Chinese Academy of Agricultural Sciences

Shuzhen Ping

Wei Zhang

Ming Jin Chen

Wei Lu

Min Lin

Liang Li

Jin Wang

Aimin Liang

Jie Pan

Zhengfu Zhou

An EPSP synthase (5-enolpyruvylshikimate-3-phosphate synthase) with high glyphosate resistance and a nucleotide sequence encoding the synthase are disclosed. The gene encoding the EPSP synthase has low homology with the reported EPSP synthase. A transgenic plant obtained by the expression of the gene in plant has an increased resistance to glyphosate after experimental confirmation.

EPSP synthase with high glyphosate resistance and its encoded sequence

A gene comprising the nucleic acid sequence of SEQ ID NO:1 and another gene comprising the nucleic acid sequence of SEQ ID NO:2, the latter being artificially synthesized according to plant preferred codons. Both genes encode a protein having the amino acid sequence of SEQ ID NO:3. Also provided are recombinant vectors containing each of the genes and host cells transformed with the recombinant vectors. The host cells can be prokaryotic cells [[and]] or eukaryotic cells. The transgenic plants comprising the gene having the nucleic acid sequence of SEQ ID NO:2 show improved salt and drought tolerance after the [[said]] gene is expressed in the transgenic plants.

Genes for improving salt tolerance and drought tolerance of plant and the uses thereof

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Shuzhen Ping