abstract：:Extracellular proteases from 8 Antarctic psychrotolerant Pseudomonas sp. strains were purified and characterised. All of them are neutral metalloproteases, have an apparent molecular mass of 45kDa, optimal activity at 40 degrees C and pH 7-9, retaining significant activity at pH 5-11. With the exception of P96-18, whi...

journal_title：Microbiological research

authors： Vazquez SC,Coria SH,MacCormack WP

更新日期：2004-01-01 00:00:00

abstract：:The aim of this study was to assess the potential of lactic acid bacteria to inhibit the outgrowth of some common food-spoiling fungi. Culture supernatants of 17 Lactic acid bacterial strains as well as of three commercial probiotic cultures were evaluated for antifungal activity using an agar-diffusion method. The me...

journal_title：Microbiological research

authors： De Muynck C,Leroy AI,De Maeseneire S,Arnaut F,Soetaert W,Vandamme EJ

更新日期：2004-01-01 00:00:00

abstract：:Eight ectomycorrhizal fungal isolates of Pisolithus associated with Eucalyptus species in different parts of India were collected and the genetic variability of these isolates was studied by ITS-RFLP and ITS sequencing. All the isolates showed same RFLP patterns with each restriction enzyme, indicating all these isola...

journal_title：Microbiological research

authors： Singla S,Reddy MS,Marmeisse R,Gay G

更新日期：2004-01-01 00:00:00

abstract：:A strain of Fusarium moniliforme isolated from a tropical mangrove ecosystem near Mumbai, India and deposited in the National Collection of Industrial Microorganisms (NCIM) as F. moniliforme NCIM 1276. The organism produced a single extracellular polygalacturonase (PG I) [EC 3.2.1.15] at pH 5 and a single pectate lyas...

journal_title：Microbiological research

authors： Niture SK,Pant A

更新日期：2004-01-01 00:00:00

abstract：:Monodon baculovirls (MBV), external fouling organisms (EFO) and bacteria (especially Vibrio species) were monitored during 1996-1997 at nine different Penaeus monodon rearing hatcheries in India. Total cultivable heterotrophic bacteria, Vibrio-like-bacteria, presumptive Vibrio harveyi, Vibrio anguillarum, Vibrio vulni...

journal_title：Microbiological research

authors： Vaseeharan B,Ramasamy P

更新日期：2003-01-01 00:00:00

abstract：:Western immunoblot analyses of whole cell lysates probed with a human specific monoclonal anti-topoisomerase IIalpha antibody identified a 190 kDa protein over expressed in the arsenite resistant Leishmania donovani strain. The crude nuclear extract of the resistant strain showed higher topoisomerase II-like enzyme ac...

journal_title：Microbiological research

authors： Jayanarayan KG,Dey CS

更新日期：2003-01-01 00:00:00

abstract：:Selected isolates of Pseudomonas fluorescens (Pf1-94, Pf4-92, Pf12-94, Pf151-94 and Pf179-94) and chemical resistance inducers (salicylic acid, acetylsalicylic acid, DL-norvaline, indole-3-carbinol and lichenan) were examined for growth promotion and induced systemic resistance against Fusarium wilt of chickpea. A mar...

journal_title：Microbiological research

authors： Saikia R,Singh T,Kumar R,Srivastava J,Srivastava AK,Singh K,Arora DK

更新日期：2003-01-01 00:00:00

abstract：:During meiosis in Saccharomyces cerevisiae four daughter cells, called spores, are generated within the boundaries of the mother cell. This cell differentiation process requires de novo synthesis of prospore membranes (PSMs), which are the precursors of the spore plasma membranes. Assembly of these membranes is initia...

journal_title：Microbiological research

authors： Moreno-Borchart AC,Knop M

更新日期：2003-01-01 00:00:00

abstract：:One strain of Lactobacillus acidophilus was found to produce a bacteriocin-like substance in the culture filtrate. The substance was produced in a growth-associated manner, showed heat stability at neutral and acidic pH and exhibited antibacterial activity against various species of Lactobacillus including L. acidophi...

journal_title：Microbiological research

authors： Yamato M,Ozaki K,Ota F

更新日期：2003-01-01 00:00:00

abstract：:A polygalacturonase with a molecular mass of 74 kDa, an isoelectric point around pH 4.2 and pH--and temperature optima of 3.9 and 50 degrees C, respectively, was purified from a culture fluid of Penicillium frequentans. The enzyme was characterized as an exo-alpha-1,4-polygalacturonase (exo-PG I). Km and Vmax for sodi...

journal_title：Microbiological research

authors： dos Santos Cunha Chellegatti MA,Fonseca MJ,Said S

更新日期：2002-01-01 00:00:00

abstract：:The conditions for the sequential production of antibiotic activity by Talaromyces flavus were determined. The highest level of activity against Trypanosoma cruzi was obtained from the aqueous extract of the Czapeck's fermentative culture after 48 hours, with lysis of 97.58% of the trypomastigote forms of Trypanosoma ...

journal_title：Microbiological research

authors： Freitas TP,Furtado NA,Bastos JK,Said S

更新日期：2002-01-01 00:00:00

abstract：:Yeast colonies isolated from vineyard and cellar substrates were analysed in the present study. Yeast species assessment was carried out by amplification and digestion of a region of the ribosomal RNA gene repeat unit. Saccharomyces strains were also characterised using mitochondrial DNA restriction analysis. Oxidativ...

journal_title：Microbiological research

authors： Sabate J,Cano J,Esteve-Zarzoso B,Guillamón JM

更新日期：2002-01-01 00:00:00

abstract：:The rhizospheric soil microfungi from a native forest (undisturbed and disturbed) were studied using soil dilution plate and soil washing methods. Fungi were isolated using slightly acid and alkaline culture media. 54 taxa were isolated: 49 from undisturbed forest soil and 37 from disturbed forest soil. Acremonium sp....

journal_title：Microbiological research

authors： Cabello M,Arambarri A

更新日期：2002-01-01 00:00:00

abstract：:Actinomycetes have been isolated from three Brazilian tropical soils. The dispersion and differential centrifugation procedure revealed count values 1.5 to 5.0 times greater than those obtained by the conventional dilution plate technique for all soils and media tested. Eighteen strains, promising for biotechnological...

journal_title：Microbiological research

authors： Semêdo LT,Linhares AA,Gomes RC,Manfio GP,Alviano CS,Linhares LF,Coelho RR

更新日期：2001-03-01 00:00:00

abstract：:A marine Streptomyces sp. SNG9 was characterized by its ability to utilize poly(3-hydroxybutyrate) (PHB) and its copolymer poly(3-hydroxybutyrate-co-3-hydroxyvalerate P (3HB-co-HV). The bacterium grew efficiently in a simple mineral liquid medium enriched with 0.1 % poly(3-hydroxybutyrate) powder as the sole carbon so...

journal_title：Microbiological research

authors： Mabrouk MM,Sabry SA

更新日期：2001-01-01 00:00:00

abstract：:The aim of the present study, performed on typical Argiudolls in a natural reserve with little or no anthropic impact, was to characterize the fungous biomineralizing process of calcium oxalate crystals in organic horizons of the soil. The chosen sites possessed different plant cover, identified as acacia woods and gr...

journal_title：Microbiological research

authors： Oyarbide F,Osterrieth ML,Cabello M

更新日期：2001-01-01 00:00:00

abstract：:Two strains of Pseudomonas corrugata, (1 and 7), isolated from subtropical and temperate soils in Sikkim Himalaya, respectively, were subjected to Petri-dish as well as plant-based bioassay to examine their potential for disease suppression against three major pathogens of maize. A mixture of Pythium ultimum, P. arrhe...

journal_title：Microbiological research

authors： Pandey A,Palni LM,Hebbar KP

更新日期：2001-01-01 00:00:00

abstract：:A plant growth-promoting isolate of a fluorescent Pseudomonas sp. EM85 and two bacilli isolates MR-11(2) and MRF, isolated from maize rhizosphere, were found strongly antagonistic to Fusarium moniliforme, Fusarium graminearum and Macrophomina phaseolina, causal agents of foot rots and wilting, collar rots/stalk rots a...

journal_title：Microbiological research

authors： Pal KK,Tilak KV,Saxena AK,Dey R,Singh CS

更新日期：2001-01-01 00:00:00

abstract：:"Bryndza" is a traditional Slovak dairy product (type of soft cheese) made from sheep cheese which was ripened for 14 days. Because its manufacture, transporting and/or storing represent conditions which facilitate contamination, the effect of enterocin CCM4231 in "bryndza" was investigated with the aim to reduce the ...

journal_title：Microbiological research

authors： Lauková A,Czikková S

更新日期：2001-01-01 00:00:00

abstract：:The wild-type yeast Saccharomyces cerevisiae (S. cerevisiae) is able to export less than 1 percent of the protein to be secreted. The reasons for retention of most of the secretory proteins on the cell surface of S. cerevisiae are unknown. Recently, temperature-sensitive (ts) mutants of S. cerevisiae showing an overse...

journal_title：Microbiological research

authors： Alexandar I,Venkov P,Del Giudice A,Wolf K,Massardo DR,Del Giudice L

更新日期：2001-01-01 00:00:00

abstract：:In a laboratory incubation study, methane (CH4) production in two saline soils and a nonsaline soil sample was investigated under flooded conditions. Mean CH4 production was remarkable (630.86 ng CH4/g) in nonsaline alluvial soil, but low (12.97 ng CH4/g) in acid sulfate saline (Pokkali) soil which was attributed to t...

journal_title：Microbiological research

authors： Pattnaik P,Mishra SR,Bharati K,Mohanty SR,Sethunathan N,Adhya TK

更新日期：2000-09-01 00:00:00

abstract：:Shewanella putrefaciens was grown on a series of ten alternate compounds as sole terminal electron acceptor. Each cell type was analyzed for Fe(III) reduction activity, absorbance maxima in reduced-minus-oxidized difference spectra and heme-containing protein content. High-rate Fe(III) reduction activity, pronounced d...

journal_title：Microbiological research

authors： Blakeney MD,Moulaei T,DiChristina TJ

更新日期：2000-07-01 00:00:00

abstract：:Alternaria species have been recognized as important cause of allergic diseases and are considered opportunistic pathogens for immunocompromised individuals. In order to assess the contribution of waters to the spread of Alternaria, we examined 390 water samples of various origin for the presence of these microorganis...

journal_title：Microbiological research

authors： Arvanitidou M,Kanellou K,Constantinidis T,Katsouyannopoulos V

更新日期：2000-04-01 00:00:00

abstract：:In search of the optimal way to reduce the hazards of environmental contamination by formaldehyde (FD) and methanol the use of unconventional yeasts is proposed as exemplified by the methylotrophic yeast Hansenula polymorpha. In a very simplified environment of a model wastewater solution, H. polymorpha cells were abl...

journal_title：Microbiological research

authors： Kaszycki P,Kołoczek H

更新日期：2000-03-01 00:00:00

abstract：:Forty-one Lactobacillus strains were tested for antagonistic activity against nine strains of Vibrio. L. plantarum and L. casei were the most effective, and L. brevis was the least effective in inhibiting the growth of Vibrio species. L. gasseri and L. helveticus strains showed higher activity, while L. reuteri and L....

journal_title：Microbiological research

authors： Koga T,Mizobe T,Takumi K

更新日期：1998-11-01 00:00:00

abstract：:The organophosphorus hydrolase (OPH) of Nocardia sp. strain B-1 is capable of hydrolyzing organophosphate insecticides such as coumaphos and parathion. The 40,000 dalton OPH and the responsible gene (termed adpB) have been previously isolated and described. OPH activity in Nocardia strain B-1 is spontaneously lost at ...

journal_title：Microbiological research

authors： Mulbry W

更新日期：1998-11-01 00:00:00

abstract：:Recent studies have shown that the canonical Shine-Dalgarno (SD)-anti-SD interaction is dispensable for the initiation of translation of certain mRNAs in Escherichia coli. Alternative non-SD sequences (located upstream from the initiation codon) and also downstream sequences ("downstream boxes") complementary to 16S r...

journal_title：Microbiological research

authors： Odjakova M,Golshani A,Ivanov G,Abou Haidar M,Ivanov I

更新日期：1998-08-01 00:00:00

abstract：:By chemical permeabilization of E. coli cells with detergents and membrane active peptides considerable amounts of the periplasmic anti-PC-miniantibodies can be released. Releases of active miniantibodies of 31%, respectively of 38%, were obtained by exposing low cell density suspensions to nonionic detergents like Tr...

journal_title：Microbiological research

authors： Mörbe JL,Riesenberg D

更新日期：1997-12-01 00:00:00

abstract：:We have examined the capacity of Halobacterium halobium and Sulfolobus solfataricus to withstand the lethal effect of hydrogen peroxide and N-methyl-N'-nitro-N-nitrosoguanidine [corrected]. We tested a variety of pretreatment regimens with both mutagens and all failed to elicit an inducible response to the lethal eff...

journal_title：Microbiological research

authors： Prail CA,Taylor WD

更新日期：1997-09-01 00:00:00

abstract：:Leukotoxins produced by staphylococci, especially Staphylococcus aureus, have long been considered important virulence determinants. The present assay examined 26 strains of staphylococci isolated from sheep for their ability to produce factors leukotoxic to polymorphonuclear leukocytes deriving from ovine mammary gla...

journal_title：Microbiological research

authors： Burriel AR,Dagnall GJ

更新日期：1997-09-01 00:00:00

abstract：:Three classes of cell wall-defective mutants of the unicellular green alga Chlamydomonas reinhardtii have been described in the literature differing with respect to the amounts of cell wall material and its attachment to the plasma membrane, respectively. We have compared the production of the chaotrope-soluble cell w...

journal_title：Microbiological research

authors： Voigt J,Hinkelmann B,Harris EH

更新日期：1997-07-01 00:00:00

abstract：:The genes that encode the alpha and beta subunits of protocatechuate 3,4-dioxygenase (3,4-PCD [EC 1.13.11.3]) were cloned from a Pseudomonas marginata genomic library. These genes pcaG and pcaH, were found when screening the library for hydrolase genes. The two open reading frames of the PCD genes could be identified ...

journal_title：Microbiological research

authors： Petersen E,Zuegg J,Ribbons DW,Schwab H

更新日期：1996-12-01 00:00:00

abstract：:Penicillium freii (Lund and Frisvad 1994) mutants deficient in the synthesis of xanthomegnin were isolated. In vitro translated mRNA populations from selected radiation induced mutants and naturally occurring P. freii strains not able to produce xanthomegnin were examined by 2-dimensional polyacrylamide gel electropho...

journal_title：Microbiological research

authors： Nicolaisen M,Sandal T,Frisvad JC,Rossen L

更新日期：1996-08-01 00:00:00

abstract：:Changes in microbial numbers and activities in a soil in response to bentazon applied at 10 and 100 ppm were studied after 4 and 30 weeks of incubation in laboratory conditions. As regards the eight general and functional microbial groups studied (aerobic and anaerobic bacteria, fungi, aerobic and anaerobic N2-fixing ...

journal_title：Microbiological research

authors： Allievi L,Gigliotti C,Salardi C,Valsecchi G,Brusa T,Ferrari A

更新日期：1996-03-01 00:00:00

abstract：:Infection caused by enterotoxigenic Escherichia coli (ETEC) poses a serious health problem to children in developing countries. Colonization of the small intestinal mucosa by ETEC strains is mediated by antigenically specific fimbriae, also known as colonization factor antigens (CFA). The importance of this study aris...

journal_title：Microbiological research

authors： Oyofo BA,el-Etr SH,Wasfy MO,Peruski L,Kay B,Mansour M,Campbell JR,Svennerholm AM,Churilla AM,Murphy JR

更新日期：1995-11-01 00:00:00

abstract：:The inhibitory effect of onion oil against the growth of various isolates of bacteria representing Gram-positive (4 isolates) and Gram-negative (4 isolates) species were studied. Results show that onion oil was highly active against all Gram-positive bacteria tested and only one isolate (Klebsiella pneumoniae) of Gram...

journal_title：Microbiological research

authors： Zohri AN,Abdel-Gawad K,Saber S

更新日期：1995-05-01 00:00:00

abstract：:The complete genomic DNA sequence was determined for one of the gene for the elongation factor 1 alpha (TEF), isolated from the zygomycete Absidia glauca. Sequence comparison with TEF genes from other fungi show the highest similarity to TEF-genes of the closely related zygomycete Mucor racemosus (Sundstrom et al. 198...

journal_title：Microbiological research

authors： Burmester A

更新日期：1995-03-01 00:00:00