Drought and Salinity Tolerance in Transgenic Potato

  • Huaijun Si
  • Ning Zhang
  • Di Wang


Drought and salinity are the most important environmental stress factors that limit agricultural production worldwide. Complex responses to drought and salinity stresses in plants are quantitative traits, thus involve cooperative functions of many genes and biochemical-molecular mechanisms. It is generally accepted that drought and salinity tolerance could be increased through transgenic approaches by incorporating genes involved in stress protection into plants that lack them. Potato is regarded as a moderately salt-sensitive and drought-sensitive crop. Transgenic potato plants with improved tolerance to drought and salinity stresses have been produced using various genes. This chapter presented the case study of enhanced drought and salinity tolerance of transgenic potato plants with a betaine aldehyde dehydrogenase (BADH) gene from spinach under the control of the constitutive expression promoter CaMV 35S and the stress-inducible expression promoter rd29A, respectively. The recent advance was summarized in improving drought and salinity tolerance through transgenic approaches in potato. The role of transgenic potato in sustainable production and its biosafety was also discussed. It is concluded that the transgenic approach is one of the powerful tools to improve potato crop for sustainable production and food supply in response to the coming increase of world population in the future.


Genetically Modify Salinity Tolerance Genetically Modify Crop Glycine Betaine Glycine Betaine 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



We would like to thank Junlian Zhang, Dongkui Li, Yikai Wen, Liang Li, Tao Yang, Honghui Du, Bailin Liu, and Chunfeng Zhang for performing valuable work on the research. This work was supported in part by the National High-Technology (863) Program of China (2006AA100107 and 2009AA10Z103), Research Fund for the Doctoral Program of Higher Education of China (20050733003), and the Research Grant from Agri-biotechnology and Development Program of Gansu Province of China (GNSW-2006-01).


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Copyright information

© Springer Science+Business Media B.V. 2012

Authors and Affiliations

  1. 1.Gansu Provincial Key Laboratory of Aridland Crop Science; Gansu Key Laboratory of Crop Genetic and Germplasm Enhancement; College of Life Science and TechnologyGansu Agricultural UniversityLanzhouPeople’s Republic of China

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