1. D1 polypeptide degradation may regulate psbA gene expression at transcriptional and translational levels in Synechocystis sp. PCC 6803

   • Taina Tyystjärvi
   • Paula Mulo
   • Eva-Mari Aro

   Regular Paper Pages: 111 - 120

2. Photoinhibition of Photosystem I electron transfer activity in isolated Photosystem I preparations with different chlorophyll contents

   • Kyoko Baba
   • Shigeru Itoh
   • Satoshi Hoshina

   Regular Paper Pages: 121 - 130

3. Two forms of the Photosystem II D1 protein alter energy dissipation and state transitions in the cyanobacterium Synechococcus sp. PCC 7942

   • Douglas Campbell
   • Doug Bruce
   • Gunnar Öquist

   Regular Paper Pages: 131 - 144

4. Phosphatase activities in spinach thylakoid membranes-effectors, regulation and location

   • Inger Carlberg
   • Bertil Andersson

   Regular Paper Pages: 145 - 156

5. Bacteriochlorophyll organization and energy transfer kinetics in chlorosomes from Chloroflexus aurantiacus depend on the light regime during growth

   • Ying-Zhong Ma
   • Raymond P. Cox
   • Mette Miller

   Regular Paper Pages: 157 - 165

6. Slow exciton trapping in Photosystem II: A possible physiological role

   • Robert C. Jennings
   • Flavio M. Garlaschi
   • Giuseppe Zucchelli

   Regular Paper Pages: 167 - 173

7. Antenna organization in purple bacteria investigated by means of fluorescence induction curves

   • Hans-Wilhelm Trissl

   Regular Paper Pages: 175 - 185

8. Characterisation of a H₂O₂-oxidisable cytochrome b-559 in intact chloroplasts with a new type of LED Array Spectrophotometer

   • Sebastian Heimann
   • Ulrich Schreiber

   Regular Paper Pages: 187 - 197

9. Anoxygenic photosynthetic bacteria

   • David B. Knaff

   Book Review Pages: 199 - 200

10. Announcement

    Announcement Pages: 201 - 201

11. Announcement

    Announcement Pages: 202 - 202