Haploid system by anther culture allows the development of homozygous lines when doubled. The response of anther culture to Basta (glufosinate) resistance was investigated on transgenic plants (cv. Anjungbyeo) in order to identify inheritance of bar gene associated with Basta. Most of the regenerated transgenic plants were sterile, and only a few plants produced viable seeds ($A_1$) in the greenhouse. The bar gene was analysis by PCR in basta resistant transgenic plant ($TA_0$). The transgenic seeds ($A_1$) were significantly germinated in Basta solution compared with non-transformed seeds. As a result of anther culture, in regenerated haploid plants, segregation ratio was 1:1 in five of eight cross combinations. In diploid plants, segregation ratio was 1:1 in seven of eight cross combinations. Although there was some differences in the cross combinations, most of the combinations had 1:1 segregation ratio which supports the theory. The difference may be a result of the small sample size or the difference of anther culture response caused by genotypic difference. Hence, when many cross combinations were anther-cultured the results would support the theory.
The Journal of Asian Finance, Economics and Business
/
v.8
no.2
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pp.1181-1188
/
2021
This research aims to analyze transglobal leadership which has an impact on bank sustainability with militancy and organizational culture variables as mediating variables. In addition, to evaluate militancy, cultural organizations exist to encourage bank sustainability. This is an explanatory research conducted using a quantitative approach in the form of a survey. The population of this study includes all Heads of Regional Offices and Head of Branch Offices of PT. Bank Rakyat Indonesia is spread across Sumatra, Java, Kalimantan, Sulawesi, Bali and Jayapura. This study uses a research instrument in the form of a questionnaire that has been tested for validity and reliability and secondary data. Quantitative data analysis was performed in the form of Structural Equation Modeling (SEM) analysis based on Partial Least Square (PLS) to answer the research hypothesis. The results show a significant and positive relationship between transglobal and militancy leadership, transglobal leadership with innovation culture, militancy with innovation culture, militancy with bank sustainability and innovation culture with bank sustainability. The novelty of this research lies in the use of militancy and innovation culture as intervening variables in the correlation between transglobal leadership and bank sustainability. The militancy variable is the new variable to be checked.
Samyang Genex succeeded in commercialization of anticancer agent-paclitaxel by plant cell culture technology. The core technology of Samyang Genex relating paclitaxel production includes cell line development, cell line preservation, cell culture, scale-up technology, and purification technology. On the basis of the research, Samyang Genex built the factory operated by CGMP (current good manufacturing practice). The paclitaxel-Genexol$^{TM}$-is commercially available in Korea, and it will be launched to world market including USA after approval of US FDA.
Purpose - The effect of regional culture has been acknowledged for decades. However, very little research takes it as an important issue in the medical tourism service decision process. This study focuses on regional culture to identify customers' preference for medical tourism in the international environment. It is proposed that regional culture may work as an critical moderator in the international medical tourism destination choice process. Especially, the destination attributes may vary according to regional culture. Research design, data, and methodology - By the questionnaire survey, the sample is collected from 2,041 potential Chinese residents in different regions of China. Regression analysis is constructed to test the effect of regional culture on Chinese customers' destination preference. Results - Results imply that regional culture plays a critical moderating role in the destination choice process. Results also indicate that destination attributes including medicine and travel characteristics are the important predictors of destination preference. Conclusions - This study provides the fundamental base to use regional culture as a descriptive variable for segmentation when establishing an effective marketing strategy. Furthermore, this research suggests that different strategies relied on destination attributes should be made to attract more Chinese customers for the development of medical tourism industry.
Two isolates of mucous bacteria, mc75 and pc78, were isolated from fungal culture plate as culture contaminants with an interesting swarming motility. Both isolates were identified as Pseudomonas fluorescens based on microscopy, biochemical analysis, Biolog test and DNA sequence analysis of the 16S rRNA gene. Both strains have the exactly the same 16S rRNA gene sequences, and yet their biological control activity were not identical each other. In vitro analysis of antagonistic activity of two isolates against several plant pathogenic fungi indicated that both produced diffusible and volatile antifungal compounds of unknown identities. Treatment of the bacterial culture of P. fluorescens pc78 and its culture filtrate exhibited a strong biological control activity against rice sheath blight in vivo among six plant diseases tested. More effective disease control activity was obtained from treatment of bacterial culture than that of culture filtrate. Therefore, in addition to antifungal compound and siderophore production, other traits such as biofilm formation and swarming motility on plant surface may contribute to the biological control activity of P.fluorescens pc78 and mc75.
Ko Y. M.;Kim D. W.;Kim K. E.;Shin S. C.;You S. J.;Ahn B. K.;Kang C. W.
Korean Journal of Poultry Science
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v.31
no.4
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pp.245-253
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2004
This study was conducted to investigate the effects of dietary yeast culture containing rPST on growth performances and the characteristics of body compositions in broiler chickens. A total of 460 Ross male broiler chicks aged 2-day-old were fed one of five experimental diets; Control(devoid of all), TI (with $0.1\%$ antibiotics; chlorotetracycline), T2 (with $0.1\%$ rPST-yeast culture), T3 (with $0.2\%$ rPST-yeast culture) or T4 (with $0.2\%$ SC yeast culture) for 6 weeks. Feed consumption and body weights were measured weekly. At week 5 of the experiment, 10 chicks were randomly selected and sacrificed. The relative weights of each organ and the chemical composition of edible meat were measured. The enzyme activity, total cholesterol, Ca and P were also determined. Tibial weight, bone strength and chemical composition were investigated. There were no significant differences in feed intake and feed conversion ratios among the treatments throughout the experimental period. Body weight gains tended to be increased by feeding of diets containing rPST-yeast culture. The relative weight of breast muscle in T3 group was significantly higher than that of the control (P<0.05). The moisture contents of breast meat in groups fed diets containing rPST-yeast culture or SC yeast culture were significantly increased as compared with those of the control and n. However, the contents of crude protein and ether extract were not affected by feeding of rPST-yeast culture. There were no significant differences in GOT, total cholesterol, Ca and P. The relative weight and strength and proximal composition of the tibia were also not affected by dietary treatments. These results indicated that dietary rPST-yeast culture may be a valuable alternative for optimizing growth performances, particularly for improving the yield of breast muscle.
This research attempted to present the efficiency of culture marketing to the organizations producing culture-art products and to the companies utilizing art and suggest the practical viewpoints to the culture and art policy agencies. The methodology used was to take an in-depth look at the consumer value cognition and benefits of culture-art products in contemporary consumption culture from a social context by conducting a total of 12 Focus Group Interviews, consisting of 58 males and females in their 10s~50s who can represent culture-art product consumers. The culture-art products refer to the artist's spiritual, actual act of creating or to the end products with economic exchange value. They are also sense goods and merit goods that affect the mental state of consumers. By looking at culture-art products as consumer merit goods, this research examined consumer value cognition of culture-art products based on the characteristics culture-art products. As a result, this research determined that consumers view culture-art products largely as 'aesthetic and sensuous merit goods', 'actual and individual merit goods', and 'social public property'. As 'aesthetic and sensuous merit goods', culture-art products are considered as the products of an artist's creative activities; as 'social public property', culture-art products have a public value in terms of ownership; and as 'actual and individual merit goods', culture-art products act on the spirit and reality of a consumer in terms of consumption. As a result of analyzing the benefits of culture-art products based on the above-mentioned consumer value cognition, it was observed that the benefits of culture-art-product consumption are chiefly divided into 'aesthetic character-oriented', 'social relationships-oriented', and 'individual benefits-oriented' depending on how consumers see culture-art products. A 3-conceptional structures model was constructed according to the relationship between consumer value cognition of culture-art products and the benefits. This research revealed that consumers who pursue the aesthetic value or sense of beauty as the central reason experience culture-art products themselves, enjoy intellectual quests, and pursue their satisfaction by expressing affection for and interests in culture-art products. On the other hand, consumers who pursue social value as the central reason as a means of communication by perceiving culture-art products as a public property of society, pursue sympathy with people close to them through the symbolic power of culture-art product consumption or the joy of self-display. Consumers who perceive art products as spiritual and actual merit goods and pursue consumer value as a central reason want to express their own personality, develop themselves, and differentiate themselves or identify themselves with others in the context of social relations for the ultimate goal of living a happy and satisfied life while pursuing to satisfy imminent and actual necessities as emotional stability and rest. The fact that culture-art product benefits could vary according to how a consumer perceives them implies that consumer value cognition of culture-art products and their benefits significant affect consumers' decision in choosing and consuming various culture-art products. It turned out that such benefits from the consumption of culture-art products reflect the complex contemporary consumption culture of rational consumption, symbolic consumption, experiential consumption, and social reflective consumption. This research identified conceptional structures of consumer value cognition on culture-art products and benefits that can be used for studying and understanding culture-art products consumers who pursue a variety of consumption values. They can also be used by private companies in utilizing art, as well as by national agencies in enhancing the population's quality of life. However, since this research could only conceptually grasp consumer perception of culture-art products and reveal the dimension of classification due to its own limitations arising from characteristic investigation, quantitative data on the benefits of culture-art product consumers should be measured in future studies through a quantitative investigation, while using the value cognition of culture-art products and the individual characteristics of consumers as variables based on this research.
The Journal of Asian Finance, Economics and Business
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v.8
no.1
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pp.803-811
/
2021
A family business is a company where most of its capital and the management position is owned by family members (clan). The leader plays an important role in defining an organization, thus influencing the organization's success. A leader who has a leadership style based on family (clan) relation has the facilitator's role when conflict appears within the organization. This research aims to find the impact of the democratic leadership model on a family business that adopts the clan cultural organization. The independent variable of this research is the democratic leadership model. Meanwhile, the dependent variable is the clan culture within the organization. This research uses a quantitative method with a descriptive and causality type of research. This research population is PT Global Avionika Indonesia staff, where the data was acquired by distributing questionnaires using a saturated sampling technique. The finding in this research shows a positive and significant impact of the democratic leadership model on the clan culture within the organization PT Global Avionika. The determination test also points out that democratic leadership models affect 19.8 percent of the clan culture within the organization, and the rest of 80.2 percent were affected by other factors that were not covered in this research.
Optimization of the preimplantation mammalian embryo culture condition was widely focused on refining medium composition under the name of chemically defined media. However, recent research revealed that the alteration of physical environment can be a crucial factor to a successful embryo development. In this study, under the same embryo density, a novel culture device named oil-free micro tube culture (MTC) system was evaluated using porcine parthenogenetic embryos. The activated oocytes were placed into the 0.2 ml thin-wall flat cap PCR tube and cultured to the blastocyst stage. As a preliminary step, embryo density and culture medium volume were optimized under a standard drop culture system. The optimal embryo density range for in vitro culture was 0.5 embryos per ${\mu}l$ in $20\;{\mu}l$ drop (20.5%) and 1.0 embryos per ${\mu}l$ in $10\;{\mu}l$ drop (20.6%). Based on these results, we compared drop culture system and 'MTC' system in terms of the developmental rate to the blastocyst stage. In $20\;{\mu}l$ medium volume, the 'MTC' system showed similar blastocyst formation rate when compared with drop culture system (20.2% versus 20.5%, respectively) while the 'MTC' system showed lower blastocyst formation rate than drop culture system in $10\;{\mu}l$ one (12.7% versus 20.0%, respectively). Therefore the $20\;{\mu}l$ MTC system may be an alternative incubation system for short-distance embryo transport without carrying the $CO_2$ incubator and this provides novel embryo culture device to clinical veterinary embryologists.
Seo, Mi-Suk;Cho, Chuloh;Choi, Man-Soo;Chun, JaeBuhm;Jin, Mina;Kim, Dool-Yi
Korean Journal of Plant Resources
/
v.33
no.5
/
pp.536-549
/
2020
Soybean (Glycine max (L.) Merrill) is one of the most important crops of the world. With the completion of the soybean genome sequence, the Korean soybean core collection consisted of 430 accessions with genetic and phenotypic diversity was constructed in recent year. The availability of genome sequences and core collection will result in the crop improvement by molecular breeding using the various accessions and genome editing approaches. Efficient tissue culture techniques, such as haploid production, protoplast culture and plant regeneration from various organs are essential for the successful molecular biological approach and crop improvement. However, soybean is still considered to be recalcitrant in tissue culture because of the low frequency of regeneration and limitation of available responsive cultivars. In this study, we discuss the recent studies of tissue culture technology and methodology for efficient tissue culture to genetic improvement and application of molecular biotechnology in soybean.
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