Gamma-tubulin is present in Drosophila melanogaster and Homo sapiens and is associated with the centrosome.

abstract：:We have analyzed the transcriptional regulation of plastid genes during chloroplast development in illuminated spinach cotyledons and during leaf formation. The RNAs encoded by plastid genes accumulate with different kinetics during the developmental transitions. Using a novel plastid run-on transcription assay we dem...

journal_title：Cell

authors： Deng XW,Gruissem W

更新日期：1987-05-08 00:00:00

abstract：:We mutated, by gene targeting, the endogenous hypoxanthine phosphoribosyl transferase (HPRT) gene in mouse embryo-derived stem (ES) cells. A specialized construct of the neomycin resistance (neor) gene was introduced into an exon of a cloned fragment of the Hprt gene and used to transfect ES cells. Among the G418r col...

journal_title：Cell

authors： Thomas KR,Capecchi MR

更新日期：1987-11-06 00:00:00

abstract：:Autosomal-dominant dyskeratosis congenita is associated with heterozygous mutations in telomerase. To examine the dosage effect of telomerase, we generated a line of mTR+/- mice on the CAST/EiJ background, which has short telomeres. Interbreeding of heterozygotes resulted in progressive telomere shortening, indicating...

journal_title：Cell

authors： Hao LY,Armanios M,Strong MA,Karim B,Feldser DM,Huso D,Greider CW

更新日期：2005-12-16 00:00:00

abstract：:The phenotype of the autosomal recessive mutation scat includes severe intermittent bleeding, depletion of platelets, and circulating anti-platelet antibodies. In this study, we have mapped the scat mutation to mouse chromosome 8 and shown that the immune component is a secondary consequence of the gene defect. Surpri...

journal_title：Cell

authors： Peters LL,Barker JE

更新日期：1993-07-16 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：:Leukocyte adhesion deficiency (LAD) is a heritable disease involving deficient expression of three related leukocyte adhesion glycoproteins: LFA-1, Mac-1, and p150,95. These proteins are alpha beta heterodimers containing identical 95,000 dalton beta subunits. Here we demonstrate that the primary defect in LAD is in t...

journal_title：Cell

authors： Kishimoto TK,Hollander N,Roberts TM,Anderson DC,Springer TA

更新日期：1987-07-17 00:00:00

abstract：:In RNA-mediated interference (RNAi), double-stranded RNAs (dsRNAs) target complementary mRNAs for degradation. New work demonstrates that essential chromosomal functions are mediated through RNAi protein components and short RNAs, which alter chromosome function at specific DNA loci via histone modification. ...

journal_title：Cell

authors： Dernburg AF,Karpen GH

更新日期：2002-10-18 00:00:00

abstract：:An agent that blocks tumor angiogenesis, growth, and metastasis without affecting normal tissues -- whether used alone or in combination with currently approved drugs -- would change the way we treat cancer. In this issue, Fischer et al. (2007) offer compelling evidence that a monoclonal antibody against placental gro...

journal_title：Cell

authors： Jain RK,Xu L

更新日期：2007-11-02 00:00:00

abstract：:Screens for agents that specifically kill epithelial cancer stem cells (CSCs) have not been possible due to the rarity of these cells within tumor cell populations and their relative instability in culture. We describe here an approach to screening for agents with epithelial CSC-specific toxicity. We implemented this ...

journal_title：Cell

authors： Gupta PB,Onder TT,Jiang G,Tao K,Kuperwasser C,Weinberg RA,Lander ES

更新日期：2009-08-21 00:00:00

abstract：:Lower urinary tract infections are among the most common human bacterial infections, but extension to the kidneys is rare. This has been attributed to mechanical forces, such as urine flow, that prevent the ascent of bladder microbes. Here, we show that the regional hypersalinity, required for the kidney's urine-conce...

journal_title：Cell

authors： Berry MR,Mathews RJ,Ferdinand JR,Jing C,Loudon KW,Wlodek E,Dennison TW,Kuper C,Neuhofer W,Clatworthy MR

更新日期：2017-08-24 00:00:00

abstract：:The role of S. cerevisiae YDJ1 protein (YDJ1p) in polypeptide translocation across membranes has been examined. A conditional ydj1 mutant strain (ydj1-151TS) is defective for import of several polypeptides into mitochondria and alpha factor into the endoplasmic reticulum at 37 degrees C. These defects are suppressed b...

journal_title：Cell

authors： Caplan AJ,Cyr DM,Douglas MG

更新日期：1992-12-24 00:00:00

abstract：:The unfolded protein response (UPR) regulates gene expression in response to stress in the endoplasmic reticulum (ER). We determined the transcriptional scope of the UPR using DNA microarrays. Rather than regulating only ER-resident chaperones and phospholipid biosynthesis, as anticipated from earlier work, the UPR af...

journal_title：Cell

authors： Travers KJ,Patil CK,Wodicka L,Lockhart DJ,Weissman JS,Walter P

更新日期：2000-04-28 00:00:00

abstract：:The modularity of protein architecture and the diversity of protein domains hint at a vast combinatorial richness. But evolution appears to have been relatively conservative about selecting new combinations. When a particular grouping of domains within a polypeptide chain can perform a concerted function, that combina...

journal_title：Cell

authors： Harrison SC

更新日期：2003-03-21 00:00:00

abstract：:The mitotic checkpoint prevents advance to anaphase prior to successful attachment of every centromere/kinetochore to mitotic spindle microtubules. Using purified components and Xenopus egg extracts, the kinetochore-associated microtubule motor CENP-E is now shown to be the activator of the essential checkpoint kinase...

journal_title：Cell

authors： Mao Y,Abrieu A,Cleveland DW

更新日期：2003-07-11 00:00:00

abstract：:The small molecular weight RNAs of the HeLa cell have been located in specific subcellular fractions. SnA is located in the nucleolus and is partially bonded to nucleolar 28S RNA. SnD, the most abundant of the small nuclear RNAs, is partially released from the nucleus when the nuclear preparation is briefly warmed. Sn...

journal_title：Cell

authors： Zieve G,Penman S

更新日期：1976-05-01 00:00:00

abstract：:The textbook view of gene activation is that the rate-limiting step is the interaction of RNA polymerase II (Pol II) with the gene's promoter. However, studies in a variety of systems, including human embryonic stem cells and the early Drosophila embryo, have begun to challenge this view. There is increasing evidence ...

journal_title：Cell

authors： Levine M

更新日期：2011-05-13 00:00:00

abstract：:Cells producing avian sarcoma virus (ASV) contain at least three virus-specific mRNAs, two of which are encoded within the 3' half of the viral genome. Each of these viral RNAs can hybridize with single-stranded DNA(cDNA5') that is complementary to a sequence of 101 nucleotides found at the 5' terminus of the ASV geno...

journal_title：Cell

authors： Cordell B,Weiss SR,Varmus HE,Bishop JM

更新日期：1978-09-01 00:00:00

abstract：:Thrombin stimulates 32Pi incorporation into phosphatidylinositol 4-phosphate (PIP), phosphatidylinositol 4,5-bis-phosphate (PIP2), and phosphatidylinositol (PI), and initiates DNA synthesis in hamster (NIL) fibroblasts at a half-maximal concentration of 125 ng/ml. Neomycin, which binds PIP2 and PIP, inhibits both thro...

journal_title：Cell

authors： Carney DH,Scott DL,Gordon EA,LaBelle EF

更新日期：1985-09-01 00:00:00

abstract：:Adult skeletal muscle generates force in a controlled and directed manner through the contraction of highly specialized, postmitotic, multinucleated myofibers. Life-long muscle function relies on maintenance and regeneration of myofibers through a highly regulated process beginning with activation of normally quiescen...

journal_title：Cell

authors： Wagers AJ,Conboy IM

更新日期：2005-09-09 00:00:00

abstract：:gamma-Irradiation of human diploid fibroblasts in the G1 interval caused arrest of the cell cycle prior to S phase. This cell cycle block was correlated with a lack of activation of both cyclin E-Cyclin-dependent kinase 2 (Cdk2) and cyclin A-Cdk2 kinases and depended on wild-type p53. Although the accumulation of cycl...

journal_title：Cell

authors： Dulić V,Kaufmann WK,Wilson SJ,Tlsty TD,Lees E,Harper JW,Elledge SJ,Reed SI

更新日期：1994-03-25 00:00:00

abstract：:A mutant in src, the oncogene of Rous sarcoma virus, has been constructed in which the major phosphorylated tyrosine (Tyr-416, located in the carboxy-terminal half of the protein) has been replaced by phenylalanine. Mouse cells transformed with this mutant src form foci and grow in soft agar, indicative of a transform...

journal_title：Cell

authors： Snyder MA,Bishop JM,Colby WW,Levinson AD

更新日期：1983-03-01 00:00:00

abstract：:Aging has been associated with a progressive decline of proteostasis, but how this process affects proteome composition remains largely unexplored. Here, we profiled more than 5,000 proteins along the lifespan of the nematode C. elegans. We find that one-third of proteins change in abundance at least 2-fold during agi...

journal_title：Cell

authors： Walther DM,Kasturi P,Zheng M,Pinkert S,Vecchi G,Ciryam P,Morimoto RI,Dobson CM,Vendruscolo M,Mann M,Hartl FU

更新日期：2015-05-07 00:00:00

abstract：:Using single-cell RNA sequencing, Avraham et al. investigate how variability in macrophage response to infection is controlled by variability within the pathogen population. They find that heterogeneous expression of the Salmonella virulence factor PhoP and subsequent cell-wall modifications lead to the bimodal induct...

journal_title：Cell

authors： Tay S

更新日期：2015-09-10 00:00:00

abstract：:The first event in the initiation of eukaryotic DNA replication is the recruitment of the MCM2-7 ATPase, the core of the replicative DNA helicase, to origins. Ticau et al. use single-molecule imaging to reveal how ORC, Cdc6, and Cdt1 cooperate to load MCM2-7 onto DNA, enabling bidirectional replication. ...

journal_title：Cell

authors： Chistol G,Walter JC

更新日期：2015-04-23 00:00:00

abstract：:Toxins have evolved to target regions of membrane ion channels that underlie ligand binding, gating, or ion permeation, and have thus served as invaluable tools for probing channel structure and function. Here, we describe a peptide toxin from the Earth Tiger tarantula that selectively and irreversibly activates the c...

journal_title：Cell

authors： Bohlen CJ,Priel A,Zhou S,King D,Siemens J,Julius D

更新日期：2010-05-28 00:00:00

abstract：:Transfer of human chromosome 11, which contains the myoD locus, from primary fibroblasts into 10T1/2 cells results in activation of myoD. In contrast, hybrids that retain human chromosome 11 and additional human chromosomes fail to activate myoD. We show that human chromosome 4 inhibits myoD activation. myoD enhancer/...

journal_title：Cell

authors： Woloshin P,Song K,Degnin C,Killary AM,Goldhamer DJ,Sassoon D,Thayer MJ

更新日期：1995-08-25 00:00:00

abstract：:Neural inputs from internal organs are essential for normal autonomic function. The vagus nerve is a key body-brain connection that monitors the digestive, cardiovascular, and respiratory systems. Within the gastrointestinal tract, vagal sensory neurons detect gut hormones and organ distension. Here, we investigate th...

journal_title：Cell

authors： Williams EK,Chang RB,Strochlic DE,Umans BD,Lowell BB,Liberles SD

更新日期：2016-06-30 00:00:00

abstract：:Loss-of-function diseases are often caused by a mutation in a protein traversing the secretory pathway that compromises the normal balance between protein folding, trafficking, and degradation. We demonstrate that the innate cellular protein homeostasis, or proteostasis, capacity can be enhanced to fold mutated enzyme...

journal_title：Cell

authors： Mu TW,Ong DS,Wang YJ,Balch WE,Yates JR 3rd,Segatori L,Kelly JW

更新日期：2008-09-05 00:00:00

abstract：:The mammalian circadian timing system is composed of a central pacemaker in the suprachiasmatic nucleus (SCN) of the brain and subsidiary oscillators in most peripheral cell types. While oscillators in SCN neurons are known to function in a self-sustained fashion, peripheral oscillators have been thought to damp rapid...

journal_title：Cell

authors： Nagoshi E,Saini C,Bauer C,Laroche T,Naef F,Schibler U

更新日期：2004-11-24 00:00:00

abstract：:Cytoplasmic dynein is a motor protein that exerts force on microtubules. To generate force for the movement of large organelles, dynein needs to be anchored, with the anchoring sites being typically located at the cell cortex. However, the mechanism by which dyneins target sites where they can generate large collectiv...

journal_title：Cell

authors： Ananthanarayanan V,Schattat M,Vogel SK,Krull A,Pavin N,Tolić-Nørrelykke IM

更新日期：2013-06-20 00:00:00