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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
> Journal Vol & Issue
The Korean Journal of Microbiology
Journal Basic Information
Journal DOI :
The Microbiological Society of Korea
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Volume & Issues
Volume 1, Issue 1 - Oct 1963
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Studies with the tobacco mosaic viruses
The Korean Journal of Microbiology, volume 1, issue 1, 1963, Pages 10~18
Studies with the Tobacco Mosaic Viruses; W. S Kim, and So, I Y., (Dept. of biology Sung Kyun Kwan Univer. Seoul, Korea.). Using the common strain of tobacco mosaic virus (TMV) which was sent from the Dept. of Plant Pathology, University of Wisconsin, U.S.A. as control virus, a possible new strain of tobacco mosaic virus (SMV) was isolated from tobacco leaves collected from Tobacco Experiment Station farms as well as from various blends of manufactured Korean cigaretts. SMV was isolated by single lesion isolation method and by inoculating the virus through various species of host plants. The two viruses, TMV and SMV were indentified by the difference in symptoms, host range, serological reaction, and electron micrograpy. As the results of the above experiment the author believes the virus isolate SMV is a different strain of TMV. The experimental evidences that SMV belongs to the TMV group are as follows; 1. Both viruses produced local necrotic lesions on Nicotiana glutimosa L. 2. Both showed a dilution end point of
. 3. Aphid transmission was failed with the viruses. 4. Both had an isoelectric point around pH 3.3. 5. Two viruses were serological reactive. 6. The size of the virus particles was around 270-300mu as they were observed under the electron microscope. The virus SMV, however, is different from the common strain of TMV and the experimental evidences are as follows; 1. SMV produced quite different symptoms from TMV on various host plants like tobacoo(Nicotiana tabacum L., White Burley), Nicotiana rustica L., Chenopodium Koreanse Nakai. Bata vulgaris L., and Datura tatula L., SMV produced distinct local lesions on these host plants whereas TMV incited largely mosaic diseases. 2. The serological titers obtained from the heterologous combinations were lower than those from homologous combinations of antigens and antiser.
Nitrogen changes during the development of eggs of melanoplus bivittatus
Lee, Chul-Joon ;
The Korean Journal of Microbiology, volume 1, issue 1, 1963, Pages 19~25
The studies could be summarized as follows: 1. Standard Rf Values were made as Table II for the identification of amino acids. 2. Amounts of free amino nitrogen in eggs were increased about 0.03% (Table IV) while the amounts of total nitrogen (Table III) were increased lower percentage during the ten days of development. 3. Three unknown substances were found newly during the development. 4. Eight ninhydrine positive amino acids were present, in the fresh embryonic eggs, but the numbers increased to eighteen after fifty days of development. 5. Through the development, there were large amounts of glutamic acid, aspartic acid and alanine. 6. After fifty days development, the amount of amides, such as asparagine, glutamine and alanine were increased very large which were very small amount before it and the amount of asparagine were more than that of glutamine. 7. Tryptophane, Cystine , Histidine were detected after 50 days of development. This is very remarkable fact.
Bacillus megatherium group에 의한 발효식품 연구 1
The Korean Journal of Microbiology, volume 1, issue 1, 1963, Pages 26~29
1. Cooked soybean was fermented for about a week by Bacillus megatherium 88-3, D-28 and D-28a; and compared with the cooked soybean which was not fermented, this fermented soybean showed much increase in vitamin
, while vitamin
decreased. 2. In the process of fermenting the cooked soybean, Bacillus megatherium, 88-3 is the bacteria which produces brown pigment; and Bacillus megatherium D-28 and D-28a is the bacteria which produces yellow pigment. 3. In weight, fermented soybean-fed rat showed more increase than the unfermented soybean-fed rat. But the growth of the rat fed with Bacillus megatherium 88-3 fermented soybean was not good. Probably, this phenomenon came from the trouble in rat's metabolism by brown pigment. 4. In food efficiency, Bacillus megatherium D-28a is 4.3% lower than Bacillus megatherium B-938, but it is 17.l% higher than the unfermented cooked soybean. Bacillus megatherium 88-3, which is 47.1% lower in food efficiency than the unfermented cooked soybean, has been found "not good" in the growth of rat.th of rat.
Microbiological Studies on Soysauce Isolation and Identification of Bacteria from soysauce to brew by Conventional Procesa
The Korean Journal of Microbiology, volume 1, issue 1, 1963, Pages 30~37
Ten(10) strains of aerobic bacteria and two(2) strains of microaerobic bacteria were isolated out of soysauce which was brewed by the conventional process. The following bacteria were identified by studying their morphorogies and physiological characters. Bacillus pumillus-R-2; Bacillus subtilis var., aterimus-S-1; Bacillus licheriformis var-S-2; Bacillus subtilis-T-1; Sarcina maxima-T-2; Pediococcus acidi lactici-Z-2; Bacillus citreus var, . soyaB-Z-5. T-2 and Z-5 of the isolated bacteria were found good in growth even in the 24%-salted density, and Z-5 was more vigorous than T-2 though stinking. S-1 produced black-brown pigment from the medium containing various kinds of carbohydrate and the medium of soysauce which are available to S-1.
Studies on the chlorella in Korea
The Korean Journal of Microbiology, volume 1, issue 1, 1963, Pages 38~44
According to the experiment on pure-isolation and the related contaminants of Chlorella, the phenomena of the ecological distributions of Chlorella in Korea have been manifested in several areas and also the aim that in going to do culture, biological and physiological study of Chlorella is carried out. Contaminants very oftenly occupied on the colony of the strains taken in order to fulfil pure-isolation of Chlorella, but in accordance with being piled up the minute research on this subject, I can obtain the desirable results as follows: 1. For the pure-isolation, the duration chose the time from May to September 1957 so that may easily isolate from contaminant water with utilizing the antibiotic substances. 2. To take long time, 36-48 hours until growth of nascent through the non-sporulated, it originates from the difference of the cultured media. In addition to the above mention, the mechanism of growth until nascent through the sporulated must not always require the ligh. However the supply of metabolic energy depend upon its nutritional conditions per phase. 3. The culture of Chlorella should be based on the lower culturing except adding especial conditions such as reagent concentration of media, artifical shake of media and other facts due to the natural conditions. And also these strains grew not only in distilled water but 2% NaCl solution without any abnormality in cell it self. I, therefore, guess it is possible to culture in sea-water under phasic environment. 4. In the experiment of ammonia detection, it is caused by the sampling surroundings to contain the minute quantity of ammonia in strain No. M 918; that is the place to be plenty of Carbohydrate on behalf of protein. 5. To compare the absorption curve of chlorophyll of higher plant with that of Chlorella, the absorption zone made mostly the Same ones each other but a little absorption grade dose not clearly appear. The colony which formed giant type grows with intensive colour and green band on surrounding of the colony and after that it was changed into all the green colour and developed up to end. 6. At first phase for a week, the development of Chlorella suspends the normal condition as in vivo but after a few days, the colour of chlorophyll gradually changed into blue-yellow which secrete the mucous substances on the agar media. The cell was flew out the contained substances itself on leaving the cell wall only, or the various micro-organism diffused on the outer-region of the cell.
Studies on the bacterial stem-dry-rot of pinus rigida mill
The Korean Journal of Microbiology, volume 1, issue 1, 1963, Pages 45~47
1. A Kind of Bacillus, which was seemed to be pathogenic, was isolated from Pinus rigida planting. 2. The bacillus were grown well on the Agar-Bacto-Beef media (pH 7.4) at
. C for 24 hours. 3. The soil infection for the one year old seedling was the best inoculating method in this experiment. 4. Almost of all characteristics were simillar between isolated and reisolated bacillus. 5. The author should like to call temporarily the name of this bacterial disease Stem-rot of pinus rigida Mill.
간장 효모에 대하여
The Korean Journal of Microbiology, volume 1, issue 1, 1963, Pages 48~50
The authors have investigated about the microbial contamination of goods which is a criterion of hygienic control. Conducting on investigation, a special attention has been paid on the rate of microbial contamination in the goods, especially in manufacturing process of the softdrink. The authors also made an experiment on total microbes which is the criterion of contamination in each step of the process and in raw materials together with materials to be used for subdividing. Results obtained were as follows : 1) The orgin of microbial contamination was found in bottle cap and in tap water, that is, there appeared 9 colony per ml in bottle cap and 31-74 colony per ml in tap water, respectively. 2) It was found that microbial contamination are 4 colony per ml in average through year. However, it appeared 1 colony per ml in winter and 8 colony per ml in summer. 3) Coliform groups are not detected in goods through a year. 4) There was no variation in number of total microbes after ion exchange resin passage in purification process of tap water. 5) The number of microbes in goods are decreased when the raw materials are treated in high temperature short time (HTST) sterilization.
A Provisional List of Uredinales of Korea
Kim, Chong Jin ;
The Korean Journal of Microbiology, volume 1, issue 1, 1963, Pages 51~64
The study on Uredinales of Korea was initiated by P. Hennings in 1899. After that abundant works were done by Naohide Hiratsuka. And Seiya Ito, P. & H. Sydow, K. Nakata, S. Takimoto, A.L. Jaczewsk, V. L. Komarov, W.A. Tranzschel and others also engaged in the research on this field. Since 1956 the author has collected the specimen in South Korea, chiefly around Prov. Kangwon, among which are found 12 species 4 genera of rusts and 22 species of additional hosts all unrecorded from Korea. The author has described in the paper 220 species 32 genera 3 families of rusts in Korea, including those collected, by this author. This works, it must be added, owe much to the literatures of Dr. Naohide Hiratsuka, Prof. of Tokyo University of Education. The author express his hearty thanks to him.