Salbitani, Giovanna
(2010)
Effects of sulphate-deficiency on cysteine metabolism in the green alga Chlorella sorokiniana.
[Tesi di dottorato]
(Inedito)
| Tipologia del documento: |
Tesi di dottorato
|
| Lingua: |
English |
| Titolo: |
Effects of sulphate-deficiency on cysteine metabolism in the green alga Chlorella sorokiniana |
| Autori: |
| Autore | Email |
|---|
| Salbitani, Giovanna | g.salbitani@hotmail.it |
|
| Data: |
30 Novembre 2010 |
| Numero di pagine: |
98 |
| Istituzione: |
Università degli Studi di Napoli Federico II |
| Dipartimento: |
Scienze biologiche |
| Scuola di dottorato: |
Scienze biologiche |
| Dottorato: |
Biologia applicata |
| Ciclo di dottorato: |
23 |
| Coordinatore del Corso di dottorato: |
| nome | email |
|---|
| Ricca, Ezio | [non definito] |
|
| Tutor: |
| nome | email |
|---|
| Carfagna, Simona | simcarfa@unina.it |
|
| Data: |
30 Novembre 2010 |
| Numero di pagine: |
98 |
| Parole chiave: |
Cysteine, sulphur metabolism |
| Settori scientifico-disciplinari del MIUR: |
Area 05 - Scienze biologiche > BIO/04 - Fisiologia vegetale |
[error in script]
[error in script]
| Depositato il: |
02 Dic 2010 11:08 |
| Ultima modifica: |
30 Apr 2014 19:45 |
| URI: |
http://www.fedoa.unina.it/id/eprint/8254 |
| DOI: |
10.6092/UNINA/FEDOA/8254 |
Abstract
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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