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Topic: Aspergillus nidulans


In the News (Sat 11 Oct 08)

  
  Aspergillus - Wikipedia, the free encyclopedia
Aspergillus was first catalogued in 1729 by the Italian priest and biologist Pietro Antonio Micheli as Nova plantarum genera juxta Tournafortii methodum disposita.
Aspergillus species are highly aerobic and are found in almost all oxygen-rich environments, where they commonly grow as molds on the surface of a substrate, as a result of the high oxygen tension.
nidulans was one of the pioneering organisms to have its genome sequenced by researchers at the Broad Institute.
en.wikipedia.org /wiki/Aspergillus   (684 words)

  
 Aspergillus Species
Aspergillus clavatus, Aspergillus glaucus group, Aspergillus nidulans, Aspergillus oryzae, Aspergillus terreus, Aspergillus ustus, and Aspergillus versicolor are among the other species less commonly isolated as opportunistic pathogens.
Aspergillus colonies are downy to powdery in texture.
In contrast to Aspergillus, the hyphae of Syncephalastrum are nonseptate [1280].
www.doctorfungus.org /thefungi/Aspergillus_spp.htm   (2349 words)

  
 Aspergillus nidulans - Wikipedia, the free encyclopedia
One of many species of filamentous fungi in the phylum Ascomycota, Aspergillus nidulans has been an important research organism for studying eukaryotic cell biology
It is 30 million base pairs in size and is predicted to contain around 9,500 protein-coding genes.
Aspergillus nidulans genome from the Broad Institute @ MIT.
en.wikipedia.org /wiki/Aspergillus_nidulans   (119 words)

  
 Aspergillus nidulans
Emericella nidulans as an agent of guttural pouch mycosis in a horse.
Aspergillus nidulans is frequently resistant to amphotericin B. Mycoses.
Successful elimination of an invasive Aspergillus nidulans lung infection by voriconazole after failure of a combination of caspofungin and liposomal amphotericin B in a boy with chronic granulomatous disease.
www.doctorfungus.org /Thefungi/Aspergillus_nidulans.htm   (482 words)

  
 Whitehead Institute - Draft Sequence of Aspergillus nidulans
nidulans also is a close relative of a family of fungi that cause allergies in some individuals and life-threatening, opportunistic infections in patients with weakened immune systems.
The sequencing of Aspergillus nidulans represents the first of a number of fungal sequencing projects supported by the National Human Genome Research Institute as part of the Fungal Genome Initiative, a comprehensive fungal sequencing program aimed at generating high-quality sequence for organisms spanning the fungal kingdom.
This means that the location of every base, or DNA letter, in the A. nidulans genome was determined an average of 13 times, a frequency that ensures a high degree of accuracy.
www.wi.mit.edu /news/archives/2003/el_0409.html   (855 words)

  
 Aspergillus - MicrobeWiki
Aspergillus is a member of the phylum Ascomycota.
In 2001, the Aspergillus Trust charity was formed to raise awarness for these diseases and support patients who are suffering from Aspergillus-related illnesses.
A non-carcinogenic, aflatoxin-free strain of Aspergillus flavus, A.
microbewiki.kenyon.edu /mediawiki-1.6.6/index.php/Aspergillus   (670 words)

  
 Structural and regulatory genes of nitrate reduction (Aspergillus) - Nitrate uptake and reduction - HORT640 - Metabolic ...
In fungi, such as Aspergillus nidulans, the nitrate transport system (a permease) is encoded by a gene (crnA) distinct from the genes encoding nitrate reductase (niaD), and nitrite reductase (niiA), although all three of these genes are tightly clustered (Kinghorn, 1989).
The Aspergillus nidulans AREA protein shares homology with the GLN3 protein of Saccharomyces cerevisiae, the Neurospora crassa NIT2 protein (Minehart and Magasanik, 1991), and the NRE protein of Penicillium chrysogenum (Haas et al, 1995); these proteins contain a single Cys2/Cys2-type zinc finger (Minehart and Magasanik, 1991; Haas et al, 1995).
In Aspergillus nidulans molybdopterin synthase is encoded by two genes: cnxG (encoding the small subunit) and cnxH (encoding the large subunit) (Unkles et al, 1999).
www.hort.purdue.edu /rhodcv/hort640c/nuptake/nu00007.htm   (1094 words)

  
 Aspergillus Bibliography 1999
Castro-Prado, M.A.A. and Rocha, C.L.S. 1998 Cytological and genetic characterization of a conidiogenesis mutant of Aspergillus nidulans.
Stemple, C.J., Davis, M.A. and Hynes, M.J. 1998 The facC gene of Aspergillus nidulans encodes an acetate-inducible carnitine acetyltransferase.
Watson, A.J., Fuller, L.J., Jeenes, D.J. and Archer, D.B. Homologs of aflatoxin biosynthesis genes and sequence of aflR in Aspergillus oryzae and Aspergillus sojae.
www.gla.ac.uk /ibls/molgen/aspergillus/refs99.html   (4210 words)

  
 Caltech Authors - Cellular and extracellular siderophores of Aspergillus nidulans and Penicillium chrysogenum
Aspergillus nidulans and Penicillium chrysogenum produce specific cellular siderophores in addition to the well-known siderophores of the culture medium.
The cellular siderophore of A. nidulans is ferricrocin; that of P. chrysogenum is ferrichrome.
During rapid mycelial growth, both A. nidulans and P. chrysogenum produced two highly active, unidentified siderophores which were later replaced by a less active or inactive product--coprogen in the case of P. chrysogenum and triacetylfusigen in the case of A. nidulans.
resolver.caltech.edu /CaltechAUTHORS:CHAmcb81   (313 words)

  
 Aspergillus nidulans Project Information
The Aspergillus nidulans sequence project is part of the Broad Institute's Fungal Genome Initiative.
Aspergillus nidulans is one of the critical fungal systems in genetics and cell biology.
nidulans is a particularly useful model organism for studies of cell biology and gene regulation.
www.broad.mit.edu /annotation/fungi/aspergillus_nidulans_old/background.html   (714 words)

  
 Aspergillus nidulans Catalase-Peroxidase Gene (cpeA) Is Transcriptionally Induced during Sexual Development through the ...
Isolation and characterization of a genomic DNA fragment complementing an nsdD mutation of Aspergillus nidulans.
A pcl-like cyclin of Aspergillus nidulans is transcriptionally activated by developmental regulators and is involved in sporulation.
Aspergillus asexual reproduction and sexual reproduction are differentially affected by transcriptional and translational mechanisms regulating stunted gene expression.
ec.asm.org /cgi/content/full/1/5/725   (4966 words)

  
 Fungal Genomic Cosmid and cDNA Sequencing
Fungal (Aspergillus nidulans, Aspergillus parasiticus and Neurospora crassa) Cosmid and cDNA Sequencing
Fungal (Aspergillus nidulans, Aspergillus flavus and Neurospora crassa) cDNA Sequencing
The Aspergillus nidulans EST's are being generated by Doris Kupfer with technical help from Wendy Martin, Jennifer Lewis, and Jennifer Gray in collaboration with Rolf Prade and Rodolfo Aramayo.
www.genome.ou.edu /fungal.html   (964 words)

  
 NCBI Aspergillus Genome Resources
Aspergillus is a large genus of filamentous fungi that encompasses many species of medical, agricultural, industrial, and scientific importance.
The NCBI Fungal Genomes Central page is a portal to information and resources pertaining to fungi and fungal sequencing projects from NCBI and the fungi research community.
ANNOUNCING the release of the Aspergillus fumigatus Af293 genome assembly and annotation in Map Viewer.
www.ncbi.nlm.nih.gov /genome/guide/aspergillus   (297 words)

  
 A Pcl-Like Cyclin of Aspergillus nidulans Is Transcriptionally Activated by Developmental Regulators and Is Involved in ...
A Pcl-Like Cyclin of Aspergillus nidulans Is Transcriptionally Activated by Developmental Regulators and Is Involved in Sporulation -- Schier et al.
Mitotic histone H3 phosphorylation by the NIMA kinase in Aspergillus nidulans.
The developmentally regulated Aspergillus nidulans wA gene encodes a polypeptide homologous to polyketide and fatty acid synthases.
mcb.asm.org /cgi/content/full/21/12/4075   (7491 words)

  
 Protein Kinase C (PkcA) of Aspergillus nidulans Is Involved in Penicillin Production -- Herrmann et al. 72 (4): 2957 -- ...
nidulans and the pyr-4 gene of Neurospora crassa as a
Antisense silencing of the creA gene in Aspergillus nidulans.
Regulation of Aspergillus nidulans penicillin biosynthesis and penicillin biosynthesis genes acvA and ipnA by glucose.
aem.asm.org /cgi/content/full/72/4/2957   (5916 words)

  
 Landmarks in the early duplication cycles of Aspergillus fumigatus and Aspergillus nidulans: polarity, germ tube ...
Landmarks in the early duplication cycles of Aspergillus fumigatus and Aspergillus nidulans: polarity, germ tube emergence and septation -- Momany and Taylor 146 (12): 3279 -- Microbiology
nidulans, and uncoupling of mitotic division and landmarks
Kafer, E. Meiotic and mitotic recombination in Aspergillus and its chromosomal aberrations.
mic.sgmjournals.org /cgi/content/full/146/12/3279   (2556 words)

  
 Fundamentals of growth, storage, genetics and microscopy of Aspergillus nidulans
Aspergillus nidulans is a deuteromycete, that is, a member of a polyphyletic group of fungi whose sexual stages are rare or unknown.
nidulans conidia are harvested in water (by rubbing the surface of a conidiating culture with a sterile bent glass rod to dislodge the spores) and can be stored for weeks to months at 4°C without a serious loss of viability.
nidulans conidia can be adsorbed onto sterile dry silica gel by making a spore suspension in sterile 4% non-fat milk, adding about 1 ml of spore suspension to 10 ml silica, shaking vigorously, and cooling in an ice bath (this process is exothermic).
www.fgsc.net /fgn48/Kaminskyj.htm   (4032 words)

  
 Aspergillus nidulans Genomics Project Web Listings Information | Business.com
The Aspergillus nidulans genome is approximately 31 Mb, organized in 8...
The sequencing of Aspergillus nidulans represents the first of a number of fungal sequencing projects supported by the National Human Genome Research...
The 'genome sequences' or genetic maps for the fungi Aspergillus fumigatus, Aspergillus nidulans and Aspergillus oryzae are published on 22 December in...
www.business.com /directory/pharmaceuticals_and_biotechnology/biotechnology/genomics/species-specific_projects/microorganisms/aspergillus_nidulans/weblistings.asp   (393 words)

  
 Aspergillus Initiative
Aspergillus nidulans and Neurospora crassa are the most widely usedfilamentous fungi for genetic research.
nidulans is a memberof a large and diverse genus whose members include some of the mostimportant filamentous fungi.
The Aspergillus research community hasthe expertise in place to assume this task and is poised to use thisinformation to its best adavantage.
gene.genetics.uga.edu /white_papers/anidulans.html   (1522 words)

  
 Aspergillus nidulans Septin AspB Plays Pre- and Postmitotic Roles in Septum, Branch, and Conidiophore Development -- ...
Harris, S.D., Hamer, L., Sharpless, K.E., and Hamer, J.E. The Aspergillus nidulans sepA gene encodes an FH 1/2 protein involved in cytokinesis and the maintenance of cellular polarity.
Harris, S.D., Morrell, J.L., and Hamer, J.E. Identification and characterization of Aspergillus nidulans mutants defective in cytokinesis.
Momany, M., and Taylor, I. Landmarks in the early duplication cycles of Aspergillus fumugatus and Aspergillus nidulans: polarity, germ tube emergence and septation.
www.molbiolcell.org /cgi/content/full/13/1/110   (5228 words)

  
 The Aspergillus nidulans cysA gene encodes a novel type of serine O-acetyltransferase which is homologous to homoserine ...
The Aspergillus nidulans cysA gene encodes a novel type of serine O-acetyltransferase which is homologous to homoserine O-acetyltransferases -- Grynberg et al.
Paszewski, A. and Grabski, J. Enzymatic lesions in methionine mutants of Aspergillus nidulans: role and regulation of an alternative pathway for cysteine and methionine synthesis.
Piotrowska, M., Natorff, R. and Paszewski, A. sconC, an Aspergillus nidulans sulphur metabolism regulatory gene, is a homolog of yeast SKP1 essential gene.
mic.sgmjournals.org /cgi/content/full/146/10/2695   (3691 words)

  
 Heterologous Expression in Aspergillus nidulans of a Trichoderma longibrachiatum Endoglucanase of Enological Relevance
nidulans is particularly advantageous because it is an extensively studied genetic model organism, in which context we have used it previously to study xylanase production (Piñaga et al., 1994; MacCabe et al., 1999; Orejas et al., 1999), and it is closely related to the industrially important fungus Aspergillus niger.
The Aspergillus nidulans argB2, metG1, biA1 strain used for transformation was grown from a conidial inoculum of 1 × 10
nidulans argB2 strain was cotransformed with the argB-carrying plasmid pIJ16 (Johnstone et al., 1985) and plasmid pPGPDEGL, which carries the egl1 cDNA of Trichoderma longibrachiatum under the control of the constitutive A.
pubs.acs.org /cgi-bin/jtextd?jafcau/48/3/html/jf990606a.html   (4554 words)

  
 Virulence of Catalase-deficient Aspergillus nidulans in p47phox-/- Mice . Implications for Fungal Pathogenicity and ...
Virulence of Catalase-deficient Aspergillus nidulans in p47phox-/- Mice.
Aspergillus pneumonia occurred in all mice that died of infection.
Leal, and J.P. Latge (1997) Cloning and disruption of the antigenic catalase gene of Aspergillus fumigatus.
www.jci.org /cgi/content/full/101/9/1843   (4595 words)

  
 Posttranscriptional Control Mediates Cell Type-Specific Localization of Catalase A during Aspergillus nidulans ...
nidulans conidiates in liquid culture after 24 h of carbon and/or nitrogen starvation (30).
The Aspergillus nidulans yA gene is regulated by abaA.
Clutterbuck, A. Absence of laccase from yellow-spored mutants of Aspergillus nidulans.
jb.asm.org /cgi/content/full/180/21/5733   (3891 words)

  
 Genome sequencing and analysis of Aspergillus oryzae : Nature
Aspergillus histidine kinases are classified into nine families (HK1–9), of which the HK8 orthologue is absent in Neurospora crassa and the sequenced plant pathogens Cochliobolus heterostrophus, Gibberella moniliformis, Fusarium graminearum and Magnaporthe grisea.
Aspergillus oryzae RIB40 (National Research Institute of Brewing Stock Culture and ATCC-42149) was used as the DNA donor.
Nucleotide sequence and expression of the glucoamylase-encoding gene (glaA) from Aspergillus oryzae.
www.nature.com /nature/journal/v438/n7071/full/nature04300.html   (4000 words)

  
 Ambient pH Signaling Regulates Nuclear Localization of the Aspergillus nidulans PacC Transcription Factor -- Mingot et ...
nidulans strains carrying markers in standard use and standard genetic procedures were used (10).
Three binding sites for the Aspergillus nidulans PacC zinc finger transcription factor are necessary and sufficient for regulation by ambient pH of the isopenicillin N synthase gene promoter.
The sequence of palF, an environmental pH response gene in Aspergillus nidulans.
mcb.asm.org /cgi/content/full/21/5/1688   (6820 words)

  
 Glycosphingolipids of the model fungus Aspergillus nidulans: characterization of GIPCs with oligo-{alpha}-mannose-type ...
nidulans; spectra were acquired on fractions corresponding to lanes 2, 4, and 6 shown in Fig.
An aureobasidin A resistance gene isolated from Aspergillus is a homolog of yeast AUR1, a gene responsible for inositol phosphorylceramide (IPC) synthase activity.
Disruption of the glucosylceramide biosynthesis pathway in Aspergillus nidulans and Aspergillus fumigatus by inhibitors of UDP-Glc: ceramide glucosyltransferase strongly affects spore germination, cell cycle, and hyphal growth.
www.jlr.org /cgi/content/full/44/11/2073   (6117 words)

  
 Aspergillus nidulans as a model organism   (Site not responding. Last check: 2007-10-31)
The relative ease of handling Aspergillus nidulans as a laboratory organism facilitates the investigation of physiology, genetics and molecular biology of a lower, though multicellular, eucaryote and thus the organism became a useful tool for fundamental research.
nidulans has considerable advantages as a laboratory model organism.
nidulans in the early 1980s, molecular genetic manipulation and reverse genetics have become standard techniques and today all modern tools to study the regulation of gene expression or developmental processes can be used in A.
www.boku.ac.at /zag/strauss_aspergillus.htm   (208 words)

  
 SUB Göttingen - Dissertationen - Busch, Silke: Amino Acid Biosynthesis and the COP9 Signalosome in Aspergillus ...
Components of both systems have been isolated from A. nidulans and their contribution to the molecular control of physiology and morphology was examined.Two amino acid biosynthesis genes, hisB and lysA, have been identified as target genes of the cross-pathway control.
Thus, the regulatory network of amino acid biosynthesis is involved in a cross-talk between regulation of primary and secondary metabolism in A. nidulans.The COP9 signalosome is a multiprotein complex with at least two assumed associated enzyme activities, a protein kinase and a deneddylase, which contribute to the regulation of targeted protein degradation.
Komponenten aus beiden Systemen wurden aus A. nidulans isoliert und ihr Einfluss auf physiologische und metabolische Prozesse untersucht.Die beiden AminosSure-Biosynthesegene hisB und lysA wurden als Zielgene der Allgemeinen Kontrolle identifiziert.
webdoc.sub.gwdg.de /diss/2003/busch/index.html   (685 words)

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