colonial growth and ramihyphin a-induced changes in cell walls of neurospora sitophila. | colonial growth of neurospora sitophila phenotypically induced by ramihyphin a is accompanied by marked changes in the contents of dna, rna and proteins in the mycelium, and in the relative proportion of hexoses in cell wall hydrolysates. the glucosamine/glucose ratio is also characteristic for colonial growth. x-ray analysis of cell walls showed that ramilhyphin a suppresses the crystalline arrangement of chitin in cell walls. a combination of microbiological, biochemical and physico-chemical m ... | 1976 | 976877 |
inversions and recombinations in mitochondrial dna of the (sg-1) cytoplasmic mutant in two neurospora species. | the mitochondrial dnas of [sg-1] cytoplasmically-mutant and wild-type strains of neurospora crassa and neurospora sitophila were examined by comparative restriction endonuclease analyses. the mtdna of n. sitophila wild type of whitehouse differs from type ii mtdna of n. crassa by insertions of 3.3 kb in ecori-9, and 1.2 kb in ecori-3, and a deletion of 1.1 kb in ecori-5. these dna heteromorphisms provided convenient markers for tracing n. crassa [sg-1] mtdna during and after its transfer into n. ... | 1986 | 2832078 |
inhibition of germination and sporulation (conidiation) in neurospora sitophila shear and dodge by carbon dioxide. | | 1974 | 4407373 |
[influence of pyridoxine deficiency on tryptophan synthase in neurospora sitophila]. | | 1973 | 4774655 |
[relationship between the rates of protein-syntheses, content of nonprotein-bound sh-groups and the pyridoxol offer in neurospora sitophila]. | | 1973 | 4781906 |
phosphoglucomutase mutants of neurospora sitophila and their relation to morphology. | biochemical and genetic evidence is presented that the rg-1 and rg-2 genes control the structure of the two isozymes of phosphoglucomutase (phosphoglucomutase i and ii) in neurospora silophila. results of kinetic and gel filtration studies show that the two phosphoglucomutases may exist in vitro either as separate or as a single but complex molecular species depending on the ionic concentration. the complex phosphoglucomutase molecule is suggested to be the physiologically active form of the enz ... | 1970 | 5269231 |
antimycin a-resistant respiratory pathway in ustilago maydis and neurospora sitophila. | | 1970 | 5481090 |
heterokaryosis in neurospora sitophila. | | 1971 | 5556292 |
[pyridoxine-dependent changes in the chemical composition of the hyphae of neurospora sitophila]. | | 1968 | 5706420 |
structural variations and optional introns in the mitochondrial dnas of neurospora strains isolated from nature. | mitochondrial dnas from ten wild-type neurospora crassa, neurospora intermedia, and neurospora sitophila strains collected from different geographical areas were screened for structural variations by restriction enzyme analysis. the different mtdnas show much greater structural diversity, both within and among species, than had been apparent from previous studies of mtdna from laboratory n. crassa strains. the mtdnas range in size from 60 to 73 kb, and both the smallest and largest mtdnas are fo ... | 1983 | 6300945 |
contribution of selected fungi to the reduction of cyanogen levels during solid substrate fermentation of cassava. | the effect of six individual strains of the dominant microflora in solid substrate fermenting cassava on cyanogen levels was examined. six out of eight batches of disinfected cassava root pieces were incubated for 72 h after inoculation with either of the fungi geotrichum candidum, mucor racemosus, neurospora sitophila, rhizopus oryzae and rhizopus stolonifer, or a bacillus sp., isolated from on-farm fermented cassava flours from uganda. one non-inoculated batch was incubated as a reference. lev ... | 1995 | 7577362 |
reducing cassava toxicity by heap-fermentation in uganda. | processing of cassava roots by the alur tribe in uganda includes a stage of solid substrate fermentation in heaps. changes in cyanogen levels during the process, microflora involved, and protein levels, amino acid patterns and mycotoxin contamination of the final products were studied. processing was monitored at six rural households and repeated at laboratory site, comparing it to sun-drying. flour samples from rural households were analysed for residual cyanogens, mutagenicity, cytotoxicity an ... | 1995 | 7621084 |
nucleotide sequence requirements for self-cleavage of neurospora vs rna. | we have used several complementary approaches to investigate the minimal contiguous sequence required for the in vitro self cleavage reaction performed by neurospora vs rna. deletion analysis and site-directed mutagenesis revealed that only a single nucleotide is required upstream of the self-cleavage site, and that the identity of this nucleotide is not critical. this distinguishes vs rna from all currently known ribozymes except hepatitis delta virus rna. the shortest contiguous sequence capab ... | 1993 | 8345516 |
occupational asthma induced by chrysonilia sitophila in the logging industry. | | 1996 | 8648039 |
evolution of the frequency (frq) clock locus in ascomycete fungi. | the frequency (frq) locus of neurospora crassa plays a key role in the organization of circadian rhythms. similar timing systems have been found in nearly all eukaryotes as well as some prokaryotes; thus, frq may be an excellent gene with which to conduct evolutionary studies. to investigate, we used the cloned frq locus from ascomycete fungi representing two classical taxonomic classes and three orders to examine two open questions in ascomycete evolution. class pyrenomycetidae is represented b ... | 1996 | 8896376 |
lignin biodegradation by the ascomycete chrysonilia sitophila. | the lignin biodegradation process has an important role in the carbon cycle of the biosphere. the study of this natural process has developed mainly with the use of basidiomycetes in laboratory investigations. this has been a logical approach since most of the microorganisms involved in lignocellulosic degradation belong to this class of fungi. however, other microorganisms such as ascomycetes and also some bacteria, are involved in the lignin decaying process. this work focuses on lignin biodeg ... | 1997 | 9170255 |
neurospora sitophila pulmonary infection in a patient with aids. | | 1997 | 11361836 |
common environmental allergens causing respiratory allergy in india. | respiratory allergy affects all age groups but the children are the worst affected by the respiratory allergy. bioparticles from different biological sources are the main cause of allergy. pollen grains, fungal spores, insect and other materials of biological origin form the most important allergen load in the air. for the efficient diagnosis of the allergy and its effective treatment it is very important to know about the prevalence, seasonal and annual variations of aeroallergens of the area. ... | 2002 | 12003301 |
cork stoppers industry: defining appropriate mould colonization. | the main aims of this work were the study of cork slabs moulds colonization and the evaluation of the moulds diversity during cork processing steps, in different cork stoppers factories. simultaneously, it was envisaged to perform an evaluation of the air quality. | 2003 | 12906384 |
[concentration of an alfalfa growth factor for neurospora sitophila and its use in the microbiological assay of pyridoxine]. | | 1958 | 13549284 |
10-hydroxy-delta 2-decenoic acid, an antibiotic found in royal jelly. | 10-hydroxy-delta(2)-decenoic acid, the major component of the lipide fraction of royal jelly, exhibits antibiotic activity against many bacteria and fungi. this fatty acid is less than one-fourth as active as penicillin against micrococcus pyogenes and less than one-fifth as active as chlortetracycline against escherichia coli. it also slows the growth rate of neurospora sitophila and some unidentified molds. the salt of this compound is considerably less active than the free acid. | 1959 | 13675771 |
alfalfa extracts which stimulate growth of neurospora sitophila. ii. isolation, characterization. and multiple nature of stimulatory compound. | | 1961 | 13760240 |
alfalfa extracts which stimulated growth of neurospora sitophila. i. preparation and activation of crude extracts. | | 1961 | 13760241 |
alfalfa extracts which stimulate growth of neurospora sitophila. iii. effect on weight gain of thyroid-stressed albino rats. | | 1961 | 13760242 |
endophthalmitis following catarct extraction due to neurospora sitophila, a so-called nonpathogenic fungus. | | 1962 | 13920546 |
effect of dimetridazole on growth of neurospora sitophila and lactobacillus casei. | | 1965 | 14297835 |
fermentation of cellulosic materials to mycoprotein foods. | a new bioprocess is described in which a cellulolytic, food-grade fungus neurospora sitophila converts cellulosic materials to protein-rich products for food and fodder. the optimal conditions for the conversion are identified: 35-37 degrees c temperature, ph 5.5, 2.35 ms(-1) agitator tip speed. scale-up of the production process to 1,300 l is reported. the mycoprotein production data on several types of cellulosic materials (sugarcane bagasse, corn stover, wood cellulose) are presented. the per ... | 1993 | 14545669 |
cork workers' occupational asthma: lack of association with allergic sensitisation to fungi of the work environment. | to evaluate allergic sensitisation to chrysonilia sitophila, penicillium glabrum, and trichoderma longibrachiatum in cork workers with asthma. | 2004 | 14740220 |
antigen characterization of major cork moulds in suberosis (cork worker's pneumonitis) by immunoblotting. | we characterized by immunoblotting the antigenicity of the most frequent fungi colonizing cork during its industrial processing, penicillium glabrum and chrysonilia sitophila. penicillium glabrum is the main causative agent of suberosis, a hypersensitivity pneumonitis of cork workers. chrysonilia sitophila induces both ige sensitization and occupational asthma in the wood processing industry. | 2004 | 15180761 |
fungal strains isolated from cork stoppers and the formation of 2,4,6-trichloroanisole involved in the cork taint of wine. | cork taint is mainly due to 2,4,6-trichloroanisole (tca) produced through the activity of undesirable fungal strains. we observed that cfu mould number in tca-containing stoppers was not quantitatively different to that of the stoppers not containing tca (ca. 10(5)cfu/g). in contrast more fungi diversity was observed in tca-containing stoppers. penicillium spp (penicillium chrysogenum, penicillium glabrum), aspergillus spp (aspergillus niger and aspergillus oryzae), chrysonilia sitophila, mucor ... | 2007 | 17188205 |
penicillium glabrum cork-colonising isolates - preliminary analysis of their genomic similarity. | the cork stopper manufacturing process includes an operation, known as stabilisation, by which humid cork slabs are extensively colonised by fungi. the effects of fungal growth on cork are not completely understood although they are considered to be involved in the so-called "cork taint" of wine. it is essential to (a) identify environmental constraints which define the appearance of the colonising fungal species and (b) trace their origin to the forest and/or the manufacturing space. the presen ... | 2006 | 17196021 |
spore killer, a chromosomal factor in neurospora that kills meiotic products not containing it. | three chromosomal factors called spore killer (sk) have been found in wild populations of neurospora sitophila and n. intermedia. sk resembles other examples of meiotic drive such as segregation distorter in drosophila, pollen killer in wheat, and gamete eliminator in tomato. in crosses heterozygous for sk, each ascus contains four viable black ascospores and four inviable, undersize, clear ascospores, with second-division segregations infrequent. the survivors contain the killer allele sk(k), w ... | 1979 | 17248973 |
a study of the stokes method for the assay of vitamin b6 with neurospora sitophila m.229. | | 1949 | 18114954 |
contamination of peritoneal dialysis fluid by filamentous fungi. | peritonitis is a frequent complication in peritoneal dialysis. it may be caused by contamination of the dialysis tubing or by extension of the catheter exit site. gram-positive bacteria are the most common organism, accounting for 60% of all documented cases of continuous ambulatorial peritonitis dialysis. fungi are isolated from to 1-15% of cases. forty-nine out of 490 bottles containing fluid for peritoneal dialysis were randomly selected for microbiological analysis in são paulo, brazil. in t ... | 1999 | 18473556 |
oxygen transfer to mycelial fermentation broths in an airlift fermentor. | oxygen transfer rates and gas holdups were measured in mycelial fermentation broths of chaetomium cellulolyticum and neurospora sitophila, each cultured in a 1300-l pilot-plant-scale airlift fermentor. these cultures exhibited highly non-newtonian flow behavior coupled with a substantial decrease in oxygen transfer rates. the volumetric mass transfer coefficients in these cultures were found to be 65-70% lower than those in water. the data were compared with the available correlations obtained f ... | 1987 | 18581493 |
biomass photochemistry: xi. photochemical pretreatment of cellulose and its fungal degradation. | in order to study the single-cell proteins and cellulase production, fungal degradation of alpha-cellulose was tested. photochemical pretreatment of alpha-cellulose at lambda > 254 nm increases by over 100% the cellulase production by chrysonilia sitophila (tfb strain). this is reflected in a larger production of soluble proteins in the filtrate with higher cellulase activity when compared with unirradiated cellulose. single-cell protein production (insoluble proteins) was also improved after pr ... | 1988 | 18584595 |
occupational asthma caused by neurospora sitophila sensitization in a coffee dispenser service operator. | | 2009 | 19230470 |
screening pentachlorophenol degradation ability by environmental fungal strains belonging to the phyla ascomycota and zygomycota. | pentachlorophenol (pcp) bioremediation by the fungal strains amongst the cork-colonising community has not yet been analysed. in this paper, the co- and direct metabolism of pcp by each of the 17 fungal species selected from this community were studied. using hierarchical data analysis, the isolates were ranked by their pcp bioremediation potential. fifteen isolates were able to degrade pcp under co-metabolic conditions, and surprisingly chrysonilia sitophila, trichoderma longibrachiatum, mucor ... | 2009 | 19543759 |
occupational asthma ige mediated due to chrysonilia sitophila in coffee industry. | | 2009 | 19796225 |
occupational asthma induced by chrysonilia sitophila in a worker exposed to coffee grounds. | a new case of occupational asthma caused by chrysonilia sitophila (asexual state of neurospora sitophila) was diagnosed by molecular identification of the mold and confirmed by skin prick test, peak expiratory flow rate measurements, and experimental immunoglobulin e analysis. | 2010 | 20685936 |
assessment of allergenicity to fungal allergens of rohtak city, haryana, india. | fungal spores are known as one of the important bioparticles causing allergic manifestation in human beings. hence, knowledge of season and prevalence of the airborne allergens to which the patients are exposed is a prerequisite for proper diagnosis and treatment of allergic disorders in hypersensitive individuals. keeping this in view, aerial survey was performed in the atmosphere of rohtak city for 2 consecutive years (march 2008-february 2010), using a volumetric petri plate sampler. a total ... | 2014 | 24988378 |
biocontrol activity of bacillus subtilis isolated from agaricus bisporus mushroom compost against pathogenic fungi. | bacillus subtilis strain b154, isolated from agaricus bisporus mushroom compost infected by red bread mold, exhibited antagonistic activities against neurospora sitophila. antifungal activity against phytopathogenic fungi was also observed. the maximum antifungal activity was reached during the stationary phase. this antifungal activity was stable over a wide ph and temperature range and was not affected by proteases. assay of antifungal activity in vitro indicated that a purified antifungal sub ... | 2015 | 26050784 |
mechanisms of increased linamarin degradation during solid-substrate fermentation of cassava. | several fungi and bacteria, isolated from ugandan domestic fermented cassava, released hcn from linamarin in defined growth media. in 72 h, a bacillus sp. decreased the linamarin to 1% of initial concentrations, mucor racemosus to 7%, rhizopus oryzae and r. stolonifer to 30%, but neurospora sitophila and geotrichum candidum hardly degraded the linamarin. adding pectolytic and cellulolytic enzymes, but not linamarase, to root pieces under aseptic conditions, led to root softening and significantl ... | 1995 | 24414645 |
preparation and characterization of a green nano-support for the covalent immobilization of glucoamylase from neurospora sitophila. | the preparation of green nano supports for the covalent immobilization of enzymes is of special interest both from the economic and environmental point of view. in this contribution, we report on the synthesis of phytochemicals coated silver nanoparticles, which were used as a novel green support for the covalent immobilization of glucoamylase isolated from neurospora sitophila. the aqueous extract of fagonia indica was used as a source of reducing and capping agents for the reduction of silver ... | 2016 | 27395794 |
comparative characterization of proteins secreted by neurospora sitophila in solid-state and submerged fermentation. | although submerged fermentation (smf) accounts for most of current enzyme industries, it has been reported that solid-state fermentation (ssf) can produce higher enzyme yields in laboratory scale. in order to understand the reasons contributing to high enzyme production in ssf, this study compared the cellulase activities and secretomes of neurospora sitophila cultured in ssf and smf using steam exploded wheat straw as carbon source and enzyme inducer. the total amounts of protein and biomass (g ... | 2013 | 23676362 |