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( Luis A. Botella ) 성균관대학교 동아시아학술원 2019 Sungkyun Journal of East Asian Studies Vol.19 No.2
The relationship between the government and academics has been a contentious issue in the history of Korean archaeology. The government and archaeologists mainly established their relationships around three issues: the process for granting authorization for archaeological excavations, government archaeological institutions, and the funding structure of archaeological research. These spaces had a colonial origin, and entailed power relationships between the government and archaeologists. The defeat of the imperial power, Japan, in 1945 entailed dramatic changes. This paper claims that the decolonization of those spaces ushered in new dynamics that allowed for new forms of autonomy for archaeologists, continuing in the post-Liberation period. However, since 1968, the government’s greater involvement has affected the direction of research performed in the field, without completely destroying said autonomy.
Achieving Professional Credentials: South Korean Archaeology and University Degrees (1945–1979)
( Luis A Botella ),( Antonio J Doménech ) 서울대학교 규장각한국학연구원 2017 Seoul journal of Korean studies Vol.30 No.1
The professionalization of archaeology is an understudied research topic in the history of South Korean archaeology. Literature on the subject has so far focused on the mechanisms that separate amateurs from professional archaeologists―in other words on the academic recognition and the credential system of the discipline. However, researchers have not considered the effect those mechanisms have on the social organization of the field. This paper claims that university degrees are not only important elements in the professionalization of archaeology, but also mechanisms of social organization within the field itself. The study of archaeological education and training in South Korea from 1945 to 1979 shows how academic education and degrees affected the subject, creating social networks and different positions in the field represented by different specializations within it. In order to study this process, this article focuses on Seoul National University’s Department of Anthropology and Archaeology, the first of its kind in South Korea.
( Nelson Gonzalez ),( Jose Ramon Botella ) 한국식물학회 2003 Journal of Plant Biology Vol.46 No.4
We investigated the gene expression profiles of different members of the 1-aminocyclopropane-1 -carboxilic acid (ACC) synthase (EC 4.4.1.1 4) gene family in broccoli (Brassica oleracea L. var. italica) during the post-harvest-induced senescence process. Using RT-PCR, three different cDNAs coding for ACC synthase (BROCACS1, BROCACS2 and BROCACS3) were amplified from floret tissue at the start of the senescence process. The three genes share relatively little homology, but have highly homologous sequences in Arabidopsis thaliana, and could be functionally related to these counterparts. Southern analyses suggest that BROC4CS1 and BROCACS3 are present as single copy genes, while there are probably two copies of BROCACS2. All three genes showed different expression patterns: BROCACS1 is likely to be either wound-or mechanical stress-induced showing high transcript levels after harvesting, but no detectable expression afterwards. BROCACS2 shows steady expression throughout senescence, increasing at the latest stages, and BROCACS3 is almost undetectable until the final stages. Our results suggest that BROCACS1 could be required to initiate the senescence process, while BROCACS2 would be the main ACC synthase gene involved throughout the post-harvest-induced senescence. BROUCS3`s expression pattern indicates that it is not directly involved in the initial stages of senescence, but in the final remobilization of cellular resources.
Kim, Jong Hee,Botella, J. R. 한국식물학회 2002 Journal of Plant Biology Vol.45 No.3
We evaluated the efficiency of callus induction and plantlet regeneration from hypocotyl explants of broccoli (Brassica oleracea var. italica). The cultivars were 'Marathon', 'Greenbelt', and 'Shogun'. Transformation success was not affected by the presence of tobacco feeder-cell layers on the culture media. The frequency of shoot regeneration was greater from 10-d-old hypocotyls than from 14-d-old hypocotyls. Both 'Marathon' and 'Greenbelt' had higher potentials for tissue regeneration than did 'Shogun'. We found that for transformation selection, the optimum concentration was either 50 ㎎/L kanamycin or 100 ㎎/L geneticin.
Hybrid 'Sinta' Papaya Exhibits Unique ACC Synthase 1 cDNA Isoforms
Hidalgo, Marie-Sol P.,Tecson-Mendoza, Evelyn Mae,Laurena, Antonio C.,Botella, Jose Ramon Korean Society for Biochemistry and Molecular Biol 2005 Journal of biochemistry and molecular biology Vol.38 No.3
Five ripening-related ACC synthase cDNA isoforms were cloned from 80% ripe papaya cv. 'Sinta' by reverse transcription-PCR using gene-specific primers. Clone 2 had the longest transcript and contained all common exons and three alternative exons. Clones 3 and 4 contained common exons and one alternative exon each, while clone 1, the most common transcript, contained only the common exons. Clone 5 could be due to cloning artifacts and might not be a unique cDNA fragment. Thus, there are only four isoforms of ACC synthase mRNA. Southern blot analysis indicates that all five clones came from only one gene existing as a single copy in the 'Sinta' papaya genome. Multiple sequence alignment indicates that the four isoforms arise from a single gene, possibly through alternative splicing mechanisms. All the putative alternative exons were present at the 5'-end of the gene comprising the N-terminal region of the protein. 'Sinta' ACC synthase cDNAs were of the capacs 1 type and are most closely related to a 1.4 kb capacs 1-type DNA(AJ277160) from Eksotika papaya. No capacs 2-type cDNAs were cloned from 'Sinta' by RT-PCR. This is the first report of possible alternative splicing mechanism in ripening-related ACC synthase genes in hybrid papaya, possibly to modulate or fine-tune gene expression relevant to fruit ripening.
( Joana Malho Rodrigues ),( Debora Cardoso ),( Rita Ivo ),( Sofi A Serra ),( Margarida Proenca ),( Patricia Moniz ),( Arturo Botella ),( Susana Jesus ),( Candida Fonseca ),( Ana Leitao ),( Luls Campos 대한내과학회 2014 대한내과학회 추계학술발표논문집 Vol.2014 No.1
Introduction: Ogilvie Syndrome (OS) is an acute colonic pseudo-obstruction with no mechanical cause underlying. The diagnosis is mainly clinical and radiological. Of unknown pathophysiology but in 95% associated with other pathologies such as infectious, cardiac, neurological among others. The treatment is based on decompression wih nasogastric tube(NGT), enteroclysis, laxative and procinetic therapies with neostigmine and erythromycine. In severely ill or complicated patients, endoscopic and surgical decompression may be indicated, even thought, mortality rates can be up to 40%. Clinical Cases: 1) 82 years old woman admitted with acute heart failure. Presented with abdominal distention and hydroaeric levels without relevant hydroelectrolyte disturbances. Lack of response to laxative and procinetic therapies. Computer tomography (CT) excluded obstructive lesions. After introduction of erythromycin intestinal transit was reestablished. 2) 87 years old man, admitted with community adquired pneumonia (CAP) who developed intestinal sub-oclusion with parcial recuperation after procinetics, NGT decompression and enteroclysis. CT: massive intestinal distention without obstruction. Hospitalization complicated with stroke, which lead to death. 3) 94 years old woman, admitted with CAP and acute renal lesion. Had maintained intestinal transit but, marked abdominal distention and pain. Transitory improvement after enteroclysis and NGT. CT showed transverse and sigmoid colon marked distention, without occlusive lesions. Although optimized therapy the patient progressed into anuria, multiorganic failure which lead to death. Conclusion: OS is a frequently undiagnosed clinical condition. Prompt diagnosis and treatment can predict a better outcome and are important to avoid complications such as intestinal perforation, ischaemia and peritonitis.