SHORT COMMUNICATION
The effect of feeding diets with genetically modified cucumbers on the growth and health status of rats
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1
Warsaw Agricultural University, Department of Animal Nutrition and Feed Science, Rakowiecka 26/30, 02-528 Warsaw, Poland
 
2
The Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences, 05-110 Jabłonna near Warsaw, Poland
 
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Warsaw Agricultural University, Department of Genetics, Breeding and Biotechnology of Plants, Nowoursynowska 166, 02-787 Warsaw, Poland
 
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Warsaw Agricultural University, Faculty of Pathology, Grochowska 272, 03-849 Warsaw, Poland
 
 
Publication date: 2001-06-28
 
 
J. Anim. Feed Sci. 2001;10(Suppl. 2):7-12
 
KEYWORDS
ABSTRACT
The composition of the fruits of non-transgenic or transgenic (GM) cucumbers with genes coding the synthesis of a sweet protein, thaumatin, were compared and effects of feeding the fruits in balanced diets to rats were determined. The transgenic cucumbers contained more protein (20.3 vs 17.9% DM) and less fibre (9.4 vs 11.4% DM) and also had lower Na, K, Ca and Mg contents and higher levels of Fe and Cu in ash than normal cucumbers. Feeding male rats of initial body weight 150 g for 5 weeks on isoprotein diets containing 0 or 15% lyophilized transgenic or non-transgenic cucumbers did not affect weight gain, apparent health status, or relative organ weights of animals. Protein digestibility was slightly but significantly lower (89.2 vs 90.0%), that of crude fibre was higher (28.2 vs 15.0%) in diets containing transgenic than non-transgenic cucumbers, while digestibility of fat and N-free extractives did not differ.
 
CITATIONS (8):
1.
Genetically Modified Crops Expressing 35S-Thaumatin II Transgene: Sensory Properties and Food Safety Aspects
Maria Szwacka, Wojciech Burza, Renata Zawirska-Wojtasiak, Michał Gośliński, Aleksandra Twardowska, Janina Gajc-Wolska, Iwona Kosieradzka, Małgorzata Kiełkiewicz
Comprehensive Reviews in Food Science and Food Safety
 
2.
Modification of tomato taste in transgenic plants carrying a thaumatin gene from Thaumatococcus daniellii Benth
G. Bartoszewski, A. Niedziela, M. Szwacka, K. Niemirowicz-Szczytt
Plant Breeding
 
3.
Nutritive And Dietetic Value Of Genetically-Modified Tomatoes Expressing Thaumatin Gene
Iwona Kosieradzka, Vitali Vasko, Grzegorz Bartoszewski, Maria Szwacka, Katarzyna Fiszdon, Magdalena Matusiewicz
Polish Journal of Food and Nutrition Sciences
 
4.
Evaluation of stress- and immune-response biomarkers in Atlantic salmon, Salmo salar L., fed different levels of genetically modified maize (Bt maize), compared with its near-isogenic parental line and a commercial suprex maize
A Sagstad, M Sanden, Ø Haugland, A-C Hansen, P A Olsvik, G-I Hemre
Journal of Fish Diseases
 
5.
Toxicity Studies of Genetically Modified Plants: A Review of the Published Literature
José Domingo
Critical Reviews in Food Science and Nutrition
 
6.
Effect of Transgenesis on mRNA and miRNA Profiles in Cucumber Fruits Expressing Thaumatin II
Magdalena Pawełkowicz, Agnieszka Skarzyńska, Małgorzata Sroka, Maria Szwacka, Tomasz Pniewski, Wojciech Pląder
Genes
 
7.
Alternative Sweet and Supersweet Principles
Ram Dwivedi
 
8.
Horizontal transfer of antibiotic resistance genes into microflora and blood cells in rats fed on GM-diet
Hanaa Oraby, Nadia Aboul-Maaty, Hayam Al-Sharawi, Noha Osman
Bulletin of the National Research Centre
 
ISSN:1230-1388
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