Contents

Aagaard, C. s. Garrett, R. A. Abad, J. P. s. Lopez-Garcia Acca, M., Bocchetta, M., Ceccarelli, E., Creti, R., Stetter,

K. O., Cammarano, P.: Updating Mass and Composi­tion of Archaeal and Bacterial Ribosomes. Archaeal-like Features of Ribosomes from the Deep-Branching Bac-terium Aquifex pyrophilus . . . . . . . . . . . . . .. 629

Adachi, K. s. Kishimoto, N. Akagawa-Matsushita, M. s. Koga, Y. Alfenas, A. C. s. Crous, P. W. Alting, A. C. s. Exterkate, F. A. Amann, R. s. Beimfohr, C. Amils, R. s. Lopez-Garcia Andersen, M. s. Garrett, R. A. Anemuller, S. s. Schafer, G. Arndt, E. s. Franceschi, F. Arnold-Ammer, 1. s. Lanzendorfer, M. Arora, P. s. Ng, W.-L. Auer, J. s. Guenther, [. Augustyn, O. P. H. s. Botha, A. Auling, G., Busse, H.-J. , Egli, T. , El-Banna, T., Stacke­

brandt, E.: Description of the Gram-Negative, Obli­gately Aerobic, Nitrilotriacetate (NT A)-Utilizing Bac­teria as Chelobacter heintzii, gen. nov., sp. nov., and Chelatococcus asaccharovorans, gen. nov., sp. nov. 104

- s. Meyer, O. - s. Wilberg, E. Aznar, R., Ludwig, W., Schleifer, K.-H.: Ribotyping and

Randomly Aplified Polymorphic DNA Analysis of Vib-rio vulnificus Biotypes .. . . . . . . . . . . . . . .. 303

Barja, J. L. s. Romalde, J. L. Baudin, P. s. Yang, P. Bauer, C. s. Schulz, T. F. Baumeister, W. s. Puhler, G. Beimfohr, c., Krause, A., Amann, R., Ludwig, W.,

Schleifer, K.-H.: In situ Identification of Lactococci, En­terococci and Streptococci . . . . . . . . . . . . . .. 450

Bergerat, A. s. Forterre, P. Betlach, M. c., Gropp, F.: The bop Gene Cluster of

Halobacterium halobium . . . . . . . . . . . . . . .. 712 - s. Gropp, F. Bobovnikova, Y., Ng, W.-L., DasSarma, 5., Hackett, N. R.:

Restriction Mapping the Genome NCR-1 of Halobac­teriumhalobiumStrain . . . . . . . . . . . . . . . .. 597

Bocchetta, M. s. Acca, M. Boddeker, N. s. Franceschi, F. Botes, P.J. s. Botha, A Botha, A., Kock, J. L. F., Van Dyk, M. S., Coetzee, D.].,

Augustyn, O. P. H., Botes, P.J.: Yeast Eicosanoids. IV. Evidence for Prostaglandin Production During Asco-sporogenesis by Dipodascopsis tothii . . . . . . . . .. 159

Brenes, M. s. Duran, M. C. Brewis, E. A. s. Van der Walt, ]. P Bulygina, E. S., Govorukhina, N. I., Netrusov, A. 1., Trot­

senko, Y. A., Chumakov, K. M.: Comparative Studies on 5S RNA Sequences and DNA-DNA Hybridization of Obligately and Restricted Facultatively Methylotrophic Bacteria. . . . . . . . . . . . . . . . . . . . . . . .. 85

Busse, H .-J. s. Auling, G.

Cammarano, P. s. Acca, M. Caprini, E. s. Martayan, A.

Carnahan, A. M., Joseph, S. W .: Systematic Assessemt of Geographically and Clinically Diverse Aeromonads 72

Castresana, ]. s. Lubben, M. Ceccarelli, E. s. Acca, M. Chapelle, S. s. Wilmotte, A. Chernych, N. A . s. Simankowa, V. Chumakov, K. M. s. Bulygina, E. S. Clarke, S. D., Ritchie, D. A., Williams, S. T.: Ribosomal

DNA Restriction Fragment Analysis of Some Closely Related Streptomyces Species . . . . . . . . . . . . .. 256

Coetzee, D.]. s. Botha, A. Confalonieri, F. s. Forterre, P. Conrad, R. s. Saad, O. A. L. O. Corstjens, P., Muyzer, G.: Phylogenetic Analysis of the

Metal-Oxidizing Bacteria Leptothrix discophora and Sphaerotilus natans Using 16S rDNA Sequencing Data. 219

Costas, M., On, S. L. W., Owen, R.J., Lopez-Urquijo, B., Lastovica, A.].: Differentiation of Helicobacter Species by Numerical Analysis of their One-Dimensional Elec-trophoretic Protein Patterns . . . .. .. . ... ... 396

- s. On, S. L. W. Coury, D. A. s. Naganuma, T. Creti, R. s. Acca, M. Crous, P. W., Janse, B.]. H. , Victor, D., Marais, G. F.,

Alfenas, A. c.: Characterization of Some Cylindroc­ladium Species with Three-Septate Conidia Using Mor­phology, Isozyme Banding Patterns and DNA Poly­morphisms . . . . . . . . . . . . . . . . . . . . . .. 266

Dalgaard, J. Z. s. Garrett, R. A. Danson, M. J. s. Muir, J. M. DasSarma, S .. s. Bobovnikova, Y. - s. Ng, W.-Z. Davey, M. E., Wood, W. A., Key, R., Nakamura, K.,

Stahl, D. A.: Isolation of Three Species of Geotoga and Petrotoga: Two New Genera, Representing a New Lineage in the Bacterial Line of Descent Distantly Re-lated to the "Thermotogales" . . . . . . . . . . . . .. 191

De Baere, R. s. Wilmotte, A. Del Dot, T., Osawa, R., Stackebrandt, E.: Phascolarc­

to bacterium faecium gen. nov., spec. nov., a Novel Ta-xon of the Sporomusa Group of Bacteria . . . . . . .. 380

Dennis, P. P. s. Yee, J. Derckacheva, N. I. s. Maukin, A. S. De Vos, P. , Vande Woestyne, M., Vancanneyt, M., Ver­

straete, W., Kersters, K.: Identification of Proferroro­samine Producing Pseudomonas sp. Strain GH (LMG 11358) as Erwinia rhapontici . . . . . . . . . . . . .. 252

- s. Nollnig, ]. - s. Vanbrabant,]. - s. Van der Meer,]. R. De Wachter, R. s. Van Camp, G. - s. Wi/motte, A. Duguet, M. s. Forterre, P. Duran, M. c., Garcia, P., Brenes, M., Garrido, A .: Lac­

tobacillus plantarum Survival During the First Days of Ripe Olive Brining . . . . . . . . . . . . . . . . . .. 153

Dyall-Smith, M. s. Forterre, P.

Egli, T. s. Auling, G. - s. Wilberg, E. Eichhorn, K. W. s. Schulz, T. F. El-Banna, T. s. Auling, G.

IV Contents

- s. Wilberg, E. Elie, C s. Forterre, P. Embley, T. M., Thomas, R. H ., Williams, R. A. D.: Re­

duced Thermophilic Bias in the 16S rDNA Sequence from Thermus ruber Provides Further. Support for a Relationship Between Thermus and Deinococcus. . .. 25

Englert, C s. Pfeifer, F. Evers, S., Weizenegger, M ., Ludwig, W., Schink, B.,

Schleifer, K.-H.: The Phylogenetic Positions of Pelobac-ter acetylenicus and Pelobacter proprionicus . . . . .. 216

- s. Franceschi, F. Exterkate, F. A., Alting, A. C: The Conversion of the asr

Casein-(1-23)-Fragment by the Free and Bound Form of the Cell-Envelope Proteinase of Lactococcus lactis subsp. cremoris Under Cinditions Prevailing in Cheese 1

Fernandez-Castillo, R. s. Nieto, J.J. Fierens, H. s. Van Camp, G. Forte, E., Londei, P.: Synthesis and Processing of Archaeal

Ribosomal RNA in E. coli Cells. . . . . . . . . . . .. 706 Forterre, P., Bergerat, A., Gadelle, D., Elie, C, Lott­

speich, F., Confalonieri, F., Duguet, M., Holmes, M., Dyall-Smith, M.: Evolution of DNA Topoisomerases and DNA Polymerases: a Perspective from Archaea 746

- s. Mankin, A. S. Fox, G.E. s. Hedenstierna, K. O. F. Franceschi, F., Sagi, I., Boddeker, N., Evers, U., Arndt, E.,

Paulke, C, Hasenbank, R., Laschever, M., Glotz, C, Piefke, J., Mussig, J., Weinstein, S., Yonath, A.: Crystal­lographic, Biochemical and Genetic Studies on Halophilic Ribosomes .......... ..... .. 697

Franco, A. A. s. Moreira, F. M. S.

Gadelle, D. s. Forterre, P. Gaillardin, C s. Naumov, G. Gambacorta, A., Trincone, A., Nicolaus, B., Lama, L., De

Rosa, M.: Unique Features of Lipids of Archaea 518 Garcia, M. T. s. Nieto, J. J. Garcia, P. s. Duran, M. C Garrett, R. A., Aagaard, C, Andersen, M., Dalgaard,

J. Z., Lykke-Andersen, J., Phan, H. T. N., Trevisanato, S., 0stergaard, L., Larsen, N., Leffers, H.: Archaeal rRNA Operons, Intron Splicing and Homing Endo-nucleases, RNA Polymerase Operons and Phylogeny 680

- s. Mankin, A. S. Garrido, A. s. Duran, M. C Ghahraman, P. s. Pfeifer, F. Gibor, A. s. Naganuma, T. Gillis, M. s. Moreira, F. M. S. Giovannetti, L. s. Ventura, S. Gleissner, M. s. Schafer, G. Glotz, C s. Franceschi, F. Golubev, W.: Rhodosporidium Babjevae, a New Hetero-

thallic Yeast Species (Ustilaginales) . . . . . . . . . .. 445 Gongadze, G. M. s. Kotelnikova, S. V. Goossens, H. s. Van Camp, G. Gori, A. s. Ventura, S. Goris, A. s. Wilmotte, A. Govorukhina, N. I. s. Bulygina, E. S. Grant, W.-D . s. McGenity, T.J. Grayling, R. A., Sandman, K., Reeve, J. N.: Archaeal

DNA Binding Proteins and Chromosome Structure. .. 582 Gropp, F., Gropp, R., Betlach, M. C: A Fourth Gene in

the bop Gene Cluster is Co-regulated with the bop Gene 716 - s. Betlach, M. C Gropp, R. s. Gropp, F.

Guenther, I. , Yang, D.-C, Auer, J., Matheson, A. T.: The Nucleotide Sequence of the sec Y gene in the Archaeon Sulfulobus Acidocaldarius . . . . . . . . . . . . . .. 692

Gurtler, H. s. Kemmerling, C Guillot, E., Leclerc, H.: Bacterial Flora in Natural Mine­

ral Waters: Characterization by Ribosomal Ribonucleic Acid Gene Restriction Pattern ............. 120

Gutell, R. s. Ree, H. K.

Hackett, N. R. s. Bobonikova, Y. Haggblom, M.M. s. Nohynek, L.J. Hafenbradl, D., Keller, M ., Thiericke, R., Stetter, K.O.:

A Novel Unsaturated Archaeal Ether Core Lipid from the Hyperthermophile Methanopyrus kandleri 165

Hahn, D. s. NOlling, J. Hain, J. s. Lanzendorfer, M. - s. Zillig, W. Hammes, W. P. s. Vogel, R. F. Hardarson, G. s. Springer, N. Hartmann, E. s. Konig, H. Hasenbank, R. s. Franceschi, F. Hausner, W. s. Thomm, M. Hedenstierna, K. O. F., Lee, Y.-H., Yang, Y., Fox, G. E.:

A Prototype Stable RNA Identification Cassette for Monitoring Plasmids of Genetically Engineered Micro­organisms. . . . . . . . . . . . . . . . . . . . . . .. 280

Hennebert, G. L. s. Wilmotte, A. Hensel, R., Jakob, I.: Stability of Glyceraldehyde-3-Phos­

phate Dehydrogenases from Hyperthermophilic Ar-chaea at High Temperature. . . . . . . . . . . . . .. 742

Hertel, C, Ludwig, W., Pot, B., Kersters, K., Schleifer, K.­H.: Differentiation of Lactobacilli Occurring in Fer­mented Milk Products by Using Oligonucleotide Probes and Electrophoretic Protein Profiles .. .... .... 463

Hethke, C s. Thomm, M. Holmes, M. s. Forterre, P. - s. On, S. L. W. Holz, I. s. Lanzendorfer, M. - s. Zillig, W. Horikoshi, K. s. Naganuma, T. Hoste, B. s. Yang, P. Hough, D. W. s. Muir, J. M. Huyghebaert, A. s. Van Camp, G.

Inagaki, K. s. Kishimoto, N. Ishii, T., Ohba, M.: Characterization of Mosquito­

Specific Bacillus thuringiensis Strains Coisolated from a Soil Population . . . . . . . . . . . . . . . . . . . .. 494

Jakob, I. s. Hensel, R. Janekovic, D. s. Zillig, W. Janse, B.J. H. s. Crous, P. W. Joseph, S. W. s. Carnahan, A. M.

Karcher, H. s. Konig, H. Kagramanova, V. K. s. Mankin, A. S. Kandler, 0 .: Cell Wall Bioch~mistry and Three-Domain

Concept of Life . . . . . . . . . . . . . . . . . . . .. 501 Kawai, F. s. Takeuchi, M. Keller, M. s. Hafenbradl, D. Kemmerling, C, Gurtler, H., Kroppenstedt, R., Toalster,

R., Stackebrandt, E.: Evidence for the Phylogenetic Heterogeneity of the Genus Streptosporangium . 369

Kersters, K. s. De Vos, P. - s. Hertel, C. - s. Moreira, F. M. S. - s. Van brabant, J.

- s. Yang, P. Key, R. s. Davey, M. E. Kishimoto, N. Adachi, K., Tamura, S., Nishihara, M., Ina­

gaki, K., Sugio, T., Tano, T.: Lipoamino Acids Isolated from Acidiphilium organovorum . . . . . . . . . . .. 17

Kleinschmidt, J., Soeding, B., Teuber, M., Neve, H.: Evaluation of Horizontal and Vertical Gene Transfer and Stability of Heterologous DNA in Streptococcus thermophilus Isolated from Yogurt and Yogurt Starter Cultures ........................ 287

- s. Soeding, B. Klenk, H.-P., Palm, P., Zillig, W.: DNA-dependent RNA

Polymerases as Phylogenetic Marker Molecules. . . .. 638 Klenk, H.-P., Zillig, W.: Archaea Contain an Open Rea-

ding Frame Paralogous to the Gene of the Ribosomal Protein S3. . . . . . . . . . . . . . . . . . . . . . .. 22

- s. Lanzendorfer, M. - s. Prangishvili, D. Kletzin, A.: Sulfur Oxidation and Reduction in Archaea:

Sulfur Oxygenase/-Reductase and Hydrogenases from the Extremely Thermophilic and Facultatively Anaero-bic Archaeon Desulfurolobus ambivalens. . . . . . .. 534

- s. Zillig, W. Kock, J. L. F. s. Botha, A. Konig, H., Hartmann, E., Karcher, U.: Pathways and

Principles of the Biosynthesis of Methanobacterial Cell Wall Polymers ... . . . . . . . . . . . . . . . . .. 510

Koga, Y., Akagawa-Matsushita, M., Ghga, M., Nishihara, M.: Taxonomic Significance of the Distribution of Component Parts of Polar Ether Lipids in Methanogens 342

Kotelnikova, S. V., Gbraztsova, A. Y., Gongadze, G. M., Laurinavichius, K. S.: Methanobacterium thermofle­xum sp. nov. and Methanobacterium defluvii sp. nov., Thermophilic Rod-Shaped Methanogens Isolated from Anaerobic Digestor Sludge . . . . . . . . . . . . . .. 427

Krause, A. s. Beimfohr, C. Krist jansson, J. K. s. Zillig, W. Kronqvist, K. s. Nohynek, L.J. Kroppenstedt, R. s. Kemmerling, C. Kriiger, K. s. Pfeifer, F.

Lama, L. s. De Rosa, M. Langer, D. s. Lanzendorfer, M. Lanzendorfer, M., Langer, D., Hain, J., Klenk, H.-P.,

Holz, I., Arnold-Ammer, I., Zillig, W: Structure and function of the DNA-Dependent RNA polymerase of Sulfolobus . . . . . . . . . . . . . . . . . . . . . .. 656

- s. Zillig, W. Larsen, N. s. Garrett, R. A. - s. Ree, H. K. Laschever, M. s. Franceschi, F. Lastovica, A. J. s. Costas, M. Laurinavichius, K. S. s. Kotelnikova, S. V. Leclerc, H. s. Guillot, E. Lee, Y.-H. s. Hedenstierna, K. G. F. Leffers, H. s. Garrett, R. A. Leviev, I. G. s. Mankin, A. S. Liessens, J. s. Vanbrabant, J. Londei, P. s. Forte, E. - s. Martayan, A. Lopez-Garda, P., Abad, J. P., Amils, R.: Genome Analysis

of Different Haloferax mediterranei Strains Using Pulsed-Field Gel Electrophoresis . . . . . . . . . . .. 310

Lopez-Urquijo, B. s. Costas, M. Lorenz, D. s. Schulz, T. F. Lottspeich, F. s. Forterre, P.

Contents V

Love, C. A., Patel, B. K. c., Nichols, P. D., Stackebrandt, E.: Desulfotomaculum, australicum, sp. nov., a Ther­mophilic Sulfate-Reducing Bacterium Isolated from the Great Artesian Basin of Australia . . . . . . . . . . " 244

Ludwig, W. s. Aznar, R. - s. Beimfohr, C. - s. Evers, S. - s. Hertel, C. - s. Nolling, J. - s. Springer, N. - s. Van der Meer, J. R. Liibben, M., Castresana, J., Warne, A.: Terminal Oxi-

dases of Sulfolobus: Genes and Proteins 556 Lyke-Andersen, J. s. Garrett, R. A.

Magarifios, B. s. Romalde, J. L. Mankin, A. S., Derckacheva, N. I., Leviev, I. G., Kagra-­

manova, V. K., Forterre, P., Garrett, R. A.: Stable Maintenance in Halobacteria of Plasmids Harboring rDNA. . . . . . . . . . . . . . . . . . . . . . . . .. 672

Marais, G. F. s. Crous, P. W. Martayan, A., Caprini, E., Londei, P.: The 23 S Riboso­

mal RNA of Sulfolobus solfataricus (Strain MT4): Se­quence, Structure and Functional Homology with Other 23 S rRNAs of Thermophilic, Sulfur-Dependent Ar-chaea . . . . . . . . . . . . . . . . . . . . . . . . .. 170

Martini, A. s. Vaughan-Martini, A. Materassi, R. s. Ventura, S. Matheson, A. T. s. Guenther, I. Mayer, H. s. Weibgen, U. McGenity, T.J., Grant, W.-D.: The Haloalkaliphilic Ar­

chaeon (Archaebacterium) Natronococcus occultus Represents a Distinct Lineage Within the Halobacteria-les, Most Closely Related to the Other Haloalkaliphilic Lineage (Natronobacterium) . . . . . . . . . . . . .. 239

Mellado, E. s. Nieto, J.J. Mevarech, M. s. Tchelet, R. Meyer, G., Stackebrandt, E., Auling, G.: Reclassification

of Ubiquinone Q-I0 Containing Carboxidotrophic Bac­teria: Transfer of "[Pseudomonas] carboxydovorans" OM5T to Gligotropha, gen. nov., as Gligotropha car­boxidovorans, comb. nov., Transfer of "[Alcaligenes] carboxydus" DSM 1086T to Carbophilus, gen. nov., as Carbophilus carboxidus, comb. nov., Transfer of "[Pseudomonas] compransoris" DSM 1231T to Zavar­zinia, gen. nov., as Zavarzinia compransoris, comb. nov., and Amended Descriptions of the New Genera .. 390

Moll, R. s. Scharer, G. Moreira, F. M. S., Gillis, M., Pot, B., Kersters, K., Franco,

A. A.: Characterization of Rhizobia Isolated from Diffe­rent Divergence Groups of Tropical Leguminosae by Comparative Polyacrylamide Gel Electrophoresis of their Total Proteins . . . . . . . . . . . . . . . . . .. 13 5

Miissig, J. s. Franceschi, F. Muir, J. M., Hough, D. W., Danson, M.J.: Citrate Syn-

thases from the Archaea ................ 528 Muskhelishvili, G.: The Archaeal SSV Integrase Promotes

Intermolecular Excisive Recombination in Vitro 605 Muyzger, G. s. Corstjens, P.

Naganuma, T., Coury, D. A., Poline-Fuller, M., Gibor, A., Horikoshi, K.: Characterization of Agarolytic Micro-scilla Isolates and their Extracellular Agarases . . . .. 183

Nakamura, K. s. Davey, M. E. Naumov, G., Naumova, E., Gaillardin, c.: Genetic and

Karyotypic Identification of Wine Saccharomyces bay-anus Yeasts Isolated in France and Italy. . . . . . . .. 274

VI Contents

Naumova, E. s. Naumov, G. Neefs, J.-M. s. Van Camp, G. - s. Wilmotte, A. Nelissen, B. s. Wilmotte, A. Netrusov, A. J. s. Bulygina, E. S. Neve, H. s. Kleinschmidt, J. - s. Soeding, B. Ng, W.-L., Arora, P., DasSarma, S.: Large Deletions in

Class III Gas Vesicle-Deficient Mutants of Halobac­terium halobium . . . . . . . . . . . . . . . . . . . .

- s. Bobovnikova, Y. Nichols, P. D. s. Love, C. A. Nicolai, S. s. Van Camp, G. Nicolaus, B. s. Gambacorta, A. Nieto, J.J., Fernandez-Castillo, R., Garcia, M. T., Mel­

lado, E., Ventosa, A.: Survey of Antimicrobial Suscepti­bility of Moderately Halophilic Eubacteria and Ex­tremely Halophilic Aerobic Archaeobacteria: Utiliza­tion of Antimicrobial Resistance as a Genetic Marker.

Nishihara, M. s. Kishimoto, N. - s. Koga, Y. Nolling, J., Hahn, D., Ludwig, W., De Vos, W. M.: Phy­

logenetic Analysis of Thermophilic Methanobacterium sp.: Evidence for a Formate-Utilizing Ancestor . . . . .

Nohynek, L.J., Hiiggblom, M. M., Palleroni, N.J., Kron­qvist, K., Nurmiaho-Lassila, E.-L., Salkinoja-Salonen, M.: Characterization of a Mycobacterium fortuitum Strain Capable of Degrading Polychlorinated Phenolitic Compounds ..................... .

Nurmiaho-Lassila, E.-L. s. Nohynek, L.J.

Obraztsova, A. Y. s. Kotelnikova, S. V. Ochi, K., Satoh, E., Shima, J.: Amino Acid Sequence

Analysis of Ribosomal Protein AT-L30 from Strepto­sporangium corrugatum and Kibdelosporangium ari-dum . ......................... .

0stergaard, L. s. Garrett, R. A. Offner, s. s. Pfeifer, F. Ohba, M. s. Ishii, T. Ohga, M. s. Koga, Y. On, S. L. W., Costas, M., Holmes, B.: Identification and

Intra-specific Heterogeneity of Campylobaeter hyoin­testinalis Based on Numerical Analysis of Electrophore-tic Protein Profiles .................. .

- s. Costas, M. Osawa, R. s. Del Dot, T. Osipov, G.A. s. Simankova, V. Owen, R. J. s. Costas, M.

Palm, P. s. Klenk, H.-P. Patel, B. K. C. s. Love, C. A. Patteroni, N.]. s. Nohynek, L.]. Paulke, C. s. Franceschi, F. Pfeifer, F., Offner, S., Kruger, K., Ghahraman, P., Eng­

lert, c.: Transformation of Halophilic Archaea and In-vestigation of Gas Vesicle Synthesis .......... .

Phan, H. T. N. s. Garrett, R. A. Piefke, J. s. Franceschi, F. Pitzer, F. s. Puhler, G. Plapp, R. s. Schulz, T. F. Pohle, B. S. s. Vogel, R. F. Polne-Fuller, M. s. Naganuma, T. Pot, B. s. Hertel, C. - s. Moreira, F. M. S. Prangishvili, D., Klenk, H.-P.: The Gene for a 74 kDa

DNA Polymerase from the Archaeon Sulfolobus sol-fataricus ....................... .

560

352

208

126

13

37

569

665

Pretorius, E. E., Spaaij, F., Weber, G., Van der Walt, J. P.: Myxozyma monticola sp. nov. (Candidaceae), a New Species from South African Soil . . . . . . . . . . . . .

Prior, B. A. s. Van der Walt,]. P. Puh/er, G., Pitzer, F., Zwickel, P., Baumeister, W.: Pro­

teasomes: Multisubunit Proteinases common to Ther­moplasma and Eukaryotes . . . . . . . . . . . . . . .

Rainey, F. A., Stackebrandt, E.: Phylogenetic Evidence for the Relationship of Saccharococcus thermophilus to Bacillus stearothermophilus .. . . . . . . . . . . . .

Rainey, F. A., Toalster, R., Stackebrandt, E.: Desulfurella acetivorans, a Thermophilic, Acetate-Oxidizing and Sulfur-Reducing Organism, Represents a Distinct Lineage within the Proteobacteria ...... . . . . .

Ree, H. K., Larsen, N., Gutell, R., Zimmermann, R. A.: The Primary and Secondary Structures of the 23S Ribosomal RNA from Thermoplasma acidophilum De­fine an Ancient Archaeal Divergence . . . . . . . . . .

Reeve, ]. N. s. Grayling, R. A. Ritchie, D. A. s. Clarke, S. D. Romalde, ]. L., Magarifios, B., Barja, ]. L., Toranzo,

A. E.: Antigenic and Molecular Characterization of Yer­sinia ruckeri Proposal for a New Intraspecies Classifica-tion ......... .

Rott, P. s. Yang, P. Russa, R. s. Weibgen, U.

Saad, O. A. L. 0., Conrad, R.: Adaptation of Tempera­ture of Nitric Oxide-Producing Nitrate-Reducing Bacte­rial Populations in Soil . . . . . . . . . . . . . . . . .

Sagi, I. s. Franceschi, F. Salkinoja-Salonen, M. s. Nohynek, L.J. Sandman, K. s. Grayling, R. A. Satoh, E. s. Ochi, K. Schiifer, G., Anemuller, S., Moll, R., Gleissner, M.,

Schmidt, C. L.: Has Sulfolobus an Archaic Respiratory System? Structure, Function and Genes of its Compo-nents ......................... .

Schink, B. s. Evers, S. Schleifer, K.-H. s. Aznar, R. - s. Beimfohr, C. - s. Evers, S. - s. Hertel, C. Schleper, C. s. Zillig, W. Schlesner, H. s. Sittig, M. Schmidt, C. L. s. Schiifer, G. Schulz, T. F., Bauer, c., Lorenz, D., Plapp, R., Eichhorn,

K. W.: Studies on the Evolution of Agrobacterium vitis as Based on Genomic Fingerprinting and IS Element Analysis ....................... .

Shaw, N .. s. Sutcliffe, ]. C. Shima, ]. s. Ochi, K. Shimada, Y. s. Takeuchi, M. Simankova, V., Chernych, N. A., Osipov, G. A., Zavarzin,

G. A.: Halocella cellulolytica gen. nov., sp. nov., a New Obligately Anaerobic, Halophilic, Cellulolytic bac-terium ........................ .

Sittig, M., Schlesner, H.: Chemotaxonomic Investigation of Various Prosthecate and/or Budding Bacteria ....

Soeding, B., Kleinschmidt, ]., Teuber, M., Neve, H.: As­sessment of Abilities of Conjugal Transfer and Stability of pAMP 1 in Dairy Lactobacilli with Emphasis of Ther­mophilic and Nonstarter Lactobacilli. . . . . . . ...

Soeding, B. s. Kleinschmidt, ].

261

734

224

373

333

411

120

544

322

385

92

296

Soppa, ].: Compilation of Halobacterial Protein Coding Genes, the Halobacterial Codon Usage Table and its Use. . . . . . . . . . . . . . . . . . . . . . . . . .. 725

Spaaij, F. s. Pretorius, E. E Springer, N., Ludwig, W., Hardarson, G.: A 23S rRNA

Targeted Specific Hybridization Probe for Brady­rhizobium japonicum . . . . . . . . . . . . . . . . .. 468

Stackebrandt, E. s. Auling, G. - s. Del Dot, F. - s. Kemmerling, C. - s. Love, C. A. - s. Meyer, O. - s. Rainey, F. A. Stahl, D. A. s. Davey, M. E. Stetter, K. O. s. Acca, M. - s. Hafenbradl, D. Stolt, P., Zillig, W.: Gene Regulation in Halophage, <I>H;

more than Promoters . . . . . . . . . . . . . . . . .. 591 Sugio, T. s. Kishimoto, N. Sutcliffe, I. c., Shaw, N.: The Phospholipids of Propioni­

bacterium freudenreichii: Absence of Phosphatidylino-sitol Mannosides . . . . . . . . . . . . . . . . . . . . 9

Swings,]. s. Yang, P.

Takeuchi, M., Kawai, F., Shimada, Y., Yokota, A.: Tax­onomic Study of Polyethylene Glycol-Utilizing Bacteria: Emended Description of the Genus Sphingomonas and New Descriptions of Sphingomonas macrogoltabidus sp. nov., Sphingomonas sanguis sp. nov. and Sphing­omonas terrae sp. nov. . . . . . . . . . . . . . . . .. 227

Tamura, S. s. Kishimoto, N. Tano, T. s. Kishimoto, N. Tchelet, R. , Mevarech, M.: Interspecies Genetic Transfer

in Halophilic Archaebacteria . . . . . . . . . . . . .. 578 Teuber, M. s. Kleinschmidt, H. - s. Soeding, B. Thiericke, R. s. Hafenbradl, D. Thomas, R. H. s. Embley, T. M. Thomm, M., Hausner, W., Hethke, c.: Transcription Fac­

tors and Termination of Transcription in Methanococ-cus . . . . . . . . . . . . . . . . . . . . . . . . . .. 648

Tichaczek, P. S. s. Vogel, R. F. Toalster, R. s. Kemmerling, C. - s. Rainey, F. A. Toranzo, A. E. s. Romalde, ]. L. Trevisanato, S. s. Garrett, R. A. Trincone, A. s. Gambacorta, A. Trotsenko, Y. A. s. Bulygina, E. S.

Vanbrabant,]., De Vos, P., Vancanneyt, M., Liessens, ]., Verstraete, W., Kersters, K.: Isolation and Identification of Autotrophic and Heterotraophic Bacteria from an Autohydrogenotrophic Pilot-plant for Denitrification of Drinking Water. . . . . . . . . . . . . . . . . . . .. 471

Van Camp, G., Fierens, H., Vandamme, P., Goossens, H., Huyghebaert, A., De Wachter, R.: Identification of En­teropathogenic Campylobacter Species by Oligonucleo­tide Probes and Polymerase Chain Reaction Based on 16S rRNA Genes . . . . . . . . . . . . . . . . . . .. 30

Van Camp, G., Van de Peer, Y., Nicolai, S., Neefs, ].-M., Vandamme, P. , De Wachter, R .: Structure of 16S and 23S Ribosomal RNA Genes in Campylobaeter Species: Phylogenetic Analysis of the Genus Campylobacter and Presence of Internal Transcribed Spacers . . . . . . .. 361

Vancanneyt, M. s. De Vos, P. - s. Vanbrabant,].

- s. Yang, P. Vandamme, P. s. Van Camp, G. Van de Peer, Y. s. Van Camp, G. - s. Wilmotte, A.

Contents VII

Van der Meer,]. R., Ludwig, W., De Vos, W. M.: Charac­terization of a Ribosomal RNA Gene Cluster from Clostridium tyrobutyricum: Phylogenetic Positioning Based on the 16S and 23S Nucleotide Sequences . . .. 201

Van der Walt,]. P., Brewis, E. A ., Prior, B. A.: A Note on the Utilization of Aliphatic Nitriles by Yeasts. 330

- s. Pretorius, E. E. Vande Woestyne, M. s. De Vos, P. Van Dyk, M. S. s. Botha, A. Vaughan-Martini, Martini, A.: A Taxonomic Key for the

Genus Saccharomyces ... . ............. 113 Vauterin, L. s. Yang, P. Ventosa, A. s. Nieto,].]. Ventura, S., Giovannetti, L., Gori, A., Viti, c., Materassi,

R.: Total DNA Restriction Pattern and Quinone Com­position of Members of the Family Ectothiorhodo­spiraceae . . . . . . . . . . . . . . . . . . . . . . .. 405

Verstraete, W. s. De Vos, P. - s. Vanbrabant,]. Victor, D. s. Crous, P. W. Viti, C. s. Ventura, S. Vogel, R. F., Pohle, B. S., Tichaczek, P. S., Hammes,

W. P.: The Competitive Advantage of Laetobacillus curvatus LTH 1174 in Sausage Fermentations is Caused by Formation of Durvacin A . . . . . . . . . . . . .. 457

Warne, A. s. Lubben, M. Weber, G. s. Pretorius, E. E. Weibgen, U., Russa, R., Yokota, A., Mayer, H.: Tax­

onomic Significance of the Lipopolysaccharide Com­position of the Three Biovars of Agrobacterium tumefa-ciens .... ....... . ... .. . ...... " 177

Weinstein, S. s. Franchesi, F. Weizenegger, M. s. Evers, S. Wilberg, E., El-Banna, T., Auling, G., Egli, T.: Serological

Studies on Nitrilotriacetic Acid (NT A)-Utilizing Bac­teria: Distribution of Chelatobacter heintzii and Chela­tococcus asaccharovorans in Sewage Treatment Plants and Aquatic Ecosystems . . . . . . . . . . . . . . .. 147

Williams, R. A. D. s. Embley, T. M. Williams, S. T. s. Clarke, S. D. Wilmotte, A., Van de Peer, Y., Goris, A., Chapelle, S., De

Baere, R., Nelissen, B. , Neefs, f .-M., Hennebert, G. L., De Wachter, R.: Evolutionary Relationships Among Higher Fungi Inferred from Small Ribosomal Subunit RNA Sequences Analysis . . . . . . . . . . . . . . .. 436

Wood, W. A. s. Davey, M. E.

Yang, D.-C. s. Guenther, I. Yang, P., Rott, P., Vauterin, L., Hoste, B., Baudin, P.,

Kersters, K., Swings, ].: Intraspecific Variability of Xanthomonas albilineans. . . . . . . . . . . . . . .. 420

Yang, P. , Vauterin, L., Vancanneyt, M., Swings,]., Kers-ters, K.: Application of Fatty Acid Methyl Esters for the Taxonomic Analysis of the Genus Xanthomonas . . .. 47

Yang, Y. s. Hedenstierna, K. O. F. Yee, ]., Dennis, P. P.: The NADP-Dependent Glutamate

Dehydrogenase of Giardia lamblia : A Study of Func-tion, Gene Structure and Expression . . . . . . . . .. 759

Yokota, A. s. Takeuchi, M. - s. Weibgen, U. Yonath, A. s. Franceschi, F.

VIII Contents

Zavarzin, C. A. s. Simankova, V. Zillig, W., Kletzin, A., Schleper, c., Holz, I., Janekovic,

D., Hain, J., Lanzen, M., Lanzendorfer, M., Kristjans­son, J. K.: Screening for Sulfolobales, their Plasmids and their Viruses in Icelandic Solfataras . . . . . . . . . .. 609

Zillig, W. s. Klenk, H.-P. - s. Lanzendorfer, M. - s. Stolt, P. Zimmermann, R. A. s. Ree, K. K. Zwickel, P. s. Pilhler, C.