Abstract:
:Phosphate transporters (PHTs) are well-known for their roles in phosphate uptake in plants. However, their actions in imparting plant growth in plants are still not so clear. In our previous study, we observed that maize PHT1 gene ZmPt9 plays a significant role in phosphate uptake. In this study, we further characterized ZmPt9 in response to low phosphate condition through ZmPt9 promoter inductive analysis by GUS staining and quantification. To elucidate the function of ZmPt9, we generated overexpression plant in Arabidopsis. ZmPt9 overexpressing Arabidopsis plants conferred small leaves and early flowering compared with the wild-type plants. In addition, ZmPt9 can complement the late flowering phenotype of Arabidopsis mutant pht1;2. The qRT-PCR analysis revealed that overexpression of ZmPt9 in Arabidopsis changed expression levels of some flowering-related genes. Further expressed detection of hormone related genes revealed that GA and auxin maybe the main determinant for growth influences of ZmPt9. In conclusion, these results suggest that apart from phosphate transport activity, ZmPt9 can be further exploited for improving crops growth.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Xu Y,Bao H,Fei H,Zhou W,Li X,Liu Fdoi
10.1016/j.bbrc.2020.09.039subject
Has Abstractpub_date
2020-09-19 00:00:00eissn
0006-291Xissn
1090-2104pii
S0006-291X(20)31780-0pub_type
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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