Tör, M and Mantell, S.H. and Ainsworth, C.C. (1992) Endophytic Bacteria Expressing β-glucuronidase Cause False Positives in Transformation of Dioscorea Species. Plant Cell Reports, 11 (9). pp. 452-456.
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Official URL: http://www.springerlink.com/content/q73n36845p7640...
Abstract
False positive transformants obtained during plant transformation experiments on species of the monocotyledonous genus Dioscorea (yam) are described. The false positive results were found to be due to endophytic bacteria which exist within aseptically micropropagated shoot cultures and which express -glucuronidase (GUS). The bacteria were isolated and identified as two species of Curtobacterium. The expression of GUS in these organisms was found to be induced by a variety of glucuronide substrates. The induction of GUS activity in the bacteria can be inhibited by chloramphenicol, tetracycline, ticarcillin and sodium azide. Implications of these results for use of the gus gene in plant transformation work are discussed.
| Item Type: | Article |
|---|---|
| Additional Information: | The electronic full-text cannot be supplied for this item. Please check availability with your local library or Interlibrary Requests Service. |
| Uncontrolled Keywords: | Glucuronidase, Dioscorea, endophytic bacteria, false positive transformants |
| Subjects: | Q Science > QK Botany Q Science > QH Natural history > QH426 Genetics Q Science > QH Natural history > QH301 Biology Q Science > QR Microbiology |
| Divisions: | Academic Departments > Institute of Science and the Environment Research Centres > National Pollen and Aerobiology Research Unit |
| ID Code: | 1181 |
| Deposited By: | Janet Davidson |
| Deposited On: | 19 Jan 2011 20:07 |
| Last Modified: | 19 Jan 2011 20:07 |
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