Zentralblatt fur Mikrobiologie最新文献

{"title":"Production of B-group vitamins by Azospirillum spp. Grown in media of different pH at different temperatures","authors":"H. Dahm ,&nbsp;H. Rózycki ,&nbsp;E. Strzelczyk ,&nbsp;C.Y. Li","doi":"10.1016/S0232-4393(11)80089-2","DOIUrl":"10.1016/S0232-4393(11)80089-2","url":null,"abstract":"<div><p>Studies were carried out on B-group vitamin (thiamine, biotin, nicotinic acid, riboflavin, pantothenic acid) production by 3 strains of <em>Azospirillum</em> (one derived from coniferous ectomycorrhizae and two — from sporocarps of ectomycorrhizal fungi) grown in media of different pH (5.5, 6.5, 7.5) at different temperatures (10 °C, 20 °C, 26 °C). Riboflavin was produced in largest amounts by all the strains studied; biotin was not detected in culture filtrates at all. Qualitative-quantitative composition of vitamins in post culture liquids of azospirilla depended on the temperature of growth, pH of the medium and on the strain studied. Thiamine was synthesized in largest quantities at pH 5.5 by all strains of <em>Azospirillum</em> — independently of the temperature of growth. In media of higher pH this vitamin was detected in considerably smaller amounts or was not detected at all. The smallest quantities — and the smallest numbers of vitamins produced were observed at temperature 10 °C and pH 5.5.</p></div><div><p>Es wurde die unterschiedliche Vitaminproduktion (B-Gruppe: Thiamin, Biotin, Nicotinsäure, Riboflavin, Pantothensäure) von <em>Azospirillum</em>-Stämmen untersucht. Die Stämme wurden von Mycorrhizen (1 Stamm) an Koniferen und aus Sporokarpien von Ektomycorrhiza-Pilzen gewonnen. Die Vitaminproduktion wurde beim Wachstum unter verschiedenen Temperaturbedingungen (10 °C, 20 °C, 26 °C) und bei verschiedenen pH-Werten (5,5, 6,5, 7,5) studiert. Riboflavin wurde in größeren Mengen von allen untersuchten Stämmen produziert, Biotin dagegen wurde in keinem der Kulturfiltrate nachgewiesen. Die qualitativ-quantitative Zusammensetzung der Vitamine in den Kulturfiltraten der Azospirillen war jeweils von den Temperaturen und den pH-Weiten des Mediums abhängig. Thiamin wurde am meisten bei pH 5,5 von allen Stämmen produziert, unabhängig von der Temperatur. In Medien mit höhern pH-Werten nahm die Thiaminbildung ab bzw. wurde nicht mehr nachgewiesen. Die geringste Menge an Vitaminen und die niedrigste Anzahl der Vitamine wurde bei 10 °C und bei pH 5,5 gebildet.</p></div>","PeriodicalId":77473,"journal":{"name":"Zentralblatt fur Mikrobiologie","volume":"148 3","pages":"Pages 195-203"},"PeriodicalIF":0.0,"publicationDate":"1993-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0232-4393(11)80089-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76578786","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Microbial hydrolysis of inulin-containing juice from Jerusalem Artichoke to fructose-syrup","authors":"B. Geitel ,&nbsp;W. Ryl ,&nbsp;B. Fiedler","doi":"10.1016/S0232-4393(11)80091-0","DOIUrl":"10.1016/S0232-4393(11)80091-0","url":null,"abstract":"<div><p>Microorganisms are better for hydrolysis of inulin from Jerusalem Artichokes to produce high-fructose syrup than acids or special enzymes. Dead cells of 3 from 4 investigated yeast-strains with inulase-activity are in the situation to hydrolyze 80% of inulin after 24 h in Jerusalem Artichoke juice under the following conditions: 50°C; pH 4.7; inoculum 1 · 10⁸ yeast cells/ml Jerusalem Artichoke juice. Under these conditions result 57 g/1 reducing sugars, among them 95% fructose.</p><p>The yeast-strains — adapted on Jerusalem Artichoke juice — hydrolyze under the same conditions only 57% pure inulin.</p><p>Because the polymerisation-rate of inulin in Jerusalem Artichoke vary seasonally the hydrolysis intensity and fructose-yields brought about by the yeasts may differ according to harvesting-time.</p></div><div><p>Für die Hydrolyse von Topinamburinulin zu fructosehaltigem Sirup eignen sich Mikroorganismen besser als Säuren oder spezielle Enzyme. Abgetötete Zellen von 3 der 4 untersuchten inulaseproduzierenden Hefestämme sind in der Lage, bei 50°C, pH-Wert 4,7 und einem Inoculum von 1 · 10⁸ Zellen/ml Topinambursaft, das enthaltene Inulin nach 24 Stunden zu 80% zu hydrolysieren. Es entstehen 57 g/1 reduzierende Substanzen, von denen etwa 95% Fructose sind. Die an den Topinambursaft adaptierten Hefen erzielen an reinem Inulin bei gleichen Bedingungen nur Hydrolysegrade von 57%.</p><p>Wegen des jahreszeitlich stark schwankenden Polymerisationsgrades des Inulins in der Topinambur können auch die durch die Hefen erzielten Hydrolysegrade und Fructoseausbeuten je nach Erntezeit schwanken.</p></div>","PeriodicalId":77473,"journal":{"name":"Zentralblatt fur Mikrobiologie","volume":"148 3","pages":"Pages 205-211"},"PeriodicalIF":0.0,"publicationDate":"1993-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0232-4393(11)80091-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56537647","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"","authors":"R. Borriss","doi":"10.1016/S0232-4393(11)80094-6","DOIUrl":"10.1016/S0232-4393(11)80094-6","url":null,"abstract":"","PeriodicalId":77473,"journal":{"name":"Zentralblatt fur Mikrobiologie","volume":"148 3","pages":"Page 222"},"PeriodicalIF":0.0,"publicationDate":"1993-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0232-4393(11)80094-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56537801","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Characterization of viable but nonculturable stage of C. coli, characterized with respect to electron microscopic findings, whole cell protein and lipooligosaccharide (LOS) patterns","authors":"J. Jacob ,&nbsp;W. Martin ,&nbsp;C. Höller","doi":"10.1016/S0232-4393(11)80073-9","DOIUrl":"10.1016/S0232-4393(11)80073-9","url":null,"abstract":"<div><p><em>Campylobacter coli</em> CK 205, isolated from swine feces, was examined for changes in cell morphology, protein and lipooligosaccharide (LOS) patterns during starvation-survial experiments. Bottles filled with sterile filtered A. dest. were seeded with campylobacters and incubated at 4°C and 37°C. Transition to the nonculturable stage occurred within 48 hours (37°C) and 2 weeks (4°C), respectively. In contrast to the culturability the electrophoretic studies showed no changes in whole cell protein or LOS patterns.The electron microscopic pictures revealed spiral and coccoid forms, partly with a slightly enlarged periplasmatic space or budding of the membrane. Totally intact non cultivable spiral or coccoid forms might be regarded as dormancy forms that cannot be detected by conventional microbiological methods in water examination.</p></div><div><p><em>Campylobacter coli</em> CK 205, aus Schweinefaeces isoliert, wurde sowohl bezüglich Zellmorphologie, als auch Protein-, und Lipooligosaccharidmustern im Rahmen von bei 4°C und 37°C durchgeführten Experimenten zum Kultivierbarkeitsverhalten im wäßrigen Millieu charakterisiert.</p><p>Der Übergang ins nichtkultivierbare Stadium erfolgte innerhalb von 48 Stunden bei 37°C und dauerte bei 4°C bis zu zwei Wochen.</p><p>Die elektrophoretische Charakterisierung von kultivierbaren und nichtkultivierbaren Campylobacterformen zeigte keinerlei Unterschiede in den Gesamtzellprotein-, und Lipooligosaccharidmustern. Die elektronenmikroskopischen Aufnahmen offenbaren spiralige und kokkoide Bakterienformen mit teilweise verbreitertem periplasmatischen Raum und Einstülpungen der Zellmembran. Vollständig intakte nichtkultivierbare spiralige beziehungsweise kokkoide Formen können als Dormanzstadien betrachtet werden, welche mit herkömmlichen mikrobiologischen Methoden der Wasseruntersuchung nicht charakterisiert werden können. Den beschriebenen nichtkultivierbaren aber wahrscheinlich noch lebensfähigen Campylobacterformen kommt hygienische Bedeutung zu. Die Einschätzung „nichtkultivierbar aber lebensfähig“ für Zellen aus der 37°C-Variante wird aus den identischen Elektrophoresemustern im Vergleich zu kultivierbaren Zellen abgeleitet.</p></div>","PeriodicalId":77473,"journal":{"name":"Zentralblatt fur Mikrobiologie","volume":"148 1","pages":"Pages 3-10"},"PeriodicalIF":0.0,"publicationDate":"1993-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0232-4393(11)80073-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91142319","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Characterization of viable but nonculturable stage of C. coli, characterized with respect to electron microscopic findings, whole cell protein and lipooligosaccharide (LOS) patterns.","authors":"J Jacob,&nbsp;W Martin,&nbsp;C Höller","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Campylobacter coli CK 205, isolated from swine feces, was examined for changes in cell morphology, protein and lipooligosaccharide (LOS) patterns during starvation-survival experiments. Bottles filled with sterile filtered A. dest. were seeded with campylobacters and incubated at 4 degrees C and 37 degrees C. Transition to the nonculturable stage occurred within 48 hours (37 degrees C) and 2 weeks (4 degrees C), respectively. In contrast to the culturability the electrophoretic studies showed no changes in whole cell protein or LOS patterns. The electron microscopic pictures revealed spiral and coccoid forms, partly with a slightly enlarged periplasmatic space or budding of the membrane. Totally intact non culturable spiral or coccoid forms might be regarded as dormancy forms that cannot be detected by conventional microbiological methods in water examination.</p>","PeriodicalId":77473,"journal":{"name":"Zentralblatt fur Mikrobiologie","volume":"148 1","pages":"3-10"},"PeriodicalIF":0.0,"publicationDate":"1993-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19434562","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Microbial biomass-persistence relationships of acifluorfen in a clay-loam soil.","authors":"P Perucci,&nbsp;L Scarponi","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The interference of the effect of the herbicide acifluorfen on microbial biomass and on hydrolytic capacity, and its persistence in a clay-loam soil before and after enrichment with glucose, were investigated. The experiment was carried out under laboratory conditions for 120 days. Acifluorfen was added to the soil at two different application rates corresponding to 1X and 10X the recommended field rate. Biomass-C was significantly higher in the enriched soil during the first 35 days; subsequently there was a tendency to return to the original value of the unenriched soil. The herbicidal treatments depressed the biomass-C level, particularly at the higher rate. The hydrolytic capacity, measured as FDA-hydrolase activity, was significantly higher in the enriched soil than in the unenriched soil. This was enhanced by acifluorfen treatment, chiefly at the higher rate. The degradation trend of acifluorfen was not significantly different at the two rates, but was significantly faster in the enriched soil. Half-life values of 28 and 40 days were found in the enriched and unenriched soil, respectively.</p>","PeriodicalId":77473,"journal":{"name":"Zentralblatt fur Mikrobiologie","volume":"148 1","pages":"16-23"},"PeriodicalIF":0.0,"publicationDate":"1993-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19434561","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of ecological factors on rhizobial spreading and nitrogen-fixing activities in Hungarian soil types","authors":"K. Köves-Péchy ,&nbsp;J. Szegi ,&nbsp;T. Szili Kovács","doi":"10.1016/S0232-4393(11)80086-7","DOIUrl":"10.1016/S0232-4393(11)80086-7","url":null,"abstract":"<div><p>The success in nitrogen-fixation ability of legumes (alfalfa, pea, fababean, soybean) is influenced by numerous biotic and abiotic factors. In soils of different chemical, physical and biological properties, and under different climatic conditions, the <em>Rhizobium</em> inoculation efficiency is very different, as well.</p><p>The soybean test plant showed the best inoculation effectivenes, succeeding by the fababean, and the least positive effect was observed — in accordance with the literature — in the alfalfa and pea plants. Hence, the soybean plant showed the smallest activity, related to the <em>Rhizobium</em> population occurred spontaneously in soil.</p><p>By additional PK fertilization together with <em>Rhizobium</em>-inoculation, the crop yield and nitrogen content values have been increased in a great per cent, at the same time, the nodule number and Acetylene Reduction Activity (ARA) values were not increased significantly, compared to the non-fertilized variants.</p><p>According to our observations, the inoculation efficiency was negatively influenced by the low PK values. As for soils, positive inoculation effect was obtained in the greatest per cent in case of brown forest and chernozem soils.</p></div><div><p>Aufgrund der Ergebnisse konnte festgestellt werden, daß die Stickstoffbindung der Leguminosen (Luzerne, Erbse, Ackerbohne, Soja) durch zahlreiche biotische und abiotische Faktoren beeinflußt wird. In Böden mit verschiedenen chemischen, physikalischen und biologischen Eigenschaften, sowie unter abweichenden Witterungsverhältnissen ist die Wirksamkeit der Impfung mit <em>Rhizobium</em> recht verschieden.</p><p>Die <em>Rhizobium</em>-Impfung wies die beste Wirksamkeit bei der Testpflanze Soja auf, eine geringere Wirkung zeigte sich bei Ackerbohnen, und die geringste Wirksamkeit konnte — im Einklang mit den Literaturangaben — im Falle von Luzerne und Erbsen nachgewiesen werden. Vom Standpunkt der im Boden spontan vorkommenden <em>Rhizobium</em>-Population aus betrachtet, wiesen aber die Soja-Rhizobien die geringste Aktivität auf.</p><p>Die <em>Rhizobium</em>-Impfung und eine Ergänzungsdüngung mit P und K steigerten den Ertrag und den Stickstoffgehalt recht bedeutend, aber die Anzahl der Knöllchen und die Acetylen-Reduktionsaktivität (ARA-Werte) wurden im Vergleich zu der ungedüngten Variante nicht signifikant gehoben, woraus man schließen kann, daß zwischen der Anzahl der Knöllchen und der Aktivität kein direktes Verhältnis besteht, sondern die Stickstoffbindung nur in den effektiven Knöllchen vor sich geht.</p><p>Anhand unserer Beobachtungen wird der Erfolg der Impfung durch einen niedrigen PK-Gehalt und einen hohen Stickstoffgehalt im Boden negativ beeinflußt. Bei den untersuchten, verschiedenen Bodentypen, hatte die Impfung in den meisten Fällen bei braunen Waldböden und bei Böden vom Tschernozem-Typ eine positive Wirkung.</p></div>","PeriodicalId":77473,"journal":{"name":"Zentralblatt fur Mikrobiologie","volume":"148 3","pages":"Pages 177-193"},"PeriodicalIF":0.0,"publicationDate":"1993-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0232-4393(11)80086-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56537208","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Utilization of dates in the fermentative formation of citric acid by Yarrowia lipolytica","authors":"A.A. Abou-Zeid ,&nbsp;Samir M. Khoja","doi":"10.1016/S0232-4393(11)80093-4","DOIUrl":"10.1016/S0232-4393(11)80093-4","url":null,"abstract":"<div><p><em>Yarrowia lipolytica</em> NRRL Y-1095 was found to be the most potent organism for citric acid formation. Utilization of different Barni date-coat sugar extract concentrations in the fermentation medium as carbon source was found to be good carbon in concentration of 25 mg/ml. Date-seed hydrolysate as nitrogen source for citric acid formation was suitable due to the presence of miscellaneous nitrogen sources, especially amino acids.</p><p>The yield of citric acid was increased with the increase of phosphorus concentration reaching its maximum when the medium was supplemented with about 1.0 mg KH₂PO₄/ml.</p><p>On using different oxaloacetic acid concentrations in the fermentation medium, it was found that citric acid was increased with the increase of oxaloacetic acid concentration reaching its maximum when the medium was supplemented with 0.4 mg/ml.</p></div><div><p><em>Yarrowia lipolytica</em> NRRL Y-1095 wurde als für die Citronensäureproduktion am meisten befähigter Stamm gefunden. Bei Verwendung von verschiedenen Zuckerextrakten aus Barni Dattelhüllen als C-Quelle für das Fermentationsmedium erwies sich eine Konzentration von 25 mg/ml am geeignetsten. Dattelsäuren-Hydrolysate waren als N-Quelle geeignet, infolge des Vorhandenseins verschiedener N-Substanzen, vor allem von Aminosäuren.</p><p>Die Ausbeute an Citronensäure steigt mit Erhöhung der Phosphor-Konzentration und erreicht das Maximum, wenn das Medium 1,0 mg KH₂PO₄/ml enthält.</p><p>Bei Vorhandensein verschiedener Oxalessigsäurekonzentrationen im Medium stellte sich heraus, daß die Citronensäure bei ansteigender Oxalessigsäurekonzentration zunimmt und ihr Maximum bei einer Zugabe von 0,4 mg/ml Medium erreicht.</p></div>","PeriodicalId":77473,"journal":{"name":"Zentralblatt fur Mikrobiologie","volume":"148 3","pages":"Pages 213-221"},"PeriodicalIF":0.0,"publicationDate":"1993-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0232-4393(11)80093-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56537770","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Puccinia lagenophorae, a rust fungus originating from australia, now found in mecklenburg-vorpommern","authors":"M. Scholler","doi":"10.1016/S0232-4393(11)80095-8","DOIUrl":"10.1016/S0232-4393(11)80095-8","url":null,"abstract":"<div><p><em>Puccinia lagenophorae</em>, a rust species originating from Australia and established in Europe since 1960 has been found for the first time in Mecklenburg-Vorpommern on <em>Senecio vulgaris</em> and <em>Calendula officinalis</em>. The species is described in detail. Possible reasons for the sparse findings of <em>P. lagenophorae</em> in the more continental climates of Europe were briefly discussed.</p></div><div><p><em>Puccinia lagenophorae</em>, eine aus Australien stammende und seit 1960 in Europa etablierte Rostpilzart, wurde erstmalig in Mecklenburg-Vorpommern auf <em>Senecio vulgaris</em> und <em>Calendula officinalis</em> gefunden. Die Art wird detailliert beschrieben. Mögliche Gründe für die wenigen <em>P. lagenophorae</em>-Nachweise in den kontinentaleren Klimaten Europas werden kurz diskutiert.</p></div>","PeriodicalId":77473,"journal":{"name":"Zentralblatt fur Mikrobiologie","volume":"148 3","pages":"Pages 223-228"},"PeriodicalIF":0.0,"publicationDate":"1993-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0232-4393(11)80095-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56537355","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effects of cadmium and mercury on growth and differentiation of Trichoderma viride","authors":"V. Frank ,&nbsp;G. Támová und L. Takácsová","doi":"10.1016/S0232-4393(11)80096-X","DOIUrl":"10.1016/S0232-4393(11)80096-X","url":null,"abstract":"<div><p><em>Trichoderma viride</em> showed distinct morphological changes and depressed growth rate in the presence of 1–10mmol/l Cd²⁺. Several morphological mutants were isolated. In the presence of 1−5 mmol/1 Hg²⁺ the growth of fungus was more inhibited but no mutants were obtained.</p></div><div><p>Die Applikation von 1−10 mmol/1 Cd²⁺ verursachte verschiedene morphologische Veränderungen und Wachstumshemmungen von <em>Trichoderma viride</em>. Mehrere morphologische Mutanten wurden isoliert. Nach der Applikation von 1–5 mmol/1 Hg²⁺ war die Hemmung des Wachstums zwar stärker, aber es wurden keine Mutanten gewonnen.</p></div>","PeriodicalId":77473,"journal":{"name":"Zentralblatt fur Mikrobiologie","volume":"148 3","pages":"Pages 229-232"},"PeriodicalIF":0.0,"publicationDate":"1993-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0232-4393(11)80096-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74218220","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}