Sustained sensing as an emerging principle in second messenger signaling systems.

abstract：:Biological nitrogen fixation is a much more important process in the nitrogen cycle of the oceans than previously thought. Further, nitrogen fixation may have an influence on the capacity of the oceans to sequester carbon. A greater diversity of marine nitrogen fixers has also been uncovered but their quantitative sig...

journal_title：Current opinion in microbiology

authors： Capone DG

更新日期：2001-06-01 00:00:00

abstract：:Arginine is an integral part of host defense when invading pathogens are encountered. The arginine metabolite nitric oxide (NO) confers antimicrobial properties, whereas the metabolite ornithine is utilized for polyamine synthesis. Polyamines are crucial to tissue repair and anti-inflammatory responses. iNOS/arginase ...

journal_title：Current opinion in microbiology

authors： Gogoi M,Datey A,Wilson KT,Chakravortty D

更新日期：2016-02-01 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：:Enteropathogenic Yersinia species encode invasin, which promotes uptake into host cells by binding beta1 integrins. Invasin may cluster integrin heterodimers extracellularly and cause the integrin alpha and beta chains to splay apart in the cytoplasm. Cdc42 signaling is not essential for Yersinia uptake, whereas invas...

journal_title：Current opinion in microbiology

authors： Wong KW,Isberg RR

更新日期：2005-02-01 00:00:00

abstract：:Antibiotic lethality is a complex physiological process, sensitive to external cues. Recent advances using systems approaches have revealed how events downstream of primary target inhibition actively participate in antibiotic death processes. In particular, altered metabolism, translational stress and DNA damage each ...

journal_title：Current opinion in microbiology

authors： Yang JH,Bening SC,Collins JJ

更新日期：2017-10-01 00:00:00

abstract：:Candida albicans is a regular member of the intestinal microbiota in the majority of the human population. This underscores C. albicans' adaptation to life in the intestine without inducing competitive interactions with other microbes, or immune responses detrimental to its survival. However, specific conditions such ...

journal_title：Current opinion in microbiology

authors： Kumamoto CA,Gresnigt MS,Hube B

更新日期：2020-08-01 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：:Inflammasomes - molecular platforms for caspase-1 activation - have emerged as common hubs for a number of pathways that detect and respond to bacterial pathogens. Caspase-1 activation results in the secretion of bioactive IL-1β and IL-18 and pyroptosis, and thus launches a systemic immune and inflammatory response. I...

journal_title：Current opinion in microbiology

authors： Eldridge MJ,Shenoy AR

更新日期：2015-02-01 00:00:00

abstract：:Bacteria furnish tractable models for complex biological processes, and morphogenesis is now taking its turn. We can already explain in general terms how such elementary forms as rods and cocci are produced, and the shapes of several individual organisms are coming into focus. In most bacteria shape is maintained by t...

journal_title：Current opinion in microbiology

authors： Harold FM

更新日期：2007-12-01 00:00:00

abstract：:Sexual development in filamentous ascomycetes requires mating-type genes to mediate recognition of compatible cell and nuclear types. Characterization of mating-type genes from various fungi shows that they primarily encode transcriptional regulators. Recent studies on mating-type-specific pheromones and internuclear ...

journal_title：Current opinion in microbiology

authors： Shiu PK,Glass NL

更新日期：2000-04-01 00:00:00

abstract：:Mast cells (MCs) have been implicated in orchestrating the host's early innate immune and adaptive immune responses in several models of acute bacterial infections. Most of this activity results in early clearance of the bacteria and timely resolution of infection. However, during chronic infections because of the pro...

journal_title：Current opinion in microbiology

authors： Chan CY,St John AL,Abraham SN

更新日期：2012-02-01 00:00:00

abstract：:Recently, a number of endophytic fungi have been discovered that produce volatile organic compounds (VOCs) whilst growing on agricultural waste substrates, whose chemistry is best defined as hydrocarbon and hydrocarbon-like. These compounds have potential use as both 'green chemicals' and fuels. This report discusses ...

journal_title：Current opinion in microbiology

authors： Strobel G

更新日期：2014-06-01 00:00:00

abstract：:Mosquitoes are the major arthropod vectors of human diseases such as malaria and viral encephalitis. However, each mosquito species does not transmit every pathogen, owing to reasons that include specific evolutionary histories, mosquito immune system structure, and ecology. Even a competent vector species for a patho...

journal_title：Current opinion in microbiology

authors： Mitri C,Vernick KD

更新日期：2012-06-01 00:00:00

abstract：:The Saccharomyces cerevisiae genome sequence, augmented by new data on gene expression and function, continues to yield new findings about eukaryote genome evolution. Analysis of the duplicate gene pairs formed by whole-genome duplication indicates that selection for increased levels of gene expression was a significa...

journal_title：Current opinion in microbiology

authors： Seoighe C,Wolfe KH

更新日期：1999-10-01 00:00:00

abstract：:Quorum sensing, or the control of gene expression in response to cell density, is used by both gram-negative and gram-positive bacteria to regulate a variety of physiological functions. In all cases, quorum sensing involves the production and detection of extracellular signalling molecules called autoinducers. While u...

journal_title：Current opinion in microbiology

authors： Bassler BL

更新日期：1999-12-01 00:00:00

abstract：:Analyses of the complex regulatory networks leading to T cell survival, death, and immune deficiency have been aided in the past year by the dramatic development of new technologies to identify T cells and assess T cell function. These new techniques have shown that functional inactivation and apoptotic elimination of...

journal_title：Current opinion in microbiology

authors： Welsh RM,McNally JM

更新日期：1999-08-01 00:00:00

abstract：:Germ line encoded antiviral defenses in vertebrate cells tend to be either broadly acting factors that exploit general features of viral replication or effectors with strong pathogen preference by virtue of specific recognition of viral proteins. The Mx GTPases, however, are atypical since they have broad antiviral ac...

journal_title：Current opinion in microbiology

authors： Mitchell PS,Emerman M,Malik HS

更新日期：2013-08-01 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：:The environment is suffused with nearly countless types of fungi, and our immune systems must be tuned to cope with constant exposure to them. In addition, it is becoming increasingly clear that many surfaces of our bodies are colonized with complex populations of fungi (the mycobiome) in the same way that they are co...

journal_title：Current opinion in microbiology

authors： Iliev ID,Underhill DM

更新日期：2013-06-01 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：:In the study of transmembrane transport, molecular phylogeny provides a reliable guide to protein structure, catalytic and noncatalytic transport mechanisms, mode of energy coupling and substrate specificity. It also allows prediction of the evolutionary history of a transporter family, leading to estimations of its a...

journal_title：Current opinion in microbiology

authors： Saier MH

更新日期：1999-10-01 00:00:00

abstract：:Application of metagenomic functional selections to study antibiotic resistance genes is revealing a highly diverse and complex network of genetic exchange between bacterial pathogens and environmental reservoirs, which likely contributes significantly to increasing resistance levels in pathogens. In some cases, clini...

journal_title：Current opinion in microbiology

authors： Dantas G,Sommer MO

更新日期：2012-10-01 00:00:00

abstract：:Gram-positive pathogens are a major cause of community-acquired and hospital-acquired infections, and exhibit a remarkable ability to develop antibiotic resistance. Methicillin-resistant Staphylococcus aureus (MRSA), glycopeptide-resistant enterococci (GRE) and multidrug-resistant pneumococci are currently the major r...

journal_title：Current opinion in microbiology

authors： Rossolini GM,Mantengoli E,Montagnani F,Pollini S

更新日期：2010-10-01 00:00:00

abstract：:Macrophages protect their host by engulfing foreign bodies within phagosomes that rapidly develop into microbicidal organelles. Numerous pathogens, such as species of Toxoplasma, Leishmania, Mycobacterium, Salmonella and Legionella, thrive in human macrophages, sometimes with disastrous effects. Defining the survival ...

journal_title：Current opinion in microbiology

authors： Amer AO,Swanson MS

更新日期：2002-02-01 00:00:00

abstract：:Since their discovery, our understanding of NK cells has evolved from branding them marginal innate immunity cells to key players in anti-viral and anti-tumor immunity. Importance of NK cells in control of various viral infections is perhaps best illustrated by the existence of plethora of viral mechanisms aimed to mo...

journal_title：Current opinion in microbiology

authors： Lisnić VJ,Krmpotić A,Jonjić S

更新日期：2010-08-01 00:00:00

abstract：:Pyrrolysine is an amino acid encoded by the amber codon in genes required for methylamine utilization by members of the Methanosarcinaceae. Pyrrolysine and selenocysteine share the distinction of being the only two non-canonical amino acids that have entered natural genetic codes. Recent experiments have shown that en...

journal_title：Current opinion in microbiology

authors： Krzycki JA

更新日期：2005-12-01 00:00:00

abstract：:We are witnessing a breathtaking development in light (fluorescence) microscopy, where structures can be resolved down to the size of a ribosome within cells. This has already yielded surprising insight into the subcellular structure of cells, including the smallest cells, bacteria. Moreover, it has become possible to...

journal_title：Current opinion in microbiology

authors： Dersch S,Graumann PL

更新日期：2018-06-01 00:00:00

abstract：:The ability to control uptake across the mucosa and to protect the gut from harmful substances present in the lumen is defined as intestinal barrier function. Two routes are usually distinguished for transepithelial transport. The paracellular route allows the passage of ions and small molecules and is mainly regulate...

journal_title：Current opinion in microbiology

authors： Barreau F,Hugot JP

更新日期：2014-02-01 00:00:00

abstract：:Gene clusters contributing to processes such as cell growth and pathogenicity are often controlled by two-component signal transduction systems (TCSs). Specific inhibitors against TCS systems work differently from conventional antibiotics, and developing them into new drugs that are effective against various drug-resi...

journal_title：Current opinion in microbiology

authors： Gotoh Y,Eguchi Y,Watanabe T,Okamoto S,Doi A,Utsumi R

更新日期：2010-04-01 00:00:00

abstract：:Quorum sensing is an important mechanism for the regulation of genes in many Gram-negative and Gram-positive bacteria. In the opportunistic pathogen Pseudomonas aeruginosa, the absence of one or more components of the quorum-sensing system results in a significant reduction in virulence. Recent advances in the past ye...

journal_title：Current opinion in microbiology

authors： Smith RS,Iglewski BH

更新日期：2003-02-01 00:00:00