Abstract:
:Identification of endogenous glycan-binding ligands for cell-surface receptors has been difficult. Incorporation of a photoactive sialic acid analog into B-cell surface glycoproteins suggests that CD22 molecules may cluster by binding carbohydrate antigens on neighboring CD22 molecules.
journal_name
Nat Chem Bioljournal_title
Nature chemical biologyauthors
Yarema KJ,Sun Zdoi
10.1038/nchembio0705-69keywords:
subject
Has Abstractpub_date
2005-07-01 00:00:00pages
69-70issue
2eissn
1552-4450issn
1552-4469pii
nchembio0705-69journal_volume
1pub_type
评论,新闻abstract::Identifying targets of antibacterial compounds remains a challenging step in the development of antibiotics. We have developed a two-pronged functional genomics approach to predict mechanism of action that uses mutant fitness data from antibiotic-treated transposon libraries containing both upregulation and inactivati...
journal_title:Nature chemical biology
pub_type: 杂志文章
doi:10.1038/s41589-018-0041-4
更新日期:2018-06-01 00:00:00
abstract::Methods for imaging and tracking single molecules conjugated with fluorescent probes, called single-molecule tracking (SMT), are now providing researchers with the unprecedented ability to directly observe molecular behaviors and interactions in living cells. Current SMT methods are achieving almost the ultimate spati...
journal_title:Nature chemical biology
pub_type: 杂志文章,评审
doi:10.1038/nchembio.1558
更新日期:2014-07-01 00:00:00
abstract::Nature is a diverse and rich source of bioactive pathways or novel building blocks for synthetic biology. In this Perspective, we describe the emerging research field in which metagenomes are functionally interrogated using synthetic biology. This approach substantially expands the set of identified biological activit...
journal_title:Nature chemical biology
pub_type: 杂志文章,评审
doi:10.1038/s41589-018-0100-x
更新日期:2018-08-01 00:00:00
abstract::Lipid rafts in plasma membranes have emerged as possible platforms for the entry of HIV and other viruses into cells. However, little is known about how lipid phase heterogeneity contributes to viral entry because of the fine-grained and still poorly understood complexity of biological membranes. We used model systems...
journal_title:Nature chemical biology
pub_type: 杂志文章
doi:10.1038/nchembio.1800
更新日期:2015-06-01 00:00:00
abstract::The catalytic activity of many protein kinases is controlled by conformational changes of a conserved Asp-Phe-Gly (DFG) motif. We used an infrared probe to track the DFG motif of the mitotic kinase Aurora A (AurA) and found that allosteric activation by the spindle-associated protein Tpx2 involves an equilibrium shift...
journal_title:Nature chemical biology
pub_type: 杂志文章
doi:10.1038/nchembio.2296
更新日期:2017-04-01 00:00:00
abstract::Despite the fundamental roles of sialyl- and fucosyltransferases in mammalian physiology, there are few pharmacological tools to manipulate their function in a cellular setting. Although fluorinated analogs of the donor substrates are well-established transition state inhibitors of these enzymes, they are not membrane...
journal_title:Nature chemical biology
pub_type: 杂志文章
doi:10.1038/nchembio.999
更新日期:2012-07-01 00:00:00
abstract::Gentamicin B (GB), a valuable starting material for the preparation of the semisynthetic aminoglycoside antibiotic isepamicin, is produced in trace amounts by the wild-type Micromonospora echinospora. Though the biosynthetic pathway to GB has remained obscure for decades, we have now identified three hidden pathways t...
journal_title:Nature chemical biology
pub_type: 杂志文章
doi:10.1038/s41589-018-0203-4
更新日期:2019-03-01 00:00:00
abstract::The heat shock protein 90 (Hsp90) has a critical role in malignant transformation. Whereas its ability to maintain the functional conformations of mutant and aberrant oncoproteins is established, a transformation-specific regulation of the antiapoptotic phenotype by Hsp90 is poorly understood. By using selective compo...
journal_title:Nature chemical biology
pub_type: 杂志文章
doi:10.1038/nchembio.2007.10
更新日期:2007-08-01 00:00:00
abstract::Hundreds of cellular proteins require iron cofactors for activity, and cells express systems for their assembly and distribution. Molecular details of the cytosolic iron pool used for iron cofactors are lacking, but iron chaperones of the poly(rC)-binding protein (PCBP) family play a key role in ferrous ion distributi...
journal_title:Nature chemical biology
pub_type: 杂志文章
doi:10.1038/s41589-019-0330-6
更新日期:2019-09-01 00:00:00
abstract::Targeted drugs are effective when they directly inhibit strong disease drivers, but only a small fraction of diseases feature defined actionable drivers. Alternatively, network-based approaches can uncover new therapeutic opportunities. Applying an integrated phenotypic screening, chemical and phosphoproteomics strate...
journal_title:Nature chemical biology
pub_type: 杂志文章
doi:10.1038/nchembio.2489
更新日期:2017-12-01 00:00:00
abstract::Transcription factors have diverse roles during embryonic development, combinatorially controlling cellular states in a spatially and temporally defined manner. Resolving the dynamic transcriptional profiles that underlie these patterning processes is essential for understanding embryogenesis at the molecular level. H...
journal_title:Nature chemical biology
pub_type: 杂志文章
doi:10.1038/nchembio.772
更新日期:2012-01-29 00:00:00
abstract::We document a new dimension of surface recognition in which communication is controlled through the collective behavior of lipids. Membrane cholesterol induces a tilt in glycolipid receptor headgroup, resulting in loss of access for ligand binding. This property appears to organize erythrocyte blood group presentation...
journal_title:Nature chemical biology
pub_type: 杂志文章
doi:10.1038/nchembio.551
更新日期:2011-05-01 00:00:00
abstract::Biosynthesis enables renewable production of manifold compounds, yet often biosynthetic performance must be improved for it to be economically feasible. Nongenetic, cell-to-cell variations in protein and metabolite concentrations are naturally inherent, suggesting the existence of both high- and low-performance varian...
journal_title:Nature chemical biology
pub_type: 杂志文章
doi:10.1038/nchembio.2046
更新日期:2016-05-01 00:00:00
abstract::Thioredoxin (Trx) is one of the two major thiol antioxidants, playing essential roles in redox homeostasis and signaling. Despite its importance, there is a lack of methods for monitoring Trx redox dynamics in live cells, hindering a better understanding of physiological and pathological roles of the Trx redox system....
journal_title:Nature chemical biology
pub_type: 杂志文章
doi:10.1038/nchembio.2417
更新日期:2017-09-01 00:00:00
abstract::Proper gene expression is essential for the survival of every cell. Once thought to be a passive transporter of genetic information, RNA has recently emerged as a key player in nearly every pathway in the cell. A full description of its structure is critical to understanding RNA function. Decades of research have focu...
journal_title:Nature chemical biology
pub_type: 杂志文章,评审
doi:10.1038/nchembio.1958
更新日期:2015-12-01 00:00:00
abstract::Glycosyltransferases are ubiquitous enzymes that catalyze the assembly of glycoconjugates throughout all kingdoms of nature. A long-standing problem is the rational design of probes that can be used to manipulate glycosyltransferase activity in cells and tissues. Here we describe the rational design and synthesis of a...
journal_title:Nature chemical biology
pub_type: 杂志文章
doi:10.1038/nchembio.520
更新日期:2011-03-01 00:00:00
abstract::Phenylketonuria (PKU) is characterized by phenylalanine accumulation and progressive mental retardation caused by an unknown mechanism. We demonstrate that at pathological concentrations, phenylalanine self-assembles into fibrils with amyloid-like morphology and well-ordered electron diffraction. These assemblies are ...
journal_title:Nature chemical biology
pub_type: 杂志文章
doi:10.1038/nchembio.1002
更新日期:2012-08-01 00:00:00
abstract::F(1)-ATPase is an ATP-driven rotary motor protein in which the γ-subunit rotates against the catalytic stator ring. Although the reaction scheme of F(1) has mostly been revealed, the timing of inorganic phosphate (P(i)) release remains controversial. Here we addressed this issue by verifying the reversibility of ATP h...
journal_title:Nature chemical biology
pub_type: 杂志文章
doi:10.1038/nchembio.443
更新日期:2010-11-01 00:00:00
abstract::Learning regulatory networks from genomics data is an important problem with applications spanning all of biology and biomedicine. Functional genomics projects offer a cost-effective means of greatly expanding the completeness of our regulatory models, and for some prokaryotic organisms they offer a means of learning ...
journal_title:Nature chemical biology
pub_type: 杂志文章,评审
doi:10.1038/nchembio.122
更新日期:2008-11-01 00:00:00
abstract::RNA capping and decapping are thought to be distinctive features of eukaryotes. The redox cofactor NAD was recently discovered to be attached to small regulatory RNAs in bacteria in a cap-like manner, and Nudix hydrolase NudC was found to act as a NAD-decapping enzyme in vitro and in vivo. Here, crystal structures of ...
journal_title:Nature chemical biology
pub_type: 杂志文章
doi:10.1038/nchembio.2132
更新日期:2016-09-01 00:00:00
abstract::The catalytic versatility of cytochrome P450 monooxygenases is remarkable. Here, we present mechanistic and structural characterizations of TleB from Streptomyces blastmyceticus and its homolog HinD from Streptoalloteichus hindustanus, which catalyze unusual intramolecular C-N bond formation to generate indolactam V f...
journal_title:Nature chemical biology
pub_type: 杂志文章
doi:10.1038/s41589-019-0380-9
更新日期:2019-12-01 00:00:00
abstract::Hapalindole alkaloids are a structurally diverse class of cyanobacterial natural products defined by their varied polycyclic ring systems and diverse biological activities. These complex metabolites are generated from a common biosynthetic intermediate by the Stig cyclases in three mechanistic steps: a rare Cope rearr...
journal_title:Nature chemical biology
pub_type: 杂志文章
doi:10.1038/s41589-018-0003-x
更新日期:2018-04-01 00:00:00
abstract::To maximize a desired product, metabolic engineers typically express enzymes to high, constant levels. Yet, permanent pathway activation can have undesirable consequences including competition with essential pathways and accumulation of toxic intermediates. Faced with similar challenges, natural metabolic systems comp...
journal_title:Nature chemical biology
pub_type: 杂志文章
doi:10.1038/s41589-019-0284-8
更新日期:2019-06-01 00:00:00
abstract::Naphthalene (1) and para-dichlorobenzene (PDCB, 2), which are widely used as moth repellents and air fresheners, cause cancer in rodents and are potential human carcinogens. However, their mechanisms of action remain unclear. Here we describe a novel method for delivering and screening hydrophobic chemicals in C. eleg...
journal_title:Nature chemical biology
pub_type: 杂志文章
doi:10.1038/nchembio791
更新日期:2006-06-01 00:00:00
abstract:: ...
journal_title:Nature chemical biology
pub_type: 评论,杂志文章
doi:10.1038/s41589-018-0073-9
更新日期:2018-06-01 00:00:00
abstract::Although metabolic networks have been reconstructed on a genome scale, the corresponding reconstruction and integration of governing transcriptional regulatory networks has not been fully achieved. Here we reconstruct such an integrated network for amino acid metabolism in Escherichia coli. Analysis of ChIP-chip and g...
journal_title:Nature chemical biology
pub_type: 杂志文章
doi:10.1038/nchembio.710
更新日期:2011-11-13 00:00:00
abstract::Linking bioactive compounds to their cellular targets is a central challenge in chemical biology. Here we report the mode of action of theonellamides, bicyclic peptides derived from marine sponges. We generated a chemical-genomic profile of theonellamide F using a collection of fission yeast strains in which each open...
journal_title:Nature chemical biology
pub_type: 杂志文章
doi:10.1038/nchembio.387
更新日期:2010-07-01 00:00:00
abstract::Cyclin-dependent kinase 9 (CDK9), an important regulator of transcriptional elongation, is a promising target for cancer therapy, particularly for cancers driven by transcriptional dysregulation. We characterized NVP-2, a selective ATP-competitive CDK9 inhibitor, and THAL-SNS-032, a selective CDK9 degrader consisting ...
journal_title:Nature chemical biology
pub_type: 杂志文章
doi:10.1038/nchembio.2538
更新日期:2018-02-01 00:00:00
abstract::The structure-specific nuclease human flap endonuclease-1 (hFEN1) plays a key role in DNA replication and repair and may be of interest as an oncology target. We present the crystal structure of inhibitor-bound hFEN1, which shows a cyclic N-hydroxyurea bound in the active site coordinated to two magnesium ions. Three ...
journal_title:Nature chemical biology
pub_type: 杂志文章
doi:10.1038/nchembio.2148
更新日期:2016-10-01 00:00:00
abstract::MicroRNAs are evolutionarily conserved small, noncoding RNAs that regulate diverse biological processes. Due to their essential regulatory roles, microRNA biogenesis is tightly regulated, where protein factors are often found to interact with specific primary and precursor microRNAs for regulation. Here, using NMR rel...
journal_title:Nature chemical biology
pub_type: 杂志文章
doi:10.1038/s41589-020-00667-5
更新日期:2021-01-01 00:00:00