abstract：BACKGROUND:Nucleostemin is a nucleolus residing GTPase that is considered to be an important cancer stem/progenitor cell marker protein due to its high expression levels in breast cancer stem cells and its role in tumor-initiation of human mammary tumor cells. It has been proposed that nucleostemin may represent a valu...

journal_title：BMC biology

authors： Tin AS,Park AH,Sundar SN,Firestone GL

更新日期：2014-09-12 00:00:00

abstract：BACKGROUND:Abnormalities in pyloric development or in contractile function of the pylorus cause reflux of duodenal contents into the stomach and increase the risk of gastric metaplasia and cancer. Abnormalities of the pyloric region are also linked to congenital defects such as the relatively common neonatal hypertroph...

journal_title：BMC biology

authors： Li Y,Pan J,Wei C,Chen J,Liu Y,Liu J,Zhang X,Evans SM,Cui Y,Cui S

更新日期：2014-03-27 00:00:00

abstract：BACKGROUND:The Drosophila abnormal wing discs (awd) belongs to a highly conserved family of genes implicated in metastasis suppression, metabolic homeostasis and epithelial morphogenesis. The cellular function of the mammalian members of this family, the Nm23 proteins, has not yet been clearly defined. Previous awd gen...

journal_title：BMC biology

authors： Ignesti M,Barraco M,Nallamothu G,Woolworth JA,Duchi S,Gargiulo G,Cavaliere V,Hsu T

更新日期：2014-02-14 00:00:00

abstract：BACKGROUND:Reciprocal interactions between lung mesenchymal and epithelial cells play essential roles in lung organogenesis and homeostasis. Although the molecular markers and related animal models that target lung epithelial cells are relatively well studied, molecular markers of lung mesenchymal cells and the genetic...

journal_title：BMC biology

authors： Zhang W,Menke DB,Jiang M,Chen H,Warburton D,Turcatel G,Lu CH,Xu W,Luo Y,Shi W

更新日期：2013-11-13 00:00:00

abstract：BACKGROUND:The next big challenge in human genetics is understanding the 98% of the genome that comprises non-coding DNA. Hidden in this DNA are sequences critical for gene regulation, and new experimental strategies are needed to understand the functional role of gene-regulation sequences in health and disease. In thi...

journal_title：BMC biology

authors： Schmouth JF,Castellarin M,Laprise S,Banks KG,Bonaguro RJ,McInerny SC,Borretta L,Amirabbasi M,Korecki AJ,Portales-Casamar E,Wilson G,Dreolini L,Jones SJ,Wasserman WW,Goldowitz D,Holt RA,Simpson EM

更新日期：2013-10-14 00:00:00

abstract：:The new field of viral dynamics, based on within-host modeling of viral infections, began with models of human immunodeficiency virus (HIV), but now includes many viral infections. Here we review developments in HIV modeling, emphasizing quantitative findings about HIV biology uncovered by studying acute infection, th...

journal_title：BMC biology

authors： Perelson AS,Ribeiro RM

更新日期：2013-09-03 00:00:00

abstract：BACKGROUND:Analyzing and understanding the relationship between genotypes and phenotypes is at the heart of genetics. Research on the nematode Caenorhabditis elegans has been instrumental for unraveling genotype-phenotype relations, and has important implications for understanding the biology of mammals, but almost all...

journal_title：BMC biology

authors： Volkers RJ,Snoek LB,Hubar CJ,Coopman R,Chen W,Yang W,Sterken MG,Schulenburg H,Braeckman BP,Kammenga JE

更新日期：2013-08-19 00:00:00

abstract：BACKGROUND:In HIV-1-infected human monocyte-derived macrophages (MDMs), virus particles assemble primarily on intracellularly sequestered plasma membrane domains termed intracellular plasma membrane-connected compartments (IPMCs). Despite their clear role in virus formation, little is known of the organization, composi...

journal_title：BMC biology

authors： Mlcochova P,Pelchen-Matthews A,Marsh M

更新日期：2013-08-02 00:00:00

abstract：BACKGROUND:Thiazolidinediones are antidiabetic agents that increase insulin sensitivity but reduce glucose oxidation, state 3 respiration, and activity of complex I of the mitochondrial respiratory chain (MRC). The mechanisms of the latter effects are unclear. The aim of this study was to determine the mechanisms by wh...

journal_title：BMC biology

authors： García-Ruiz I,Solís-Muñoz P,Fernández-Moreira D,Muñoz-Yagüe T,Solís-Herruzo JA

更新日期：2013-08-01 00:00:00

abstract：:The vertebrate nervous system is deeply divided into 'somatic' and 'visceral' subsystems that respond to external and internal stimuli, respectively. Molecular characterization of neurons in different groups of mollusks by Nomaksteinsky and colleagues, published in this issue of BMC Biology, reveals that the viscero-s...

journal_title：BMC biology

authors： Bertucci P,Arendt D

更新日期：2013-04-30 00:00:00

abstract：BACKGROUND:The pituitary gland is formed by the juxtaposition of two tissues: neuroectoderm arising from the basal diencephalon, and oral epithelium, which invaginates towards the central nervous system from the roof of the mouth. The oral invagination that reaches the brain from the mouth is referred to as Rathke's po...

journal_title：BMC biology

authors： Khonsari RH,Seppala M,Pradel A,Dutel H,Clément G,Lebedev O,Ghafoor S,Rothova M,Tucker A,Maisey JG,Fan CM,Kawasaki M,Ohazama A,Tafforeau P,Franco B,Helms J,Haycraft CJ,David A,Janvier P,Cobourne MT,Sharpe PT

更新日期：2013-03-28 00:00:00

abstract：BACKGROUND:Drosophila melanogaster has served as a powerful model system for genetic studies of courtship songs. To accelerate research on the genetic and neural mechanisms underlying courtship song, we have developed a sensitive recording system to simultaneously capture the acoustic signals from 32 separate pairs of ...

journal_title：BMC biology

authors： Arthur BJ,Sunayama-Morita T,Coen P,Murthy M,Stern DL

更新日期：2013-01-31 00:00:00

abstract：BACKGROUND:Conditional gene knockout (cKO) mediated by the Cre/LoxP system is indispensable for exploring gene functions in mice. However, a major limitation of this method is that gene KO is not reversible. A number of methods have been developed to overcome this, but each method has its own limitations. RESULTS:We d...

journal_title：BMC biology

authors： Chaiyachati BH,Kaundal RK,Zhao J,Wu J,Flavell R,Chi T

更新日期：2012-11-30 00:00:00

abstract：BACKGROUND:Seed plants are composed of angiosperms and gymnosperms, which diverged from each other around 300 million years ago. While much light has been shed on the mechanisms and rate of genome evolution in flowering plants, such knowledge remains conspicuously meagre for the gymnosperms. Conifers are key representa...

journal_title：BMC biology

authors： Pavy N,Pelgas B,Laroche J,Rigault P,Isabel N,Bousquet J

更新日期：2012-10-26 00:00:00

abstract：BACKGROUND:Although a variety of animals have been used to produce polyclonal antibodies against antigens, the production of antigen-specific monoclonal antibodies from animals remains challenging. RESULTS:We propose a simple and rapid strategy to produce monoclonal antibodies from a variety of animals. By staining ly...

journal_title：BMC biology

authors： Kurosawa N,Yoshioka M,Fujimoto R,Yamagishi F,Isobe M

更新日期：2012-09-28 00:00:00

abstract：:Chemosensory receptor genes encode G protein-coupled receptors with which animals sense their chemical environment. The large number of chemosensory receptor genes in the genome and their extreme genetic variability pose unusual challenges for understanding their evolution and function. Two articles in BMC Genomics ex...

journal_title：BMC biology

authors： Keller A

更新日期：2012-08-21 00:00:00

abstract：:In the ubiquitin-proteasome system, a subset of ubiquitylated proteins requires the AAA+ ATPase p97 (also known as VCP or Cdc48) for extraction from membranes or protein complexes before delivery to the proteasome for degradation. Diverse ubiquitin adapters are known to link p97 to its client proteins, but two recent ...

journal_title：BMC biology

authors： Meyer H

更新日期：2012-06-13 00:00:00

abstract：:The evolution of plastids from cyanobacteria is believed to represent a singularity in the history of life. The enigmatic amoeba Paulinella and its 'recently' acquired photosynthetic inclusions provide a fascinating system through which to gain fresh insight into how endosymbionts become organelles.The plastids, or ch...

journal_title：BMC biology

authors： Nakayama T,Archibald JM

更新日期：2012-04-24 00:00:00

abstract：:Protein conformational dynamics simultaneously allow promiscuity and specificity in binding. The multiple conformations of the free EphA4 ligand-binding domain observed in two new EphA4 crystal structures provide a unique insight into the conformational dynamics of EphA4 and its signaling pathways. The heterogeneous e...

journal_title：BMC biology

authors： Nussinov R,Ma B

更新日期：2012-01-25 00:00:00

abstract：:The close association between hematopoietic and endothelial cells during embryonic development led to the proposal that they may originate from a common ancestor--the hemangioblast. Due to a lack of unique specific markers for in vivo cell fate tracking studies, evidence supporting this theory derives mainly from in v...

journal_title：BMC biology

authors： Gordon-Keylock S,Medvinsky A

更新日期：2011-12-28 00:00:00

abstract：:This review discusses the many roles atomistic computer simulations of macromolecular (for example, protein) receptors and their associated small-molecule ligands can play in drug discovery, including the identification of cryptic or allosteric binding sites, the enhancement of traditional virtual-screening methodolog...

journal_title：BMC biology

authors： Durrant JD,McCammon JA

更新日期：2011-10-28 00:00:00

abstract：:Current interest in proteasome inhibitors for cancer therapy has stimulated considerable research efforts to identify the molecular pathway to their cytotoxicity with a view to identifying the mechanisms of sensitivity and resistance as well as informing the development of new drugs. Zhao and Vuori describe this month...

journal_title：BMC biology

authors： Chauhan D,Anderson KC

更新日期：2011-10-28 00:00:00

abstract：:The elevated metabolic requirements of cancer cells reflect their rapid growth and proliferation and are met through mutations in oncogenes and tumor suppressor genes that reprogram cellular processes. For example, in tuberous sclerosis complex (TSC)-related tumors, the loss of TSC1/2 function causes constitutive mTOR...

journal_title：BMC biology

authors： Csibi A,Blenis J

更新日期：2011-10-21 00:00:00

abstract：:Cells are highly complex and orderly machines, with defined shapes and a startling variety of internal organizations. Complex geometry is a feature of both free-living unicellular organisms and cells inside multicellular animals. Where does the geometry of a cell come from? Many of the same questions that arise in dev...

journal_title：BMC biology

authors： Marshall WF

更新日期：2011-08-31 00:00:00

abstract：:There are many reasons to be interested in stem cells, one of the most prominent being their potential use in finding better drugs to treat human disease. This article focuses on how this may be implemented. Recent advances in the production of reprogrammed adult cells and their regulated differentiation to disease-re...

journal_title：BMC biology

authors： Rubin LL,Haston KM

更新日期：2011-06-07 00:00:00

abstract：BACKGROUND:Autophagy mediates lysosomal degradation of cytosolic components. Recent work has associated autophagic dysfunction with pathologies, including cancer and cardiovascular disease. To date, the identification of clinically-applicable drugs that modulate autophagy has been hampered by the lack of standardized a...

journal_title：BMC biology

authors： Hundeshagen P,Hamacher-Brady A,Eils R,Brady NR

更新日期：2011-06-02 00:00:00

abstract：BACKGROUND:Gq is a heterotrimeric G protein that plays an important role in numerous physiological processes. To delineate the molecular mechanisms and kinetics of signalling through this protein, its activation should be measurable in single living cells. Recently, fluorescence resonance energy transfer (FRET) sensors...

journal_title：BMC biology

authors： Adjobo-Hermans MJ,Goedhart J,van Weeren L,Nijmeijer S,Manders EM,Offermanns S,Gadella TW Jr

更新日期：2011-05-27 00:00:00

abstract：BACKGROUND:Archaeological studies have revealed a series of cultural changes around the Last Glacial Maximum in East Asia; whether these changes left any signatures in the gene pool of East Asians remains poorly indicated. To achieve deeper insights into the demographic history of modern humans in East Asia around the ...

journal_title：BMC biology

authors： Peng MS,Palanichamy MG,Yao YG,Mitra B,Cheng YT,Zhao M,Liu J,Wang HW,Pan H,Wang WZ,Zhang AM,Zhang W,Wang D,Zou Y,Yang Y,Chaudhuri TK,Kong QP,Zhang YP

更新日期：2011-01-10 00:00:00

abstract：BACKGROUND:Whole genome duplication (WGD) is a special case of gene duplication, observed rarely in animals, whereby all genes duplicate simultaneously through polyploidisation. Two rounds of WGD (2R-WGD) occurred at the base of vertebrates, giving rise to an enormous wave of genetic novelty, but a systematic analysis ...

journal_title：BMC biology

authors： Huminiecki L,Heldin CH

更新日期：2010-12-13 00:00:00

abstract：BACKGROUND:Invariant natural killer T (iNKT) cells differ from other T cells by their hyperactive effector T-cell status, in addition to the expression of NK lineage receptors and semi-invariant T-cell receptors. It is generally agreed that the immune phenotype of iNKT cells is maintained by repeated activation in peri...

journal_title：BMC biology

authors： Zeng J,Howard JC

更新日期：2010-11-30 00:00:00

abstract：:The visual pathway is tasked with processing incoming signals from the retina and converting this information into adaptive behavior. Recent studies of the larval zebrafish tectum have begun to clarify how the 'micro-circuitry' of this highly organized midbrain structure filters visual input, which arrives in the supe...

journal_title：BMC biology

authors： Nevin LM,Robles E,Baier H,Scott EK

更新日期：2010-09-28 00:00:00

abstract：:A recent paper in BMC Structural Biology reports the crystal structure of human prolylcarboxypeptidase (PRCP), one of the two members of the S28 peptidase family. Comparison of the substrate-binding site of PRCP with that of its family partner, dipeptidyl dipeptidase 7 (DPP7), helps to explain the different enzymatic ...

journal_title：BMC biology

authors： Kozarich JW

更新日期：2010-06-28 00:00:00

abstract：:A recent report in BMC Biology on the discovery and analysis of biosynthetic genes for ribosomal peptide natural products confirms that these pathways are much more common and diverse than previously suspected, contributing substantially to the chemical arsenal employed by bacteria. See research article http://www.bio...

journal_title：BMC biology

authors： Schmidt EW

更新日期：2010-06-17 00:00:00

abstract：BACKGROUND:A new family of natural products has been described in which cysteine, serine and threonine from ribosomally-produced peptides are converted to thiazoles, oxazoles and methyloxazoles, respectively. These metabolites and their biosynthetic gene clusters are now referred to as thiazole/oxazole-modified microci...

journal_title：BMC biology

authors： Haft DH,Basu MK,Mitchell DA

更新日期：2010-05-25 00:00:00

abstract：:A recent paper published in BMC Genomics suggests that retrotransposition may be active in the human gut parasite Entamoeba histolytica. This adds to our knowledge of the various types of repetitive elements in parasitic protists and the potential influence of such elements on pathogenicity. ...

journal_title：BMC biology

authors： Clayton C

更新日期：2010-05-24 00:00:00

abstract：BACKGROUND:Phylostratigraphy is a method used to correlate the evolutionary origin of founder genes (that is, functional founder protein domains) of gene families with particular macroevolutionary transitions. It is based on a model of genome evolution that suggests that the origin of complex phenotypic innovations wil...

journal_title：BMC biology

authors： Domazet-Loso T,Tautz D

更新日期：2010-05-21 00:00:00

abstract：:The circadian clock enhances fitness through temporal organization of plant gene expression, metabolism and physiology. Two recent studies, one in BMC Evolutionary Biology, demonstrate through phylogenetic analysis of the CCA1/LHY and TOC1/PRR gene families that the common ancestor of monocots and eudicots had compone...

journal_title：BMC biology

authors： McClung CR

更新日期：2010-05-07 00:00:00

abstract：:Molecular interaction networks provide a window on the workings of the cell. However, combining various types of networks into one coherent large-scale dynamic model remains a formidable challenge. A recent paper in BMC Systems Biology describes a promising step in this direction. ...

journal_title：BMC biology

authors： Przytycka TM,Kim YA

更新日期：2010-04-28 00:00:00

abstract：:The mitogen-activated protein kinase p38 (p38 MAPK) is activated by a number of stresses. A recent study in BMC Genomics has uncovered the early transcriptional responses to three types of stress and has demonstrated a central role for p38 MAPK in mediating these responses. See research article http://www.biomedcentra...

journal_title：BMC biology

authors： Whitmarsh AJ

更新日期：2010-04-27 00:00:00

abstract：:The majority of convincingly documented cases of hybridization in angiosperms has involved genetic introgression between the parental species or formation of a hybrid species with increased ploidy; however, homoploid (diploid) hybridization may be just as common. Recent studies, including one in BMC Evolutionary Biolo...

journal_title：BMC biology

authors： Chase MW,Paun O,Fay MF

更新日期：2010-04-21 00:00:00