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Fungal Components (2):
Recent article
Fungal Components
Abstract
A gradient reversed-phase high-performance liquid chromatography (HPLC) method was developed for the rapid determination of free ergosterol, ergosteryl esters, and ergocalciferol. The HPLC method was used to evaluate the distribution of ergosterol and ergosteryl esters in the different parts (stipe,...
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PMID: 18629493
PDF is available here.
PDF is available here.
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Abstract
Phytopathology (98)6 2008
Abstract
Survival of sclerotia of Sclerotinia minor and S. sclerotiorum was compared in irrigated fields during the summer in two major lettuce production areas in California. More than 50% sclerotia of S. sclerotiorum compared with 4 and 35% of S. minor remained viable after 24 weeks of burial at 15 and 5 c...
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PMID: 18944289
PDF is available here.
PDF is available here.
Mycological Research (112)Pt 3 2008
Abstract
A study on polyamine metabolism and the consequences of polyamine biosynthesis inhibition on the development of Sclerotinia sclerotiorum sclerotia was conducted. Concentrations of the triamine spermidine and the tetramine spermine, as well as ornithine decarboxylase and S-adenosyl-methionine decarbo...
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PMID: 18308526
PDF is available here.
PDF is available here.
Abstract
We found that in the closely related plant pathogen Colletotrichum gloeosporioides, blocking of the cell cycle did not prevent spore germination and appressoria formation. The cell cycle always lagged behind the morphogenetic changes that follow spore germination, including germ tube and appressoriu...
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PMID: 18275611
PDF is available here.
PDF is available here.
Abstract
The structure and histochemistry of sclerotia of Ophiocordyceps sinensis (synonym: Cordyceps sinensis) are described. The remains of the caterpillar epidermis and sometimes setae of the caterpillar were attached to the pigmented layer that is external to the rind of the sclerotium. The outer aerial...
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PMID: 18833754
PDF is available here.
PDF is available here.
Plant Cell Online (19)8 2007
Abstract
We identified a specific M. grisea cutinase, CUT2, whose expression is dramatically upregulated during appressorium maturation and penetration. The cut2 mutant has reduced extracellular cutin-degrading and Ser esterase activity, when grown on cutin as the sole carbon source, compared with the wild-t...
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PMID: 17704215
PDF is available here.
PDF is available here.
Abstract
These results suggest that extracellular matrix proteins might be involved in conidial adhesion and appressorium formation through integrin-like receptor mediation and modulation of cAMP-dependent signaling in the cells....
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PMID: 18051333
PDF is available here.
PDF is available here.
Abstract
Amounts of dust, EPS and beta(1-->3)-glucan levels differed between countries. Amounts of dust, beta(1-->3)-glucan and EPS levels for mattresses were only weakly correlated with those for living room floors. Floor dust beta(1-->3)-glucan loads, EPS loads and EPS concentrations were strongly correlat...
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PMID: 16859747
PDF is available here.
PDF is available here.
Abstract
Levels of endotoxin, EPS and glucans per gram of house dust in farm homes were 1.2- to 3.2-fold higher than levels in reference homes. For Steiner children, 1.1- to 1.6-fold higher levels were observed compared with their reference children. These differences were consistently found across countries...
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PMID: 15813805
PDF is available here.
PDF is available here.
Abstract
We showed that ClPLS1 is a functional homologue of MgPLS1 in M. grisea. Loss of ClPLS1 function had no effect on vegetative growth, conidiation or on appressorium differentiation and maturation. However, Clpls1::hph mutants are non-pathogenic on either intact or wounded bean leaves, as a result of a...
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PMID: 15749050
PDF is available here.
PDF is available here.
Abstract
We cloned and sequenced a recQ gene homolog from the basidiomycetous mushroom Lentinula edodes (Le.). This gene, named Le.recQ, was found to have a coding capacity of 945 amino acids (aa) and be interrupted by 11 small introns. The deduced Le.RECQ protein was clearly smaller than other fungal RecQ p...
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PMID: 15618631
PDF is available here.
PDF is available here.
Abstract
Abstract
We isolated and characterized two PAK genes, CHM1 and MST20, in M. grisea. Mutants disrupted in MST20 were reduced in aerial hyphae growth and conidiation, but normal in growth rate, appressorium formation, penetration, and plant infection. In chm1 deletion mutants, growth, conidiation, and appresso...
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PMID: 15141959
PDF is available here.
PDF is available here.
Abstract
These results indicate that germ tubes of C. graminicola require more than 4microm of continuous contact with a hydrophobic substratum for induction of appressoria....
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PMID: 14643254
PDF is available here.
PDF is available here.
Plant Cell Online (15)11 2003
Abstract
Arabidopsis was transformed with double-stranded RNA interference (dsRNAi) constructs designed to silence three putative callose synthase genes: GLUCAN SYNTHASE-LIKE5 (GSL5), GSL6, and GSL11. Both wound callose and papillary callose were absent in lines transformed with GSL5 dsRNAi and in a correspo...
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PMID: 14555698
PDF is available here.
PDF is available here.
Abstract
The content and distribution of the main Amatoxins (alpha-amanitin, beta-amanitin) and Phallotoxins (Phallacidin, Phallisin, Phalloin, Phalloidin) in the three tissues (cap, stipe and volva) of Amanita exitialis were evaluated by means of high-performance liquid chromatography. The results showed th...
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PMID: 16281563
PDF is available here.
PDF is available here.
Abstract
We examined in-home fungal concentrations as predictors of lower respiratory illnesses (LRI) (croup, pneumonia, bronchitis, and bronchiolitis) in the first year. In multivariate analyses, we found a significant increased relative risk (RR) between LRI and high levels (more than the 90th percentile)...
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PMID: 12724122
PDF is available here.
PDF is available here.
Abstract
Seventeen accessions of Arabidopsis thaliana inoculated with the cowpea rust fungus Uromyces vignae exhibited a variety of expressions of nonhost resistance, although infection hypha growth typically ceased before the formation of the first haustorium, except in Ws-0. Compared with wild-type plants,...
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PMID: 12744510
PDF is available here.
PDF is available here.
Abstract
Our results indicate that this new mutant shares similar physiological characteristics with the M161 pmi mutant, but has a more suppressive Myc- phenotype response....
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PMID: 12744508
PDF is available here.
PDF is available here.
Abstract
We have isolated, cloned, and characterized a protein kinase from Colletotrichum trifolii, causal agent of alfalfa anthracnose. Though sequence analysis indicated conserved sequences in mammalian PKC genes, we were unable to induce activity of the fungal protein using known activators of PKC. Instea...
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PMID: 12744512
PDF is available here.
PDF is available here.
Journal of Experimental Botany (54)384 2003
Abstract
These results indicate that resistance in PMR 45 and WMR 29 is selectable at the haploid level. All of the plant responses were observed by microscopy. A possible mechanism for generating powdery mildew resistance in two different melon lines is discussed....
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PMID: 12598576
PDF is available here.
PDF is available here.
Plant Physiology (131)3 2003
Abstract
We demonstrate that hyphae from germinating spores produce a diffusible factor that is perceived by roots in the absence of direct physical contact. This AM factor elicits expression of the Nod factor-inducible gene MtENOD11, visualized using a pMtENOD11-gusA reporter. Transgene induction occurs pri...
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PMID: 12644648
PDF is available here.
PDF is available here.
Abstract
An understanding of the relationship between the two components of helical growth (rotation rate and elongation rate) is fundamental to understanding the biophysical and molecular mechanism(s) of cell wall extension in algal cells, fungal cells, and plant stems and roots. Helical growth occurs throu...
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PMID: 12569415
PDF is available here.
PDF is available here.
Abstract
We identified an AVR4 high-affinity binding site (KD = 0.05 nM) which exhibited all the characteristics expected for ligand-receptor interactions, such as saturability, reversibility, and specificity. Surprisingly, the AVR4 high-affinity binding site appeared to originate from fungi present on infec...
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PMID: 12481994
PDF is available here.
PDF is available here.
Abstract
Colletotrichum lagenarium, the causal agent of cucumber anthracnose, invades host plants by forming a specialized infection structure called an appressorium. In this fungus, the mitogen-activated protein kinase (MAPK) gene CMK1 is involved in several steps of the infection process, including appress...
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PMID: 12481999
PDF is available here.
PDF is available here.
Abstract
We isolated and characterized a MAP kinase gene, MGV1, which is highly homologous to the MPS1 gene in Magnaporthe grisea. The MGV1 gene was dispensable for conidiation in F. graminearum but essential for female fertility during sexual reproduction. Vegetative growth of mgv1 deletion mutants was norm...
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PMID: 12423017
PDF is available here.
PDF is available here.
Phytomedicine (9)6 2002
Abstract
Components of Agaricus blazei Murill have been demonstrated to have a wide range of immunopotentiating activities. The present study was designed to evaluate the effect of A. blazei Murill upon activation of the complement system in human serum in vitro. Additional studies were performed to determin...
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PMID: 12403163
PDF is available here.
PDF is available here.
Abstract
I and IV. CBPI was disrupted in order to identify its function. Null mutants of CBP1 failed to differentiate appressoria normally on artificial surface but succeeded in normally differentiating appressoria on the plant leaf surface. Since the null mutant Cbp1- showed abnormal appressorium differenti...
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PMID: 12036274
PDF is available here.
PDF is available here.
Mededelingen (Rijksuniversiteit te Gent. Fakulteit van de Landbouwkundige en Toegepaste Biologische Wetenschappen) (67)2 2002
Abstract
Mededelingen (Rijksuniversiteit te Gent. Fakulteit van de Landbouwkundige en Toegepaste Biologische Wetenschappen) (67)2 2002
Abstract
Since 1994 the importance of tan spot of wheat has increased in the wheat growing areas of the Netherlands. The purpose of the present study was to determine inoculum sources of this disease caused by Pyrenophora tritici-repentis. Both in 1999 and 2000, the incidence of tan spot was assessed in 40 c...
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PMID: 12701430
PDF is available here.
PDF is available here.
Mededelingen (Rijksuniversiteit te Gent. Fakulteit van de Landbouwkundige en Toegepaste Biologische Wetenschappen) (67)2 2002
Abstract
Forty-three microfungi have been observed on thirty species of the Compositae occurring in several locations in the Ruhr Basin in North Rhine-Westphalia. Many fungi belong to the Ascomycetes (Erysiphales, Diaporthales, Dothideales, Leotiales and Pleosporales) and to the Deuteromycetes (Melanconiales...
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PMID: 12701426
PDF is available here.
PDF is available here.
Mededelingen (Rijksuniversiteit te Gent. Fakulteit van de Landbouwkundige en Toegepaste Biologische Wetenschappen) (67)2 2002
Abstract
One hundred and forty microfungi (Ascomycetes and Deuteromycetes) were collected in the "Landschaftspark Duisburg-Nord" located in North Rhine-Westphalia. New hosts for rarely found fungi are recorded for the first time. New for Germany are Massaria inquinans (Tode) De Not. and Nitschkia grevillei (...
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PMID: 12701427
PDF is available here.
PDF is available here.
Microbiological Research (157)3 2002
Abstract
The effects of glucose and of a pectic substrate in the duplication cycle, spore polarization and septation of Aspergillus nidulans were tested in poor and rich media. Growth on poor conditions and on sodium polypectate slowed nuclear duplication and reduced the coupling of polarization to mitosis....
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PMID: 12398295
PDF is available here.
PDF is available here.
Abstract
This study investigated salivary anticandidal activity and salivary composition in stimulated whole saliva of 18 advanced HIV-infected patients and compared these values to healthy controls. Stimulated whole saliva from HIV-infected patients showed decreased anticandidal activity. The flow rate was...
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PMID: 11555303
PDF is available here.
PDF is available here.
Abstract
The dynamics of change in the component composition of dendrodochines in the process of cultivation of Dendrodochium toxicum 100115 has been studied. It has been shown on the basis of the data of thin-layer chromatography that verrucarines A and J are found during the whole period of the fungus grow...
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PMID: 11692676
PDF is available here.
PDF is available here.