Published in Proc Natl Acad Sci U S A on March 01, 1976
Biology and physiology of the lower Trypanosomatidae. Microbiol Rev (1980) 1.31
Predicting the proteins of Angomonas deanei, Strigomonas culicis and their respective endosymbionts reveals new aspects of the trypanosomatidae family. PLoS One (2013) 0.95
Interactions between parasites and microbial communities in the human gut. Front Cell Infect Microbiol (2012) 0.95
Predator/prey interaction between Pfiesteria piscicida and Rhodomonas mediated by a marine alpha proteobacterium. Microb Ecol (2004) 0.81
Unlocked concanavalin A forms amyloid-like fibrils from coagulation of long-lived "crinkled" intermediates. PLoS One (2013) 0.78
Colonization of Aedes aegypti midgut by the endosymbiont-bearing trypanosomatid Blastocrithidia culicis. Parasitol Res (2006) 0.75
Nutrition of animal cells in tissue culture; initial studies on a synthetic medium. Proc Soc Exp Biol Med (1950) 15.10
A difference in the architecture of the surface membrane of normal and virally transformed cells. Proc Natl Acad Sci U S A (1969) 6.03
The interactions of lectins with animal cell surfaces. Int Rev Cytol (1974) 5.02
Growth and physiology of rickettsiae. Bacteriol Rev (1973) 4.04
Ultrastructural visualization of cellular carbohydrate components by means of concanavalin A. Exp Cell Res (1971) 2.92
Kappa and other endosymbionts in Paramecium aurelia. Bacteriol Rev (1974) 1.93
Regulation of membrane changes, differentiation, and malignancy in carcinogenesis. Harvey Lect (1974) 1.39
Heme biosynthesis in bacterium-protozoon symbioses: enzymic defects in host hemoflagellates and complemental role of their intracellular symbiotes. Proc Natl Acad Sci U S A (1975) 1.22
Neuraminidase "unmasking" and failure of trypsin to "unmask" -D-galactose-like sites on erythrocyte, lymphoma, and normal and virus-transformed fibroblast cell membranes. J Natl Cancer Inst (1973) 1.17
Qualitative and quantitative interactions of lectins with untreated and neuraminidase-treated normal, wild-type, and temperature-sensitive polyoma-transformed fibroblasts. Biochemistry (1975) 1.12
Nutritional significance of symbiotic bacteria in two species of hemoflagellates. Science (1974) 1.10
Tumor cell surfaces: general alterations detected by agglutinins. Adv Cancer Res (1974) 1.07
Letter: Concanavalin A-iron dextran technique for staining cell surface mucosubstances. J Histochem Cytochem (1974) 1.07
Simple nutrition of Crithidia deanei, a reduviid trypanosomatid with an endosymbiont. J Protozool (1974) 1.02
Lectin binding saccharides on a parasitic protozoan. Science (1974) 1.01
Ultrastructure of symbiotic bacteria in normal and antibiotic-treated Blastocrithidia culicis and Crithidia oncopelti. J Protozool (1974) 0.99
Intracellular structures in Strigomonas oncopelti. I. Cytoplasmic structures containing ribonucleoprotein. Exp Cell Res (1957) 0.98
Increased transport of 2-aminoisobutyric acid in rat lymphocytes stimulated with concanavalin A. Exp Cell Res (1973) 0.97
Agglutination of Trypanosoma cruzi by concanavalin A. J Protozool (1974) 0.97
Crown gall tumors: are bacterial nucleic acids involved? Bacteriol Rev (1975) 0.96
Reduced growth of Blastocrithidia culicis and Crithidia oncopelti freed of intracellular symbiotes by chloramphenicol. J Protozool (1975) 0.95
Glutaraldehyde fixation and the mechanism of erythroycte agglutination by concanavalin A and soybean agglutinin. Exp Cell Res (1975) 0.91
Differences in density of Concanavalin A-binding sites due to differences in surface morphology of suspended normal and transformed 3T3 fibroblasts. J Cell Sci (1975) 0.87
Isolation of intracellular symbiotes by immune lysis of flagellate protozoa and characterization of their DNA. J Cell Biol (1975) 0.87
Cell contact-dependent increase in membrane D-galactopyranosyl-like residues on normal, but not virus- or spontaneously-transformed, murine fibroblasts. Proc Natl Acad Sci U S A (1973) 0.84
Haematophagous insect and haemoflagellate as hosts for prokaryotic endosymbionts. Symp Soc Exp Biol (1975) 0.83
Purification and properties of nucleic acids from an unusual cytoplasmic organelle in the flagellate protozoan Crithidia oncopelti. Biochim Biophys Acta (1975) 0.82
Structure and function of parasite surface membranes. II. Concanavalin A adsorption by the cestode Hymenolepis diminuta and its effect on transport. Comp Biochem Physiol B (1975) 0.80
Cell rigidity: Effect on concanavalin A-mediated agglutinability of fibroblasts after fixation. Science (1975) 0.77
A quantitative assay for concanavalin A- and Ricinus communis agglutinin-mediated agglutinations of rat ascites hepatoma cells. Relationship between concanavalin A binding and cell agglutination. Biochim Biophys Acta (1975) 0.77
On a eukaryotic cell-transformation by a bacterium. Subcell Biochem (1974) 0.77
Multiplication of a human parasite (Leishmania donovani) in phagolysosomes of hamster macrophages in vitro. Science (1976) 3.55
Serotype distribution of invasive group B streptococcal isolates in Maryland: implications for vaccine formulation. Maryland Emerging Infections Program. J Infect Dis (1998) 3.18
Human cutaneous lieshmania in a mouse macrophage line: propagation and isolation of intracellular parasites. Science (1980) 2.73
A framework for capturing clinical data sets from computerized sources. Ann Intern Med (1997) 2.44
Diagnostic and prognostic value of K39 recombinant antigen in Indian leishmaniasis. J Parasitol (1995) 2.37
Multiplication of Leishmania in human macrophages in vitro. Infect Immun (1979) 2.30
Leishmania donovani. Hamster macrophage interactions in vitro: cell entry, intracellular survival, and multiplication of amastigotes. J Exp Med (1978) 2.12
Leishmania donovani: promastigote--macrophage surface interactions in vitro. Exp Parasitol (1979) 1.79
Surface acid proteinase (gp63) of Leishmania mexicana. A metalloenzyme capable of protecting liposome-encapsulated proteins from phagolysosomal degradation by macrophages. J Biol Chem (1989) 1.78
Role of the Leishmania surface protease gp63 in complement fixation, cell adhesion, and resistance to complement-mediated lysis. J Immunol (1995) 1.77
Relapsing invasive group B streptococcal infection in adults. Ann Intern Med (1995) 1.74
CALCIUM AND PHOSPHORUS METABOLISM IN OSTEOMALACIA. V. THE EFFECT OF VARYING LEVELS AND RATIOS OF CALCIUM TO PHOSPHORUS INTAKE ON THEIR SERUM LEVELS, PATHS OF EXCRETION AND BALANCES, IN THE PRESENCE OF CONTINUOUS VITAMIN D THERAPY. J Clin Invest (1937) 1.73
Monoclonal antibody affinity purification of a Leishmania membrane glycoprotein and its inhibition of leishmania-macrophage binding. Proc Natl Acad Sci U S A (1986) 1.65
Cellular and molecular mechanisms of intracellular symbiosis in leishmaniasis. Int Rev Cytol Suppl (1983) 1.61
Parkville virus: a novel genetic variant of human calicivirus in the Sapporo virus clade, associated with an outbreak of gastroenteritis in adults. J Med Virol (1997) 1.58
A geographic information systems application for disease surveillance. Am J Public Health (1998) 1.55
Tubulin biosynthesis in the developmental cycle of a parasitic protozoan, Leishmania mexicana: changes during differentiation of motile and nonmotile stages. Proc Natl Acad Sci U S A (1981) 1.54
Antibody-induced modulation of Leishmania donovani surface membrane antigens. J Immunol (1976) 1.50
Measles spread in medical settings: an important focus of disease transmission? Pediatrics (1987) 1.48
Immunization coverage and its relationship to preventive health care visits among inner-city children in Baltimore. Pediatrics (1994) 1.43
Leishmania donovani: long-term culture of axenic amastigotes at 37 degrees C. Exp Parasitol (1991) 1.42
Phagocytosis of Campylobacter jejuni and its intracellular survival in mononuclear phagocytes. Infect Immun (1985) 1.41
Leishmania donovani-macrophage binding mediated by surface glycoproteins/antigens: characterization in vitro by a radioisotopic assay. Mol Biochem Parasitol (1981) 1.41
Leishmania donovani: surface membrane carbohydrates of promastigotes. Exp Parasitol (1977) 1.39
Preventive care card for general practice. J R Coll Gen Pract (1989) 1.38
Effects of elevated temperature on the mycetome and symbiotes of the bed bug Cimex lectularius (Heteroptera). J Invertebr Pathol (1974) 1.33
Isolation and partial characterization of surface membranes from Leishmania donovani promastigotes. J Protozool (1980) 1.31
Invasive group B streptococcal disease in Maryland nursing home residents. J Infect Dis (2001) 1.31
Emergence of serotype V group B streptococcal infection among infants and adults. J Infect Dis (1995) 1.31
Transmission of Mycobacterium tuberculosis by a fiberoptic bronchoscope. Identification by DNA fingerprinting. JAMA (1997) 1.30
Leishmania donovani: surface membrane acid phosphatase activity of promastigotes. Exp Parasitol (1981) 1.29
Immunologic and fine structure evidence of avidly bound host serum proteins in the surface coat of a bloodstream trypanosome. Proc Natl Acad Sci U S A (1976) 1.27
Phosphorylation and anti-leishmanial activity of formycin B. Biochem Biophys Res Commun (1981) 1.27
Serodiagnosis of Asian leishmaniasis with a recombinant antigen from the repetitive domain of a Leishmania kinesin. Trans R Soc Trop Med Hyg (1995) 1.27
Risk of meningococcal infection in college students. JAMA (1999) 1.26
Predominant cultivable micro-organisms inhabiting periodontal pockets. Br Dent J (1968) 1.26
In vivo and in vitro localization of Leishmania within macrophage phagolysosomes: use of colloidal gold as a lysosomal label. J Protozool (1981) 1.24
Leishmania infection of human skin fibroblasts in vitro: absence of phagolysosomal fusion after induced phagocytosis of promastigotes, and their intracellular transformation. Am J Trop Med Hyg (1978) 1.23
Protonmotive force-driven active transport of D-glucose and L-proline in the protozoan parasite Leishmania donovani. Proc Natl Acad Sci U S A (1985) 1.23
Heme biosynthesis in bacterium-protozoon symbioses: enzymic defects in host hemoflagellates and complemental role of their intracellular symbiotes. Proc Natl Acad Sci U S A (1975) 1.22
Morphology, histochemistry, and ultrastructure of mycetome and its rickettsial symbiotes in Cimex lectularius L. Can J Microbiol (1973) 1.21
Isolation and characterization of the gene encoding the surface membrane 3'-nucleotidase/nuclease of Leishmania donovani. Mol Biochem Parasitol (1995) 1.21
Cloning and characterization of differentially expressed genes from in vitro-grown 'amastigotes' of Leishmania donovani. Mol Biochem Parasitol (1993) 1.20
Characterization of a blood activated chitinolytic system in the midgut of the sand fly vectors Lutzomyia longipalpis and Phlebotomus papatasi. Insect Mol Biol (2005) 1.20
Leishmanicidal mechanisms of human polymorphonuclear phagocytes. Am J Trop Med Hyg (1981) 1.20
The surface membrane chemistry of Leishmania: its possible role in parasite sequestration and survival. J Cell Biochem (1983) 1.19
Expression of Leishmania antigen on the surface membrane of infected human macrophages in vitro. Clin Exp Immunol (1981) 1.19
Surface antigenic change during differentiation of a parasitic protozoan, Leishmania mexicana: Identification by monoclonal antibodies. Proc Natl Acad Sci U S A (1982) 1.17
Interaction of Leishmania gp63 with cellular receptors for fibronectin. Infect Immun (1999) 1.17
Whirlpool-associated Pseudomonas aeruginosa urinary tract infections. JAMA (1983) 1.16
Lipid analyses of isolated surface membranes of Leishmania donovani promastigotes. Lipids (1985) 1.16
A glycosylphosphatidylinositol (GPI)-negative phenotype produced in Leishmania major by GPI phospholipase C from Trypanosoma brucei: topography of two GPI pathways. J Cell Biol (1994) 1.15
Separation of Chinese Leishmania isolates into five genotypes by kinetoplast and chromosomal DNA heterogeneity. Am J Trop Med Hyg (1994) 1.15
Dissection of the functional domains of the Leishmania surface membrane 3'-nucleotidase/nuclease, a unique member of the class I nuclease family. J Biol Chem (2000) 1.13
Mortality among diabetic patients using continuous subcutaneous insulin-infusion pumps. N Engl J Med (1984) 1.12
Heme lysis of the bloodstream forms of Trypanosoma brucei. Biochem Pharmacol (1977) 1.11
Post-transcriptional control of tubulin biosynthesis during leishmanial differentiation. Nature (1982) 1.11
Nutritional significance of symbiotic bacteria in two species of hemoflagellates. Science (1974) 1.10
Diagnosis of kala-azar by nested PCR based on amplification of the Leishmania mini-exon gene. J Clin Microbiol (1998) 1.10
DNA amplification in arsenite-resistant Leishmania. Exp Cell Res (1989) 1.09
Binding and release of C3 from Leishmania donovani promastigotes during incubation in normal human serum. J Immunol (1989) 1.08
Extrachromosomal genetic complementation of surface metalloproteinase (gp63)-deficient Leishmania increases their binding to macrophages. Proc Natl Acad Sci U S A (1992) 1.07
DNA amplification in tunicamycin-resistant Leishmania mexicana. Multicopies of a single 63-kilobase supercoiled molecule and their expression. J Biol Chem (1988) 1.07
Heme requirement and acquisition by extracellular and intracellular stages of Leishmania mexicana amazonensis. Mol Biochem Parasitol (1985) 1.06
Cell biology of host-parasite membrane interactions in leishmaniasis. Ciba Found Symp (1983) 1.06
Acid protease activity of a major surface membrane glycoprotein (gp63) from Leishmania mexicana promastigotes. Mol Biochem Parasitol (1988) 1.06
Genetic rescue of surface metalloproteinase (gp63)-deficiency in Leishmania amazonensis variants increases their infection of macrophages at the early phase. Mol Biochem Parasitol (1994) 1.05
Recognition of Leishmania donovani antigens by murine T lymphocyte lines and clones. Species cross-reactivity, functional correlates of cell-mediated immunity, and antigen characterization. J Immunol (1983) 1.04
Handwashing and glove use in a long-term-care facility. Infect Control Hosp Epidemiol (1997) 1.04
Evidence for a polysaccharide surface coat in the developmental stages of Leishmania donovani: a fine structure-cytochemical study. Z Parasitenkd (1974) 1.04
Golgi-mediated post-translational processing of secretory acid phosphatase by Leishmania donovani promastigotes. Mol Biochem Parasitol (1990) 1.04
Identification by extrachromosomal amplification and overexpression of a zeta-crystallin/NADPH-oxidoreductase homologue constitutively expressed in Leishmania spp. Mol Biochem Parasitol (1994) 1.03
Episomal expression of specific sense and antisense mRNAs in Leishmania amazonensis: modulation of gp63 level in promastigotes and their infection of macrophages in vitro. Infect Immun (2000) 1.03
Intracellular Ca2+ pool content and signaling and expression of a calcium pump are linked to virulence in Leishmania mexicana amazonesis amastigotes. J Biol Chem (1997) 1.03
Cell surface saccharides of Trypanosoma lewisi. I. Polycation-induced cell agglutination and fine-structure cytochemistry. J Cell Sci (1975) 1.02
Cloning of Leishmania donovani genes encoding antigens recognized during human visceral leishmaniasis. Mol Biochem Parasitol (1986) 1.02
Analysis of the antigenic relationships among Trichomonas, Histomonas, Dientamoeba, and Entamoeba. I. Quantitative fluorescent antibody methods. J Protozool (1972) 1.02
Secretory and endocytic pathways converge in a dynamic endosomal system in a primitive protozoan. Traffic (2001) 1.01
Lectin binding saccharides on a parasitic protozoan. Science (1974) 1.01
Effects of methylglyoxal bis(ganylhydrazone) on trypanosomatid flagellates: inhibition of growth and nucleoside incorporation in Trypanosoma brucei. J Protozool (1978) 1.01
Identification of cross-reactive promastigote cell surface antigens of some leishmanial stocks by 125I labeling and immunoprecipitation. Infect Immun (1984) 1.00
Ultrastructure of symbiotic bacteria in normal and antibiotic-treated Blastocrithidia culicis and Crithidia oncopelti. J Protozool (1974) 0.99
H DNA amplification in Leishmania resistant to both arsenite and methotrexate. Mol Biochem Parasitol (1989) 0.99
Glucose transport in Leishmania donovani promastigotes. Mol Biochem Parasitol (1984) 0.99
Leishmania donovani: use of two different, commercially available, chemically defined media for the continuous in vitro cultivation of promastigotes. Exp Parasitol (1991) 0.99
Differential expression of mRNAs for alpha- and beta-tubulin during differentiation of the parasitic protozoan Leishmania mexicana. Proc Natl Acad Sci U S A (1984) 0.98
The 63-kilobase circular amplicon of tunicamycin-resistant Leishmania amazonensis contains a functional N-acetylglucosamine-1-phosphate transferase gene that can be used as a dominant selectable marker in transfection. Mol Cell Biol (1992) 0.98
Radioiodination and identification of externally disposed membrane components of Leishmania tropica. Mol Biochem Parasitol (1983) 0.97
Surface membrane localization of 3'- and 5'-nucleotidase activities in Leishmania donovani promastigotes. Mol Biochem Parasitol (1984) 0.97
Biosynthesis and secretion of acid phosphatase by Leishmania donovani promastigotes. Mol Biochem Parasitol (1987) 0.96
Identification of a surface membrane proton-translocating ATPase in promastigotes of the parasitic protozoan Leishmania donovani. Biochem J (1988) 0.96
Reduced growth of Blastocrithidia culicis and Crithidia oncopelti freed of intracellular symbiotes by chloramphenicol. J Protozool (1975) 0.95
Tunicamycin-resistant Leishmania mexicana amazonensis: expression of virulence associated with an increased activity of N-acetylglucosaminyltransferase and amplification of its presumptive gene. Proc Natl Acad Sci U S A (1987) 0.95
Protozoan parasite of humans: surface membrane with externally disposed acid phosphatase. Science (1981) 0.94
Antibody-mediated inhibition of phagocytosis in Leishmania donovani-human phagocyte interactions in vitro. Am J Trop Med Hyg (1981) 0.93
Transkinetoplastidy--a novel phenomenon involving bulk alterations of mitochondrion-kinetoplast DNA of a trypanosomatid protozoan. J Protozool (1992) 0.92
The Ld Cht1 gene encodes the secretory chitinase of the human pathogen Leishmania donovani. Gene (1998) 0.92