𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Studies on the light-induced loss of the D1 protein in photosystem-II membrane fragments

✍ Scribed by Matthias Kuhn; Peter Böger

Publisher
Springer
Year
1990
Tongue
English
Weight
994 KB
Volume
23
Category
Article
ISSN
0166-8595

No coin nor oath required. For personal study only.

✦ Synopsis

PS II membrane fragments produced from higher plant thylakoids by Triton X-100 treatment exhibit strong photoinhibition and concomitant fast degradation of the D 1 protein. Involvement of (molecular) oxygen is necessary for degradation of the D1 protein.

The herbicides atrazine and diuron, but not ioxynil, partly protect the D1 protein against degradation. Binding of atrazine to the D1 protein is necessary to protect the DI polypeptide, as shown with PSII membrane fragments from an atrazine-resistant biotype of Chenopodium album which are protected by diuron not by atrazine.

📜 SIMILAR VOLUMES

Characterization of damage to the D1 pro
Characterization of damage to the D1 protein of photosystem II under photoinhibitory illumination in non-phosphorylated and phosphorylated thylakoid membranes
✍ N. Mizusawa; N. Yamamoto; M. Miyao 📂 Article 📅 1999 🏛 Elsevier Science 🌐 English ⚖ 818 KB

Thylakoid membranes retaining a high capacity to phosphorylate the D 1 protein of photosystem II but free from contamination by exogenous proteases have been prepared. Almost all the DI protein in this preparation is unphosphorylated, but it is almost completely phosphorylated by illumination in the