Search results for: Mária Oszvald

Items from 1 to 7 out of 7 results

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Improved reactive aldehyde, salt and cadmium tolerance of transgenic barley due to the expression of aldo–keto reductase genes

Csaba Éva, Ádám Solti, Mária Oszvald, Rita Tömösközi-Farkas, more

Acta Physiologiae Plantarum > 2016 > 38 > 4 > 1-10

Under various stress conditions, plant cells are exposed to oxidative damage which triggers lipid peroxidation. Lipid peroxide breakdown products include protein crosslinking reactive aldehydes. These are highly damaging to living cells. Stress-protective aldo–keto reductase (AKR) enzymes are able to recognise and modify these molecules, reducing their toxicity. AKRs not only modify reactive aldehydes...

article

Overproduction of an Arabidopsis aldo–keto reductase increases barley tolerance to oxidative and cadmium stress by an in vivo reactive aldehyde detoxification

Csaba Éva, Gábor Tóth, Mária Oszvald, László Tamás

Plant Growth Regulation > 2014 > 74 > 1 > 55-63

In this work, we expressed an Arabidopsis thaliana-coded protein (AKR4C9) in transgenic barley to study its enzymatic activity and to enhance the reactive aldehyde neutralizing capacity (part of the oxidative stress tolerance) of transgenic plants. Total leaf protein was extracted from transgenic plants expressing either C or N-terminally His-tagged aldo–keto reductase (AKR) enzyme and purified by...

article

Characterization of rice storage proteins by SE-HPLC and micro z-arm mixer

Mária Oszvald, Sándor Tömösközi, Oscar Larroque, Eszter Keresztényi, more

Journal of Cereal Science > 2008 > 48 > 1 > 68-76

While the effect of protein content and composition on the functional properties of wheat flour is well studied, our knowledge on the same properties of rice flour is limited. This work was conducted to study the relationship between the dough mixing properties of flour from different rice cultivars and protein content and composition. An efficient sonication-based two-step extraction procedure was...

article

Development and characterization of a chimaeric tissue-specific promoter in wheat and rice endosperm

Maria Oszvald, Mark Gardonyi, Cecília Tamas, Imre Takacs, more

In Vitro Cellular & Developmental Biology - Plant > 2008 > 44 > 1 > 1-7

The recently achieved significant improvement of cereal transformation protocols provides facilities to alter the protein composition of the endosperm, for example, to increase or decrease the quantity of one of its protein components or to express foreign molecules. To achieve this goal, strong endosperm-specific promoters have to be available. The aim of our work was to develop a more efficient...

article

Expression of Cholera Toxin B Subunit in Transgenic Rice Endosperm

Maria Oszvald, Tae-Jin Kang, Sandor Tomoskozi, Barnabas Jenes, more

Molecular Biotechnology > 2008 > 40 > 3 > 261-268

The synthetic cholera toxin B subunit (CTB) gene, modified according to the optimized codon usage of plant genes, was introduced into a plant expression vector and expressed under the control of the Bx17 HMW (high molecular weight) wheat endosperm-specific promoter containing an intron of the rice act1. The recombinant vector was transformed into rice plants using a biolistic-mediated transformation...

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Expression of a synthetic neutralizing epitope of porcine epidemic diarrhea virus fused with synthetic B subunit of heat labile enterotoxin in rice endosperm

Maria Oszvald, Tae-Jin Kang, Sandor Tomoskozi, Cecilia Tamas, more

Molecular Biotechnology > 2007 > 35 > 3 > 215-224

Epitopes often require co-delivery with adjuvant and targeting proteins to enable recognition by the immune system, and this approach may also increase the efficacy of the antigen. In this study, we assess and describe the ability of transgenic rice plants to express a fusion protein consisting of the B-subunit of the Escherichia coli heat-labile enterotoxin (LTB) and a synthetic core-neutralizing...

article

Synthesis and assembly ofEscherichia coli heat-labile enterotoxin B subunit in transgenic rice (Oryza sativa L.)

Maria Oszvald, Tae-Jin Kang, Barnabas Jenes, Tae-Geum Kim, more

Biotechnology and Bioprocess Engineering > 2007 > 12 > 6 > 676-683

Escherichia coli heat-labile enterotoxin B subunit (LTB) can be used as a potent mucosal immunogen and immunoadjuvant for co-administered antigens. The synthetic LTB (sLTB) was modified based on plant optimized codon usage, and fused to a translation signal (the Kozak sequence) in the front of start codon and the ER retention signal, SEKDEL, in the c-teminus of sLTB gene. The sLTB and the wild-type...

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Search results for: Mária Oszvald

Improved reactive aldehyde, salt and cadmium tolerance of transgenic barley due to the expression of aldo–keto reductase genes

Overproduction of an Arabidopsis aldo–keto reductase increases barley tolerance to oxidative and cadmium stress by an in vivo reactive aldehyde detoxification

Characterization of rice storage proteins by SE-HPLC and micro z-arm mixer

Development and characterization of a chimaeric tissue-specific promoter in wheat and rice endosperm

Expression of Cholera Toxin B Subunit in Transgenic Rice Endosperm

Expression of a synthetic neutralizing epitope of porcine epidemic diarrhea virus fused with synthetic B subunit of heat labile enterotoxin in rice endosperm

Synthesis and assembly ofEscherichia coli heat-labile enterotoxin B subunit in transgenic rice (Oryza sativa L.)

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