alexa Bacterial Mannitol-1-Phophate Dehydrogenase (mtlD) Transgene, Confers Salt Tolerance in the Fourth Generation Transgenic Maize (Zea Mays. L) Plants | OMICS International | Abstract
ISSN: 2329-8863

Advances in Crop Science and Technology
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Research Article

Bacterial Mannitol-1-Phophate Dehydrogenase (mtlD) Transgene, Confers Salt Tolerance in the Fourth Generation Transgenic Maize (Zea Mays. L) Plants

Thang Nguyen, Hussien Alameldin and Benjamin Goheen, Mariam Sticklen*
Department of Plant, Soil and Microbial Sciences, Michigan State University, East Lansing, MI, USA
Corresponding Author : Mariam Sticklen
Department of plant, soil and microbial sciences, Michigan State University
East lansing, MI, USA
E-mail: [email protected]
Received February 14, 2013; Accepted September 16, 2013; Published September 18, 2013
Citation:Sticklen M, Nguyen T, Alameldin H, Goheen B (2013) Bacterial Mannitol- 1-Phophate Dehydrogenase (mtlD) Transgene, Confers Salt Tolerance in the Fourth Generation Transgenic Maize (Zea Mays. L) Plants. Adv Crop Sci Tech 1: 112. doi: 10.4172/2329-8863.1000112
Copyright: © 2013 Sticklen M, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Abstract

About 15% of global agricultural lands are exposed to high salinity, resulting in low crop yields and reduced food supplies. Attempts to develop salinity tolerant crops via selection and breeding have not been sufficient. Bacterial mannitol-1-phophate Dehydrogenase (mtlD) has been known for its tolerance to salinity. Maize is the third cereal crop (after wheat and rice) that is severely affected by soil salinity. We have genetically engineered maize plants with the bacterial mtlD gene, confirmed the integration and expression of this transgene in upto forth progenies, and have confirmed that transgenic plants transcribing the mtlD gene have higher rate of photosynthesis and are more tolerant to different concentrations of NaCl (especially at 200 mM level) as compared with their wild-type nontransgenic control plants.

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