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Trichoderma asperellum Chi42 Genes Encode Chitinase
Loc, Nguyen Hoang,Quang, Hoang Tan,Hung, Nguyen Bao,Huy, Nguyen Duc,Phuong, Truong Thi Bich,Ha, Tran Thi Thu The Korean Society of Mycology 2011 Mycobiology Vol.39 No.3
Four Trichoderma strains (CH2, SH16, PQ34, and TN42) were isolated from soil samples collected from Quang Tri and Thua Thien Hue provinces in Vietnam. The strains exhibited high chitinolytic secretion. Strain PQ34 formed the largest zone of chitinase-mediated clearance (> 4 cm in diameter) in agar containing 1% (w/v) colloidal chitin. Analysis of the internal transcribed spacer regions of these strains indicated that they were Trichoderma asperellum. The molecular weights of the chitinases were approximately 42 kDa. Chitinase genes (chi42) of T. asperellum strains TN42, CH2, SH16, and PQ34 were 98~99% homologous to the ech42 gene of T. harzianum CB-Pin-01 (accession No. DQ166036). The deduced amino acid sequences of both T. asperellum strains SH16 and TN42 shared 100% similarity.
Research Articles : Trichoderma asperellum Chi42 Genes Encode Chitinase
( Nguyen Hoang Loc ),( Hoang Tan Quang ),( Nguyen Bao Hung ),( Nguyen Duc Huy ),( Truong Thi Bich Phuong ),( Tran Thi Thu Ha ) 한국균학회 2011 韓國菌學會誌 Vol.39 No.3
Four Trichoderma strains (CH2, SH16, PQ34, and TN42) were isolated from soil samples collected from Quang Tri and Thua Thien Hue provinces in Vietnam. The strains exhibited high chitinolytic secretion. Strain PQ34 formed the largest zone of chitinase-mediated clearance (> 4 cm in diameter) in agar containing 1% (w/v) colloidal chitin. Analysis of the internal transcribed spacer regions of these strains indicated that they were Trichoderma asperellum. The molecular weights of the chitinases were approximately 42 kDa. Chitinase genes (chi42) of T. asperellum strains TN42, CH2, SH16, and PQ34 were 98~99% homologous to the ech42 gene of T. harzianum CB-Pin-01 (accession No. DQ166036). The deduced amino acid sequences of both T. asperellum strains SH16 and TN42 shared 100% similarity.
Nguyen Hoang Loc,Vo Chau Tuan,Doan Huu Nhat Binh,Truong Thi Bich Phuong,김태금,양문식 한국생물공학회 2009 Biotechnology and Bioprocess Engineering Vol.14 No.5
We developed a cell suspension culture system for zedoary Curcuma zedoaria Roscoe), using 100 g fresh weight inoculum in a batch culture. The maximum cell biomass of 68.46 g/L fresh weight was obtained after 14 days of culture in a 10 L bioreactor with a pitch-blade impeller maintained at an agitation speed of 150 rpm and an aeration rate of 2.5 L/min. The accumulation of sesquiterpenes and polysaccharide in zedoary cells from 2 to 18 days was measured by HPLC and a phenol-sulfuric acid assay, respectively. The total polysaccharide concentration increased between 2 to 10 days of culture and reached a maximum value of 6.55%. HPLC revealed several eluted peaks of sesquiterpenes, which increased in amplitude from days 2 to 10. Furthermore, our results indicated that biotransformation occurred in the cell suspension, transforming certain sesquiterpenes into other types during culture
Fintech Credit - Opportunities for SMEs in Vietnam
Truong,Van Khanh,Tram,Bich Loc 한국유통과학회 2019 KODISA ICBE (International Conference on Business Vol.2019 No.-
Small and medium enterprises (SMEs) have an important role in the development of countries, especially in developing ones like Vietnam, but access to capital of this type of business is always difficult, while the support of the Vietnamese government has not been effective or negligible. However, the fourth industrial revolution (industry 4.0) have created a new type of business - Fintech companies which provide SMEs an easier way to access capital. Nevertheless, the concept of Fintech is relatively new in Vietnam and the operation of these companies implicit certain risks. Therefore, in order to help SMEs take advantage of this non-bank capital resource, the authorities are asked to promulgate laws or decrees for business environment of Fintech companies.
Unsolved Problem in Human Resources Qualities of Vietnamese Banking Industry in Integration
Truong,Van Khanh,Tram,Bich Loc 한국유통과학회 2019 KODISA ICBE (International Conference on Business Vol.2019 No.-
Economic integration become the inevitable trend of all countries around the world brings not only opportunities but also challenges for all aspects of society, especially the banking sector. Meanwhile, workforce in Vietnamese banking sector has been not only insufficient but also leftovers, which creates unsolvable problems for unemployment in the current period and for the competitiveness of the sector in near future. After conducting research in many different aspects, this paper finds out the main reasons why banker resources have not met the requirements of society, which can be summarized as follows: management methods of State agencies have only been implemented for form’s sake and their development planning is not appropriate for economic environment; most of training facilities focus on scale rather than the quality; the way of doing business of some banks creates a lot of potential risk but they have no appropriate management mechanism; and students majoring in banking sector have negligent learning attitude and deviant thinking of their career in future.