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Acta microbiologica Academiae Scientiarum Hungaricae最新文献

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Growth inhibitory effect of mouse interferon in transformed cells. 小鼠干扰素对转化细胞的生长抑制作用。
Acta microbiologica Academiae Scientiarum Hungaricae Pub Date : 1981-01-01
L Borecký, V Hajnická, P Kontsek, V Lacković, G Russ, J Pĕknicová, J Capková, J Rajcáni, N Fuchsberger
{"title":"Growth inhibitory effect of mouse interferon in transformed cells.","authors":"L Borecký, V Hajnická, P Kontsek, V Lacković, G Russ, J Pĕknicová, J Capková, J Rajcáni, N Fuchsberger","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":75387,"journal":{"name":"Acta microbiologica Academiae Scientiarum Hungaricae","volume":"28 3","pages":"271-82"},"PeriodicalIF":0.0,"publicationDate":"1981-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"17236830","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}
引用次数: 0
Formalin stress reaction of germfree and conventional mice treated with Bordetella pertussis vaccine. 百日咳博德泰拉疫苗对无菌小鼠和普通小鼠福尔马林应激反应的影响。
Acta microbiologica Academiae Scientiarum Hungaricae Pub Date : 1981-01-01
P Anderlik, M Wessely, I Szeri, Z Bános, I U Rápolthy, J Budai
{"title":"Formalin stress reaction of germfree and conventional mice treated with Bordetella pertussis vaccine.","authors":"P Anderlik,&nbsp;M Wessely,&nbsp;I Szeri,&nbsp;Z Bános,&nbsp;I U Rápolthy,&nbsp;J Budai","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Germfree and conventional mice responded similarly to pertussis vaccine treatment. In both groups, lymphocytosis and splenomegaly developed in a similar proportion. The formalin stress reaction of germfree and conventional mice with hypertrophic lymphoid organs induced by pertussis vaccine differed from that of untreated mice: the treated germfree and conventional mice showed a acute increase of lymphocytosis without an significant change in splenomegaly.</p>","PeriodicalId":75387,"journal":{"name":"Acta microbiologica Academiae Scientiarum Hungaricae","volume":"28 4","pages":"359-65"},"PeriodicalIF":0.0,"publicationDate":"1981-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18328656","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}
引用次数: 0
IgG-Fc-binding receptors in cells abortively infected, or transformed, by human cytomegalovirus. 人巨细胞病毒感染或转化失败细胞中的igg - fc结合受体。
Acta microbiologica Academiae Scientiarum Hungaricae Pub Date : 1981-01-01
E Gönczöl, I Boldogh, L Váczi
{"title":"IgG-Fc-binding receptors in cells abortively infected, or transformed, by human cytomegalovirus.","authors":"E Gönczöl,&nbsp;I Boldogh,&nbsp;L Váczi","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Abortive human cytomegalovirus (HCMV) infection of normal hamster cells is accompanied by formation of cytoplasmic and surface receptors for the Fc portion of nonimmune IgG molecules. The process requires RNA and protein synthesis but no DNA synthesis. The surface receptors are detectable only transiently, in a small proportion of the cells. The receptors are also present in cells transformed by HCMV in vitro (87-TRH-5 and CX-90-3B cell lines) as well as in cells of lines TSC-1 and TSC-2 from tumours induced by these cells. Consequently, the indirect immunofluorescence test performed with sera containing no HCMV antibodies may give a positive reaction in the cytoplasm and/or cell membrane of the transformed cells.</p>","PeriodicalId":75387,"journal":{"name":"Acta microbiologica Academiae Scientiarum Hungaricae","volume":"28 2","pages":"157-64"},"PeriodicalIF":0.0,"publicationDate":"1981-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"17329260","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}
引用次数: 0
Protoplast fusion in the yeast Candida utilis. 酵母菌的原生质体融合。
Acta microbiologica Academiae Scientiarum Hungaricae Pub Date : 1981-01-01
J M Delgado, L S Herrera
{"title":"Protoplast fusion in the yeast Candida utilis.","authors":"J M Delgado,&nbsp;L S Herrera","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Protoplasts obtained by snail enzyme treatment from two stable auxotrophic mutants of the yeast Candida utilis were induced to fuse by the use of polyethylene glycol. The hybrids formed from the auxotrophic parental strains were selected by complementation on stabilized minimal medium. Many of the hybrids were unstable and readily dissociated into their parental strains. Others, in which parental nuclei had fused, gave stable hybrid progeny. cytological and genetic evidence of these processes is presented.</p>","PeriodicalId":75387,"journal":{"name":"Acta microbiologica Academiae Scientiarum Hungaricae","volume":"28 4","pages":"339-45"},"PeriodicalIF":0.0,"publicationDate":"1981-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18212406","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}
引用次数: 0
Proticine typing of serologically defined Proteus strains. 血清学上定义的变形杆菌菌株的原蛋白分型。
Acta microbiologica Academiae Scientiarum Hungaricae Pub Date : 1981-01-01
K Csiszár, B Lányi
{"title":"Proticine typing of serologically defined Proteus strains.","authors":"K Csiszár,&nbsp;B Lányi","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Serologically defined Proteus strains including 120 P. vulgaris, 356 P. mirabilis, 47 P. morganii, 36 P. rettgeri and 66 P. inconstans cultures isolated from a wide variety of sources, were classified by proticine (bacteriocine) typing. Using Cradock-Watson's set of indicator and producer strains, the isolates were tested for proticine production (P type) and for proticine sensitivity (S type). P. vulgaris was typable by the P method in 4.1%, by the S method in 41.6%. The respective percentages for P. mirabilis were 60.1 and 48.9. Most strains of P. morganii, P. rettgeri and P. inconstans were untypable by both methods. A correlation has been demonstrated between P/S types and certain serogroups and serotypes of P. mirabilis. It has been concluded that, in combination with the determination of O and H antigens, the P/S method of proticine typing has a high differentiating value in the epidemiological tracing of P. vulgaris and P. mirabilis.</p>","PeriodicalId":75387,"journal":{"name":"Acta microbiologica Academiae Scientiarum Hungaricae","volume":"28 1","pages":"111-8"},"PeriodicalIF":0.0,"publicationDate":"1981-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18069153","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}
引用次数: 0
Effect of methicillin on the fatty acid composition of phospholipids in methicillin sensitive Staphylococcus aureus. 甲氧西林对甲氧西林敏感金黄色葡萄球菌磷脂脂肪酸组成的影响。
Acta microbiologica Academiae Scientiarum Hungaricae Pub Date : 1981-01-01
F Rozgonyi, P Biacs, K Szitha, J Kiss
{"title":"Effect of methicillin on the fatty acid composition of phospholipids in methicillin sensitive Staphylococcus aureus.","authors":"F Rozgonyi,&nbsp;P Biacs,&nbsp;K Szitha,&nbsp;J Kiss","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The effect of two concentrations of methicillin on the distribution of fatty acid (FA) in the individual phospholipids of the middle-log phase cultures of Staphylococcus aureus 5814S sensitive to methicillin was studied during a period of 2 h. In the presence of 1/2 X minimum inhibitory concentration (MIC) of methicillin (= 1 microgram/ml) the ratio of unsaturated fatty acid (UFA) + branched fatty acid (BFA) to saturated fatty acid (SFA) in the phosphatidic acid (PA) and in the C55-isoprenylphosphate (C55-IP) became significantly higher due mainly to the accumulation of n-C12 : 3, ai-C17 : 0, and ai-C19 : 0, and to the fall of n-C14 : 0, n-C16 : 0, and n-C20 : 0 in the PA, and to the 3-fold increase in n-C12 : 3 and a 2-fold decrease in the SFAs of the C55-IP. In contrast, the ratio of UFA + BFA to SFA was smaller in the phosphatidylglycerol (PG) and lysylphosphatidylglycerol (LPG) than that of the control. The reduction was attributed to a loss of ai-C15 : 0 and a gain of n-C20 : 0 in the PG, and to the decrease in ai-C17 : 0 and to the increase in n-C20 : 0 in the LPG. On the whole, the fluidity of the membrane phospholipids decreased. In the presence of 1 X MIC of methicillin (= 2 micrograms/ml) the ratio of UFA + BFA to SFA became higher in the PA due mainly to the prevention of the release of n-C18 : 1. In all the other phospholipids the ratio of UFA + BFA to SFA was smaller than in the control of the same age. The decrease in the ratios ranged in the order of C55-IP, PG, diphosphatidylglycerol (DPG) and LPG. The changes were attributed to the decrease in the proportion of n-C12 : 3 and ai-C15 : 0 or ai-C17, and to the increase in n-C20 : 0, except DPG. Thus the membranes in methicillin treated cocci were significantly less fluid than in the controls.</p>","PeriodicalId":75387,"journal":{"name":"Acta microbiologica Academiae Scientiarum Hungaricae","volume":"28 1","pages":"97-110"},"PeriodicalIF":0.0,"publicationDate":"1981-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18271615","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}
引用次数: 0
Effect of immunostimulating agents on viral infections. 免疫刺激剂对病毒感染的影响。
Acta microbiologica Academiae Scientiarum Hungaricae Pub Date : 1981-01-01
A Zerial, G H Werner
{"title":"Effect of immunostimulating agents on viral infections.","authors":"A Zerial,&nbsp;G H Werner","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":75387,"journal":{"name":"Acta microbiologica Academiae Scientiarum Hungaricae","volume":"28 3","pages":"325-37"},"PeriodicalIF":0.0,"publicationDate":"1981-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"17236725","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}
引用次数: 0
Reliability of the rabbit pyrogen test and of the limulus test in predicting the pyrogenicity of vaccines in man. 兔热原试验和鲎试验预测疫苗在人体内热原性的可靠性。
Acta microbiologica Academiae Scientiarum Hungaricae Pub Date : 1981-01-01
G Nyerges, I Jaszovszky
{"title":"Reliability of the rabbit pyrogen test and of the limulus test in predicting the pyrogenicity of vaccines in man.","authors":"G Nyerges,&nbsp;I Jaszovszky","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Commercial vaccines including bacterial as well as live and inactivated viral vaccines were examined in the rabbit pyrogen test and in the limulus test. The laboratory results were compared with the reactivity in humans. A fairly good correlation was found between the temperature rise in rabbits and the frequency of febrile reaction in the vaccinees. Two rabies vaccines and a tick-borne encephalitis virus vaccine, each pyrogenic both in rabbit and in man. were negative in the limulus test. The pyrogenicity of these vaccines is attributed to the vaccine virus itself.</p>","PeriodicalId":75387,"journal":{"name":"Acta microbiologica Academiae Scientiarum Hungaricae","volume":"28 3","pages":"235-43"},"PeriodicalIF":0.0,"publicationDate":"1981-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18316922","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}
引用次数: 0
The colonial microtexture of human mycobacterial strains isolated in Burma. 缅甸分离的人类分枝杆菌菌株的群落显微结构。
Acta microbiologica Academiae Scientiarum Hungaricae Pub Date : 1981-01-01
L Sula
{"title":"The colonial microtexture of human mycobacterial strains isolated in Burma.","authors":"L Sula","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Sixteen strains of Mycobacterium tuberculosis isolated in Burma were investigated for microcolonial texture using the thin section technique developed at the WHO Collaborating Centre in Prague. The strains were grown in deep (Sula's liquid medium) and surface cultures (Loevenstein-Jensen medium). Their colonies killed by 10% formol were embedded in 2% agar and paraffin, cut by a Reichert microtome and stained by the Ziehl-Neelsen technique. According to the surface texture and deep growth pattern, the Burmese strains were divided in three different groups. The European type was characterized by a growth strictly confined to the surface of the Loevenstein-Jensen medium, the African type by combined surface and subsurface growth, and the Burmese type not seen in Europe and Africa by non acid-fast granular and acid-fast colonies with distinct formation of strongly acid-fast cords both in surface and subsurface growth.</p>","PeriodicalId":75387,"journal":{"name":"Acta microbiologica Academiae Scientiarum Hungaricae","volume":"28 3","pages":"229-34"},"PeriodicalIF":0.0,"publicationDate":"1981-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"17517583","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}
引用次数: 0
Isolation of mycobacteria from contaminated material on selective media. 选择培养基从污染物质中分离分枝杆菌。
Acta microbiologica Academiae Scientiarum Hungaricae Pub Date : 1981-01-01
B Körmendy, M Bánki, I Szabó
{"title":"Isolation of mycobacteria from contaminated material on selective media.","authors":"B Körmendy,&nbsp;M Bánki,&nbsp;I Szabó","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>A procedure more efficient than the earlier ones was developed for the isolation of mycobacteria from heavily contaminated materials. The contaminating microbes were killed by acid decontamination preceded by an incubation of 1 g sample in 5 ml nutrient broth at 33 degrees C for 4 h. The efficiency of isolation was examined using culture media containing varying concentrations of dimetridazole and/or clotrimazole (Canesten Bayer). None of 40 mycobacterial strains representing all 4 Runyon groups was inhibited by 80 micrograms/ml of either of the inhibitors. From the sediment of acid-decontaminated samples, Löwenstein-Jensen medium containing 10 micrograms/ml of both dimetridazole and clotrimazole as well as Petragnani medium with and without glycerol and Sula media were inoculated. Model experiments and processing of 44 routine samples have made likely that aerobic sporeformers on the one hand and fungi and anaerobes on the other are killed, or at least depressed in growth, by pre-incubation combined with the addition of clotrimazole and dimetridazole to the culture medium. Thus, the isolation rate of mycobacteria can be improved.</p>","PeriodicalId":75387,"journal":{"name":"Acta microbiologica Academiae Scientiarum Hungaricae","volume":"28 1","pages":"1-5"},"PeriodicalIF":0.0,"publicationDate":"1981-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18069152","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}
引用次数: 0
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