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| Content Provider | Springer Nature Link |
|---|---|
| Author | Asif, Mehar Hasan Trivedi, Prabodh Kumar Misra, Prashant Nath, Pravendra |
| Copyright Year | 2009 |
| Abstract | Proline hydroxylation is an important phenomenon of a living cell. Prolyl-4-hydroxylases (P4H) responsible for this process have been characterized from animals, and one of its forms, HIF-P4H, is regarded as an oxygen sensor. In plants, P4H has been partially characterized from few species, and one of the Arabidopsis P4H (AtP4H1) has been shown to hydroxylate proline-rich peptides in vitro. In order to study its function in planta, we have overexpressed AtP4H1 in Arabidopsis. The AtP4H1oexp plants showed hypoxia-in-normoxia phenotype with strict requirement for carbon source for its growth, increased root hair, absence of trichome, and reduction in seed size. Genome-wide expression analyses suggest that expression of several genes related to hypoxia as well as plant growth and development are upregulated in AtP4H1oexp lines. Based on our studies on AtP4H1oexp lines, we speculate a direct role of AtP4H1 in hypoxia stress and in different stages of plant growth and development. |
| Starting Page | 525 |
| Ending Page | 535 |
| Page Count | 11 |
| File Format | |
| ISSN | 1438793X |
| Journal | Functional & Integrative Genomics |
| Volume Number | 9 |
| Issue Number | 4 |
| e-ISSN | 14387948 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2009-03-10 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Anoxia AtP4H1 Hypoxia Prolyl-4-hydroxylase Animal Genetics and Genomics Bioinformatics Biochemistry Microbial Genetics and Genomics Cell Biology Plant Genetics & Genomics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Medicine |
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