Current understanding of plant Polycomb group proteins and the repressive histone H3 Lysine 27 trimethylation.

abstract：:It is generally taken as an established fact that mitochondrial respiration is associated with the generation of small amounts of ROS (reactive oxygen species). There are many arguments supporting this side activity. A major argument is the particular physico-chemical configuration of dioxygen, which prevents the tran...

journal_title：Biochemical Society transactions

authors： Nohl H,Kozlov AV,Gille L,Staniek K

更新日期：2003-12-01 00:00:00

abstract：:To maintain genomic stability, despite constant exposure to agents that damage DNA, eukaryotic cells have developed elaborate and highly conserved pathways of DNA damage sensing, signalling and repair. In this review, we concentrate mainly on what we know about DNA damage sensing with particular reference to Lcd1p, a ...

journal_title：Biochemical Society transactions

authors： Bradbury JM,Jackson SP

更新日期：2003-02-01 00:00:00

abstract：:Ribonucleic acids are driving a multitude of biological processes where they act alone or in complex with proteins (ribonucleoproteins, RNP). To understand these processes both structural and mechanistic information about RNA is necessary. Due to their conformational plasticity RNA pose a challenge for mainstream stru...

journal_title：Biochemical Society transactions

authors： Sreemantula AK,Marchanka A

更新日期：2020-06-30 00:00:00

abstract：:The calcium-sensing receptor is a multimodal, multimetabolic sensor that mediates the feedback-dependent control of whole body calcium metabolism. Remarkably, in addition to its role in Ca(2+)(o) (extracellular Ca(2+)) sensing, the CaR (Ca(2+)-sensing receptor) also responds to L-amino acids. L-amino acids appear to a...

journal_title：Biochemical Society transactions

authors： Conigrave AD,Mun HC,Brennan SC

更新日期：2007-11-01 00:00:00

abstract：:Modulation of traits beneficial for cultivation and yield is one of the main goals of crop improvement. One of the targets for enhancing productivity is changing the architecture of inflorescences since in many species it determines fruit and seed yield. Inflorescence shape and organization is genetically established ...

journal_title：Biochemical Society transactions

authors： Caselli F,Zanarello F,Kater MM,Battaglia R,Gregis V

更新日期：2020-06-30 00:00:00

abstract：:Growth and differentiation factor-5 (GDF-5) is a divergent member of the transforming growth factor-beta/bone morphogenetic protein (BMP) superfamily that is required for proper skeletal patterning and development in the vertebrate limb. Based on the homology of GDF-5 with other bone-inducing BMP family members, the i...

journal_title：Biochemical Society transactions

authors： Spiro RC,Liu L,Heidaran MA,Thompson AY,Ng CK,Pohl J,Poser JW

更新日期：2000-01-01 00:00:00

abstract：:The formation of the translation initiation complex represents the rate-limiting step in protein synthesis. Translation initiation in the crenarchaeon Sulfolobus solfataricus depends on several translation IFs (initiation factors), some of which have eukaryal but no bacterial counterparts. In the present paper, we rev...

journal_title：Biochemical Society transactions

authors： La Teana A,Benelli D,Londei P,Bläsi U

更新日期：2013-02-01 00:00:00

abstract：:Here, I review three new structural studies from our laboratory. First, the crystal structure of RNA polymerase (Pol) II in complex with an RNA inhibitor revealed that this RNA blocks transcription initiation by preventing DNA loading into the active-centre cleft. Secondly, the structure of the SRI (Set2 Rpb1-interact...

journal_title：Biochemical Society transactions

authors： Cramer P

更新日期：2006-12-01 00:00:00

abstract：:The phototrophic bacterium Rhodobacter capsulatus E1F1 assimilates nitrate under anaerobic phototrophic growth conditions. A 17 kb DNA region encoding the nitrate assimilation (nas) system of this bacterium has been cloned and sequenced. This region includes the genes coding for a putative ABC (ATP-binding cassette)-t...

journal_title：Biochemical Society transactions

authors： Pino C,Olmo-Mira F,Cabello P,Martínez-Luque M,Castillo F,Roldán MD,Moreno-Vivián C

更新日期：2006-02-01 00:00:00

abstract：:PLUNC (palate, lung and nasal epithelium clone) is a small, secreted protein that is expressed in the oropharynx and upper airways of humans, mice and rats. We have described a family of at least 14 PLUNC genes localized on chromosome 20 (in humans), 2 (in mice) or 3 (in rats). These rapidly evolving proteins are stru...

journal_title：Biochemical Society transactions

authors： Bingle CD,Craven CJ

更新日期：2003-08-01 00:00:00

abstract：:Starting shortly after parturition, and continuing throughout our lifetime, the gut microbiota coevolves with our metabolic and neurological programming. This symbiosis is regulated by a complex interplay between the host and environmental factors, including diet and lifestyle. Not surprisingly, the development of thi...

journal_title：Biochemical Society transactions

authors： Chambers SA,Townsend SD

更新日期：2020-06-29 00:00:00

abstract：:Recent progress in understanding the plant NE (nuclear envelope) has resulted from significant advances in identifying and characterizing the protein constituents of the membranes and nuclear pores. Here, we review recent findings on the membrane integral and membrane-associated proteins of the key domains of the NE, ...

journal_title：Biochemical Society transactions

authors： Graumann K,Evans DE

更新日期：2010-02-01 00:00:00

abstract：:Molecular dynamics simulations may be used to probe the interactions of membrane proteins with lipids and with detergents at atomic resolution. Examples of such simulations for ion channels and for bacterial outer membrane proteins are described. Comparison of simulations of KcsA (an alpha-helical bundle) and OmpA (a ...

journal_title：Biochemical Society transactions

authors： Sansom MS,Bond PJ,Deol SS,Grottesi A,Haider S,Sands ZA

更新日期：2005-11-01 00:00:00

abstract：:Most of the effects of the signalling molecule nitric oxide (NO) are mediated by the stimulation of the NO-sensitive GC (guanylate cyclase) and the subsequent increase in cGMP formation. The enzyme contains a prosthetic haem group, which mediates NO stimulation. In addition to the physiological activator NO, NO-sensit...

journal_title：Biochemical Society transactions

authors： Koesling D,Mullershausen F,Lange A,Friebe A,Mergia E,Wagner C,Russwurm M

更新日期：2005-11-01 00:00:00

abstract：:Muscles are responsible for generating the forces required for the movement of multicellular organisms. Microscopically, these forces arise as a consequence of motor proteins (myosin) pulling and sliding along actin filaments. Current knowledge states that the molecular forces between actin and myosin are linear in na...

journal_title：Biochemical Society transactions

authors： Nielsen BG

更新日期：2004-11-01 00:00:00

abstract：:The ribosome translates the genetic information of an mRNA molecule into a sequence of amino acids. The ribosome utilizes tRNAs to connect elements of the RNA and protein worlds during protein synthesis, i.e. an anticodon as a unit of genetic information with the corresponding amino acid as a building unit of proteins...

journal_title：Biochemical Society transactions

authors： Márquez V,Wilson DN,Nierhaus KH

更新日期：2002-04-01 00:00:00

abstract：:The Cdc (cell division cycle) 45 protein has a central role in the regulation of the initiation and elongation stages of eukaryotic chromosomal DNA replication. In addition, it is the main target for a Chk1 (checkpoint kinase 1)-dependent Cdc25/CDK2 (cyclin-dependent kinase 2)-independent DNA damage checkpoint signal ...

journal_title：Biochemical Society transactions

authors： Broderick R,Nasheuer HP

更新日期：2009-08-01 00:00:00

abstract：:Higher eukaryotes rely on AS (alternative splicing) of pre-mRNAs (mRNA precursors) to generate more than one protein product from a single gene and to regulate mRNA stability and translational activity. An important example of the latter function involves an interplay between AS and NMD (nonsense-mediated decay), a cy...

journal_title：Biochemical Society transactions

authors： Hamid FM,Makeyev EV

更新日期：2014-08-01 00:00:00

abstract：:In plants, the spatial arrangement of cells within tissues and organs is a direct consequence of the positioning of the new cell walls during cell division. Since the nineteenth century, scientists have proposed rules to explain the orientation of plant cell divisions. Most of these rules predict the new wall will fol...

journal_title：Biochemical Society transactions

authors： Serra L,Robinson S

更新日期：2020-12-18 00:00:00

abstract：:PET (pre-eclamptic toxaemia), characterized by pregnancy-related hypertension and proteinuria, due to widespread endothelial dysfunction, is a primary cause of maternal morbidity. Altered circulating factors, particularly the VEGF (vascular endothelial growth factor) family of proteins and their receptors, are thought...

journal_title：Biochemical Society transactions

authors： Bates DO

更新日期：2011-12-01 00:00:00

abstract：:Sister-chromatid cohesion, thought to be primarily mediated by the cohesin complex, is essential for chromosome segregation. The forces holding the two sisters resist the tendency of microtubules to prematurely pull sister DNAs apart and thereby prevent random segregation of the genome during mitosis, and consequent a...

journal_title：Biochemical Society transactions

authors： Oliveira RA,Nasmyth K

更新日期：2010-12-01 00:00:00

abstract：:In this study the network of ATP-consuming and -producing reactions, interacting via the cytosolic ATP/ADP+P(i) system, was studied for the first time in an intact organ, the isolated perfused rat liver, using top-down metabolic-control analysis. Flux control in the metabolically resting state (only oxidative phosphor...

journal_title：Biochemical Society transactions

authors： Soboll S,Brown GC

更新日期：2000-02-01 00:00:00

abstract：:Isolation and purification of the [NiFe] hydrogenase of Desulfovibrio vulgaris Miyazaki F under aerobic conditions leads to a mixture of two states, Ni-A (unready) and Ni-B (ready). The two states are distinguished by different activation times and different EPR spectra. HYSCORE and ENDOR data and DFT calculations sho...

journal_title：Biochemical Society transactions

authors： van Gastel M,Fichtner C,Neese F,Lubitz W

更新日期：2005-02-01 00:00:00

abstract：:The mRNA coding for FGF-2 (fibroblast growth factor 2), a major angiogenic factor, is translated by an IRES (internal ribosome entry site)-dependent mechanism. We have studied the role of the IRES in the regulation of FGF-2 expression in vivo, under pathophysiological conditions, by creating transgenic mice lines expr...

journal_title：Biochemical Society transactions

authors： Gonzalez-Herrera IG,Prado-Lourenco L,Teshima-Kondo S,Kondo K,Cabon F,Arnal JF,Bayard F,Prats AC

更新日期：2006-02-01 00:00:00

abstract：:The formation of complexes between growth factor receptors and members of a family of G-protein-coupled receptors whose natural ligands are S1P (sphingosine 1-phosphate) and LPA (lysophosphatidic acid) represents a new signalling entity. This receptor complex allows for integrated signalling in response to growth fact...

journal_title：Biochemical Society transactions

authors： Pyne NJ,Waters C,Moughal NA,Sambi BS,Pyne S

更新日期：2003-12-01 00:00:00

abstract：:In interphase plant cells, the actin cytoskeleton is essential for intracellular transport and organization. To fully understand how the actin cytoskeleton functions as the structural basis for cytoplasmic organization, both molecular and physical aspects of the actin organization have to be considered. In the present...

journal_title：Biochemical Society transactions

authors： Ketelaar T,van der Honing HS,Emons AM

更新日期：2010-06-01 00:00:00

abstract：:Many microalgae are known to accumulate triacylglycerols (TAGs), especially under nitrate starvation. Generally, these TAGs are predominantly constructed of saturated and monounsaturated fatty acids. In contrast, the TAGs of the red microalga Porphyridium cruentum are rich in arachidonic acid (AA, 20:4 omega6) and eic...

journal_title：Biochemical Society transactions

authors： Cohen Z,Khozin-Goldberg I,Adlerstein D,Bigogno C

更新日期：2000-12-01 00:00:00

abstract：:Lipids are key molecules for membranes, energy storage and signalling. I have been privileged to have worked in such a diverse field and in organisms from microbes to humans. Here I will describe some of those contrasting areas which range from environmental impacts to food production and on to human health. It has be...

journal_title：Biochemical Society transactions

authors： Harwood JL

更新日期：2017-04-15 00:00:00

abstract：:Single-molecule fluorescence methods, particularly single-molecule FRET (fluorescence resonance energy transfer), have provided novel insights into the structure, interactions and dynamics of biological systems. ALEX (alternating-laser excitation) spectroscopy is a new method that extends single-molecule FRET by provi...

journal_title：Biochemical Society transactions

authors： Santoso Y,Hwang LC,Le Reste L,Kapanidis AN

更新日期：2008-08-01 00:00:00

abstract：:Cardiac excitation-contraction coupling is initiated with the influx of Ca2+ ions across the plasma membrane through voltage-gated L-type calcium channels. This process is tightly regulated by modulation of the channel open probability and channel localization. Protein kinase A (PKA) is found in close association with...

journal_title：Biochemical Society transactions

authors： Pallien T,Klussmann E

更新日期：2020-02-28 00:00:00