Abstract
The full genomic region of the root knot nematode (Meloidogyne spp.) resistance gene Mi-1 was cloned from tomato and transformed into lettuce to investigate its function in a heterologous system. Transgenic lettuce lines containing the Mi-1 gene were developed using Agrobacterium-mediated transformation. Ectopic expression of the Mi-1 gene was observed in transgenic lines, and resistance to root knot nematode was improved.
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Abbreviations
- MS:
-
Murashige and Skoog medium
- BA:
-
6-Benzyladenine
- NAA:
-
α-Naphthaleneacetic acid
- SDS:
-
Sodium dodecyl sulfate
- NPTII :
-
Neomycin phosphotransferase gene
- PCR:
-
Polymerase chain reaction
- RT-PCR:
-
Reverse transcription-polymerase chain reaction
- FAA:
-
Formalin–acetic acid–alcohol
- UTR:
-
Untranslated region
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Acknowledgments
The authors thank Dr Zhangjun Fei (Boyce Thompson Institute for Plant Research, Cornell University) for critical review of this manuscript. This work was supported by grants from Major State Basic Research Development Program (2009CB119000), National Nature Science Foundation of China (no. 30800756 and no. 30671417), and Xinjiang Corps Doctor Fund of China (no. 2008JC04).
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L.-Y. Zhang and Y.-Y. Zhang contributed equally to the work.
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Zhang, LY., Zhang, YY., Chen, RG. et al. Ectopic Expression of the Tomato Mi-1 Gene Confers Resistance to Root Knot Nematodes in Lettuce (Lactuca sativa). Plant Mol Biol Rep 28, 204–211 (2010). https://doi.org/10.1007/s11105-009-0143-y
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DOI: https://doi.org/10.1007/s11105-009-0143-y