Agrobacterium-mediated in planta transformation of maize via pistil filaments

Agrobacterium-mediated in planta transformation of maize via pistil filaments Integration of T-DNA into the maize genome as a result of treatment of silks with Agrobacterium cells, containing activated vir genes, was demonstrated. In planta treatment of maize (Zea mays L.) was performed during flowering in field. Cell suspension of Agrobacterium tumefaciens line GV3101(pTd33), carrying activated vir genes, was applied onto the previously isolated silks, which were afterwards pollinated with the pollen of the same cultivar. Integration of T-DNA into maize genome was confirmed by PCR (the nptII and gus reporter genes) and hystochemical staining of the seedling tissues, obtained from the transformed seeds. Amplification of the nptII gene showed the presence of about 60.3% of PCR-positive plants out of the total number of kanamycin-resistant seedlings examined, or 6.8% of the total of number of seedlings. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Agrobacterium-mediated in planta transformation of maize via pistil filaments

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Publisher
Nauka/Interperiodica
Copyright
Copyright © 2006 by Pleiades Publishing, Inc.
Subject
Biomedicine; Human Genetics; Microbial Genetics and Genomics; Animal Genetics and Genomics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1134/S1022795406080072
Publisher site
See Article on Publisher Site

Abstract

Integration of T-DNA into the maize genome as a result of treatment of silks with Agrobacterium cells, containing activated vir genes, was demonstrated. In planta treatment of maize (Zea mays L.) was performed during flowering in field. Cell suspension of Agrobacterium tumefaciens line GV3101(pTd33), carrying activated vir genes, was applied onto the previously isolated silks, which were afterwards pollinated with the pollen of the same cultivar. Integration of T-DNA into maize genome was confirmed by PCR (the nptII and gus reporter genes) and hystochemical staining of the seedling tissues, obtained from the transformed seeds. Amplification of the nptII gene showed the presence of about 60.3% of PCR-positive plants out of the total number of kanamycin-resistant seedlings examined, or 6.8% of the total of number of seedlings.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Aug 17, 2006

References

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