Endosome-specific localization and function of the ARF activator GNOM.

abstract：:Designing successful microbiota-based therapies requires in-depth understanding of the ecological foundations of this community. In this issue, two studies by Whitaker et al. and Lim et al. provide refined genetic tools for dissecting the spatial organization and temporal dynamics of bacterial communities at the singl...

journal_title：Cell

authors： Joglekar P,Segre JA

更新日期：2017-04-20 00:00:00

abstract：:The Rho family of GTPases control diverse biological processes, including cell morphology and mitogenesis. We have identified WASP, the protein that is defective in Wiskott-Aldrich syndrome (WAS), as a novel effector for CDC42Hs, but not for the other Rho family members, Rac and Rho. This interaction is dependent on t...

journal_title：Cell

authors： Symons M,Derry JM,Karlak B,Jiang S,Lemahieu V,Mccormick F,Francke U,Abo A

更新日期：1996-03-08 00:00:00

abstract：:Transfer RNAs (tRNAs) are primarily viewed as static contributors to gene expression. By developing a high-throughput tRNA profiling method, we find that specific tRNAs are upregulated in human breast cancer cells as they gain metastatic activity. Through loss-of-function, gain-of-function, and clinical-association st...

journal_title：Cell

authors： Goodarzi H,Nguyen HCB,Zhang S,Dill BD,Molina H,Tavazoie SF

更新日期：2016-06-02 00:00:00

abstract：:Here, we show that the beta-chemokine receptor CKR-5 serves as a cofactor for M-tropic HIV viruses. Expression of CKR-5 with CD4 enables nonpermissive cells to form syncytia with cells expressing M-tropic, but not T-tropic, HIV-1 env proteins. Expression of CKR-5 and CD4 enables entry of a M-tropic, but not a T-tropic...

journal_title：Cell

authors： Doranz BJ,Rucker J,Yi Y,Smyth RJ,Samson M,Peiper SC,Parmentier M,Collman RG,Doms RW

更新日期：1996-06-28 00:00:00

abstract：:The organization of mouse immunoglobulin heavy chain genes has been investigated by hybridization with cloned mu and alpha cDNA probes. Restriction endonuclease fragments bearing mu and alpha constant region genes and two types of variable region (VH) genes were compared in BALB/c embryos, liver and nine plasmacytomas...

journal_title：Cell

authors： Cory S,Adams JM

更新日期：1980-01-01 00:00:00

abstract：:Using a defined RNA polymerase II (pol II) transcription system, we have investigated the roles of basal factors at discrete stages during the transcription cycle (e.g., initiation, promoter clearance, and transcript elongation). Abortive initiation assays revealed that TATA-binding protein, transcription factors TFII...

journal_title：Cell

authors： Goodrich JA,Tjian R

更新日期：1994-04-08 00:00:00

abstract：:When transcription regulatory networks are compared among distantly related eukaryotes, a number of striking similarities are observed: a larger-than-expected number of genes, extensive overlapping connections, and an apparently high degree of functional redundancy. It is often assumed that the complexity of these net...

journal_title：Cell

authors： Sorrells TR,Johnson AD

更新日期：2015-05-07 00:00:00

abstract：:The messenger RNA coding for the precursor of the small subunit of ribulose--1,5--bisphosphate (Ru-P2) carboxylase has been partially purified from pea leaves. The mRNA has a size of 11.5S, is approximately 800 nucleotides long and, on cell-free translation, directs the synthesis of a single major polypeptide of 20,00...

journal_title：Cell

authors： Cashmore AR

更新日期：1979-06-01 00:00:00

abstract：:RGS proteins are GTPase activators for heterotrimeric G proteins. We report here the 2.8 A resolution crystal structure of the RGS protein RGS4 complexed with G(i alpha1)-Mg2+-GDP-AlF4 . Only the core domain of RGS4 is visible in the crystal. The core domain binds to the three switch regions of G(i alpha1), but does n...

journal_title：Cell

authors： Tesmer JJ,Berman DM,Gilman AG,Sprang SR

更新日期：1997-04-18 00:00:00

abstract：:We investigated soybean lectin gene structure and expression in a genetic line that accumulates normal levels of seed lectin (Le+ line) and in a mutant line that produces no detectable seed lectin (Le- line). We found that the nuclear and cytoplasmic lectin RNA levels in Le- embryos are approximately 0.01% of those in...

journal_title：Cell

authors： Goldberg RB,Hoschek G,Vodkin LO

更新日期：1983-06-01 00:00:00

abstract：:Angiogenesis is an important event for embryonic organogenesis as well as for tissue repair in the adult. Here, we show that hematopoietic stem cells (HSCs) play important roles for angiogenesis during embryogenesis. To investigate the role of HSCs in endothelial cell (EC) development, we analyzed AML1-deficient embry...

journal_title：Cell

authors： Takakura N,Watanabe T,Suenobu S,Yamada Y,Noda T,Ito Y,Satake M,Suda T

更新日期：2000-07-21 00:00:00

abstract：:Nucleosomes help structure chromosomes by compacting DNA into fibers. To gain insight into how nucleosomes are arranged in vivo, we combined quantitative super-resolution nanoscopy with computer simulations to visualize and count nucleosomes along the chromatin fiber in single nuclei. Nucleosomes assembled in heteroge...

journal_title：Cell

authors： Ricci MA,Manzo C,García-Parajo MF,Lakadamyali M,Cosma MP

更新日期：2015-03-12 00:00:00

abstract：:A growing body of evidence indicates that plant transcription factors move between cells. A recent paper by Nakajima et al. (2001) shows that movement of the SHORTROOT protein provides a mechanism for signaling positional information between cell layers of the root. ...

journal_title：Cell

authors： Barton MK

更新日期：2001-10-19 00:00:00

abstract：:The rate of in vivo transcription from the E. coli tRNA and rRNA promoters depends on both cellular growth rate and aminoacid availability. To investigate the molecular mechanisms involved we determined the extent of interaction of RNA polymerase with the promoter of the tyrT stable RNA gene. We show that the enzyme c...

journal_title：Cell

authors： Travers AA,Lamond AI,Mace HA,Berman ML

更新日期：1983-11-01 00:00:00

abstract：:A key aspect of genomic medicine is to make individualized clinical decisions from personal genomes. We developed a machine-learning framework to integrate personal genomes and electronic health record (EHR) data and used this framework to study abdominal aortic aneurysm (AAA), a prevalent irreversible cardiovascular ...

journal_title：Cell

authors： Li J,Pan C,Zhang S,Spin JM,Deng A,Leung LLK,Dalman RL,Tsao PS,Snyder M

更新日期：2018-09-06 00:00:00

abstract：:The Ras GTPase links extracellular mitogens to intracellular mechanisms that control cell proliferation. To understand how Ras regulates proliferation in vivo, we activated or inactivated Ras in cell clones in the developing Drosophila wing. Cells lacking Ras were smaller, had reduced growth rates, accumulated in G1, ...

journal_title：Cell

authors： Prober DA,Edgar BA

更新日期：2000-02-18 00:00:00

abstract：:The lack of in vitro prostate cancer models that recapitulate the diversity of human prostate cancer has hampered progress in understanding disease pathogenesis and therapy response. Using a 3D organoid system, we report success in long-term culture of prostate cancer from biopsy specimens and circulating tumor cells....

journal_title：Cell

authors： Gao D,Vela I,Sboner A,Iaquinta PJ,Karthaus WR,Gopalan A,Dowling C,Wanjala JN,Undvall EA,Arora VK,Wongvipat J,Kossai M,Ramazanoglu S,Barboza LP,Di W,Cao Z,Zhang QF,Sirota I,Ran L,MacDonald TY,Beltran H,Mosquera J

更新日期：2014-09-25 00:00:00

abstract：:We have reproduced the posttranslational mode of protein translocation across the endoplasmic reticulum membrane with reconstituted proteoliposomes containing a purified complex of seven yeast proteins. This Sec complex includes a heterotrimeric Sec61p complex, homologous to that in mammals, as well as all other membr...

journal_title：Cell

authors： Panzner S,Dreier L,Hartmann E,Kostka S,Rapoport TA

更新日期：1995-05-19 00:00:00

abstract：:The tumor suppressor PTEN, a critical regulator for multiple cellular processes, is mutated or deleted frequently in various human cancers. Subtle reductions in PTEN expression levels have profound impacts on carcinogenesis. Here we show that PTEN level is regulated by ubiquitin-mediated proteasomal degradation, and p...

journal_title：Cell

authors： Wang X,Trotman LC,Koppie T,Alimonti A,Chen Z,Gao Z,Wang J,Erdjument-Bromage H,Tempst P,Cordon-Cardo C,Pandolfi PP,Jiang X

更新日期：2007-01-12 00:00:00

abstract：:Two independent approaches to understanding the molecular mechanism of cytokinesis have converged on the gene spaghetti-squash (sqh). A genetic screen for mitotic mutants identified sqh1, a mutation that disrupts cytokinesis, which was then cloned by transposon tagging. Independently, the gene that encodes the regulat...

journal_title：Cell

authors： Karess RE,Chang XJ,Edwards KA,Kulkarni S,Aguilera I,Kiehart DP

更新日期：1991-06-28 00:00:00

abstract：:Signaling proteins from the same family can have markedly different roles in a given cellular context. Here, we show that expression of one hundred constitutively active human small GTPases induced cell morphologies that fell into nine distinct classes. We developed an algorithm for pairs of classes that predicted ami...

journal_title：Cell

authors： Heo WD,Meyer T

更新日期：2003-05-02 00:00:00

abstract：:Dietary restriction (DR) extends lifespan in multiple species. To examine the mechanisms of lifespan extension upon DR, we assayed genome-wide translational changes in Drosophila. A number of nuclear encoded mitochondrial genes, including those in Complex I and IV of the electron transport chain, showed increased ribo...

journal_title：Cell

authors： Zid BM,Rogers AN,Katewa SD,Vargas MA,Kolipinski MC,Lu TA,Benzer S,Kapahi P

更新日期：2009-10-02 00:00:00

abstract：:Clec16a has been identified as a disease susceptibility gene for type 1 diabetes, multiple sclerosis, and adrenal dysfunction, but its function is unknown. Here we report that Clec16a is a membrane-associated endosomal protein that interacts with E3 ubiquitin ligase Nrdp1. Loss of Clec16a leads to an increase in the N...

journal_title：Cell

authors： Soleimanpour SA,Gupta A,Bakay M,Ferrari AM,Groff DN,Fadista J,Spruce LA,Kushner JA,Groop L,Seeholzer SH,Kaufman BA,Hakonarson H,Stoffers DA

更新日期：2014-06-19 00:00:00

abstract：:c-Abl is a tyrosine kinase localized primarily in the nucleus. Previous assays for abl function rely on cellular transformation by abl mutants, which are cytoplasmic. Using a conditional overexpression strategy, we have developed a functional assay for c-abl. Overexpression of c-abl inhibits growth by causing cell cyc...

journal_title：Cell

authors： Sawyers CL,McLaughlin J,Goga A,Havlik M,Witte O

更新日期：1994-04-08 00:00:00

abstract：:Polyadenylation of mRNA precursors by poly(A) polymerase depends on a specificity factor, CPF, recognizing the polyadenylation signal AAUAAA. This paper describes an apparently novel poly(A)-binding protein that acts as a second specificity factor, mediating the recognition of the growing poly(A) tail. A transition fr...

journal_title：Cell

authors： Wahle E

更新日期：1991-08-23 00:00:00

abstract：:Despite tremendous progress made toward the identification of the molecular circuitry that governs cell fate in embryonic stem cells, genes controlling this process in the adult hematopoietic stem cell have proven to be more difficult to unmask. We now report the results of a novel gain-of-function screening approach,...

journal_title：Cell

authors： Deneault E,Cellot S,Faubert A,Laverdure JP,Fréchette M,Chagraoui J,Mayotte N,Sauvageau M,Ting SB,Sauvageau G

更新日期：2009-04-17 00:00:00

abstract：:Most inducible transcriptional programs consist of primary and secondary response genes (PRGs and SRGs) that differ in their kinetics of expression and in their requirements for new protein synthesis and chromatin remodeling. Here we show that many PRGs, in contrast to SRGs, have preassembled RNA polymerase II (Pol II...

journal_title：Cell

authors： Hargreaves DC,Horng T,Medzhitov R

更新日期：2009-07-10 00:00:00

abstract：:Cell surface growth factor receptors couple environmental cues to the regulation of cytoplasmic homeostatic processes, including autophagy, and aberrant activation of such receptors is a common feature of human malignancies. Here, we defined the molecular basis by which the epidermal growth factor receptor (EGFR) tyro...

journal_title：Cell

authors： Wei Y,Zou Z,Becker N,Anderson M,Sumpter R,Xiao G,Kinch L,Koduru P,Christudass CS,Veltri RW,Grishin NV,Peyton M,Minna J,Bhagat G,Levine B

更新日期：2013-09-12 00:00:00

abstract：:Posttranslational modifications control microtubule behavior, yet assigning roles to particular signals was hampered by lack of defined in vitro systems. In this issue of Cell, Valenstein and Roll-Mecak establish a biochemical platform to interrogate consequences of microtubule polyglutamylation, thereby providing imp...

journal_title：Cell

authors： Schaletzky J,Rape M

更新日期：2016-02-25 00:00:00

abstract：:Alternative splicing (AS) patterns have diverged rapidly during vertebrate evolution, yet the functions of most species- and lineage-specific splicing events are not known. We observe that mammalian-specific AS events are enriched in transcript sequences encoding intrinsically disordered regions (IDRs) of proteins, in...

journal_title：Cell

authors： Gueroussov S,Weatheritt RJ,O'Hanlon D,Lin ZY,Narula A,Gingras AC,Blencowe BJ

更新日期：2017-07-13 00:00:00