Arabidopsis thaliana High-affinity Potassium Transporter AtHAK5 Participated in the Response to Salt Stress and ABA in the Plant Root

doi:10.7668/hbnxb.2014.06.036

Abstract

Abstract: In present study,the expression of AtHAK5 gene were found to be induced by some abiotic stress,such as low potassium,low calcium,NaCl and ABA by GUS activity based histochemical staining of the Arabidopsis thaliana transgenic plants containing a promoter AtHAK5::GUS fusion gene.These stress could up-regulate the expression of AtHAK5 gene of Arabidopsis thaliana confirmed by Real time RT-PCR.The differences of growth phenotype between wild-type Arabidopsis thaliana (Col-0)and the mutant(athak5)in the various abiotic stress treatments proved that AtHAK5 participated in the response to salt and ABA in the plant root.

Key words: AtHAK5, Arabidopsis thaliana, Abiotic stress

CLC Number:

S143.3

ZHANG Yan-tao, WANG Xin, QI Zhi, KANG Yan. Arabidopsis thaliana High-affinity Potassium Transporter AtHAK5 Participated in the Response to Salt Stress and ABA in the Plant Root[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2014, 29(6): 214-219. doi: 10.7668/hbnxb.2014.06.036.

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