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Amino acid utilization by Aerobacter aerogenes and Escherichia coli

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dc.contributor.advisor Murray P. Harwood. en_US
dc.contributor.author Herrera, Rodolfo Eduardo en_US
dc.contributor.other Massachusetts Institute of Technology. Dept. of Biology and Public Health. en_US
dc.date.accessioned 2011-01-26T14:18:02Z
dc.date.available 2011-01-26T14:18:02Z
dc.date.issued 1938 en_US
dc.identifier.uri http://hdl.handle.net/1721.1/60746
dc.description Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Biology and Public Health, June 1938. en_US
dc.description "May 1938." en_US
dc.description Includes bibliographical references (leaves 51-56) en_US
dc.description.abstract A considerable amount of work has been done on the growth of A. aerogenes and E. coli in synthetic media, but little work has been undertaken on the utilization by these organisms of amino acids as comparative sources of nitrogen. The most valuable study of this subject was made by Koser and Rettger in 1918, but it is incomplete due to the fact that only a few amino acids were tried and it also seems to lack in scientific precision. J. Howard Mueller more recently worked extensively with amino acids but he was interested in pathogenic organisms (Pneumococcus, Streptococuss hemolyticus and diphtheria Bacillus) more than in the two species we are studying and, furthermore, we do not approve completely of the methods of inoculation and of growth measurement he used. (See under these headings in the following pages.) Thus there appears to be a great opportunity for further investigation in this field leading to the acquirement of more knowledge with regard to differentiation, classification, intermediate metabolism, and essential growth factors of bacteria. The object of this thesis is to study the relative availability of the amino acids as sole source of nitrogen in the growth of A.aerogenes and E.coli, when used individually for this purpose and in varying concentrations. en_US
dc.description.statementofresponsibility by Rodolfo Eduardo Herrera. en_US
dc.format.extent [iv], 56 leaves en_US
dc.language.iso eng en_US
dc.publisher Massachusetts Institute of Technology en_US
dc.rights M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission. en_US
dc.rights.uri http://dspace.mit.edu/handle/1721.1/7582 en_US
dc.subject Biology and Public Health. en_US
dc.title Amino acid utilization by Aerobacter aerogenes and Escherichia coli en_US
dc.title.alternative Amino acid utilization by A. aerogenes and E. coli en_US
dc.type Thesis en_US
dc.description.degree B.S. en_US
dc.contributor.department Massachusetts Institute of Technology. Dept. of Biology and Public Health. en_US
dc.identifier.oclc 35207310 en_US


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