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SUMMARY Recently, universal and domestic scientists have been interested in the handling of phenol according to biodegradable methods. The bacterial strain DX3 was isolated from wastewater samples collected in Do Xa petroleum warehouse in Thuong Tin district, Hanoi city after triplicate enrichments in liquid mineral salt medium Gost supplemente...
6 trang | Chia sẻ: thucuc2301 | Ngày: 30/11/2020 | Lượt xem: 816 | Lượt tải: 0
SUMMARY Porcine reproductive and respiratory syndrome (PRRS), which cause heavy losses to the breeding economy in many countries, including Vietnam, has been a top concern of the farm. Testing PRRSV antibodies and the presence of PRRSV have an important role in the evaluation and control of PRRS. The method used to diagnose PRRS are ELISA and R...
6 trang | Chia sẻ: thucuc2301 | Ngày: 30/11/2020 | Lượt xem: 743 | Lượt tải: 0
SUMMARY In order to develop live attenuated vaccine against Aeromonas hydrophila infection in fish, Aeromonas hydrophila mutant strain was created by knocking out the aroA gene, encoding 5-enolpyruvylshikimate 3- phosphate synthase. A 683 bp middle fragment of this gene was replaced by kanamycin resistance gene KmR to make the cassette aroA::Km...
7 trang | Chia sẻ: thucuc2301 | Ngày: 30/11/2020 | Lượt xem: 839 | Lượt tải: 0
Expression of HIV-1 p24 gene in chloroplasts was achieved in a tobacco variety V2 (Virginia TBE2). Through PCR and Southern blot analyses, it was demonstrated that the transgene integrated into the target site in the chloroplasts, between trnfM and trnG. Western blot results showed that HIV-1 p24 gene expressed in transplastomic tobacco plants. ...
17 trang | Chia sẻ: yendt2356 | Ngày: 30/11/2020 | Lượt xem: 738 | Lượt tải: 0
SUMMARY We established a multiplex PCR-based protocol for the detection of three bacteria Salmonella spp., Clostridium perfringens and E. coli ETEC causing acute diarrhea in pig from field samples, feces and intestinal biopsies. The PCR protocol was built up with technical parameters, such as primer concentrations that were 350 nM (Salmonella s...
7 trang | Chia sẻ: thucuc2301 | Ngày: 30/11/2020 | Lượt xem: 822 | Lượt tải: 0
SUMMARY Bacillus Necrosis Pangasius (BNP) and motile aeromonas septicaemia (MAS) are two diseases which are caused by Edwardsiella ictaluri and Aeromonas hydrophila in striped catfish (Pangasianodon hypophthalmus), respectively. Mortality rate could be up to 80% once these disease outbreaks occurred. The innate invasive capabilities of these tw...
7 trang | Chia sẻ: thucuc2301 | Ngày: 30/11/2020 | Lượt xem: 987 | Lượt tải: 0
Diabetes is one of the diseases, which have recently gained significant attention. In order to produce the recombinant insulin for treating diabetics, we have cloned and expressed a miniproinsulin in Pichia pastoris. The DNA fragment containing a gene encoding the fusion protein of miniproinsulin-6xhis was cloned into the integrative plasmid pPIC...
7 trang | Chia sẻ: yendt2356 | Ngày: 30/11/2020 | Lượt xem: 911 | Lượt tải: 0
SUMMARY Cardiovascular disease is a major complication and the leading cause of early death among people with type 2 diabetes mellitus (T2DM). People with T2DM often have abnormal cholesterol level, high blood pressure, obesity and lack of physical activity that contributes to risk for developing cardiovascular disease. Diabetic cardiovascular ...
8 trang | Chia sẻ: thucuc2301 | Ngày: 30/11/2020 | Lượt xem: 791 | Lượt tải: 0
SUMMARY Mitochondrial DNA has been used to analyze phylogenetics of wild boars. In this study, mitochondrial D-loop region sequences were used to access the polymorphism and phylogenetic relationship among Vietnamese wild boars and other Asian wild boars. The variable positions in D-Loop region and genetic relationship analyses revealed that th...
7 trang | Chia sẻ: thucuc2301 | Ngày: 30/11/2020 | Lượt xem: 843 | Lượt tải: 0
Yêu cầu chủ yếu của quá trình chuyển hóa bã mía thành bio-butanol nhiên liệu chính là việc chuyển hóa các polysaccharides thành monosaccharides bằng enzyme. Bài báo này tập trung nghiên cứu sử dụng phương pháp nổ hơi ñể xử lý sơ bộ nguyên liệu. Phương pháp xử lý nguyên liệu bằng nổ hơi này ñã ñược công bố trước ñây nhằm làm tăng khả năng tác dụn...
10 trang | Chia sẻ: yendt2356 | Ngày: 30/11/2020 | Lượt xem: 748 | Lượt tải: 0