Abstract:
:In order to create an extended map of chromatin features within a mammalian multigene locus, we have determined the extent of nuclease sensitivity and the pattern of histone modifications associated with the mouse beta-globin genes in adult erythroid tissue. We show that the nuclease-sensitive domain encompasses the beta-globin genes along with several flanking olfactory receptor genes that are inactive in erythroid cells. We describe enhancer-blocking or boundary elements on either side of the locus that are bound in vivo by the transcription factor CTCF, but we found that they do not coincide with transitions in nuclease sensitivity flanking the locus or with patterns of histone modifications within it. In addition, histone hyperacetylation and dimethylation of histone H3 K4 are not uniform features of the nuclease-sensitive mouse beta-globin domain but rather define distinct subdomains within it. Our results reveal a complex chromatin landscape for the active beta-globin locus and illustrate the complexity of broad structural changes that accompany gene activation.
journal_name
Mol Cell Bioljournal_title
Molecular and cellular biologyauthors
Bulger M,Schübeler D,Bender MA,Hamilton J,Farrell CM,Hardison RC,Groudine Mdoi
10.1128/mcb.23.15.5234-5244.2003subject
Has Abstractpub_date
2003-08-01 00:00:00pages
5234-44issue
15eissn
0270-7306issn
1098-5549journal_volume
23pub_type
杂志文章abstract::Misregulation of NF-kappaB signaling leads to infectious, inflammatory, or autoimmune disorders. IkappaB kinase beta (IKKbeta) is an essential activator of NF-kappaB and is known to phosphorylate the NF-kappaB inhibitor, IkappaBalpha, allowing it to undergo ubiquitin-mediated proteasomal degradation. However, beyond I...
journal_title:Molecular and cellular biology
pub_type: 杂志文章
doi:10.1128/MCB.01101-07
更新日期:2007-11-01 00:00:00
abstract::Pax transactivation domain-interacting protein (PTIP, or PAXIP1) is required for mouse development and has been implicated in DNA damage responses and histone modification. However, the physiological roles of PTIP during embryogenesis remain unclear due to early embryonic lethality of null mutants. We describe two N-e...
journal_title:Molecular and cellular biology
pub_type: 杂志文章
doi:10.1128/MCB.00727-08
更新日期:2008-10-01 00:00:00
abstract::Despite detailed knowledge of the components of the spindle assembly checkpoint, a molecular explanation of how cells die after prolonged spindle checkpoint activation, and thus how microtubule inhibitors and other antimitotic drugs ultimately elicit their lethal effects, has yet to emerge. Mitotically arrested cells ...
journal_title:Molecular and cellular biology
pub_type: 杂志文章
doi:10.1128/MCB.00882-09
更新日期:2010-02-01 00:00:00
abstract::Transcription factor Nrf2 (NF-E2-related factor 2) is essential for oxidative and electrophilic stress responses. While it has been well characterized that Nrf2 activity is tightly regulated at the protein level through proteasomal degradation via Keap1 (Kelch-like ECH-associated protein 1)-mediated ubiquitination, no...
journal_title:Molecular and cellular biology
pub_type: 杂志文章
doi:10.1128/MCB.00065-13
更新日期:2013-06-01 00:00:00
abstract::The UvsW protein of bacteriophage T4 is involved in many aspects of phage DNA metabolism, including repair, recombination, and recombination-dependent replication. UvsW has also been implicated in the repression of origin-dependent replication at late times of infection, when UvsW is normally synthesized. Two well-cha...
journal_title:Molecular and cellular biology
pub_type: 杂志文章
doi:10.1128/MCB.21.8.2706-2715.2001
更新日期:2001-04-01 00:00:00
abstract::The Eph receptors are the largest known family of receptor tyrosine kinases and are notable for distinctive expression patterns in the nervous system and in early vertebrate development. However, all were identified as orphan receptors, and only recently have there been descriptions of a corresponding family of ligand...
journal_title:Molecular and cellular biology
pub_type: 杂志文章
doi:10.1128/mcb.15.9.4921
更新日期:1995-09-01 00:00:00
abstract::Sequence blocks within the core region were swapped among RNA polymerase II promoters to explore effects on transcription in vitro. The pair of blocks flanking TATA strongly influenced general transcription, with an additional effect on promoter activation. These flanking elements induced a change in the ratio of acti...
journal_title:Molecular and cellular biology
pub_type: 杂志文章
doi:10.1128/mcb.20.10.3608-3615.2000
更新日期:2000-05-01 00:00:00
abstract::The establishment of epigenetic marks, such as methylation on histone tails, is mechanistically linked to RNA polymerase II within active genes. To explore the interplay between these modifications in transcribed noncoding as well as coding sequences, we analyzed epigenetic modification and chromatin structure at high...
journal_title:Molecular and cellular biology
pub_type: 杂志文章
doi:10.1128/MCB.01684-06
更新日期:2007-02-01 00:00:00
abstract::The interleukin-2 receptor (IL-2R) beta chain (IL-2R beta) is an essential signaling component of high- and intermediate-affinity IL-2Rs. Our laboratory previously reported that a DNA fragment containing 857 bp of 5'-flanking sequence of the human IL-2R beta gene exhibited promoter activity. We have now further charac...
journal_title:Molecular and cellular biology
pub_type: 杂志文章
doi:10.1128/mcb.13.10.6201
更新日期:1993-10-01 00:00:00
abstract::RNA interference with one of the eight Caenorhabditis elegans linker histone genes triggers desilencing of a repetitive transgene and developmental defects in the hermaphrodite germ line. These characteristics are similar to the phenotype of the C. elegans Polycomb group genes mes-2, mes-3, mes-4, and mes-6 (M. A. Jed...
journal_title:Molecular and cellular biology
pub_type: 杂志文章
doi:10.1128/MCB.01713-06
更新日期:2007-03-01 00:00:00
abstract::Xenopus laevis oogenesis is characterized by an active transcription which ceases abruptly upon maturation. To survey changes in the characteristics of the transcriptional machinery which might contribute to this transcriptional arrest, the phosphorylation status of the RNA polymerase II largest subunit (RPB1 subunit)...
journal_title:Molecular and cellular biology
pub_type: 杂志文章
doi:10.1128/mcb.17.3.1434
更新日期:1997-03-01 00:00:00
abstract::Retinoic acid (RA) is required for normal airway epithelial cell growth and differentiation both in vivo and in vitro. One of the earliest events following the exposure of bronchial epithelial cells to RA is the strong induction of RA receptor beta (RAR beta) mRNA. Previous work established that many lung cancer cell ...
journal_title:Molecular and cellular biology
pub_type: 杂志文章
doi:10.1128/mcb.15.7.3945
更新日期:1995-07-01 00:00:00
abstract::Analysis of the p50 and p65 subunits of the NF-kappa B transcription factor complex has revealed that both proteins can interact with related DNA sequences through either homo- or heterodimer formation. In addition, the product of the proto-oncogene c-rel can bind to similar DNA motifs by itself or as a heterodimer wi...
journal_title:Molecular and cellular biology
pub_type: 杂志文章
doi:10.1128/mcb.12.10.4412
更新日期:1992-10-01 00:00:00
abstract::DHTKD1, a part of 2-ketoadipic acid dehydrogenase complex, is involved in lysine and tryptophan catabolism. Mutations in DHTKD1 block the metabolic pathway and cause 2-aminoadipic and 2-oxoadipic aciduria (AMOXAD), an autosomal recessive inborn metabolic disorder. In addition, a nonsense mutation in DHTKD1 that we ide...
journal_title:Molecular and cellular biology
pub_type: 杂志文章
doi:10.1128/MCB.00085-18
更新日期:2018-06-14 00:00:00
abstract::Gap junctions are membrane channels that permit the interchange of ions and other low-molecular-weight molecules between adjacent cells. Rous sarcoma virus (RSV)-induced transformation is marked by an early and profound disruption of gap-junctional communication, suggesting that these membrane structures may serve as ...
journal_title:Molecular and cellular biology
pub_type: 杂志文章
doi:10.1128/mcb.10.4.1754
更新日期:1990-04-01 00:00:00
abstract::The chemotropic guidance cue netrin-1 mediates attraction of migrating axons during central nervous system development through the receptor Deleted in Colorectal Cancer (DCC). Downstream of netrin-1, activated Rho GTPases Rac1 and Cdc42 induce cytoskeletal rearrangements within the growth cone. The Rho guanine nucleot...
journal_title:Molecular and cellular biology
pub_type: 杂志文章
doi:10.1128/MCB.01264-12
更新日期:2013-02-01 00:00:00
abstract::Pseudo-exons are intronic sequences that are flanked by apparent consensus splice sites but that are not observed in spliced mRNAs. Pseudo-exons are often difficult to activate by mutation and have typically been viewed as a conceptual challenge to our understanding of how the spliceosome discriminates between authent...
journal_title:Molecular and cellular biology
pub_type: 杂志文章
doi:10.1128/MCB.26.6.2237-2246.2006
更新日期:2006-03-01 00:00:00
abstract::In Pichia pastoris, alcohol oxidase (AOX) is the first enzyme in the methanol utilization pathway and is encoded by two genes, AOX1 and AOX2. The DNA and predicted amino acid sequences of the protein-coding portions of the genes are closely homologous, whereas flanking sequences share no homology. The functional roles...
journal_title:Molecular and cellular biology
pub_type: 杂志文章
doi:10.1128/mcb.9.3.1316
更新日期:1989-03-01 00:00:00
abstract::Ligand activation of Notch receptors leads to release of the intracellular receptor domain (Notch IC), which translocates to the nucleus and interacts with the DNA-binding protein RBP-Jkappa to control expression of specific target genes. A number of proteins have been shown to interact with Notch ICs and to modulate ...
journal_title:Molecular and cellular biology
pub_type: 杂志文章
doi:10.1128/mcb.22.22.7812-7819.2002
更新日期:2002-11-01 00:00:00
abstract::Interferon (IFN) regulatory factor 1 (IRF-1) and IRF-2 were originally identified as transcription factors involved in the regulation of the IFN system. IRF-1 functions as a transcriptional activator, while IRF-2 represses IRF-1 function. More recently, evidence has been provided that IRF-1 and IRF-2 manifest antionco...
journal_title:Molecular and cellular biology
pub_type: 杂志文章
doi:10.1128/mcb.13.8.4531
更新日期:1993-08-01 00:00:00
abstract::Abundant approximately 28-nucleotide RNAs that are thought to direct histone H3 lysine 9 (H3K9) methylation and promote the elimination of nearly 15 Mbp of DNA from the developing somatic genome are generated during Tetrahymena thermophila conjugation. To identify the protein(s) that generates these small RNAs, we stu...
journal_title:Molecular and cellular biology
pub_type: 杂志文章
doi:10.1128/MCB.25.20.9151-9164.2005
更新日期:2005-10-01 00:00:00
abstract::Mona/Gads is a Grb2-related, Src homology 3 (SH3) and SH2 domain-containing adapter protein whose expression is restricted to cells of hematopoietic lineage (i.e., monocytes and T lymphocytes). During monocyte/macrophage differentiation, Mona is induced and interacts with the macrophage colony-stimulating factor recep...
journal_title:Molecular and cellular biology
pub_type: 杂志文章
doi:10.1128/mcb.22.11.3744-3756.2002
更新日期:2002-06-01 00:00:00
abstract::The retinoblastoma tumor suppressor protein (RB) is a negative regulator of the cell cycle that inhibits both G(1) and S-phase progression. While RB-mediated G(1) inhibition has been extensively studied, the mechanism utilized for S-phase inhibition is unknown. To delineate the mechanism through which RB inhibits DNA ...
journal_title:Molecular and cellular biology
pub_type: 杂志文章
doi:10.1128/MCB.21.12.4032-4045.2001
更新日期:2001-06-01 00:00:00
abstract::The failure to transcribe the phenylalanine hydroxylase (PAH) gene in the liver of hepatocyte nuclear factor 1alpha (HNF1alpha)-deficient mice correlated with DNA hypermethylation and the presence of an inactive chromatin structure (M. Pontoglio, D. M. Faust, A. Doyen, M. Yaniv, and M. C. Weiss, Mol. Cell. Biol. 17:49...
journal_title:Molecular and cellular biology
pub_type: 杂志文章
doi:10.1128/MCB.21.11.3662-3670.2001
更新日期:2001-06-01 00:00:00
abstract::The cytotoxic serine protease B (CSP-B) gene is activated during cytotoxic T-lymphocyte maturation. In this report, we demonstrate that the PEER T-cell line (bearing gamma/delta T-cell receptors) accumulates CSP-B mRNA following exposure to 12-O-tetradecanoylphorbol-13-acetate (TPA) and N6-2'-O-dibutyryladenosine 3',5...
journal_title:Molecular and cellular biology
pub_type: 杂志文章
doi:10.1128/mcb.10.11.5655
更新日期:1990-11-01 00:00:00
abstract::Sortilin is a member of the Vps10p domain family of neuropeptide and neurotrophin binding neuronal receptors. The family members interact with and partly share a variety of ligands and partake in intracellular sorting and protein transport as well as in transmembrane signal transduction. Thus, sortilin mediates the tr...
journal_title:Molecular and cellular biology
pub_type: 杂志文章
doi:10.1128/MCB.00274-10
更新日期:2010-09-01 00:00:00
abstract::The product of the EUG1 gene of Saccharomyces cerevisiae is a soluble endoplasmic reticulum protein with homology to both the mammalian protein disulfide isomerase (PDI) and the yeast PDI homolog encoded by the essential PDI1 gene. Deletion or overexpression of EUG1 causes no growth defects under a variety of conditio...
journal_title:Molecular and cellular biology
pub_type: 杂志文章
doi:10.1128/mcb.12.10.4601
更新日期:1992-10-01 00:00:00
abstract::In Saccharomyces cerevisiae, 3-amino-1,2,4-triazole (aminotriazole) competitively inhibits the activity of imidazoleglycerolphosphate dehydratase, the product of the HIS3 gene. Wild-type strains are able to grow in the presence of 10 mM aminotriazole because they induce the level of imidazoleglycerolphosphate dehydrat...
journal_title:Molecular and cellular biology
pub_type: 杂志文章
doi:10.1128/mcb.8.2.664
更新日期:1988-02-01 00:00:00
abstract::The K-fgf/hst oncogene encodes a secreted growth factor of the fibroblast growth factor (FGF) family. The ability of K-fgf-transformed cells to grow in soft agar and in serum-free medium is inhibited by anti-K-FGF neutralizing antibodies, consistent with an autocrine mechanism of transformation. The transformed proper...
journal_title:Molecular and cellular biology
pub_type: 杂志文章
doi:10.1128/mcb.11.2.1138
更新日期:1991-02-01 00:00:00
abstract::Ewing's family tumor (EFT) is a rare pediatric tumor of unclear origin that occurs in bone and soft tissue. Specific chromosomal translocations found in EFT cause EWS to fuse to a subset of ets transcription factor genes (ETS), generating chimeric EWS/ETS proteins. These proteins are believed to play a crucial role in...
journal_title:Molecular and cellular biology
pub_type: 杂志文章
doi:10.1128/MCB.00740-07
更新日期:2008-04-01 00:00:00