Spirochaeta litoralis sp. n., a strictly anaerobic marine spirochete Robert B. HespellE. Canale-Parola OriginalPaper Pages: 1 - 18
The utilisation of galactose by an Aspergillus nidulans mutant lacking galactose phosphate-UDP glucose transferase and its relation to cell wall synthesis D. KatzR. F. Rosenberger OriginalPaper Pages: 41 - 51
The effect of light on growth and development of two nitrogen fixing blue-green algae Madhubala KaushikH. D. Kumar OriginalPaper Pages: 52 - 57
Regulation of arginine biosynthesis in Chlamydomonas reinhardii: Studies in vivo and of ornithine transcarbamoylase and argininosuccinate lyase activities Jacqueline HoldenI. Morris OriginalPaper Pages: 58 - 68
Blutregen und Blutschnee: Stickstoffmangel-Zellen von Haematococcus pluvialis und Chlamydomonas nivalis Franz-Christian Czygan OriginalPaper Pages: 69 - 76
Untersuchungen über die Bedeutung der Biosynthese von Sekundär-Carotinoiden als Artmerkmal bei Grünalgen Franz-Christian Czygan OriginalPaper Pages: 77 - 81
Isolierung und Charakterisierung Pyrazon-abbauender Bakterien C. FröhnerO. OltmannsF. Lingens OriginalPaper Pages: 82 - 89
Activity of some enzymes in Physarum polycephalum A. HüttermannM. T. PorterH. P. Rusch OriginalPaper Pages: 90 - 100
Isoelectric focusing of Clostridium botulinum type a toxin F. GaldieroM. A. TufanoT. Cerciello Short Communication Pages: 101 - 102