Ionic selectivity and thermal adaptations within the voltage-gated sodium channel family of alkaliphilic Bacillus.

Abstract:

:Entry and extrusion of cations are essential processes in living cells. In alkaliphilic prokaryotes, high external pH activates voltage-gated sodium channels (Nav), which allows Na(+) to enter and be used as substrate for cation/proton antiporters responsible for cytoplasmic pH homeostasis. Here, we describe a new member of the prokaryotic voltage-gated Na(+) channel family (NsvBa; Non-selective voltage-gated, Bacillus alcalophilus) that is nonselective among Na(+), Ca(2+) and K(+) ions. Mutations in NsvBa can convert the nonselective filter into one that discriminates for Na(+) or divalent cations. Gain-of-function experiments demonstrate the portability of ion selectivity with filter mutations to other Bacillus Nav channels. Increasing pH and temperature shifts their activation threshold towards their native resting membrane potential. Furthermore, we find drugs that target Bacillus Nav channels also block the growth of the bacteria. This work identifies some of the adaptations to achieve ion discrimination and gating in Bacillus Nav channels.

journal_name

Elife

journal_title

eLife

authors

DeCaen PG,Takahashi Y,Krulwich TA,Ito M,Clapham DE

doi

10.7554/eLife.04387

subject

Has Abstract

pub_date

2014-11-11 00:00:00

issn

2050-084X

journal_volume

3

pub_type

杂志文章

相关文献

eLife文献大全
  • The serine protease hepsin mediates urinary secretion and polymerisation of Zona Pellucida domain protein uromodulin.

    abstract::Uromodulin is the most abundant protein in the urine. It is exclusively produced by renal epithelial cells and it plays key roles in kidney function and disease. Uromodulin mainly exerts its function as an extracellular matrix whose assembly depends on a conserved, specific proteolytic cleavage leading to conformation...

    journal_title:eLife

    pub_type: 杂志文章

    doi:10.7554/eLife.08887

    authors: Brunati M,Perucca S,Han L,Cattaneo A,Consolato F,Andolfo A,Schaeffer C,Olinger E,Peng J,Santambrogio S,Perrier R,Li S,Bokhove M,Bachi A,Hummler E,Devuyst O,Wu Q,Jovine L,Rampoldi L

    更新日期:2015-12-17 00:00:00

  • Corticostriatal dynamics encode the refinement of specific behavioral variability during skill learning.

    abstract::Learning to perform a complex motor task requires the optimization of specific behavioral features to cope with task constraints. We show that when mice learn a novel motor paradigm they differentially refine specific behavioral features. Animals trained to perform progressively faster sequences of lever presses to ob...

    journal_title:eLife

    pub_type: 杂志文章

    doi:10.7554/eLife.09423

    authors: Santos FJ,Oliveira RF,Jin X,Costa RM

    更新日期:2015-09-29 00:00:00

  • Targeting the link between late pregnancy and breast cancer.

    abstract::Why does a first pregnancy after age 35 increase the risk of breast cancer, and what can be done to combat this? ...

    journal_title:eLife

    pub_type: 评论,杂志文章

    doi:10.7554/eLife.01926

    authors: Chakravarthi BV,Varambally S

    更新日期:2013-12-31 00:00:00

  • Characterisation of the opposing effects of G6PD deficiency on cerebral malaria and severe malarial anaemia.

    abstract::Glucose-6-phosphate dehydrogenase (G6PD) deficiency is believed to confer protection against Plasmodium falciparum malaria, but the precise nature of the protective effecthas proved difficult to define as G6PD deficiency has multiple allelic variants with different effects in males and females, and it has heterogeneou...

    journal_title:eLife

    pub_type: 杂志文章,多中心研究

    doi:10.7554/eLife.15085

    authors: Clarke GM,Rockett K,Kivinen K,Hubbart C,Jeffreys AE,Rowlands K,Jallow M,Conway DJ,Bojang KA,Pinder M,Usen S,Sisay-Joof F,Sirugo G,Toure O,Thera MA,Konate S,Sissoko S,Niangaly A,Poudiougou B,Mangano VD,Bougouma EC

    更新日期:2017-01-09 00:00:00

  • Zebrafish macrophage developmental arrest underlies depletion of microglia and reveals Csf1r-independent metaphocytes.

    abstract::Macrophages derive from multiple sources of hematopoietic progenitors. Most macrophages require colony-stimulating factor 1 receptor (CSF1R), but some macrophages persist in the absence of CSF1R. Here, we analyzed mpeg1:GFP-expressing macrophages in csf1r-deficient zebrafish and report that embryonic macrophages emerg...

    journal_title:eLife

    pub_type: 杂志文章

    doi:10.7554/eLife.53403

    authors: Kuil LE,Oosterhof N,Ferrero G,Mikulášová T,Hason M,Dekker J,Rovira M,van der Linde HC,van Strien PM,de Pater E,Schaaf G,Bindels EM,Wittamer V,van Ham TJ

    更新日期:2020-05-05 00:00:00

  • Searching for epilepsy's crystal ball.

    abstract::Multi-modal MRI techniques have identified biomarkers that could help to predict whether someone will develop epilepsy. ...

    journal_title:eLife

    pub_type: 评论,杂志文章

    doi:10.7554/eLife.29853

    authors: Gröhn O,Sierra A

    更新日期:2017-07-26 00:00:00

  • Drosophila macrophages switch to aerobic glycolysis to mount effective antibacterial defense.

    abstract::Macrophage-mediated phagocytosis and cytokine production represent the front lines of resistance to bacterial invaders. A key feature of this pro-inflammatory response in mammals is the complex remodeling of cellular metabolism towards aerobic glycolysis. Although the function of bactericidal macrophages is highly con...

    journal_title:eLife

    pub_type: 杂志文章

    doi:10.7554/eLife.50414

    authors: Krejčová G,Danielová A,Nedbalová P,Kazek M,Strych L,Chawla G,Tennessen JM,Lieskovská J,Jindra M,Doležal T,Bajgar A

    更新日期:2019-10-14 00:00:00

  • Correction: The manifold structure of limb coordination in walking Drosophila.

    abstract:: ...

    journal_title:eLife

    pub_type: 已发布勘误

    doi:10.7554/eLife.65214

    authors: DeAngelis BD,Zavatone-Veth JA,Clark DA

    更新日期:2020-12-04 00:00:00

  • Phylogenomic analysis supports the ancestral presence of LPS-outer membranes in the Firmicutes.

    abstract::One of the major unanswered questions in evolutionary biology is when and how the transition between diderm (two membranes) and monoderm (one membrane) cell envelopes occurred in Bacteria. The Negativicutes and the Halanaerobiales belong to the classically monoderm Firmicutes, but possess outer membranes with lipopoly...

    journal_title:eLife

    pub_type: 杂志文章

    doi:10.7554/eLife.14589

    authors: Antunes LC,Poppleton D,Klingl A,Criscuolo A,Dupuy B,Brochier-Armanet C,Beloin C,Gribaldo S

    更新日期:2016-08-31 00:00:00

  • FlpStop, a tool for conditional gene control in Drosophila.

    abstract::Manipulating gene function cell type-specifically is a common experimental goal in Drosophila research and has been central to studies of neural development, circuit computation, and behavior. However, current cell type-specific gene disruption techniques in flies often reduce gene activity incompletely or rely on cel...

    journal_title:eLife

    pub_type: 杂志文章

    doi:10.7554/eLife.22279

    authors: Fisher YE,Yang HH,Isaacman-Beck J,Xie M,Gohl DM,Clandinin TR

    更新日期:2017-02-17 00:00:00

  • SARS-CoV-2 (COVID-19) by the numbers.

    abstract::The COVID-19 pandemic is a harsh reminder of the fact that, whether in a single human host or a wave of infection across continents, viral dynamics is often a story about the numbers. In this article we provide a one-stop, curated graphical source for the key numbers (based mostly on the peer-reviewed literature) abou...

    journal_title:eLife

    pub_type: 杂志文章

    doi:10.7554/eLife.57309

    authors: Bar-On YM,Flamholz A,Phillips R,Milo R

    更新日期:2020-04-02 00:00:00

  • Active and water-soluble form of lipidated Wnt protein is maintained by a serum glycoprotein afamin/α-albumin.

    abstract::Wnt plays important role during development and in various diseases. Because Wnts are lipidated and highly hydrophobic, they can only be purified in the presence of detergents, limiting their use in various in vitro and in vivo assays. We purified N-terminally tagged recombinant Wnt3a secreted from cells and accidenta...

    journal_title:eLife

    pub_type: 杂志文章

    doi:10.7554/eLife.11621

    authors: Mihara E,Hirai H,Yamamoto H,Tamura-Kawakami K,Matano M,Kikuchi A,Sato T,Takagi J

    更新日期:2016-02-23 00:00:00

  • Neurogenetic dissection of the Drosophila lateral horn reveals major outputs, diverse behavioural functions, and interactions with the mushroom body.

    abstract::Animals exhibit innate behaviours to a variety of sensory stimuli including olfactory cues. In Drosophila, one higher olfactory centre, the lateral horn (LH), is implicated in innate behaviour. However, our structural and functional understanding of the LH is scant, in large part due to a lack of sparse neurogenetic t...

    journal_title:eLife

    pub_type: 杂志文章

    doi:10.7554/eLife.43079

    authors: Dolan MJ,Frechter S,Bates AS,Dan C,Huoviala P,Roberts RJ,Schlegel P,Dhawan S,Tabano R,Dionne H,Christoforou C,Close K,Sutcliffe B,Giuliani B,Li F,Costa M,Ihrke G,Meissner GW,Bock DD,Aso Y,Rubin GM,Jefferis GS

    更新日期:2019-05-21 00:00:00

  • Embryonic transcription factor expression in mice predicts medial amygdala neuronal identity and sex-specific responses to innate behavioral cues.

    abstract::The medial subnucleus of the amygdala (MeA) plays a central role in processing sensory cues required for innate behaviors. However, whether there is a link between developmental programs and the emergence of inborn behaviors remains unknown. Our previous studies revealed that the telencephalic preoptic area (POA) embr...

    journal_title:eLife

    pub_type: 杂志文章

    doi:10.7554/eLife.21012

    authors: Lischinsky JE,Sokolowski K,Li P,Esumi S,Kamal Y,Goodrich M,Oboti L,Hammond TR,Krishnamoorthy M,Feldman D,Huntsman M,Liu J,Corbin JG

    更新日期:2017-03-13 00:00:00

  • Illuminating traffic control for cell-division planes.

    abstract::When a plant cell divides, four related proteins control the trafficking of vesicles and ensure that cargo that is normally recycled to the plasma membrane is instead re-routed to the plane of cell division. ...

    journal_title:eLife

    pub_type: 评论,杂志文章

    doi:10.7554/eLife.02747

    authors: Robatzek S

    更新日期:2014-04-08 00:00:00

  • The Sec14-like phosphatidylinositol transfer proteins Sec14l3/SEC14L2 act as GTPase proteins to mediate Wnt/Ca2+ signaling.

    abstract::The non-canonical Wnt/Ca2+ signaling pathway plays important roles in embryonic development, tissue formation and diseases. However, it is unclear how the Wnt ligand-stimulated, G protein-coupled receptor Frizzled activates phospholipases for calcium release. Here, we report that the zebrafish/human phosphatidylinosit...

    journal_title:eLife

    pub_type: 杂志文章

    doi:10.7554/eLife.26362

    authors: Gong B,Shen W,Xiao W,Meng Y,Meng A,Jia S

    更新日期:2017-05-02 00:00:00

  • Increasing β-catenin/Wnt3A activity levels drive mechanical strain-induced cell cycle progression through mitosis.

    abstract::Mechanical force and Wnt signaling activate β-catenin-mediated transcription to promote proliferation and tissue expansion. However, it is unknown whether mechanical force and Wnt signaling act independently or synergize to activate β-catenin signaling and cell division. We show that mechanical strain induced Src-depe...

    journal_title:eLife

    pub_type: 杂志文章

    doi:10.7554/eLife.19799

    authors: Benham-Pyle BW,Sim JY,Hart KC,Pruitt BL,Nelson WJ

    更新日期:2016-10-26 00:00:00

  • Long-term potentiation is independent of the C-tail of the GluA1 AMPA receptor subunit.

    abstract::We tested the proposal that the C-terminal domain (CTD) of the AMPAR subunit GluA1 is required for LTP. We found that a knock-in mouse lacking the CTD of GluA1 expresses normal LTP and spatial memory, assayed by the Morris water maze. Our results support a model in which LTP generates synaptic slots, which capture pas...

    journal_title:eLife

    pub_type: 杂志文章

    doi:10.7554/eLife.58042

    authors: Díaz-Alonso J,Morishita W,Incontro S,Simms J,Holtzman J,Gill M,Mucke L,Malenka RC,Nicoll RA

    更新日期:2020-08-24 00:00:00

  • Planar cell polarity-mediated induction of neural stem cell expansion during axolotl spinal cord regeneration.

    abstract::Axolotls are uniquely able to mobilize neural stem cells to regenerate all missing regions of the spinal cord. How a neural stem cell under homeostasis converts after injury to a highly regenerative cell remains unknown. Here, we show that during regeneration, axolotl neural stem cells repress neurogenic genes and rea...

    journal_title:eLife

    pub_type: 杂志文章

    doi:10.7554/eLife.10230

    authors: Rodrigo Albors A,Tazaki A,Rost F,Nowoshilow S,Chara O,Tanaka EM

    更新日期:2015-11-14 00:00:00

  • Subcellular sequencing of single neurons reveals the dendritic transcriptome of GABAergic interneurons.

    abstract::Although mRNAs are localized in the processes of excitatory neurons, it is still unclear whether interneurons also localize a large population of mRNAs. In addition, the variability in the localized mRNA population within and between cell types is unknown. Here we describe the unbiased transcriptomic characterization ...

    journal_title:eLife

    pub_type: 杂志文章

    doi:10.7554/eLife.63092

    authors: Perez JD,Dieck ST,Alvarez-Castelao B,Tushev G,Chan IC,Schuman EM

    更新日期:2021-01-06 00:00:00

  • Learning lessons from a toddler.

    abstract::Struggling to get her research project up and running in a new country, a mother gets inspiration from her young daughter. ...

    journal_title:eLife

    pub_type: 杂志文章

    doi:10.7554/eLife.59587

    authors: Sadanandappa MK

    更新日期:2020-06-10 00:00:00

  • Circulating myeloid cells invade the central nervous system to mediate cachexia during pancreatic cancer.

    abstract::Weight loss and anorexia are common symptoms in cancer patients that occur prior to initiation of cancer therapy. Inflammation in the brain is a driver of these symptoms, yet cellular sources of neuroinflammation during malignancy are unknown. In a mouse model of pancreatic ductal adenocarcinoma (PDAC), we observed ea...

    journal_title:eLife

    pub_type: 杂志文章

    doi:10.7554/eLife.54095

    authors: Burfeind KG,Zhu X,Norgard MA,Levasseur PR,Huisman C,Buenafe AC,Olson B,Michaelis KA,Torres ER,Jeng S,McWeeney S,Raber J,Marks DL

    更新日期:2020-05-11 00:00:00

  • Signalling through AMPA receptors on oligodendrocyte precursors promotes myelination by enhancing oligodendrocyte survival.

    abstract::Myelin, made by oligodendrocytes, is essential for rapid information transfer in the central nervous system. Oligodendrocyte precursors (OPs) receive glutamatergic synaptic input from axons but how this affects their development is unclear. Murine OPs in white matter express AMPA receptor (AMPAR) subunits GluA2, GluA3...

    journal_title:eLife

    pub_type: 杂志文章

    doi:10.7554/eLife.28080

    authors: Kougioumtzidou E,Shimizu T,Hamilton NB,Tohyama K,Sprengel R,Monyer H,Attwell D,Richardson WD

    更新日期:2017-06-13 00:00:00

  • Structural diversity of oligomeric β-propellers with different numbers of identical blades.

    abstract::β-Propellers arise through the amplification of a supersecondary structure element called a blade. This process produces toroids of between four and twelve repeats, which are almost always arranged sequentially in a single polypeptide chain. We found that new propellers evolve continuously by amplification from single...

    journal_title:eLife

    pub_type: 杂志文章

    doi:10.7554/eLife.49853

    authors: Afanasieva E,Chaudhuri I,Martin J,Hertle E,Ursinus A,Alva V,Hartmann MD,Lupas AN

    更新日期:2019-10-15 00:00:00

  • Cannabidiol interactions with voltage-gated sodium channels.

    abstract::Voltage-gated sodium channels are targets for a range of pharmaceutical drugs developed for the treatment of neurological diseases. Cannabidiol (CBD), the non-psychoactive compound isolated from cannabis plants, was recently approved for treatment of two types of epilepsy associated with sodium channel mutations. This...

    journal_title:eLife

    pub_type: 杂志文章

    doi:10.7554/eLife.58593

    authors: Sait LG,Sula A,Ghovanloo MR,Hollingworth D,Ruben PC,Wallace BA

    更新日期:2020-10-22 00:00:00

  • The ribosomal protein Asc1/RACK1 is required for efficient translation of short mRNAs.

    abstract::Translation is a core cellular process carried out by a highly conserved macromolecular machine, the ribosome. There has been remarkable evolutionary adaptation of this machine through the addition of eukaryote-specific ribosomal proteins whose individual effects on ribosome function are largely unknown. Here we show ...

    journal_title:eLife

    pub_type: 杂志文章

    doi:10.7554/eLife.11154

    authors: Thompson MK,Rojas-Duran MF,Gangaramani P,Gilbert WV

    更新日期:2016-04-27 00:00:00

  • Dopamine neuron ensembles signal the content of sensory prediction errors.

    abstract::Dopamine neurons respond to errors in predicting value-neutral sensory information. These data, combined with causal evidence that dopamine transients support sensory-based associative learning, suggest that the dopamine system signals a multidimensional prediction error. Yet such complexity is not evident in the acti...

    journal_title:eLife

    pub_type: 杂志文章

    doi:10.7554/eLife.49315

    authors: Stalnaker TA,Howard JD,Takahashi YK,Gershman SJ,Kahnt T,Schoenbaum G

    更新日期:2019-11-01 00:00:00

  • Chemical structure-guided design of dynapyrazoles, cell-permeable dynein inhibitors with a unique mode of action.

    abstract::Cytoplasmic dyneins are motor proteins in the AAA+ superfamily that transport cellular cargos toward microtubule minus-ends. Recently, ciliobrevins were reported as selective cell-permeable inhibitors of cytoplasmic dyneins. As is often true for first-in-class inhibitors, the use of ciliobrevins has in part been limit...

    journal_title:eLife

    pub_type: 杂志文章

    doi:10.7554/eLife.25174

    authors: Steinman JB,Santarossa CC,Miller RM,Yu LS,Serpinskaya AS,Furukawa H,Morimoto S,Tanaka Y,Nishitani M,Asano M,Zalyte R,Ondrus AE,Johnson AG,Ye F,Nachury MV,Fukase Y,Aso K,Foley MA,Gelfand VI,Chen JK,Carter AP,Kapo

    更新日期:2017-05-19 00:00:00

  • Something for everyone.

    abstract::Journals and other scientific organizations produce a diverse variety of plain-language summaries. ...

    journal_title:eLife

    pub_type: 杂志文章

    doi:10.7554/eLife.25411

    authors: Shailes S

    更新日期:2017-03-15 00:00:00

  • Decoding WW domain tandem-mediated target recognitions in tissue growth and cell polarity.

    abstract::WW domain tandem-containing proteins such as KIBRA, YAP, and MAGI play critical roles in cell growth and polarity via binding to and positioning target proteins in specific subcellular regions. An immense disparity exists between promiscuity of WW domain-mediated target bindings and specific roles of WW domain protein...

    journal_title:eLife

    pub_type: 杂志文章

    doi:10.7554/eLife.49439

    authors: Lin Z,Yang Z,Xie R,Ji Z,Guan K,Zhang M

    更新日期:2019-09-05 00:00:00