Chemotaxis and cell differentiation in Dictyostelium.

abstract：:The review highlights the dual role that the conserved master regulator FoxO has in aging by coordinating both stem cell proliferation and antimicrobial peptides, effector molecules of the innate immune system. As observed in non-senescent Hydra, continuously high activity of the transcription factor FoxO contributes ...

journal_title：Current opinion in microbiology

authors： Mortzfeld BM,Bosch TC

更新日期：2017-08-01 00:00:00

abstract：:The DNA-binding domains of eucaryotic GATA factors comprise a four-cysteine Zn finger and an adjacent basic region. Fungal GATA factors regulate nitrogen metabolism, light induction, siderophore biosynthesis and mating-type switching. Hydrophobic interactions determine binding-site specificity. Interactions with other...

journal_title：Current opinion in microbiology

authors： Scazzocchio C

更新日期：2000-04-01 00:00:00

abstract：:High throughput, deep sequencing assays are powerful tools for gaining insights into virus-host interactions. Sequencing assays can discover novel viruses and describe the genomes of novel and known viruses. Genomic information can predict viral proteins that can be characterized, describe important genes in the host ...

journal_title：Current opinion in microbiology

authors： Wylie KM,Weinstock GM,Storch GA

更新日期：2013-08-01 00:00:00

abstract：:DNA translocases play important roles during the bacterial cell cycle and in cell differentiation. Escherichia coli cells contain a multifunctional translocase, FtsK, which is involved in cell division, late steps of chromosome segregation and dimer resolution. In Gram-positive bacteria, the latter two processes are a...

journal_title：Current opinion in microbiology

authors： Kaimer C,Graumann PL

更新日期：2011-12-01 00:00:00

abstract：:Systems biology is a rapidly expanding field fuelled by the 'omics' era coupled to several new technological advances that have increased the precision of data obtainable, meaning that it is now feasible to obtain quantitative measurements from a single cell. The aim of systems biology is to understand the structure, ...

journal_title：Current opinion in microbiology

authors： Kay E,Wren BW

更新日期：2009-10-01 00:00:00

abstract：:The epithelial cell layer of the major organs of the mammalian gastrointestinal (GI) tract is extensively invaginated into thousands of gland and crypt structures. These are lined by distinct sets of epithelial cells and may comprise discrete niches. The host maximizes the distance between the epithelial cell layer an...

journal_title：Current opinion in microbiology

authors： Yang C,Ottemann KM

更新日期：2019-02-01 00:00:00

abstract：:The Gram-positive pathogen Staphylococcus aureus poses a serious risk to public health due to its prevalence as a commensal organism, its ability to cause a multitude of diseases, and the increasing incidence of antibiotic resistant strains. S. aureus infects diverse niches within vertebrates despite being challenged ...

journal_title：Current opinion in microbiology

authors： Hammer ND,Skaar EP

更新日期：2012-02-01 00:00:00

abstract：:Complete and long-lasting protective immunity against malaria can be achieved through vaccination with invasive live attenuated Plasmodium sporozoites, the motile stage inoculated in the host skin during a mosquito bite. Protective immunity relies primarily on effector CD8+ T cells targeting the parasite in the liver....

journal_title：Current opinion in microbiology

authors： Silvie O,Amino R,Hafalla JC

更新日期：2017-12-01 00:00:00

abstract：:In Gram-negative bacteria such as Escherichia coli the peptidoglycan sacculus resides in the periplasm, a compartment that experiences changes in pH value, osmolality, ion strength and other parameters depending on the cell's environment. Hence, the cell needs robust peptidoglycan growth mechanisms to grow and divide ...

journal_title：Current opinion in microbiology

authors： Pazos M,Peters K,Vollmer W

更新日期：2017-04-01 00:00:00

abstract：:Recent studies have led to the identification of more than 50 small regulatory RNAs in Escherichia coli. Only a subset of these RNAs has been characterized. However, it is clear that many of the RNAs, such as the MicF, OxyS, DsrA, Spot42 and RyhB RNAs, act by basepairing to activate or repress translation or to destab...

journal_title：Current opinion in microbiology

authors： Storz G,Opdyke JA,Zhang A

更新日期：2004-04-01 00:00:00

abstract：:Impaired microbiome diversity and composition can develop into a potent etiological agent of disease and increase susceptibility to infection. Given this, interventions targeting the microbiome have developed rapidly, with healthy donor feces being a de facto source of beneficial communities employed to rebalance pati...

journal_title：Current opinion in microbiology

authors： Kaakoush NO

更新日期：2020-08-01 00:00:00

abstract：:Bacterial biofilms are generally described as surface-associated bacterial communities comprising exopolysaccharide-surrounded microcolonies. Interspersed between these microcolonies are water-filled channels that may serve as primitive circulatory systems. Over the past few years, much progress has been made in our u...

journal_title：Current opinion in microbiology

authors： Pratt LA,Kolter R

更新日期：1999-12-01 00:00:00

abstract：:The concept of 'protein function' is rather 'fuzzy' because it is often based on whimsical terms or contradictory nomenclature. This currently presents a challenge for functional genomics because precise definitions are essential for most computational approaches. Addressing this challenge, the notion of networks betw...

journal_title：Current opinion in microbiology

authors： Jansen R,Gerstein M

更新日期：2004-10-01 00:00:00

abstract：:For many Gram-negative bacteria, like Brucella, the type IV secretion system (T4SS) has a critical role in bacterial virulence. In Brucella, the VirB T4SS permits the injection of bacterial effectors inside host cells, leading to subversion of signaling pathways and favoring bacterial growth and pathogenesis. The virB...

journal_title：Current opinion in microbiology

authors： Lacerda TL,Salcedo SP,Gorvel JP

更新日期：2013-02-01 00:00:00

abstract：:The obligatory intracellular bacterial pathogens Anaplasma and Ehrlichia infect leukocytes by hijacking host-cell components and processes. The type IV secretion system is up-regulated during infection. Among type IV secretion candidate substrates, an ankyrin repeat protein of Anaplasma phagocytophilum, AnkA, is deliv...

journal_title：Current opinion in microbiology

authors： Rikihisa Y,Lin M

更新日期：2010-02-01 00:00:00

abstract：:Bacterial pathogens employ a myriad of strategies to alter host tissue cell functions for bacterial advantage during infection. Recent advances revealed a fusion of infection biology with stem cell biology by demonstrating developmental reprogramming of lineage committed host glial cells to progenitor/stem cell-like c...

journal_title：Current opinion in microbiology

authors： Hess S,Rambukkana A

更新日期：2015-02-01 00:00:00

abstract：:Stan Falkow looked at the world with his eyes peering from the outer membrane of a gram-negative bacterium. It was a great vantage point from which to dream about the possible superpowers these organisms might have. He mused about these dreams with his trainees who sometimes found through rigorous scientific explorati...

journal_title：Current opinion in microbiology

authors： Starnbach MN

更新日期：2020-04-01 00:00:00

abstract：:The glideosome is a unique attribute of the Apicomplexa phylum. This myosin-based machine powers parasite motility, migration across biological barriers, host cell invasion and egress from infected cells. The timing, duration and orientation of gliding motility are tightly regulated to assure establishment of infectio...

journal_title：Current opinion in microbiology

authors： Daher W,Soldati-Favre D

更新日期：2009-08-01 00:00:00

abstract：:Biofilm development and quorum sensing (QS) are closely interconnected processes. Biofilm formation is a cooperative group behaviour that involves bacterial populations living embedded in a self-produced extracellular matrix. QS is a cell-cell communication mechanism that synchronizes gene expression in response to po...

journal_title：Current opinion in microbiology

authors： Solano C,Echeverz M,Lasa I

更新日期：2014-04-01 00:00:00

abstract：:Leishmania parasites are able to delay the onset of cell-mediated immunity by selectively impairing the ability of infected macrophages to produce interleukin (IL)-12. Leishmania infection arrests the JAK/STAT-mediated signal transduction involved in activation of the IL-12 p40 promoter; the phosphorylation defects ma...

journal_title：Current opinion in microbiology

authors： McDowell MA,Sacks DL

更新日期：1999-08-01 00:00:00

abstract：:Mycobacterium tuberculosis, the causative agent of human tuberculosis is one of the most widely spread human pathogens. It has succeeded to infect a quarter of the global human population by developing most sophisticated ways to circumvent innate and adaptive immune defences. This highly specialized, major human patho...

journal_title：Current opinion in microbiology

authors： Orgeur M,Brosch R

更新日期：2018-02-01 00:00:00

abstract：:In this review, we demonstrate how game theory can be a useful first step in modeling and understanding interactions among bacteria that produce and resist antibiotics. We introduce the basic features of evolutionary game theory and explore model microbial systems that correspond to some classical games. Each game dis...

journal_title：Current opinion in microbiology

authors： Conlin PL,Chandler JR,Kerr B

更新日期：2014-10-01 00:00:00

abstract：:The small nucleotides pppGpp and ppGpp (or (p)ppGpp) are rapidly synthesized in response to nutritional stress. In Escherichia coli, the enzymes RelA and SpoT are triggered by different starvation signals to produce (p)ppGpp. In many Gram-positive bacteria this is carried out by RelA and two small homologs. (p)ppGpp, ...

journal_title：Current opinion in microbiology

authors： Srivatsan A,Wang JD

更新日期：2008-04-01 00:00:00

abstract：:One promise of synthetic biology is to provide solutions for biomedical and industrial problems by rational design of added functionality in living systems. Microbes are at the forefront of this biological engineering endeavor due to their general ease of handling and their relevance in many potential applications fro...

journal_title：Current opinion in microbiology

authors： Bittihn P,Din MO,Tsimring LS,Hasty J

更新日期：2018-10-01 00:00:00

abstract：:Most Candida albicans strains are heterozygous at the MTL (mating-type-like) locus, but mating occurs in hemi- or homozygous strains. The white-opaque switch process is repressed by the heterodimer of the MTLa1 and MTLalpha2 gene products, while mating genes are induced by a2 and alpha1. Mating occurs in opaque cells ...

journal_title：Current opinion in microbiology

authors： Magee PT,Magee BB

更新日期：2004-12-01 00:00:00

abstract：:Mycobacterium tuberculosis (Mtb) is highly immunogenic and appears to have evolved to preserve its antigenicity. The retention of antigenicity is important to the maintenance of a robust immune response that contributes greatly to the late-stage tissue damage required for transmission and completion of the pathogen's ...

journal_title：Current opinion in microbiology

authors： Russell DG

更新日期：2013-02-01 00:00:00

abstract：:The protozoan parasite Trypanosoma brucei is the causative agent of African sleeping sickness and the wasting disease, nagana, in cattle. The parasite is transmitted to the mammalian host by the bite of a tsetse fly. These parasites lack transcriptional regulation, and their gene expression is mainly regulated post-tr...

journal_title：Current opinion in microbiology

authors： Michaeli S

更新日期：2014-08-01 00:00:00

abstract：:Legionella pneumophila is a water-borne opportunistic pathogen causing a life-threatening pneumonia called 'Legionnaires' disease'. The Legionella quorum sensing (Lqs) system produces and responds to the α-hydroxyketone signaling molecule 3-hydroxypentadecane-4-one (Legionella autoinducer-1, LAI-1). The Lqs system con...

journal_title：Current opinion in microbiology

authors： Personnic N,Striednig B,Hilbi H

更新日期：2018-02-01 00:00:00

abstract：:The existence of bacterial clones was evident in early phenotypic studies that recognised high levels of similarity in geographically and temporally separated isolates. Multilocus sequence typing (MLST) has become the most common method for genetically characterizing clones of several bacterial pathogens, allowing the...

journal_title：Current opinion in microbiology

authors： Feil EJ,Enright MC

更新日期：2004-06-01 00:00:00

abstract：:The opportunistic fungal pathogen Aspergillus fumigatus adapts to iron limitation by upregulation of iron uptake mechanisms including siderophore biosynthesis and downregulation of iron-consuming pathways to spare iron. These metabolic changes depend mainly on the transcription factor HapX. Consistent with the crucial...

journal_title：Current opinion in microbiology

authors： Schrettl M,Haas H

更新日期：2011-08-01 00:00:00