Phototransduction motifs and variations.

abstract：:The Ion gene of E. coli controls the stability of two bacteriophage lambda proteins. The functional half-life of the phage N gene product, measured by complementation, is increased about 5-fold in Ion mutant strains, from 2 min to 10 min. The chemical half-life of N protein, determined by its disappearance on polyacry...

journal_title：Cell

authors： Gottesman S,Gottesman M,Shaw JE,Pearson ML

更新日期：1981-04-01 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：:Prolonged behavioral challenges can cause animals to switch from active to passive coping strategies to manage effort-expenditure during stress; such normally adaptive behavioral state transitions can become maladaptive in psychiatric disorders such as depression. The underlying neuronal dynamics and brainwide interac...

journal_title：Cell

authors： Andalman AS,Burns VM,Lovett-Barron M,Broxton M,Poole B,Yang SJ,Grosenick L,Lerner TN,Chen R,Benster T,Mourrain P,Levoy M,Rajan K,Deisseroth K

更新日期：2019-05-02 00:00:00

abstract：:Twitter needs no introduction. This "microblogging" service has gained tremendous popularity in the 2 years since its launch. Yet, most scientists are steering clear of it. Laura Bonetta speaks to some who have found value in tweeting. ...

journal_title：Cell

authors： Bonetta L

更新日期：2009-10-30 00:00:00

abstract：:Spatial organization of cellular proteins plays an important role in establishment of cellular polarity to regulate cell division, differentiation, migration, and organogenesis. Activation of T cells by antigen-presenting cells (APCs) results in the formation of an immunological synapse (IS), assembly of a signaling s...

journal_title：Cell

authors： Yeh JH,Sidhu SS,Chan AC

更新日期：2008-03-07 00:00:00

abstract：:A novel trimolecular mechanism of microbial attachment to mammalian host cells was characterized for the obligate intracellular pathogen Chlamydia trachomatis. Using purified glycosaminoglycans (GAGs) and specific GAG lyases, we demonstrated that a heparan sulfate-like GAG present on the surface of chlamydia organisms...

journal_title：Cell

authors： Zhang JP,Stephens RS

更新日期：1992-05-29 00:00:00

abstract：:Egg laying by the nematode Caenorhabditis elegans requires the functioning of the vulva, the gonad, the egg-laying muscles, and the two HSN neurons, which innervate these muscles. By analyzing a newly isolated mutant (dig-1) that displaces the gonad, we discovered that cell interactions coordinate the spatial relation...

journal_title：Cell

authors： Thomas JH,Stern MJ,Horvitz HR

更新日期：1990-09-21 00:00:00

abstract：:Investigating the family tree of a tumor to identify its cellular origins is a daunting task. Liu et al. (2011) now use an elegant lineage tracing technique (MADM) to visualize glioma from its earliest stages. They show that mutations originally induced in neural stem cells lie dormant and only trigger malignant trans...

journal_title：Cell

authors： Sukhdeo K,Hambardzumyan D,Rich JN

更新日期：2011-07-22 00:00:00

abstract：:Cyclic dinucleotides (CDNs) have been previously recognized as important secondary signaling molecules in bacteria and, more recently, in mammalian cells. In the former case, they represent secondary messengers affecting numerous responses of the prokaryotic cell, whereas in the latter, they act as agonists of the inn...

journal_title：Cell

authors： Danilchanka O,Mekalanos JJ

更新日期：2013-08-29 00:00:00

abstract：:Fragile X syndrome results from the expansion of a CGG repeat that is normally interrupted by occasional AGG triplets. Linkage disequilibrium suggests that certain normal haplotypes may contribute unequally to the pool of fragile X chromosomes. Sequence analysis of normal alleles demonstrates haplotype-specific variat...

journal_title：Cell

authors： Kunst CB,Warren ST

更新日期：1994-06-17 00:00:00

abstract：:Competence development and sporulation in B. subtilis are partly controlled by peptides that accumulate in culture medium as cells grow to high density. We constructed two genes that encode mature forms of two different signaling molecules, the PhrA peptide that stimulates sporulation, and CSF, the competence- and spo...

journal_title：Cell

authors： Lazazzera BA,Solomon JM,Grossman AD

更新日期：1997-06-13 00:00:00

abstract：:The major site of in vivo transcriptional initiation for both heavy and light strands of human mitochondrial DNA is the displacement-loop region. Transcripts synthesized in vitro by human mitochondrial RNA polymerase were mapped to the nucleotide level and have identical 5' end map positions to those reported for in v...

journal_title：Cell

authors： Chang DD,Clayton DA

更新日期：1984-03-01 00:00:00

abstract：:Neurodegenerative diseases can occur so early as to affect neurodevelopment. From a cohort of more than 2,000 consanguineous families with childhood neurological disease, we identified a founder mutation in four independent pedigrees in cleavage and polyadenylation factor I subunit 1 (CLP1). CLP1 is a multifunctional ...

journal_title：Cell

authors： Schaffer AE,Eggens VR,Caglayan AO,Reuter MS,Scott E,Coufal NG,Silhavy JL,Xue Y,Kayserili H,Yasuno K,Rosti RO,Abdellateef M,Caglar C,Kasher PR,Cazemier JL,Weterman MA,Cantagrel V,Cai N,Zweier C,Altunoglu U,Satkin N

更新日期：2014-04-24 00:00:00

abstract：:A study in this issue of Cell illustrates the power of applying genomic approaches with model systems to characterize the biological activity of small molecules and to identify their cellular targets, which can clarify the mode of action of human therapeutics. ...

journal_title：Cell

authors： Hughes T,Andrews B,Boone C

更新日期：2004-01-09 00:00:00

abstract：:Recent evidence suggests that a subset of cancer cells within some tumors, the so-called cancer stem cells, may drive the growth and metastasis of these tumors. Understanding the pathways that regulate proliferation, self-renewal, survival, and differentiation of malignant and normal stem cells may shed light on mecha...

journal_title：Cell

authors： Clarke MF,Fuller M

更新日期：2006-03-24 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：:Mice homozygous for a targeted mutation of the Hoxa-2 (Hox 1.11) gene are born with cleft palates and die within 24 hr of birth. Analysis of stained skeletons revealed that homozygous mutant animals contained multiple cranial skeletal defects, including a duplication of the ossification centers of the bones of the mid...

journal_title：Cell

authors： Gendron-Maguire M,Mallo M,Zhang M,Gridley T

更新日期：1993-12-31 00:00:00

abstract：:Science is a powerful force for change in modern society. As the professionals at its helm, scientists have a unique responsibility to shepherd that change with thoughtful advocacy of their research and careful ethical scrutiny of their own behavior. ...

journal_title：Cell

authors： Wolpe PR

更新日期：2006-06-16 00:00:00

abstract：:Individual olfactory sensory neurons express only a single odorant receptor from a large family of genes, and this singularity is an essential feature in models of olfactory perception. We have devised a genetic strategy to examine the stability of receptor choice. We observe that immature olfactory sensory neurons th...

journal_title：Cell

authors： Shykind BM,Rohani SC,O'Donnell S,Nemes A,Mendelsohn M,Sun Y,Axel R,Barnea G

更新日期：2004-06-11 00:00:00

abstract：:SecA, the peripheral subunit of E. coli preprotein translocase, alternates between a membrane inserted and a deinserted state as part of the catalytic cycle of preprotein translocation. When SecA is complexed with SecY/E and preprotein, ATP drives a profound conformational change, leading to membrane insertion of a 30...

journal_title：Cell

authors： Economou A,Wickner W

更新日期：1994-09-09 00:00:00

abstract：:We used clinical tissue from lethal metastatic castration-resistant prostate cancer (CRPC) patients obtained at rapid autopsy to evaluate diverse genomic, transcriptomic, and phosphoproteomic datasets for pathway analysis. Using Tied Diffusion through Interacting Events (TieDIE), we integrated differentially expressed...

journal_title：Cell

authors： Drake JM,Paull EO,Graham NA,Lee JK,Smith BA,Titz B,Stoyanova T,Faltermeier CM,Uzunangelov V,Carlin DE,Fleming DT,Wong CK,Newton Y,Sudha S,Vashisht AA,Huang J,Wohlschlegel JA,Graeber TG,Witte ON,Stuart JM

更新日期：2016-08-11 00:00:00

abstract：:Specific active transcription units on chromosome IV in the salivary glands of Chironomus tentans have been visualized by the Miller spreading technique and in situ by conventional electron microscopy. These units are likely to be located in the two most conspicuous puffs on chromosome IV, Balbiani ring 1 (BR 1) and B...

journal_title：Cell

authors： Lamb MM,Daneholt B

更新日期：1979-08-01 00:00:00

abstract：:HIV release requires TSG101, a cellular factor that sorts proteins into vesicles that bud into multivesicular bodies (MVB). To test whether other proteins involved in MVB biogenesis (the class E proteins) also participate in HIV release, we identified 22 candidate human class E proteins. These proteins were connected ...

journal_title：Cell

authors： von Schwedler UK,Stuchell M,Müller B,Ward DM,Chung HY,Morita E,Wang HE,Davis T,He GP,Cimbora DM,Scott A,Kräusslich HG,Kaplan J,Morham SG,Sundquist WI

更新日期：2003-09-19 00:00:00

abstract：:Six restriction fragments of Ad2 DNA which contain sites for RNA initiation have been identified by their ability to hybridize nascent labeled RNA less than 1 kb in length. Four RNA initiation sites early in infection are identified in regions where previous work (Flint, 1977) had mapped mRNAs. The major late RNA init...

journal_title：Cell

authors： Evans RM,Fraser N,Ziff E,Weber J,Wilson M,Darnell JE

更新日期：1977-11-01 00:00:00

abstract：:Ischemia-associated oxidative damage leading to necrosis is a major cause of catastrophic tissue loss, and elucidating its signaling mechanism is therefore of paramount importance. p53 is a central stress sensor responding to multiple insults, including oxidative stress to orchestrate apoptotic and autophagic cell dea...

journal_title：Cell

authors： Vaseva AV,Marchenko ND,Ji K,Tsirka SE,Holzmann S,Moll UM

更新日期：2012-06-22 00:00:00

abstract：:Much of the Y chromosome consists of large palindromic arrays harboring genes that are critical for spermatogenesis. In this issue, Lange et al. (2009) show that although gene conversion within these arrays maintains their integrity, it also permits rare unequal sister chromatid-exchange events within palindromes that...

journal_title：Cell

authors： Hall HE,Hawley RS

更新日期：2009-09-04 00:00:00

abstract：:Isolated human mitochondria containing a mitochondrial DNA (mtDNA) coded chloramphenicol resistance marker were injected into cells from two different human sensitive cell lines, 143BTK- and HT1080-6TG, which had been partially depleted of their mtDNA by ethidium bromide treatment. On the basis of the available eviden...

journal_title：Cell

authors： King MP,Attardi G

更新日期：1988-03-25 00:00:00

abstract：:Nuclear matrices from undifferentiated and differentiated Friend erythroleukemia cells have been obtained by a method which removes DNA in a physiological buffer. These matrices preserved the characteristic topographical distribution of condensed and diffuse "chromatin" regions, as do nuclei in situ or isolated nuclei...

journal_title：Cell

authors： Long BH,Huang CY,Pogo AO

更新日期：1979-12-01 00:00:00

abstract：:The minimal DNA sequence required for the formation of a stable complex with Drosophila heat shock factor (HSF) in vitro is an inverted repeat of a 5 bp recognition unit, -GAA-. Surprisingly, both permutations of this 5 bp unit, head-to-head and tail-to-tail, bind to HSF with similar affinity and with striking 2-fold ...

journal_title：Cell

authors： Perisic O,Xiao H,Lis JT

更新日期：1989-12-01 00:00:00

abstract：:The hsp 70 gene of Drosophila contains three domains to which a heat shock gene specific transcription factor (HSTF) binds. In addition to the previously described 55 bp binding domain proximal to the TAT homology, there are two 25 bp binding sites farther upstream. Footprinting studies with 5' and 3' deletion mutatio...

journal_title：Cell

authors： Topol J,Ruden DM,Parker CS

更新日期：1985-09-01 00:00:00