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Revista de la Asociacion Argentina de Microbiologia最新文献

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[Production of alkaline protease from acid cheese whey]. [从酸性奶酪乳清中生产碱性蛋白酶]。
Revista de la Asociacion Argentina de Microbiologia Pub Date : 1978-01-01
A E Massucco, L A Mazza, A P Balatti
{"title":"[Production of alkaline protease from acid cheese whey].","authors":"A E Massucco,&nbsp;L A Mazza,&nbsp;A P Balatti","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The use of acid cheese whey as an essential substrate for the production of alkaline protease was studied by growing Bacillus subtilis NRRL 3411 on different conditions of aereation. The maximum enzymatic activity of 17 000 proteolytic units was obtained in the following conditions: 200 RPM, air flow of 1 v/v minutes (KLa 37 h-1), separate sterilization of the medium components and periodical additions of peptone.</p>","PeriodicalId":76441,"journal":{"name":"Revista de la Asociacion Argentina de Microbiologia","volume":"10 1","pages":"14-19"},"PeriodicalIF":0.0,"publicationDate":"1978-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11319235","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
[Cellular hypersensitivity in the infection of mice by Junin virus. I. Passive transfer]. 朱宁病毒感染小鼠的细胞超敏反应。1 .被动转移]。
Revista de la Asociacion Argentina de Microbiologia Pub Date : 1977-09-01
M R Nejamkis, O A Giovanniello, N R Nota
{"title":"[Cellular hypersensitivity in the infection of mice by Junin virus. I. Passive transfer].","authors":"M R Nejamkis,&nbsp;O A Giovanniello,&nbsp;N R Nota","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The data presented confirm previous evidence of delayed hypersensitivity in mice following infection with Junin virus. Adaptive transfer of sensitized cells from adult mice which had received 5 Junin virus injections into preinfected newborn mice shortened their survival by 72 hours. It was clear, however, that the development of the immunological mechanism in adult mice occurred under certain conditions. This evidence was confirmed by the observations that the induction of cell-mediated immunity and the response of sensitized lymphocytes to viral antigens appeared to be related to multiple injections of the virus. On the other hand, the sensitized cells were present in adult mice by day 9 and vanished 60 days after the infection. These results revealed the difference between the lymphoid cells from adult mice in the early and the late stages of immunity. The implications of these results in the development of the fatal neurological disease induced by the Junin virus in newborn mice are discussed.</p>","PeriodicalId":76441,"journal":{"name":"Revista de la Asociacion Argentina de Microbiologia","volume":"9 3","pages":"85-91"},"PeriodicalIF":0.0,"publicationDate":"1977-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11423887","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
[Neutralizing and protecting antibodies in the serum cattle vaccinated against foot and mouth disease]. [中和和保护接种口蹄疫疫苗的牛血清中的抗体]。
Revista de la Asociacion Argentina de Microbiologia Pub Date : 1977-09-01
A M Brunengo, A M Díaz Primerano, O A Peso
{"title":"[Neutralizing and protecting antibodies in the serum cattle vaccinated against foot and mouth disease].","authors":"A M Brunengo,&nbsp;A M Díaz Primerano,&nbsp;O A Peso","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":76441,"journal":{"name":"Revista de la Asociacion Argentina de Microbiologia","volume":"9 3","pages":"115-25"},"PeriodicalIF":0.0,"publicationDate":"1977-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11424062","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
[Cellular hypersensitivity in the infection of mice by Junin virus. III. Experience with Cr51 an antitheta serum]. 朱宁病毒感染小鼠的细胞超敏反应。3Cr51和抗θ血清的使用经验]。
Revista de la Asociacion Argentina de Microbiologia Pub Date : 1977-09-01
N R Nota, M R Nejamkis, O A Giovanniello, F Celeste
{"title":"[Cellular hypersensitivity in the infection of mice by Junin virus. III. Experience with Cr51 an antitheta serum].","authors":"N R Nota,&nbsp;M R Nejamkis,&nbsp;O A Giovanniello,&nbsp;F Celeste","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Several aspects of the appearance and development of delayed hypersensitivity in mice infected with Junin virus are described. The results obtained showed that the development of the immunological mechanisms occurs irrespective of age. Spleen cells of donor mice inoculated with one i.p. dose of Junin virus had a poor cytotoxic activity, as demonstrated by 51Cr release and adoptive immunity procedures. Spleen cells treated with anti-theta serum and complement did not strikingly affect the development of Junin virus disease in mice. This demonstrated the capacity of T lymphocytes to influence the course of the viral infection of newborn mice adoptively transferred with immune spleen cells. No difference were detected in the virus titer in the brains of transferred and control animals, this fact suggests that immune T lymphocytes are not involved in Junín virus clearance.</p>","PeriodicalId":76441,"journal":{"name":"Revista de la Asociacion Argentina de Microbiologia","volume":"9 3","pages":"85-91"},"PeriodicalIF":0.0,"publicationDate":"1977-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11423890","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
[Experimental infection of goats with Brucella ovis. Bacteriological serological and histopathological studies]. 山羊感染布鲁氏菌的实验研究。细菌学、血清学和组织病理学研究]。
Revista de la Asociacion Argentina de Microbiologia Pub Date : 1977-09-01
C García-Carbrillo, R Casas-Olascoaga, A Cuba-Caparó, N Lucero, B Szyfres
{"title":"[Experimental infection of goats with Brucella ovis. Bacteriological serological and histopathological studies].","authors":"C García-Carbrillo,&nbsp;R Casas-Olascoaga,&nbsp;A Cuba-Caparó,&nbsp;N Lucero,&nbsp;B Szyfres","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The susceptibility of adult male goats to Brucella ovis infection was studied. Fifteen goats and fifteen rams both of ages ranging from 22 to 34 months were inoculated conjunctivally with 10(9) cells of B. ovis strain recently isolated from a case of ram epididymitis. Five goats and five rams were killed 78 days after inoculation and similar groups were killed at two month intervals thereafter. B. ovis was recovered from semen of a male goat, 33 and 61 days after inoculation. The five goats sacrificed 78 days after inoculation contained Brucella in their organs. The semen and the tissues of the two other groups remained culturally negative throughout the observation period. Seven cultures were obtained from the semen of 14 rams used comparatively as inoculated controls. Epididymitis was clinically observed only in one male goat although under six presented macroscopic lesions. Seven rams out of the 15 inoculated showed clinical symptoms of epididymitis. Antibodies detectable by complement fixation and immunodiffusion disappeared 80 days after inoculation in goats, while rams reacted during the 189 days period of observation. It is concluded that the B. ovis infection in male goats is transient and the role that they may play in the epizootiology of the disease is negligible.</p>","PeriodicalId":76441,"journal":{"name":"Revista de la Asociacion Argentina de Microbiologia","volume":"9 3","pages":"101-8"},"PeriodicalIF":0.0,"publicationDate":"1977-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11816641","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
[Presence of resistance factors to antibiotics in multiresistant enterobacteria]. [多重耐药肠杆菌中抗生素耐药因素的存在]。
Revista de la Asociacion Argentina de Microbiologia Pub Date : 1977-09-01
J L Parada, J De Nardo, M Rebollo, F Marcenac, A Fernández
{"title":"[Presence of resistance factors to antibiotics in multiresistant enterobacteria].","authors":"J L Parada,&nbsp;J De Nardo,&nbsp;M Rebollo,&nbsp;F Marcenac,&nbsp;A Fernández","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The present study was carried out with 111 multiresistant pathogenic strains of enterobacterias isolated from different sources with increased resistance to three or more antibiotics. Among the identified species are included E. coli, Shigella sp., Salmonella oranienburg, Klebsiella pneumoniae and Citrobacter freundii. In general, the minimal inhibitory concentration of antibiotics was above 100 microgram/ml and in some cases it was superior to 1000 microgram/ml. Resistance transfer factors were detected in 72% of the strains; 33% movilized the complete pattern of resistance and 67% did it partially because some of the determinants were not transfered. The Citrobacter strains show a high frequency of transference (10(-1)), while for the others species it was in the order of 10(-2)--10(-3). The use of a multi-inoculator allows to perform in a simple way the preliminar evaluation about the presence or absence of R transfer factors in multiresistant strains. This technique has shown good correlation with the data obtained by the usual dilution and plating method.</p>","PeriodicalId":76441,"journal":{"name":"Revista de la Asociacion Argentina de Microbiologia","volume":"9 3","pages":"109-14"},"PeriodicalIF":0.0,"publicationDate":"1977-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11816635","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
[Outbreak of leptospirosis in children at Longchamps, province of Buenos Aires, Argentina: laboratory diagnosis]. [阿根廷布宜诺斯艾利斯省朗尚儿童钩端螺旋体病暴发:实验室诊断]。
Revista de la Asociacion Argentina de Microbiologia Pub Date : 1977-09-01
R A Cacchione, E S Cascelli, M A Saraví, E S Martínez
{"title":"[Outbreak of leptospirosis in children at Longchamps, province of Buenos Aires, Argentina: laboratory diagnosis].","authors":"R A Cacchione,&nbsp;E S Cascelli,&nbsp;M A Saraví,&nbsp;E S Martínez","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":76441,"journal":{"name":"Revista de la Asociacion Argentina de Microbiologia","volume":"9 3","pages":"126-8"},"PeriodicalIF":0.0,"publicationDate":"1977-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11816638","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
[Immunology of systemic mycoses. II. Opportunistic mycoses]. 系统性真菌病免疫学。2机会性真菌病)。
Revista de la Asociacion Argentina de Microbiologia Pub Date : 1977-05-01
R Negroni
{"title":"[Immunology of systemic mycoses. II. Opportunistic mycoses].","authors":"R Negroni","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":76441,"journal":{"name":"Revista de la Asociacion Argentina de Microbiologia","volume":"9 2","pages":"74-84"},"PeriodicalIF":0.0,"publicationDate":"1977-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11796349","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 Vibrio parahemolyticus from mussel varieties in Argentina]. [阿根廷贻贝品种中副溶血性弧菌的分离]。
Revista de la Asociacion Argentina de Microbiologia Pub Date : 1977-05-01
J M Casellas, M A Caría, M E Gerghi
{"title":"[Isolation of Vibrio parahemolyticus from mussel varieties in Argentina].","authors":"J M Casellas,&nbsp;M A Caría,&nbsp;M E Gerghi","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":76441,"journal":{"name":"Revista de la Asociacion Argentina de Microbiologia","volume":"9 2","pages":"41-53"},"PeriodicalIF":0.0,"publicationDate":"1977-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11799067","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
[Production of inoculates for leguminous plants. Production of cellular suspensions of Rhizobium (Lotus group)]. 豆科植物接种苗的生产。根瘤菌(荷花群)细胞悬浮液的生产。
Revista de la Asociacion Argentina de Microbiologia Pub Date : 1977-05-01
A P Balatti, L A Mazza, C R Lopreto
{"title":"[Production of inoculates for leguminous plants. Production of cellular suspensions of Rhizobium (Lotus group)].","authors":"A P Balatti,&nbsp;L A Mazza,&nbsp;C R Lopreto","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The influence of culture medium composition and operative conditions on the cellular growth of Rhizobium sp (group Lotus) strain is studied. As much as 1 x 10(9) cell/ml were obtained in 16 hours using sucrose in the medium as carbon source. The best growth rate was obtained (mu = O,22 h-1) when the experiments were performed at 400 r.p.m. and one volume of air/volume of medium x minute (OAR = 793,0 ml of oxygen/1 h).</p>","PeriodicalId":76441,"journal":{"name":"Revista de la Asociacion Argentina de Microbiologia","volume":"9 2","pages":"62-7"},"PeriodicalIF":0.0,"publicationDate":"1977-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11799070","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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