Transgenic plants

Xem 1-20 trên 33 kết quả Transgenic plants
  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: A cytochrome P450 monooxygenase commonly used for negative selection in transgenic plants causes growth anomalies by disrupting brassinosteroid signaling

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  • Yellow stem borer has been identified as a major insect pest of deepwater rice, causing severe yield losses. Bt gene(s) from Bacillus thuringiensis have been proven very effective in pest resistance program. The use of transgenic plants expressing Bt gene(s) is now occupied effective approach to control insect infestation. We have successfully introduced a synthetic cryIA(b) gene into embryogenic calli of a deepwater indica rice variety, Vaidehi, by using the biolistic method of transformation.

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  • Coffee plant is one of the most important industrial crops, and the two popular cultivars, Coffea arabica and Coffea canephora, contribute to the production of almost all coffee beans around the world. Traditional breeding could be used to develop new coffee cultivars with a higher productivity under these harsh conditions, and a biotechnological approach can also be used to improve coffee plants in a relatively short period of time.

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  • Plants that have features and characteristics of other species, other genera, other families and even other kingdoms - such as bacteria and mammals - have fascinated man since the dawn of history. Such phenomena, recorded in several mythologies, were in the realm of miracles and the work of God. Now they seem to become realities, though not exactly as described in the ancient folklore.

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  • RNA silencing is an epigenetic inhibition of gene expression and is guided by small interfering RNAs. Sense transgene-induced post-transcriptional gene silencing (S-PTGS) occurs in a portion of a transgenic plant popula-tion. When a sense transgene encoding a tobacco endoplasmic reticulum x-3 fatty acid desaturase (NtFAD3) was introduced into tobacco plants, an S-PTGS line, S44, was obtained.

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  • Employing transgenic plants as alternative systems to the conventional Escherichia coli, Pichia pastorisor baculovirus hosts to produce recombin-ant allergens may offer the possibility of having available edible vaccines in the near future. In this study, two EF-hand-type Ca 2+ -binding allergens from olive pollen, Ole e 3 and Ole e 8, were produced in transgenic Arabid-opsis thaliana plants.

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  • We reported earlier that ectopic expression of CAP2, a single AP2 domain containing transcription activator from chickpea (Cicer arietinum)in tobacco improves growth and development, and tolerance to dehydration and salt stress, of the transgenic plants.

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  • In this study, we demonstrate that the folding and assembly of IgG in transgenic tobacco plants is orchestrated by BiP (binding protein), an endoplasmic reticulum resident chap-erone. Expression of BiP and calreticulin was examined in transgenic tobacco plants that express immunoglobulin chains, either singly or in combination to form IgG anti-body. BiP mRNA expression was lowest in wild-type nontransformed plants and those that expressed immuno-globulin light chain alone.

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  • Vaccine thực phẩm-Loại vaccine thế hệ mới Nguyễn Hoàng Lộc Viện Tài nguyên, Môi trường và Công nghệ sinh học, Đại học Huế 1. Mở đầu Thành công thật sự ngoạn mục của công nghệ gen thực vật bậc cao là tái sinh được cây chuyển gen (transgenic plant) đầu tiên vào đầu thập niên 1980. Đến nay, cây trồng biến đổi gen (genetically modified plant) đã và đang đóng góp rất nhiều trong việc đáp ứng nhu cầu lương thực và thực phẩm cho con người.

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  • Nghiên cứu tạo giống bằng các phương pháp chuyển gen hiện đã thu được rất nhiều thành công ở các phòng thí nghiệm trên thế giới. Một số nghiên cứu về chuyển gen đã được triển khai nghiên cứu ở nước ta. Tuy nhiên, hầu hết các nghiên cứu đều tập trung vào một số đối tượng cây thực phẩm hoặc cây công nghiệp như: lúa, ngô, cà chua, bắp cải, đu đủ, bông vải… (Đặng Trọng Lương, 2001), (Lê Trần Bình, 2005)....

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  • Transgenic plants result from the insertion of genetic material from another organism so that the plant will exhibit a desired trait. Recombinant DNA techniques (DNA formed by combining Cây trồng chuyển gen là cây trồng ngoài vật chất di truyền sẵn có của nó còn được chuyển thêm vật liệu di truyền từ các sinh vật khác để tạo ra các tính trạng mong muốn bằng cách sử dụng kỹ thuật tái tổ hợp ADN

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  • The most compelling and credible testimony to biotech crops is that during the 16 year period 1996 to 2011, millions of farmers in 29 countries worldwide, elected to make more than 100 million independent decisions to plant and replant an accumulated hectarage of more than 1.25 billion hectares – an area 25% larger than the total land mass of the US or China – there is one principal and overwhelming reason that underpins the trust and confidence of risk-averse farmers in biotechnology – biotech crops deliver substantial, and sustainable, socio-economic and environmental benefits.

    pdf30p nguyen_vu 28-11-2011 64 13   Download

  • Developmental biology: The anatomical tradition The Questions of Developmental Biology Anatomical Approaches to Developmental Biology Comparative Embryology Evolutionary Embryology Medical Embryology and Teratology Mathematical Modeling of Development Principles of Development:

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  • These CNVs may show association with certain clinical conditions and help in predicting risk and also diagnosis. All these approaches have their merits and demerits and in general are tedious, time consuming and need manpower with stringent handling. This naturally prompted the development of several automated methods for culturing cells in mass scale, use of membrane bioreactors, and image analysis for interpreting the cytogenetic observations made.

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  • Agriculture and forestry are poised on the brink of a quantum leap forward through the further application of exciting new tools such as genomics and transgenic plants. In the near future, it will be possible to produce a higher quantity of improved quality crops than even imagined just a few years ago. In addition to feed and food, it will be possible to provide raw materials for industrial uses. For example, cotton fibers, wood ligno-celluloses, corn carbohydrates, soybean oils, and other plant constituents will be altered via designed changes in metabolic pathways.

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Application of FTA technology for sampling, recovery and molecular characterization of viral pathogens and virus-derived transgenes from plant tissues

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  • Glofish is the first transgenic animal approved to be consumed by human in the USA  The insertion of different constructs of GFP into the fish genomes to give different green colors.The idea for recombinant DNA was first proposed by Peter Lobban, a graduate student of Prof. Dale Kaiser in the Biochemistry Department at Stanford University Medical School. The first publications describing the successful production and intracellular replication of recombinant DNA appeared in 1972 and 1973.

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  • Strong increase in the production of genetically modified organisms (GMOs) observed over the years has led to a consolidation of transgenic seed industries worldwide. The dichotomy between the evaluated risk and the perceived risk of transgenic use has defined their level of acceptability among different global societies. GMOs have been widely applied to agricultural commodities, among them the Roundup Ready™ (RR™) soybean line GTS 40-3-2 has become the most prevalent transgenic crop in the world.

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  • Tuyển tập các báo cáo nghiên cứu về hóa học được đăng trên tạp chí sinh học đề tài : Application of FTA technology for sampling, recovery and molecular characterization of viral pathogens and virus-derived transgenes from plant tissues

    pdf12p dauphong8 14-01-2012 21 2   Download

  • Modern biotechnology is often associated with the use of genetically altered microorganisms such as E. coli or yeast for the production of substances like synthetic insulin or antibiotics. It can also refer to transgenic animals or transgenic plants, such as Bt corn. Genetically altered mammalian cells, such as Chinese Hamster Ovary cells (CHO), are also used to manufacture certain pharmaceuticals. Another promising new biotechnology application is the development of plant-made pharmaceuticals.

    pdf446p ngoctu2395 28-11-2012 21 2   Download

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