Ipomoea batatas metallothionein gene (IbMT1) and application thereof in improving salt resistance and drought resistance of plants
A technology of metallothionein and gene, applied in the field of molecular biology and biology, can solve the problems of poor tolerance and limit the extensive growth of plants, so as to improve the resistance to drought, improve the salt tolerance and drought resistance of plants, and improve the salt tolerance of plants Effect
Inactive Publication Date: 2011-08-17
LUDONG UNIVERSITY
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Abstract
The invention discloses an ipomoea batatas metallothionein gene (IbMT1) and an application thereof in improving salt resistance and drought resistance of plants, belonging to the fields of molecular biology and biotechnology. According to the invention, an ipomoea batatas salt stress suppression subtractive library is constructed, and cloning is randomly picked from the library to perform sequencing and obtain a metallothionein gene which is named as IbMT1. Furthermore, a plant expression vector of the gene is further constructed, and tobacco is converted through an agrobacterium-mediated method. The growth state and physical signs of the transgenic tobacco are obviously superior to those of the wild tobacco in the conditions of high salt, drought stress and the like. Therefore, the gene IbMT1 from ipomoea batatas provided by the invention is effective in improving the resistance to salt, drought and other adversities of the plants, and has very high application value.
Application Domain
BacteriaPlant peptides +5
Technology Topic
Drought resistanceIpomoea +9
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