STERILE INDUCTION OF CROWN-GALL TUMORS ON CARROT TISSUES IN VITRO
نویسندگان
چکیده
منابع مشابه
Induction of responsiveness to octopine and lysopine in crown-gall tumors.
Bean leaf tumors induced by Agrobacterium tumefaciens strain 181 show enhanced growth in response to octopine or lysopine only if one of these compounds is present during the period of tumor induction. Either compound applied during this period results in tumors which subsequently respond to both. The combined action of the bacterium plus octopine or lysopine at induction is proposed to induce ...
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The respiratory processes of malignant tissues of animals and human beings have long been considered to differ in important respects from those of nonmalignant tissues of the same creatures. This difference expresses itself in several ways, especially in a low R.Q. (0.8 or less) and a decided anaerobic tendency to accumulate acid products, lactic acid in particular. It seems possible, indeed, i...
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Crown gall tumors collected from naturally infected plants of 7 grapevine varieties were analysed for the presence of opines. Eighty-five of the tested 90 samples contained known Agrobacterium vitis-induced opines. Octopine was the most common, it was found in 50 samples. Twentyeight crown galls contained nopaline and 8 were vitopine positive. There was only one tumor that contained two opines,...
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Crown-gall tumor cells induced by Agrobacterium tumefaciens (Sm. and Town.) Conn develop from normal plant cells by the action on them, in sequence, of several causal factors.1 Inoculations of susceptible species frequently result in fairly uniform tumors in 100 per cent of the trials. Inoculations of other plant species are not always successful or may result in tumors showing considerable siz...
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Cross-reacting antigens were found in bacteria-free crown gall tumor tissue tested with serum prepared against Agrobacterium tumefaciens (Smith and Towns.) Conn., but no such antigens were detected in callus tissue. Soluble proteins from tumor tissue, callus tissue, and the crown gall bacteria were fractionated on a DEAE-Sephadex (A-50) column. The diethylaminoethyl-Sephadex elution profile for...
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ژورنال
عنوان ژورنال: Proceedings of the National Academy of Sciences
سال: 1957
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.43.2.199