Evidence for two transport systems for nitrate in the acidophilic thermophilic alga Cyanidium caldarium Amodio FuggiVincenza VonaCarmelo Rigano Original Papers Pages: 281 - 285
Thermoleophilum album gen. nov. and sp. nov., a bacterium obligate for thermophily and n-alkane substrates K. A. ZarillaJ. J. Perry Original Papers Pages: 286 - 290
Role of silicon in diatom metabolism Christopher D. ReevesBenjamin E. Volcani Original Papers Pages: 291 - 294
Taxonomic studies on filamentous bacteria from sewage belonging to the Flavobacterium-Cytophaga complex E. PoenM. AufderheideR. M. Kroppenstedt Original Papers Pages: 295 - 301
Studies on the dehydration of (R)-2-hydroxyglutarate in Acidaminococcus fermentans. A radical mechanism? Georg SchweigerWolfgang Buckel Original Papers Pages: 302 - 307
Isolation and characterization of a new coccoid methanogen, Methanogenium tatii spec. nov. from a solfataric field on Mount Tatio H. P. ZabelH. KönigJ. Winter Original Papers Pages: 308 - 315
Isonicotinic acid hydrazide induced changes and inhibition in mycolic acid synthesis in Nocardia and related taxa Ikuko TomiyasuIkuya Yano Original Papers Pages: 316 - 323
Pentaketide metabolites of melanin synthesis in the dematiaceous fungus Wangiella dermatitidis Philip A. GeisMichael H. WheelerPaul J. Szaniszlo Original Papers Pages: 324 - 328
Fermentation of glutamate and other compounds by Acidaminobacter hydrogenoformans gen. nov. sp. nov., an obligate anaerobe isolated from black mud. Studies with pure cultures and mixed cultures with sulfate-reducing and methanogenic bacteria A. J. M. StamsT. A. Hansen Original Papers Pages: 329 - 337
Changes in properties of phytopathogenic bacteria effected by plasmid pRD1 N. A. KozyrovskayaR. I. GvozdyakV. A. Kordyum Original Papers Pages: 338 - 343
Rationalization of properties of nitrate reductases in Rhodopseudomonas capsulata Alastair G. McEwanJ. Barry JacksonStuart J. Ferguson Original Papers Pages: 344 - 349
Buoyant density changes due to intracellular content of sulfur in Chromatium warmingii and Chromatium vinosum Ricardo GuerreroJordi MasCarlos Pedrós-Alió Original Papers Pages: 350 - 356
Comparison of the killer toxin of several yeasts and the purification of a toxin of type K2 P. PfeifferF. Radler Original Papers Pages: 357 - 361
Studies on the biosynthesis of coenzyme F420 in methanogenic bacteria Rolf JaenchenPeter SchönheitRudolf K. Thauer Original Papers Pages: 362 - 365
Towards a phylogeny of phototrophic purple sulfur bacteria — the genus Ectothiorhodospira Erko StackebrandtValerie J. FowlerJohannes F. Imhoff Original Papers Pages: 366 - 370