نتایج جستجو برای: genetic modification

تعداد نتایج: 728200  

2015
Xiaogang Li Changfeng Ding Xingxiang Wang Biao Liu

The introduction of transgenic insect-resistant cotton into agricultural ecosystems has raised concerns regarding its ecological effects. Many studies have been conducted to compare the differences in characteristics between transgenic cotton and conventional counterparts. However, few studies have focused on the different responses of transgenic cotton to stress conditions, especially to the c...

Journal: :Applied and environmental microbiology 2005
Akira Ando Chise Suzuki Jun Shima

Although genetic engineering techniques for baker's yeast might improve the yeast's fermentation characteristics, the lack of scientific data on the survival of such strains in natural environments as well as the effects on human health prevent their commercial use. Disruption of acid trehalase gene (ATH1) improves freeze tolerance, which is a crucial characteristic in frozen-dough baking. In t...

2010
Jie Lv Hong Qiao Hongbo Liu Xueting Wu Jiang Zhu Jianzhong Su Fang Wang Ying Cui Yan Zhang

BACKGROUND Eukaryotic transcription is accompanied by combinatorial chromatin modifications that serve as functional epigenetic markers. Composition of chromatin modifications specifies histone codes that regulate the associated gene. Discovering novel chromatin regulatory relationships are of general interest. METHODOLOGY/PRINCIPAL FINDINGS Based on the premise that the interaction of chroma...

2017
Adam Conti

Meteoric scientific advances in genetic technologies with the potential for human gene editing intervention pose tremendous legal, medical, social, ethical and moral issues for society as a whole. Persons with disabilities in particular have a significant stake in determining how these technologies are governed at the international, domestic and individual levels in the future. However, the law...

Journal: :Microbiology and molecular biology reviews : MMBR 2000
N E Murray

Restriction enzymes are well known as reagents widely used by molecular biologists for genetic manipulation and analysis, but these reagents represent only one class (type II) of a wider range of enzymes that recognize specific nucleotide sequences in DNA molecules and detect the provenance of the DNA on the basis of specific modifications to their target sequence. Type I restriction and modifi...

2009
Radka Pribylova Petr Kralik Ivo Pavlik Milan Bartos

The genetic modification 'ac2' is based on the insertion and expression of ac2 gene, originally found in seeds of amaranth (Amaranthus caudatus), into the genome of potatoes (Solanum tuberosum). The purpose of the present study is to develop a PCR method for the detection of the mentioned genetically modified potatoes in various foodstuffs. The method was used to test twenty different potato-ba...

Genetically modified organisms (GMOs) are plants or animals whose genetic make-up has been transformed by recombinant DNA technology, which has new features such as resistance to herbicides, virus and insect. Recently, genetic modification of food products has increased in order to reduce world poverty and hunger and increase food production However, the impact of GMOs on the human health is a ...

2017
Alejandra Hernández-Terán Ana Wegier Mariana Benítez Rafael Lira Ana E. Escalante

Agronomic management of plants is a powerful evolutionary force acting on their populations. The management of cultivated plants is carried out by the traditional process of human selection or plant breeding and, more recently, by the technologies used in genetic engineering (GE). Even though crop modification through GE is aimed at specific traits, it is possible that other non-target traits c...

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