Salbitani, Giovanna (2010) Effects of sulphate-deficiency on cysteine metabolism in the green alga Chlorella sorokiniana. [Tesi di dottorato] (Unpublished)
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| Item Type: | Tesi di dottorato |
|---|---|
| Resource language: | English |
| Title: | Effects of sulphate-deficiency on cysteine metabolism in the green alga Chlorella sorokiniana |
| Creators: | Creators Email Salbitani, Giovanna g.salbitani@hotmail.it |
| Date: | 30 November 2010 |
| Number of Pages: | 98 |
| Institution: | Università degli Studi di Napoli Federico II |
| Department: | Scienze biologiche |
| Scuola di dottorato: | Scienze biologiche |
| Dottorato: | Biologia applicata |
| Ciclo di dottorato: | 23 |
| Coordinatore del Corso di dottorato: | nome email Ricca, Ezio UNSPECIFIED |
| Tutor: | nome email Carfagna, Simona simcarfa@unina.it |
| Date: | 30 November 2010 |
| Number of Pages: | 98 |
| Keywords: | Cysteine, sulphur metabolism |
| Settori scientifico-disciplinari del MIUR: | Area 05 - Scienze biologiche > BIO/04 - Fisiologia vegetale |
| Date Deposited: | 02 Dec 2010 11:08 |
| Last Modified: | 30 Apr 2014 19:45 |
| URI: | http://www.fedoa.unina.it/id/eprint/8254 |
| DOI: | 10.6092/UNINA/FEDOA/8254 |
Collection description
Plants, bacteria and fungi have the ability to assimilate inorganic sulphur and incorporate it into inorganic compounds. Animals on the contrary, do not assimilate inorganic sulphur; they require methionine as an essential amino acid for their source of sulphur nutrient. The amino acid cysteine (Cys) is the first committed molecule in plant metabolism containing sulphur and it is the sulphide donor for the generation of methionine, glutathione (GSH), phytochelatins, iron-sulphur clusters, vitamins, cofactors, and multiple secondary metabolites; that’s why the regulation of Cys-biosynthesis is critically important. The aim of this research was to investigate the effects of sulphur-deficiency on plant cysteine metabolism and to characterize the O-acetylserine(thiol)lyase (OASTL), a key-enzyme in cysteine biosynthesis.
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