak Zahoor Khan
    2. Debbie M Hunt
    3. Biplab Singha
    4. Yogita Kapoor
    5. Nitesh Kumar Singh
    6. D V Sai Prasad
    7. Sriram Dharmarajan
    8. Divya Tej Sowpati
    9. Luiz Pedro S de Carvalho
    10. Vinay Kumar Nandicoori
    This article has been curated by 1 group:
    • Curated by eLife

      eLife assessment

      Sulphur atoms derived from cysteine are thought to play significant roles in maintaining redox homeostasis in Mycobacterium tuberculosis, which encounters stresses associated with immune cell interactions. In this valuable manuscript, the authors provide solid evidence that the genes encoding cysteine biosynthetic enzymes (cysM and cysK2) are required to maintain full viability of M. tuberculosis under in vitro stress conditions, macrophage infections, and within the lung tissues of mice. The manuscript presents transcriptomic and metabolomic evidence to support the hypothesis that CysM and CysK2 play distinct roles in maintaining cysteine-derived metabolite pools under stress conditions. The work will be of interest to microbiologists in general.

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    This article has 7 evaluationsAppears in 1 listLatest version Latest activity
  2. Peptidoglycan-tethered and free forms of the Braun lipoprotein are in dynamic equilibrium in Escherichia coli

    This article has 4 authors:
    1. Yucheng Liang
    2. Jean-Emmanuel Hugonnet
    3. Filippo Rusconi
    4. Michel Arthur
    This article has been curated by 1 group:
    • Curated by eLife

      eLife assessment

      This useful study describes a single set of label-chase mass spectrometry experiments to confirm the molecular function of YafK as a peptidoglycan hydrolase, and to describe the timing of its attachment to the peptidoglycan. Confirmation of the molecular function of YafK is helpful for further studies to examine the function and regulation of the outer membrane-peptidoglycan link in bacteria. The evidence supporting the molecular function of YafK and that lpp molecules are shuffled on and off the peptidoglycan is solid, however, some of the other data still remain incomplete in the revised version. The work will be of interest to researchers studying lipoproteins in gram negative bacteria.

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    This article has 11 evaluationsAppears in 1 listLatest version Latest activity
  3. Bacteria are a major determinant of Orsay virus transmission and infection in Caenorhabditis elegans

    This article has 4 authors:
    1. Brian G Vassallo
    2. Noemie Scheidel
    3. Sylvia E J Fischer
    4. Dennis H Kim
    This article has been curated by 1 group:
    • Curated by eLife

      eLife assessment

      Using a C. elegans/virus system, this important work demonstrates that viral susceptibility can be greatly altered by the bacterial food that C. elegans consumes. The work is rigorous with solid support for the conclusions: the authors show that quorum-sensing compounds play a role in reducing host susceptibility, and they perform control experiments to rule out nutrition and pathogenicity of the bacteria as the cause of impacts on viral susceptibility.

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    This article has 7 evaluationsAppears in 1 listLatest version Latest activity
  4. Sequentially activated discrete modules appear as traveling waves in neuronal measurements with limited spatiotemporal sampling

    This article has 6 authors:
    1. Yuval Orsher
    2. Ariel Rom
    3. Rotem Perel
    4. Yoav Lahini
    5. Pablo Blinder
    6. Mark Shein-Idelson
    This article has been curated by 1 group:
    • Curated by eLife

      eLife assessment

      In this important work, authors show that brain activity thought to be a travelling wave may just be a series of sequentially activated sources at the neuron spiking level. They support this with convincing results from a turtle cortex preparation and relevant simulations. This work will be of interest to neuroscientists interested in understanding how cortical computations are made.

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    This article has 5 evaluationsAppears in 1 listLatest version Latest activity
  5. Scaling between cell cycle duration and wing growth is regulated by Fat-Dachsous signaling in Drosophila

    This article has 4 authors:
    1. Andrew Liu
    2. Jessica O’Connell
    3. Farley Wall
    4. Richard W Carthew
    This article has been curated by 1 group:
    • Curated by eLife

      eLife assessment

      This important research article provides a novel approach to measure imaginal disc growth and uses this approach to explore the roles of Fat and Dachsous, two conserved protocadherins, in late larval development. The authors have addressed all referee concerns and the evidence supporting the authors' findings overall are compelling.

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    This article has 7 evaluationsAppears in 1 listLatest version Latest activity
  6. The exchange dynamics of biomolecular condensates

    This article has 7 authors:
    1. Yaojun Zhang
    2. Andrew GT Pyo
    3. Ross Kliegman
    4. Yoyo Jiang
    5. Clifford P Brangwynne
    6. Howard A Stone
    7. Ned S Wingreen
    This article has been curated by 1 group:
    • Curated by eLife

      eLife assessment

      This valuable contribution studies factors that impact molecular exchange between dense and dilute phases of biomolecular condensates through continuum models and coarse-grained simulations. The authors provide convincing evidence that interfacial resistance can cause molecules to bounce off the interface and limit mixing. Results like these can inform how experimental results in the field of biological condensates are interpreted.

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    This article has 6 evaluationsAppears in 1 listLatest version Latest activity
  7. The inter-continental population dynamics of Neisseria gonorrhoeae

    This article has 17 authors:
    1. Magnus N Osnes
    2. Ola B Brynildsrud
    3. Kristian Alfsnes
    4. Lucy van Dorp
    5. Samantha A McKeand
    6. Jonathan Ross
    7. Katy Town
    8. Jolinda de Korne-Elenbaas
    9. Alje van Dam
    10. Sylvia Bruisten
    11. Birgitte F de Blasio
    12. Dominique A Caugant
    13. Yonatan H. Grad
    14. Deborah A Williamson
    15. Francois Balloux
    16. Xavier Didelot
    17. Vegard Eldholm
    This article has been curated by 1 group:
    • Curated by eLife

      eLife assessment

      This important work provides a detailed analysis of the population dynamics of an important human bacterial pathogen, Neisseria gonorrhoeae, using a large global collection of genomes with geographic, temporal, and demographic metadata. A unique facet of this work is the focus on both importation and exportation of N. gonorrhoeae; whilst quantifying importation is important to national public health efforts, quantifying exportation is relevant on an international level. However, the evidence supporting the conclusions is incomplete, due to potential inaccuracies in the method used for phylogenetic analysis, which forms the basis of this work. With the phylogenetic analysis strengthened, this paper would be of interest to epidemiologists and public health officials working on N. gonorrhoeae epidemiology and interventions.

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    This article has 4 evaluationsAppears in 1 listLatest version Latest activity
  8. Single-cell ‘omic profiles of human aortic endothelial cells in vitro and human atherosclerotic lesions ex vivo reveal heterogeneity of endothelial subtype and response to activating perturbations

    This article has 9 authors:
    1. Maria L Adelus
    2. Jiacheng Ding
    3. Binh T Tran
    4. Austin C Conklin
    5. Anna K Golebiewski
    6. Lindsey K Stolze
    7. Michael B Whalen
    8. Darren A Cusanovich
    9. Casey E Romanoski
    This article has been curated by 1 group:
    • Curated by eLife

      eLife assessment

      This is a fundamental resource of snRNA-seq and and chromatin accessibility data from human aortic endothelial cells (ECs), treated with relevant perturbations such as IL1b, TGFB2, or si-EGR. The authors show that ECs can be categorized by distinct subpopulations of differing plasticity. The support for the existence of these subpopulations is compelling, supported also by three publicly available scRNA-seq datasets, and differential enrichment of coronary artery disease associated SNPs in open chromatin in these subpopulations.

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    This article has 6 evaluationsAppears in 1 listLatest version Latest activity
  9. The role of GABA in semantic memory and its neuroplasticity

    This article has 3 authors:
    1. JeYoung Jung
    2. Steve Williams
    3. Matthew A Lambon Ralph
    This article has been curated by 1 group:
    • Curated by eLife

      eLife Assessment

      Jung et al. present valuable work on the relationship between gamma-aminobutyric acid (GABA) levels within the anterior temporal lobes (ATL) to semantic memory while accounting for inter-individual differences. They provide solid evidence suggesting that inhibitory continuous theta burst transcranial magnetic stimulation (cTBS TMS) increased GABA concentration and decreased the blood-oxygen dependent signal (BOLD) during a semantic task. The results will be of interest to researchers studying the neurobiology of semantic cognition.

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    This article has 13 evaluationsAppears in 1 listLatest version Latest activity
  10. Infralimbic parvalbumin neural activity facilitates cued threat avoidance

    This article has 5 authors:
    1. Yi-Yun Ho
    2. Qiuwei Yang
    3. Priyanka Boddu
    4. David A Bulkin
    5. Melissa R Warden
    This article has been curated by 1 group:
    • Curated by eLife

      eLife assessment

      This important study extends our understanding of how the medial prefrontal cortex regulates flexible action during adversity. The data provide compelling evidence of a role for prefrontal PV neuron activity in active avoidance. This builds on the general idea that these neurons play a role in flexible behavior and demonstrates this in the context of freezing/avoidance conflict. The overall findings contribute to our understanding of mechanisms that support aversively motivated instrumental learning and may provide insight into both stress vulnerability and resilience processes. This work will be of interest to those interested in learning, aversive motivation, interneuron and/or prefrontal cortex function, or conditions relates to these processes and mechanisms.

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    This article has 6 evaluationsAppears in 1 listLatest version Latest activity
  11. Emergence of catalytic function in prebiotic information-coding polymers

    This article has 2 authors:
    1. Alexei V Tkachenko
    2. Sergei Maslov
    This article has been curated by 1 group:
    • Curated by eLife

      eLife assessment

      This valuable study uses a model to determine when catalytic self-replication of polymers can emerge from a random pool of replicating polymers. The model accounts for the folding and function of polymers in addition to abstract evolutionary dynamics, providing solid evidence for the claims of the authors. The work will be of relevance to those interested in the origin of life, artificial cells, and evolutionary dynamics.

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    This article has 8 evaluationsAppears in 1 listLatest version Latest activity
  12. Jointly looking to the past and the future in visual working memory

    This article has 3 authors:
    1. Baiwei Liu
    2. Zampeta-Sofia Alexopoulou
    3. Freek van Ede
    This article has been curated by 1 group:
    • Curated by eLife

      eLife assessment

      This important study advances our understanding of how past and future information is jointly considered in visual working memory by studying gaze biases in a memory task that dissociates the locations during encoding and memory tests. The evidence supporting the conclusions is convincing, with state-of-the-art gaze analyses that build on a recent series of experiments introduced by the authors. This work will be of broad interest to vision scientists interested in the interplay of vision, eye movements, and memory.

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    This article has 8 evaluationsAppears in 1 listLatest version Latest activity
  13. Early parafoveal semantic integration in natural reading

    This article has 4 authors:
    1. Yali Pan
    2. Steven Frisson
    3. Kara D Federmeier
    4. Ole Jensen
    This article has been curated by 1 group:
    • Curated by eLife

      eLife assessment

      This important study contributes to the understanding of how parafoveal words are neurally processed during naturalistic sentence reading. Convincing evidence is provided that the MEG response to a word can be modulated by the semantic congruency of a parafoveal target word. The study addresses a classic question in reading using a new Rapid Invisible Frequency Tagging (RIFT) technique, which can separately monitor the neural processing of multiple words during sentence reading.

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    This article has 10 evaluationsAppears in 1 listLatest version Latest activity
  14. Boosting of neural circuit chaos at the onset of collective oscillations

    This article has 3 authors:
    1. Agostina Palmigiano
    2. Rainer Engelken
    3. Fred Wolf
    This article has been curated by 1 group:
    • Curated by eLife

      eLife assessment

      This work provides a valuable characterization of the chaotic dynamics of high-dimensional spiking networks in the presence of internally generated oscillations due to synaptic delays or externally generated oscillations due to external input. The authors provide convincing analytical and numerical calculations to support their claims, however, the paper suffers from heavy mathematical jargon that reduces its impact. The paper could be revised to provide interpretations of the results so that it can be accessible to a broader neuroscience audience. In its current form, findings will be of interest mostly to researchers working at the interface between theoretical neuroscience, applied mathematics, and physics.

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    This article has 4 evaluationsAppears in 1 listLatest version Latest activity
  15. Asymmetric cortical projections to striatal direct and indirect pathways distinctly control actions

    This article has 7 authors:
    1. Jason R Klug
    2. Xunyi Yan
    3. Hilary Hoffman
    4. Max D Engelhardt
    5. Fumitaka Osakada
    6. Edward M Callaway
    7. Xin Jin
    This article has been curated by 1 group:
    • Curated by eLife

      eLife Assessment

      This manuscript presents an important finding that D1- and D2-striatal neurons receive distinct cortical inputs, offering key insights into corticostriatal function. For instance, in the context of striatal-dependent learning, this distinction is highly informative for interpreting synaptic physiology data, particularly when inputs to one neuron subtype may change independently of the other. The strength of the evidence is solid, with anatomical and electrophysiological findings aligning well with results from optogenetic and behavioral studies. The study would be of interest to neuroscientists studying basal ganglia circuits in health and disease.

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    This article has 12 evaluationsAppears in 1 listLatest version Latest activity
  16. Circadian photoreceptor CRYPTOCHROME promotes wakefulness under short winter-like days via a GABAergic circuitry

    This article has 4 authors:
    1. Lixia Chen
    2. Danya Tian
    3. Chang Su
    4. Luoying Zhang
    This article has been curated by 1 group:
    • Curated by eLife

      eLife assessment

      Winter months with short days are commonly associated with seasonal depression and hypersomnolence; the mechanisms behind this hypersomnolence however remain unclear. Chen and colleagues identify a genetic basis for this phenomenon in the fly Drosophila - mutations in the circadian photoreceptor cryptochrome resulted in increased sleep under short photoperiods. These findings are potentially valuable insights into the genetic mechanisms regulating sleep under short days. The data supporting the neurobiological basis of these effects is however incomplete.

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    This article has 4 evaluationsAppears in 1 listLatest version Latest activity
  17. The function of juvenile–adult transition axis in female sexual receptivity of Drosophila melanogaster

    This article has 9 authors:
    1. Jing Li
    2. Chao Ning
    3. Yaohua Liu
    4. Bowen Deng
    5. Bingcai Wang
    6. Kai Shi
    7. Rencong Wang
    8. Ruixin Fang
    9. Chuan Zhou
    This article has been curated by 1 group:
    • Curated by eLife

      eLife assessment

      The aim of this valuable study is to uncover developmental roles of the neuropeptide prothoracicotropic hormone (PTTH) and ecdysone, which later regulate female receptivity of Drosophila melanogaster. The work combines spatially and temporally restricted genetic manipulation with behavior quantification to explore these molecular pathways and the neuronal substrates participating in the control of female sexual receptivity. At present, the implication of both signaling pathways in this process is convincing but the strength of the evidence is incomplete to support the main claim that PTTH pathway controls female sexual receptivity through the function of ecdysone in pC1 neurons.

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    This article has 9 evaluationsAppears in 1 listLatest version Latest activity