Biochemical evidence for diverse strategies in the inner kinetochore.

abstract：:Biomarkers for amyotrophic lateral sclerosis/motor neuron disease (ALS/MND) are currently not clinically available for disease diagnosis or analysis of disease progression. If identified, biomarkers could improve patient outcomes by enabling early intervention and assist in the determination of treatment efficacy. We ...

journal_title：Open biology

authors： Banack SA,Dunlop RA,Cox PA

更新日期：2020-06-01 00:00:00

abstract：:During the first cell-fate decision of mouse preimplantation embryo development, a population of outer-residing polar cells is segregated from a second population of inner apolar cells to form two distinct cell lineages: the trophectoderm and the inner cell mass (ICM), respectively. Historically, two models have been ...

journal_title：Open biology

authors： Mihajlović AI,Bruce AW

更新日期：2017-11-01 00:00:00

abstract：:Proteins adopt defined structures and are crucial to most cellular functions. Their misfolding and aggregation is associated with numerous degenerative human disorders such as type II diabetes, Huntington's or Alzheimer's diseases. Here, we aim to understand why cells promote the formation of protein foci. Comparison ...

journal_title：Open biology

authors： Sanchez de Groot N,Gomes RA,Villar-Pique A,Babu MM,Coelho AV,Ventura S

更新日期：2015-02-01 00:00:00

abstract：:The first meeting exclusively dedicated to the 'High-throughput dense reconstruction of cell lineages' took place at Janelia Research Campus (Howard Hughes Medical Institute) from 14 to 18 April 2019. Organized by Tzumin Lee, Connie Cepko, Jorge Garcia-Marques and Isabel Espinosa-Medina, this meeting echoed the recent...

journal_title：Open biology

authors： Espinosa-Medina I,Garcia-Marques J,Cepko C,Lee T

更新日期：2019-12-01 00:00:00

abstract：:Membrane-associated histidine kinases (HKs) in two-component systems respond to environmental stimuli by autophosphorylation and phospho-transfer. HK typically contains a periplasmic sensor domain that regulates the cytoplasmic kinase domain through a conserved cytoplasmic linker. How signal is transduced from the lig...

journal_title：Open biology

authors： Liu J,Yang J,Wen J,Yang Y,Wei X,Zhang X,Wang YP

更新日期：2014-06-01 00:00:00

abstract：:RNA interference (RNAi) in insects is routinely used to ascertain gene function, but also has potential as a technology to control pest species. For some insects, such as beetles, ingestion of small quantities of double-stranded RNA (dsRNA) is able to knock down a targeted gene's expression. However, in other species,...

journal_title：Open biology

authors： Tayler A,Heschuk D,Giesbrecht D,Park JY,Whyard S

更新日期：2019-12-01 00:00:00

abstract：:At least 150 human proteins are glycosylphosphatidylinositol-anchored proteins (GPI-APs). The protein moiety of GPI-APs lacking transmembrane domains is anchored to the plasma membrane with GPI covalently attached to the C-terminus. The GPI consists of the conserved core glycan, phosphatidylinositol and glycan side ch...

journal_title：Open biology

authors： Kinoshita T

更新日期：2020-03-01 00:00:00

abstract：:The presence of foetal DNA in the plasma of pregnant women has opened up new possibilities for non-invasive prenatal diagnosis. The use of circulating foetal DNA for the non-invasive prenatal detection of foetal chromosomal aneuploidies is challenging as foetal DNA represents a minor fraction of maternal plasma DNA. I...

journal_title：Open biology

authors： Lo YM

更新日期：2012-06-01 00:00:00

abstract：:Skeletal vasculature plays a central role in the maintenance of microenvironments for osteogenesis and haematopoiesis. In addition to supplying oxygen and nutrients, vasculature provides a number of inductive factors termed as angiocrine signals. Blood vessels drive recruitment of osteoblast precursors and bone format...

journal_title：Open biology

authors： Sivan U,De Angelis J,Kusumbe AP

更新日期：2019-10-31 00:00:00

abstract：:Following thymic output, αβ⁺CD4⁺ T cells become activated in the periphery when they encounter peptide-major histocompatibility complex. A combination of cytokine and co-stimulatory signals instructs the differentiation of T cells into various lineages and subsequent expansion and contraction during an appropriate and...

journal_title：Open biology

authors： Coomes SM,Pelly VS,Wilson MS

更新日期：2013-01-23 00:00:00

abstract：:Mitochondrial dysfunction has been associated with various diseases, such as cancer, myopathies, neurodegeneration and obesity. Mitochondrial homoeostasis is achieved by mechanisms that adapt the number of mitochondria to that required for energy production and for the supply of metabolic intermediates necessary to su...

journal_title：Open biology

authors： Groenewoud MJ,Zwartkruis FJ

更新日期：2013-12-18 00:00:00

abstract：:The hallmark of high-risk human papillomavirus (HR-HPV)-related carcinogenesis is E6 and E7 oncogene overexpression. The aim of this work was to characterize epithelial oral and cervical cancer cells that express HR-HPV E6 and E7 oncoproteins. Transcriptomic assay using DNA microarrays revealed that PIR gene expressio...

journal_title：Open biology

authors： Carrillo D,Muñoz JP,Huerta H,Leal G,Corvalán A,León O,Calaf GM,Urzúa U,Boccardo E,Tapia JC,Aguayo F

更新日期：2017-11-01 00:00:00

abstract：:Indirect flight muscles (IFMs) in adult Drosophila provide the key power stroke for wing beating. They also serve as a valuable model for studying muscle development. An age-dependent decline in Drosophila free flight has been documented, but its relation to gross muscle structure has not yet been explored satisfactor...

journal_title：Open biology

authors： Chaturvedi D,Prabhakar S,Aggarwal A,Atreya KB,VijayRaghavan K

更新日期：2019-06-28 00:00:00

abstract：:In eukaryotic cells, about one-third of the synthesized proteins are translocated into the endoplasmic reticulum; they are membrane or lumen resident proteins and proteins direct to the Golgi apparatus. The co-translational translocation takes place through the heterotrimeric protein-conducting channel Sec61 which is ...

journal_title：Open biology

authors： Russo A

更新日期：2020-05-01 00:00:00

abstract：:Vitamin B₁₂-dependent enzymes function in core biochemical pathways in Mycobacterium tuberculosis, an obligate pathogen whose metabolism in vivo is poorly understood. Although M. tuberculosis can access vitamin B₁₂ in vitro, it is uncertain whether the organism is able to scavenge B₁₂ during host infection. This quest...

journal_title：Open biology

authors： Gopinath K,Venclovas C,Ioerger TR,Sacchettini JC,McKinney JD,Mizrahi V,Warner DF

更新日期：2013-02-13 00:00:00

abstract：:Pigment-Dispersing Factor (PDF) is an important neuropeptide in the brain circadian network of Drosophila and other insects, but its role in bees in which the circadian clock influences complex behaviour is not well understood. We combined high-resolution neuroanatomical characterizations, quantification of PDF levels...

journal_title：Open biology

authors： Beer K,Kolbe E,Kahana NB,Yayon N,Weiss R,Menegazzi P,Bloch G,Helfrich-Förster C

更新日期：2018-01-01 00:00:00

abstract：:ThyX is an essential thymidylate synthase that is mechanistically and structurally unrelated to the functionally analogous human enzyme, thus providing means for selective inhibition of bacterial growth. To identify novel compounds with anti-bacterial activity against the human pathogenic bacterium Helicobacter pylori...

journal_title：Open biology

authors： Skouloubris S,Djaout K,Lamarre I,Lambry JC,Anger K,Briffotaux J,Liebl U,de Reuse H,Myllykallio H

更新日期：2015-06-01 00:00:00

abstract：:Genetic material can be transmitted not only vertically from parent to offspring, but also laterally (horizontally) from one bacterial lineage to another. Lateral genetic transfer is non-uniform; biases in its nature or frequency construct communities of genetic exchange. These biases have been proposed to arise from ...

journal_title：Open biology

authors： Skippington E,Ragan MA

更新日期：2012-09-01 00:00:00

abstract：:The Parkinson's disease (PD) gene, PARK6, encodes the PTEN-induced putative kinase 1 (PINK1) mitochondrial kinase, which provides protection against oxidative stress-induced apoptosis. Given the link between glucose metabolism, mitochondrial function and insulin secretion in β-cells, and the reported association of PD...

journal_title：Open biology

authors： Deas E,Piipari K,Machhada A,Li A,Gutierrez-del-Arroyo A,Withers DJ,Wood NW,Abramov AY

更新日期：2014-05-07 00:00:00

abstract：:Heterochromatin plays important roles in eukaryotic genome regulation. However, the repressive nature of heterochromatin combined with its propensity to self-propagate necessitates robust mechanisms to contain heterochromatin within defined boundaries and thus prevent silencing of expressed genes. Here we show that lo...

journal_title：Open biology

authors： Verrier L,Taglini F,Barrales RR,Webb S,Urano T,Braun S,Bayne EH

更新日期：2015-05-01 00:00:00

abstract：:Mycobacterium tuberculosis (Mtb), the aetiological agent of tuberculosis, has evolved to scavenge nutrients from the confined environment of host macrophages with mycobacterial ATP-binding cassette (ABC) transporters playing a key role in nutrient acquisition. Mtb-UspC (Rv2318) is the solute-binding protein of the ess...

journal_title：Open biology

authors： Fullam E,Prokes I,Fütterer K,Besra GS

更新日期：2016-06-01 00:00:00

abstract：:Chronic Trypanosoma cruzi infections are typically lifelong, with small numbers of parasites surviving in restricted tissue sites, which include the gastrointestinal tract. There is considerable debate about the replicative status of these persistent parasites and whether there is a role for dormancy in long-term infe...

journal_title：Open biology

authors： Ward AI,Olmo F,Atherton RL,Taylor MC,Kelly JM

更新日期：2020-12-01 00:00:00

abstract：:Somatostatin (SS) and allatostatin-C (ASTC) are structurally and evolutionarily related neuropeptides that act as inhibitory regulators of physiological processes in mammals and insects, respectively. Here, we report the first molecular and functional characterization of SS/ASTC-type signalling in a deuterostome inver...

journal_title：Open biology

authors： Zhang Y,Yañez Guerra LA,Egertová M,Zampronio CG,Jones AM,Elphick MR

更新日期：2020-09-01 00:00:00

abstract：:How a single genome can give rise to distinct cell types remains a fundamental question in biology. Mammals are able to specify and maintain hundreds of cell fates by selectively activating unique subsets of their genome. This is achieved, in part, by enhancers-genetic elements that can increase transcription of both ...

journal_title：Open biology

authors： Tafessu A,Banaszynski LA

更新日期：2020-10-01 00:00:00

abstract：:Wnts are a highly conserved family of secreted glycoproteins that play essential roles in the morphogenesis and body patterning during the development of metazoan species. In recent years, mounting evidence has revealed important functions of Wnt signalling in diverse aspects of neural development, including neuronal ...

journal_title：Open biology

authors： He CW,Liao CP,Pan CL

更新日期：2018-10-03 00:00:00

abstract：:Unlike most bacteria, mycobacteria rely on the multi-domain enzyme eukaryote-like fatty acid synthase I (FAS I) to make fatty acids de novo. These metabolites are precursors of the biosynthesis of most of the lipids present both in the complex mycobacteria cell wall and in the storage lipids inside the cell. In order ...

journal_title：Open biology

authors： Cabruja M,Mondino S,Tsai YT,Lara J,Gramajo H,Gago G

更新日期：2017-02-01 00:00:00

abstract：:Ubiquitination is a versatile post-translational modification that regulates a multitude of cellular processes. Its versatility is based on the ability of ubiquitin to form multiple types of polyubiquitin chains, which are recognized by specific ubiquitin receptors to induce the required cellular response. Linear ubiq...

journal_title：Open biology

authors： Rittinger K,Ikeda F

更新日期：2017-04-01 00:00:00

abstract：:Synaptic vesicle exocytosis relies on the tethering of release ready vesicles close to voltage-gated Ca2+ channels and specific lipids at the future site of fusion. This enables rapid and efficient neurotransmitter secretion during presynaptic depolarization by an action potential. Extensive research has revealed that...

journal_title：Open biology

authors： Held RG,Kaeser PS

更新日期：2018-02-01 00:00:00

abstract：:Vertebrate NCoR-family co-repressors play central roles in the timing of embryo and stem cell differentiation by repressing the activity of a range of transcription factors. They interact with nuclear receptors using short linear motifs (SLiMs) termed co-repressor for nuclear receptor (CoRNR) boxes. Here, we identify ...

journal_title：Open biology

authors： Short S,Peterkin T,Guille M,Patient R,Sharpe C

更新日期：2015-08-01 00:00:00

abstract：:Typical centrioles are made of microtubules organized in ninefold symmetry. Most animal somatic cells have two centrioles for normal cell division and function. These centrioles originate from the zygote, but because the oocyte does not provide any centrioles, it is surprising that the zygotes of many animals are thou...

journal_title：Open biology

authors： Fishman EL,Jo K,Ha A,Royfman R,Zinn A,Krishnamurthy M,Avidor-Reiss T

更新日期：2017-03-01 00:00:00