Zinc (Zn) is an essential micronutrient for the growth and development of all organisms. Zinc deficiency is a widespread micronutrient disorder worldwide, which reduces crop yields and the nutritive value of the grain. Understanding the process of zinc absorption and translocation in crop is essential for this purpose. Zinc is taken up by plants and translocated within plants through high-affinity zinc transporter proteins embedded in the plasma membrane. The Zn transporters are induced under Zn deficiency, and it is speculated that the expression levels of some of zinc transporters are critical for improved tolerance to low zinc. A number of Zn transporters have been cloned from higher plants including rice and Arabidopsis, but little has been done in barley and wheat. This project aims to investigate genes involveld in zinc efficiency mechanism by complementation analysis in yeast, which is double mutant of zinc-transporters, using cDNA expression library from a most zinc efficient barley cultivar, Tokak-157.
| Identifer | oai:union.ndltd.org:METU/oai:etd.lib.metu.edu.tr:http://etd.lib.metu.edu.tr/upload/12608630/index.pdf |
| Date | 01 July 2007 |
| Creators | Yilmaz, Seda Aliye |
| Contributors | Akkaya, Mahinur |
| Publisher | METU |
| Source Sets | Middle East Technical Univ. |
| Language | English |
| Detected Language | English |
| Type | M.S. Thesis |
| Format | text/pdf |
| Rights | To liberate the content for public access |
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