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The World of Protozoa, Rotifera, Nematoda and Oligochaeta

Reference (Ref ID : 4300-4399)

Ref ID : 4300

M. Wiemann; The Release of Holospora obtusa from Paramecium caudatum Observed with a New Device for Extended in Vivo Microscopy. J.Protozool. 36(2):176-179, 1989

Ref ID : 4301

John R. Preer, Jr.; Update on the Molecular Genetics of Paramecium. J.Protozool. 36(2):182-184, 1989 (In file)

Ref ID : 4302

Suzanne J. Suchard, Dennis E. Rhoads, and Edna S. Kaneshiro; The Inositol Lipids of Paramecium tetraurelia and Preliminary Characterizations of Phosphoinositide Kinase Activity in the Ciliary Membrane. J.Protozool. 36(2):185-190, 1989

Ref ID : 4303

Richard A. Albach; Nucleic Acids of Entamoeba histolytica. J.Protozool. 36(2):197-205, 1989

Ref ID : 4304

Jytte Reichstein Nilsson; On the Correlation of the Volume of a Prolate-Spheroidal Cell, Tetrahymena, as Determined by Electronic Particle Counters and by Morphometry. J.Protozool. 37(6):500-504, 1990

Ref ID : 4305

Almudena Guinea, Ana Sola, Jose Longas, and Dimas Fernandez-Galiano; Morphology and Morphogenesis of Two Species of the Genus Lembadion (Ciliophora, Oligohymenophora): Lembadion lucens and Lembadion bullinum. J.Protozool. 37(6):553-561, 1990

Ref ID : 4306

Yagita Kenji and Endo Takuro; Restriction Enzyme Analysis of Mitochondrial DNA of Acanthamoeba Strains in Japan. J.Protozool. 37(6):570-575, 1990

Ref ID : 4307

Eckhard Werries, Alfred Franz, and Sibylle Geisemeyer; Detection of Glycogen-Debranching System in Trophozoites of Entamoeba histolytica. J.Protozool. 37(6):576-580, 1990

Ref ID : 4308

T.M. Preston, L.G. Cooper, and C.A. King; Amoeboid Locomotion of Naegleria gruberi: the Effects of Cytochalasin B on Cell-Substratum Interactions and Motile Behaviour. J.Protozool. 37(4):6S-11S, 1990

Ref ID : 4309

Thelma H. Dunnebacke and Jonathan S. Dixon; NACM, A Cytopathogenic Protein from Naegleria gruberi, EGs; Purification, Production of Monoclonal Antibody, and the Immunoidentification of a Product that Develops in NACM-treated Vertebrate Cell Cultures. J.Protozool. 37(4):11S-16S, 1990

Ref ID : 4310

Thomas J. Byers, Eric R. Hugo, and Valerie J. Stewart; Genes of Acanthamoeba: DNA, RNA and Protein Sequences (A Review). J.Protozool. 37(4):17S-25S, 1990

Ref ID : 4311

Li-Pei Jin and Stephen F. NG; The Somatic Function of the Germ Nucleus in Pseudourostyla cristata: Asexual Reproduction and Stomatogenesis. J.Protozool. 36(4):315-326, 1989

Ref ID : 4312

Gerene M. Denning and Alice B. Fulton; Purification and Characterization of Clathrin-Coated Vesicles from Chlamydomonas. J.Protozool. 36(4):334-340, 1989

Ref ID : 4313

Wolfgang Lueken, Gotram Uhlig, and Thomas Kruppel; Soluble Poison of Pseudokeronopsis rubra Affects Inward Current in Euplotes vannus. J.Protozool. 36(4):350-353, 1989

Ref ID : 4314

R.H. Gavin, W.A. Duffus, and P.C. Contard; Characteristics of Basal Body Cartwheel Reassembly. J.Protozool. 36(4):391-397, 1989

Ref ID : 4315

Chong H. Kim, Eui Y. Choi, and Kwang W. Jeon; The Nuclear Envelope of Amoeba proteus during Mitosis as Studied With a Monoclonal Antibody Against a Membrane-Associated Protein. J.Protozool. 36(5):447-450, 1989

Ref ID : 4316

Sudha Bhattacharya, Alok Bhattacharya, Louis S. Diamond, and Anthony T. Soldo; Circular DNA of Entamoeba histolytica Encodes Ribosomal RNA. J.Protozool. 36(5):455-458, 1989

Ref ID : 4317

Hans Machemer; Cellular Behaviour Modulated by Ions: Electrophysiological Implications. J.Protozool. 36(5):463-487, 1989

Ref ID : 4318

Werner Schulte and Henning Scholze; Action of the Major Protease from Entamoeba histolytica on Proteins of the Extracellular Matrix. J.Protozool. 36(6):538-543, 1989

Ref ID : 4319

Charlene L. Forest and George K. Ojakian; Mating Structure Differences Demonstrated by Freeze-Fracture Analysis of Fusion-Defective Chlamydomonas Gametes. J.Protozool. 36(6):548-556, 1989

Ref ID : 4320

Mireya De La Garza, Brigido Gallegos, and Isaura Meza; Characterization of a Cytochalasin D-Resistant Mutant of Entamoeba histolytica. J.Protozool. 36(6):556-560, 1989

Ref ID : 4321

Tae I. Ahn and Kwang W. Jeon; Antigenic Reactivity of a Monoclonal Antibody against Amoeba proteus Actin. J.Protozool. 36(6):560-562, 1989

Ref ID : 4322

E. Marlo Nelsen, Joseph Frankel, and Norman E. Williams; Oral Assembly in Left-Handed Tetrahymena thermophila. J.Protozool. 36(6):582-596, 1989

Ref ID : 4323

John C. Clamp; Redescription of Lagenophrys eupagurus Kellicott (Ciliophora, Peritricha, Lagenophryidae) and a Comparison of It with Three Similar Species. J.Protozool. 36(6):596-607, 1989

Ref ID : 4324

Eckhard Werries and Ina Thurn; Breakdown of Glucopolysaccharides in Entamoeba histolytica by Phosphorylase. J.Protozool. 36(6):607-612, 1989

Ref ID : 4325

Claude Gicquaud and Nadine Tremblay; Observations with Hoechst Staining of Amitosis in Acanthamoeba castellanii. J.Protozool. 38(3):221-224, 1991

Ref ID : 4326

Peter J. Rizzo; The Enigma of the Dinoflagellate Chromosome. J.Protozool. 38(3):246-252, 1991 (In file)

Ref ID : 4327

Hans-Gunther Schrenk and Christian F. Bardele; The Fine Structure of Saprodinium dentatum Lauterborn, 1908 as a Representative of the Odontostomatida (Ciliophora). J.Protozool. 38(3):278-293, 1991

Ref ID : 4328

Antonio Torres, Michele Rossignol, and Janine Beisson; Nocodazole-Resistant Mutants in Paramecium. J.Protozool. 38(4):295-304, 1991

Ref ID : 4329

Phyllis Clarke Bradbury and John C. Clamp; The Fine Structure of the Cinctum of Ellobiophrya conviva (Ciliophora: Peritricha). J.Protozool. 38(4):312-320, 1991

Ref ID : 4330

Tachibana Hiroshi, Kobayashi Seiki, Nagakura Kouichi, Kaneda Yoshimasa, and Takeuchi Tsutomu; Reactivity of Monoclonal Antibodies to Species-Specific Antigens of Entamoeba histolytica. J.Protozool. 38(4):329-334, 1991

Ref ID : 4331

Matsuoka Tatsuomi, Imanaka Takanobu, Arita Tomikazu, and Taneda Koji; Localization of Thermoreceptor Systems that Induce Step-Up and Step-Down Thermophobic Responses and Switching in the Dominance of These Systems in Blepharisma. J.Protozool. 38(4):335-338, 1991

Ref ID : 4332

Ana Martin-Gonzalez, Laura Benitez, and Juan Carlos Gutierrez; Cortical and Nuclear Events during Cell Division and Resting Cyst Formation in Colpoda inflata. J.Protozool. 38(4):338-344, 1991

Ref ID : 4333

Takagi Ibuki, Numata Osamu, and Watanabe Yoshio; Involvement of 14-nm Filament-Forming Protein and Tubulin in Gametic Pronuclear Behavior during Conjugation in Tetrahymena. J.Protozool. 38(4):345-351, 1991

Ref ID : 4334

R.W. Bienert, Jr., J.R. Beaver, and T.L. Crisman; The Contribution of Ciliated Protozoa to Zooplankton Biomass in an Acidic, Subtropical Lake. J.Protozool. 38(4):352-354, 1991

Ref ID : 4335

John C. Clamp; Revision of the Family Lagenophryidae Butschli, 1889 and Description of the Family Usconophryidae N. Fam. (Ciliophora, Peritricha). J.Protozool. 38(4):355-377, 1991

Ref ID : 4336

John A. Kloetzel; Identification and Properties of Plateins, Major Proteins in the Cortical Alveolar Plates of Euplotes. J.Protozool. 38(4):392-401, 1991

Ref ID : 4337

Lawrence A. Klobutcher, Leah R. Turner, and M. Evangeline Peralta; Sequence of a Euplotes crassus Macronuclear DNA Molecule Encoding a Protein with Homology to a Rat Form-I Phosphoinositide-specific Phospholipase C. J.Protozool. 38(4):425-427, 1991

Ref ID : 4338

Genoveva Esteban, Carmen Tellez, and Amparo Munoz; Infraciliature, Morphologenesis and Life Cycle of Endosphaera terebrans (Suctoria, Tokophridae). J.Protozool. 38(5):483-488, 1991

Ref ID : 4339

Joan Baier Peterson; Small GTP-binding Proteins Associated with Secretory Vesicles of Paramecium. J.Protozool. 38(5):495-501, 1991

Ref ID : 4340

Joseph Frankel; The Patterning of Ciliates. J.Protozool. 38(5):519-525, 1991

Ref ID : 4341

A. Lesley Jones, Nancy L. Pruitt, David Lloyd, and John L. Harwood; Temperature-induced Changes in the Synthesis of Unsaturated Fatty Acids by Acanthamoeba castellanii. J.Protozool. 38(6):532-536, 1991

Ref ID : 4342

Richard A. Snyder and David C. Brownlee; Nolaclusilis bicornis N. G., N. Sp. (Tintinnina: Tintinnidiidae): A Tintinnine Ciliate with Novel Lorica and Cell Morphology from the Chesapeake Bay Estuary. J.Protozool. 38(6):583-589, 1991

Ref ID : 4343

Fermin Rivera, Lubor Cerva, Julio Martinez, Georg Keleti, Fernando Lares, Elizabeth Ramirez, Patricia Bonilla, Scott R. Graner, Asish K. Saha, and Robert H. Glew; Naegleria lovaniensis tarasca New Subspecies, and the Purepecha Strain, a Morphological Variant of N. l. lovaniensis, Isolated from Natural Thermal Waters in Mexico. J.Protozool. 37(4):301-310, 1990

Ref ID : 4344

Diana L. Lipscomb and Gavin P. Riordan; The Ultrastructure of Chaenea teres and an Analysis of the Phylogeny of the Haptorid Ciliates. J.Protozool. 37(4):287-300, 1990

Ref ID : 4345

Mary Ann Bliley and Craig T. Van Bell; Conjugation Involving Dividing cells of Tetrahymena thermophila. J.Protozool. 37(4):259-262, 1990

Ref ID : 4346

Matsuoka Tatsuomi, Mamiya Ryusuke, and Taneda Koji; Temperature-Sensitive Responses in Blepharisma. J.Protozool. 37(4):323-328, 1990

Ref ID : 4347

Ana.I. Sola, Almudena Guinea, Jose F. Longas, and Dimas Fernandez-Galiano; Buccal and Somatic Infraciliature of Lagynus elegans (Engelmann, 1862) Quennersted, 1867 (Ciliophora, Prostomatea): Remarks on its Systematic Position. J.Protozool. 37(4):328-333, 1990

Ref ID : 4348

Franco Verni and Giovanna Rosati; Peculiar Epibionts in Euplotidium itoi (Ciliata, Hypotrichida). J.Protozool. 37(5):337-343, 1990

Ref ID : 4349

Suhama Mikio; The Regulation of Homopolar Doublets to Singlets in Glaucoma. J.Protozool. 37(5):344-352, 1990

Ref ID : 4350

C. Graham Clark, Elaine Y. Lai, Chandler Fulton, and George A.M. Cross; Electrophoretic Karyotype and Linkage Groups of the Amoeboflagellate Naegleria gruberi. J.Protozool. 37(5):400-408, 1990

Ref ID : 4351

Kathleen M. Karrer and Susan Stein-Gavens; Constancy of Adenine Methylation in Tetrahymena Macronuclear DNA. J.Protozool. 37(5):409-414, 1990

Ref ID : 4352

Karl-Heinz Krainer and Wilhelm Foissner; Revision of the Genus Askenasia Blochmann, 1895, with Proposal of Two New Species, and Description of Rhabdoaskenasia minima N. G., N. Sp. (Ciliophora, Cyclotrichida). J.Protozool. 37(5):414-427, 1990

Ref ID : 4353

Lea K. Bleyman and Birgit H. Satir; Chromosomal Localization of an Exocytosis Mutant in Tetrahymena thermophila. J.Protozool. 37(6):471-472, 1990

Ref ID : 4354

Fernando Dini, Lea K. Bleyman, and Paola Giubbilini; Non-Mendelian Inheritance of Early Maturity in Euplotes crassus. J.Protozool. 37(6):475-478, 1990

Ref ID : 4355

Kobayashi Sumiko and Koizumi Sadaaki; Characterization of Mendelian and Non-Mendelian Mutant Strains by Micronuclear Transplantation in Paramecium tetraurelia. J.Protozool. 37(6):489-492, 1990

Ref ID : 4356

Wolfgang Petz and Wilhelm Foissner; Morphology and Morphogenesis of Strobilidium caudatum (Fromentel), Meseres corlissi N. Sp., Halteria grandinella (Muller), and Strombidium rehwaldi N. Sp., and a Proposed Phylogenetic System for Oligotrich Ciliates (Protozoa, Ciliophora). J.Protozool. 39(1):159-176, 1992

Ref ID : 4357

Anthony T. Soldo, S.A. Brickson, and D. Vazquez; The Molecular Biology of a Bacterial Endosymbiont. J.Protozool. 39(1):196-198, 1992

Ref ID : 4358

Kwang W. Jeon; Macromolecules Involved in the Amoeba-Bacteria Symbiosis. J.Protozool. 39(1):199-204, 1992

Ref ID : 4359

Eui Y. Choi and Kwang W. Jeon; Bacterial-Endosymbiote-Derived Lipopolysaccharides on Amoeba Symbiosome Membranes. J.Protozool. 39(1):205-210, 1992

Ref ID : 4360

Krista Fischer-Stenger, Guy A. Cabral, and Francine Marciano-Cabral; Separation of Soluble Amoebicidal and Tumoricidal Activity of Activated Macrophages. J.Protozool. 39(1):235-241, 1992

Ref ID : 4361

Gwilym J. Attwell, Connie S. Bricker, Anita Schwandt, Martin A. Gorovsky, and David G. Pennock; A Temperature-Sensitive Mutation Affecting Synthesis of Outer Arm Dyneins in Tetrahymena thermophila. J.Protozool. 39(2):261-266, 1992

Ref ID : 4362

Anthony R. Kaney and Virginia J. Speare; A Genetic Screen for Vegetative Gene Expression in the Micronucleus of Tetrahymena thermophila. J.Protozool. 39(2):323-328, 1992

Ref ID : 4363

Glenn Herrick; Non-Coding DNA in Macronuclear Chromosomes of Hypotrichous Ciliates. J.Protozool. 39(2):309-312, 1992

Ref ID : 4364

Francois Caron and Francoise Ruiz; A Method for the Amplification of Paramecium Micronuclear DNA by Polymerase Chain Reaction and Its Application to the Central Repeats of Paramecium primaurelia G Surface Antigen Genes. J.Protozool. 39(2):312-318, 1992

Ref ID : 4365

Jonathan I. Ravdin and Cheryl F. Murphy; Characterization of the Galactose-Specific Binding Activity of a Purifed Soluble Entamoeba histolytica Adherence Lectin. J.Protozool. 39(2):319-323, 1992

Ref ID : 4366

Christian F. Bardele, Wilhelm Foissner, and Richard L. Blanton; Morphology, Morphogenesis and Systematic Position of the Sorocarp Forming Ciliate Sorogena stoianovitchae Bradbury & Olive, 1980. J.Protozool. 38(1):7-17, 1991

Ref ID : 4367

Tom Fenchel and Bland J. Finlay; Endosymbiotic Methanogenic Bacteria in Anaerobic Ciliates: Significance for the Growth Efficiency of the Host. J.Protozool. 38(1):18-22, 1991

Ref ID : 4368

Tom Fenchel and Bland J. Finlay; Synchronous Division of an Endosymbiotic Methanogenic Bacterium in the Anaerobic Ciliate Plagiopyla frontata Kahl. J.Protozool. 38(1):22-28, 1991

Ref ID : 4369

L. Szablewski, P.H. Andreasen, A. Tiedtke, J. Florin-Christensen, M. Florin-Christensen, and Leif Rasmussen; Tetrahymena thermophila: Growth in Synthetic Nutrient Medium in the Presence and Absence of Glucose. J.Protozool. 38(1):62-65, 1991

Ref ID : 4370

James M. Graham; Symposium Introductory Remarks: A Brief History of Aquatic Microbial Ecology. J.Protozool. 38(1):66-69, 1991

Ref ID : 4371

Robert W. Sanders; Mixotrophic Protists in Marine and Freshwater Ecosystems. J.Protozool. 38(1):76-81, 1991

Ref ID : 4372

Dian J. Gifford; The Protozoan-Metazoan Trophic Link in Pelagic Ecosystems. J.Protozool. 38(1):81-86, 1991

Ref ID : 4373

Michael L. Pace; Comparative and Experimental Approaches to the Study of Microbial Food Webs. J.Protozool. 38(1):87-92, 1991

Ref ID : 4374

Eui Y. Choi and Kwang W. Jeon; A Nuclear-Envelope-Specific Protein in Amoeba proteus Detected with a Monoclonal Antibody. J.Protozool. 38(1):92-97, 1991

Ref ID : 4375

Yano Junji and Suhama Mikio; Pattern Formation in Mirror-Image Doublets of the Ciliate Stylonychia pustulata. J.Protozool. 38(2):111-121, 1991

Ref ID : 4376

Howard E. Buhse, Jr., Sandra Nabazas, Catherine Buhrfeind, and Phillip E. Ryals; The Effects of the Lipogenic Inhibitor Cerulenin, on Macrostomal Cell Formation in Tetrahymena vorax. J.Protozool. 38(2):124-129, 1991

Ref ID : 4377

Annette W. Coleman, William F. Thompson, and Lynda J. Goff; Identification of the Mitochondrial Genome in the Chrysophyte Alga Ochromonas danica. J.Protozool. 38(2):129-135, 1991

Ref ID : 4378

Stephen C. Landers; The Fine Structure of Secretion in Hyalophysa chattoni: Formation of the Attachment Peduncle and the Chitinous Phoretic Cyst Wall. J.Protozool. 38(2):148-157, 1991

Ref ID : 4379

Shi Fa Zou and Stephen F. NG; Physiological Reorganization and Post-Traumatic Regeneration in Stylonychia mytilus: Refections on Developmental Constraints and the Evolutionary Origin of Alternative Modes of Asexual Morphogenesis. J.Protozool. 38(3):182-192, 1991

Ref ID : 4380

Shi Fa Zou and Stephen F. NG; Commitment to the First Cortical Reorganization during Conjugation in Stylonychia mytilus: An Argument for Homology with Cortical Development During Binary Fission. J.Protozool. 38(3):192-200, 1991

Ref ID : 4381

Shi Fa Zou and Stephen F. NG; Anomalous Cases of Conjugation and Spontaneous Autogamy in Stylonychia mytilus: A Note on the Asexuality of Early Conjugants. J.Protozool. 38(3):201-210, 1991

Ref ID : 4382

Matsuoka Tatsuomi, Takahashi Makoto, Wada Keisuke, and Taneda Koji; Chemosensory Response in Blepharisma. I. Accumulation of Cells in Products of Bacterial Metabolism. J.Protozool. 39(2):329-333, 1992

Ref ID : 4383

William L. Dentler; Identification of Tetrahymena Ciliary Surface Proteins Labeled with Sulfosuccinimidyl 6-(Biotinamido) Hexanoate and Concanavalin A and Fractionated with Triton X-114. J.Protozool. 39(3):368-378, 1992

Ref ID : 4384

Ravenna Ukeles, Gary H. Wikfors, and Gail E. Ferris; Factors Affecting the Salinity Tolerance of the Freshwater Cryptomonad Chilomonas paramecium. J.Protozool. 39(3):399-405, 1992

Ref ID : 4385

Deborah L. Smith, Michele S. Berkowitz, Douglas Potoczak, Marjorie Krause, Carol Raab, Frank Quinn, and F. Paul Doerder; Characterization of the T, L, I, S, M and P Cell Surface (Immobilization) Antigens of Tetrahymena thermophila: Molecular Weights, Isoforms, and Cross-Reactivity of Antisera. J.Protozool. 39(3):420-428, 1992

Ref ID : 4386

Dimas Fernandez-Galiano and Pilar Calvo; Redescription of Phacodinium metchnikoffi (Ciliophora, Hypotrichida): General Morphology and Taxonomic Position. J.Protozool. 39(4):443-448, 1992

Ref ID : 4387

Arie Ron, Norman E. Williams, and F. Paul Doerder; The Immobilization Antigens of Tetrahymena thermophila Are Glycoproteins. J.Protozool. 39(4):508-510, 1992

Ref ID : 4388

Nicola Ricci, Fabrizio Erra, Antonio Russo, and Rosalba Banchetti; The Interface between Air and Water: A Perturbation Source Eliciting Adaptive Behaviour in Ciliates. J.Protozool. 39(4):521-525, 1992

Ref ID : 4389

Rosa M. Rios, Jesus Martin, Antonio Torres, and Concepcion Fedriani; Production and Characterization of Three Polyclonal Antibodies Raised Against Cyst Wall Proteins of a Hypotrichous Ciliate. J.Protozool. 39(5):584-588, 1992

Ref ID : 4390

Ester Piccinni, Paola Irato, Letizia Cavallini, and Dieter Ammermann; Effects of Cadmium in Stylonychia lemnae, Stylonychia notophora and Oxytricha granulifera: Isolation of a Cadmium-Binding Protein. J.Protozool. 39(5):589-593, 1992

Ref ID : 4391

Dimas Fernandez-Galiano and Pilar Calvo; A Comparative Analysis of the Morphology of Holosticha corlissi N. Sp. (Ciliophora, Hypotrichida) and Related Species. J.Protozool. 39(5):600-604, 1992

Ref ID : 4392

Deborah L. Smith and F. Paul Doerder; Exceptions to Mutual Exclusion among Cell Surface i-Antigens of Tetrahymena thermophila during Salt Stress and Stationary Phase. J.Protozool. 39(5):628-635, 1992

Ref ID : 4393

J. William Straus, Grace Migaki, and Maria T. Finch; An Assessment of Proteolytic Enzymes in Tetrahymena thermophila. J.Protozool. 39(6):655-662, 1992

Ref ID : 4394

Fujishima Masahiro, Katsu Yoshinao, Ogawa Eishi, Sakimura Masanori, Yamashita Masakane, and Nagahama Yoshitaka; Meiosis-Reinitiation-Inducing Factor of Tetrahymena Functions Upstream of M-Phase-Promoting Factor. J.Protozool. 39(6):683-690, 1992

Ref ID : 4395

Young-Gyu Ko and Jr. Guy A. Thompson; Immobilization Antigens from Tetrahymena thermophila Are Glycosyl-Phosphatidylinositol-Linked Proteins. J.Protozool. 39(6):719-723, 1992

Ref ID : 4396

John C. Clamp; Three New Species of Lagenophryid Peritrichs (Ciliophora) Ectocommensal on Freshwater Decapod Crustaceans from Madagascar. J.Protozool. 39(6):732-740, 1992

Ref ID : 4397

Jacques Berger and Denis H. Lynn; Hydrogenosome-Methanogen Assemblages in the Echinoid Endocommensal Plagiopylid Ciliates, Lechriopyla mystax Lynch, 1930 and Plagiopyla minuta Powers, 1933. J.Protozool. 39(1):4-8, 1992

Ref ID : 4398

Jytte reichstein Nilsson; Does Chloroquine, an Antimalarial Drug, Affect Autophagy in Tetrahymena pyriformis? J.Protozool. 39(1):9-16, 1992

Ref ID : 4399

Detlef.D. Leipe and Klaus Hausmann; The Nuclear Apparatus of the Ditransversal Ciliate Homalozoon vermiculare (Ciliophora, Rhabdophora) during Interphase and Division. I. The Macronucleus. J.Protozool. 39(1):27-39, 1992