| [influence of natural selection and of anti-amebic drugs on the virulence of endamoeba histolytica]. | | 1959 | 14426336 |
| studies on the monoxenic cultivation of entamoeba histolytica with hemoflagellates. | | 1960 | 14430067 |
| some quantitative data on the growth of entamoeba histolytica from single-cell isolations in microcultures. | | 1960 | 14436888 |
| cultivation of entamoeba histolytica with penicillin-inhibited bacteroides symbiosus cells. iii. the effects of streptomycin. | | 1960 | 14436935 |
| the cultivation of entamoeba histolytica with penicillin-inhibited cells of bacteroides symbiosus. iv. an amino acid base medium. | | 1960 | 14436936 |
| gamma ray effects on trophozoites of entamoeba histolytica. | | 1960 | 14443216 |
| radiosensitivity of entamoeba histolytica cysts. | | 1960 | 14443217 |
| the ingestion of bacteria and of altered bacterial structures by entamoeba histolytica in shaffer-frye and in modified shaffer-frye media. | | 1960 | 14445372 |
| intestinal amoebiasis associated with amoebic liver abscess produced by intracaecal inoculation of entamoeba histolytica in hamsters. | | 1961 | 14451348 |
| intestinal amoebiasis associated with amoebic liver abscess produced by intracaecal inoculation of entamoeba histolytica in hamsters. | | 1961 | 14451349 |
| the induction of amoebic liver abscesses in hamsters by the intraperitoneal inoculation of trophozoites of entamoeba histolytica. | | 1962 | 14451350 |
| the patterns of some proteolytic enzymes of entamoeba histolytica and acanthamoeba sp. i. the action of e. histolytica and acanthamoeba sp. on protein substrates. | | 1961 | 14451351 |
| the patterns of some proteolytic enzymes of entamoeba histolytica and acanthamoeba sp. ii. the action e. histolytica and acanthamoeba sp. on various synthetic substrates. | | 1961 | 14451352 |
| amoebicidal activity of dichloro-n-2-hydroxy-ethyl-n-p-methylsulphonylbenzylacetamide and some related compounds. | compounds structurally related to known amoebicidal dichloroacetamides were examined for activity against entamoeba histolytica by an in vivo/in vitro method and an experimental caecal infection in weanling rats. dichloro-n-2-hydroxyethyl-n-p-methylsulphonylbenzylacetamide (m&b 4321) was the first compound of this series to show high amoebicidal activity against experimental e. histolytica infections in young rats. some subsequent compounds, particularly several closely related to m&b 4321, had ... | 1962 | 14455778 |
| [new data concerning the spontaneous encystment of entamoeba histolytica in culture]. | | 1961 | 14461865 |
| venereal infection by entamoeba histolytica in a new guinea native couple. | | 1962 | 14477737 |
| effect of antimetabolites on the growth of entamoeba histolytica. iv. folic acid analogues. | | 1961 | 14478148 |
| [natural selection and anti-amebic drugs in the evolution of human parasitic infestation by entamoeba histolytica]. | | 1961 | 14478772 |
| experiments on the morphology and biology of entamoeba histolytica and on the microisolation of cysts. | | 1961 | 14490985 |
| the effect of surface-active agents upon the multiplication of entamoeba histolytica in culture. | | 1962 | 14491026 |
| [on a contrast-rich staining of entamoeba histolytica in tissue]. | | 1961 | 14496348 |
| entamoeba histolytica in urine. | | 1962 | 14497718 |
| entamoeba histolytica: an update. | over the past decade, since it was formally recognized that entamoeba histolytica and entamoeba dispar were two distinct species, studies in this field have made dramatic in-roads into the understanding of e. histolytica and the pathogenesis of invasive amoebiasis. over the same period it has also become clear that the true incidence of e. histolytica infection, particularly in vulnerable populations such as low socioeconomic children, is exceedingly high. understanding the epidemiology, pathoph ... | 2003 | 14502002 |
| [nine-year progression of amoebal rectitis]. | | 2003 | 14506451 |
| regulatory effects of il-12 and il-18 on onchocerca volvulus- and entamoeba histolytica-specific cellular reactivity and cytokine profiles. | in the present study, the cytokines interleukin (il)-12 and il-18 were evaluated for their capacity to modulate and to re-direct in vitro parasite antigen-specific cellular responsiveness in patients exposed to onchocerca volvulus and entamoeba histolytica infection. we found that il-18 was highly capable of reducing parasite antigen-induced il-10 production by pbmc. in contrast, addition or neutralization of il-12, also in combination with il-18 and the interferon-gamma-inducible chemokine ip-1 ... | 2003 | 14507330 |
| oral cavity as a potential source of infections in recipients with diabetes mellitus. | our previous observations showed alterations of oral cavity status among hemodialyzed patients and kidney allograft recipients as well as differences in the prevalence and composition of microorganisms occurring in the mouths of patients. in the present work, we analysed the results of oral cavity examinations, the identification of microorganisms, and the assessment of their importance to kidney allograft recipients or hemodialyzed patients with diabetes mellitus, in comparison with nondiabetic ... | 2003 | 14529890 |
| etiology of acute diarrhea in adults in southwestern nigeria. | stool specimens from 113 adult outpatients with diarrhea in southwestern nigeria and 63 controls were examined for bacterial and parasitic enteric pathogens. enterohemorrhagic escherichia coli (ehec) (p < 0.02), enteroaggregative e. coli (eaec) (p < 0.02), and entamoeba histolytica (p < 0.0002) were significantly associated with diarrhea. salmonella, shigella, nontoxigenic vibrio cholerae, other categories of diarrheagenic e. coli, as well as a variety of helminths were recovered more frequently ... | 2003 | 14532177 |
| longitudinal study of intestinal entamoeba histolytica infections in asymptomatic adult carriers. | to gain insight into the dynamics of intestinal entamoeba histolytica infection, a longitudinal study was performed over an observation period of 15 months with a group of 383 randomly selected adult individuals (mean age, 38.5 years) living in an area of amebiasis endemicity in central vietnam. ameba infection was diagnosed by using species-specific pcr and dna extracted directly from fecal samples. the results indicated an e. histolytica prevalence of 11.2% and an annual new infection rate of ... | 2003 | 14532214 |
| effective human defense against e. histolytica: high amoebicidal activity of lymphocytes and monocytes in amoebic liver abscess patients until 3 months follow-up. | adherence of pathogenic entamoeba histolytica trophozoites mediated by gal/galnac lectin is a prerequisite for killing naïve t cells and monocytes but the activated t cells and monocyte derived macrophages (mdms) not only resist the attack but can kill the parasite. in the present study, we have analysed the adherence and cytotoxicity of the immunecompetent cells from patients of amoebic liver abscess at the time of their diagnosis and after 3 months to elucidate the development of cell mediated ... | 2003 | 14550474 |
| nitric oxide synthase in entamoeba histolytica: its effect on rat aortic rings. | nadph-diaphorase activity has been considered as a nitric oxide synthase (nos) marker. therefore, the presence of nadph-d activity in entamoeba histolytica suggests that they have nos activity. the aim of this work was to provide support for this contention. the amebic culture medium or amebic purified proteins induced relaxation of endothelium-denuded rat aortic rings pre-contracted with phenylephrine (10(-6) m), which was inhibited when the amebas were incubated with ng-monomethyl-l-arginine o ... | 2003 | 14552855 |
| laboratory diagnosis of amebiasis. | the detection of entamoeba histolytica, the causative agent of amebiasis, is an important goal of the clinical microbiology laboratory. to assess the scope of e. histolytica infection, it is necessary to utilize accurate diagnostic tools. as more is discovered about the molecular and cell biology of e. histolytica, there is great potential for further understanding the pathogenesis of amebiasis. molecular biology-based diagnosis may become the technique of choice in the future because establishm ... | 2003 | 14557296 |
| glycogen phosphorylase sequences from the amitochondriate protists, trichomonas vaginalis, mastigamoeba balamuthi, entamoeba histolytica and giardia intestinalis. | glycogen phosphorylase genes or messages from four amitochondriate eukaryotes, trichomonas vaginalis, mastigamoeba balamuthi, entamoeba histolytica (two genes) and giardia intestinalis, have been isolated and sequenced. the sequences of the amitochondriate protist enzymes appear to share a most recent common ancestor. the clade containing these sequences is closest to that of another protist, the slime mold (dictyostelium discoideum), and is more closely related to fungal and plant phosphorylase ... | 2003 | 14563176 |
| intestinal parasitic infections in man: a review. | intestinal parasites of importance to man are enterobius vermicularis, the soil-transmitted helminthes (sth)--ascaris lumbricoides tricburis trichiura, bookworms (necator americans/ancylostoma duodenale) and strongyloides stercoralis and the protozoa entamoeba histolytica and giardia duodenalis. other protozoa such as cryptosporidium sp. and isopora sp. are becoming important in causing prolonged diarrhea in immunocompromised patients. it is estimated that almost 1 billion, 500 million and 900 m ... | 2003 | 14569755 |
| purification and biochemical characterization of a soluble alpha-glucosidase from the parasite entamoeba histolytica. | a soluble alpha-glucosidase presumably involved in the general carbohydrate metabolism was purified from e. histolytica trophozoites by a three-step procedure consisting of ion exchange, size exclusion and adsorption chromatographies in columns of mono q, sepharose cl-6b and hydroxyapatite, respectively. after the last step, the enzyme was enriched about 673-fold over the starting material with a yield of 18%. sds-page revealed the presence in the purified preparations of two polypeptides of com ... | 2003 | 14574111 |
| [prevalence of microsporidia and other intestinal parasites in patients with hiv infection, bogota, 2001]. | opportunistic intestinal parasites are a common cause of diarrhea in hiv-infected patients. to determine the prevalence of microsporidia and other opportunistic parasites infecting hiv patients in bogotá, colombia, 115 patients were examined for these infections during the year 2001. the institution and the sample percent from each are as follows: santa clara hospital, 33.0%; san pedro claver, 20.0%; simón bolívar hospital, 14.8%; san josé hospital, 13.9%; central de la policía hospital, 6.1%; c ... | 2003 | 14582330 |
| molecular cloning and characterization of a protein farnesyltransferase from the enteric protozoan parasite entamoeba histolytica. | genes encoding alpha- and beta-subunits of a putative protein farnesyltransferase (ft) from the enteric protozoan parasite entamoeba histolytica were obtained and their biochemical properties were characterized. deduced amino acid sequences of the alpha- and beta-subunit of e. histolytica ft (ehft) were 298- and 375-residues long with a molecular mass of 35.6 and 42.6 kda, and a pi of 5.43 and 5.65, respectively. they showed 24% to 36% identity to and shared common signature domains and repeats ... | 2004 | 14583615 |
| identification and characterization of a cyclooxygenase-like enzyme from entamoeba histolytica. | the intestinal protozoan parasite entamoeba histolytica remains a significant cause of morbidity and mortality worldwide. however, almost nothing is known about the molecules secreted by the parasite that modulate host immune responses or epithelial barrier function in the colon. herein, we describe the isolation and characterization of a cyclooxygenase (cox)-like enzyme in e. histolytica that is responsible for the biosynthesis of prostaglandin (pg)e2. pge2 produced by ameba was constitutive bu ... | 2003 | 14585927 |
| detection and identification of entamoeba species in stool samples by a reverse line hybridization assay. | classically, detection of entamoeba histolytica is performed by microscopic examination for characteristic cysts and/or trophozoites in fecal preparations. differentiation of e. histolytica cysts and those of nonpathogenic amoebic species is made on the basis of the appearance and the size of the cysts. however, by classical means objective tools for confirmation and quality control do not exist. therefore, a reverse line blot hybridization assay was developed to detect a variety of entamoeba sp ... | 2003 | 14605136 |
| mitochondrial remnant organelles of giardia function in iron-sulphur protein maturation. | giardia intestinalis (syn. lamblia) is one of the most widespread intestinal protozoan pathogens worldwide, causing hundreds of thousands of cases of diarrhoea each year. giardia is a member of the diplomonads, often described as an ancient protist group whose primitive nature is suggested by the lack of typical eukaryotic organelles (for example, mitochondria, peroxisomes), the presence of a poorly developed endomembrane system and by their early branching in a number of gene phylogenies. the d ... | 2003 | 14614504 |
| the cell cycle of entamoeba histolytica. | entamoeba histolytica, is a microaerophilic protist, which causes amoebic dysentery in humans. this unicellular organism proliferates in the human intestine as the motile trophozoite and survives the hostile environment outside the human host as the dormant quadri-nucleate cyst. lack of organelles--such as mitochondria and golgi bodies--and an unequal mode of cell division, led to the popular belief, that this organism preceded other eukaryotes during evolution. however, data from several labora ... | 2003 | 14619972 |
| intestinal parasites in children, in highly deprived areas in the border region of chiapas, mexico. | to assess the prevalence of intestinal parasitic infections among children in highly deprived areas, and its possible association with demographic and socioeconomic indicators. | 2003 | 14628618 |
| regulation of toll-like receptor-2 expression by the gal-lectin of entamoeba histolytica. | the gal/galnac lectin (gal-lectin) of entamoeba histolytica is a surface molecule involved in parasite adherence to host cells and is the most promising subunit vaccine candidate against amoebiasis. as macrophages are the major effector cells in host defense against amoebas, we studied the molecular mechanisms by which gal-lectin activates macrophage. microarray analysis showed that gal-lectin up-regulated mrnas of several cytokines and receptor genes involved in proinflammatory responses. the m ... | 2004 | 14630697 |
| a virulence attenuated amoebapore-less mutant of entamoeba histolytica and its interaction with host cells. | entamoeba histolytica, the protozoan parasite which causes amoebiasis, is an exclusively human pathogen so developing a vaccine could effectively impact the spread of the disease. recently we developed a genetically modified avirulent strain, termed g3, from the virulent e. histolytica strain hm-1:imss. the new strain lacks the important virulence factor, the amoebapore-a. the objective of our current study was to investigate the avirulence of the attenuated strain as well as to examine the anti ... | 2003 | 14636681 |
| intestinal antilectin immunoglobulin a antibody response and immunity to entamoeba dispar infection following cure of amebic liver abscess. | we followed 93 subjects with amebic liver abscess (ala) and 963 close associate controls at 3-month intervals for 36 months to characterize intestinal and humoral antibody responses to the amebic galactose-inhibitable lectin and to determine whether immunity developed to entamoeba histolytica or entamoeba dispar infection following cure of ala. we found that ala subjects had a higher prevalence and level of intestinal antilectin immunoglobulin a (iga) and serum anti-lc3 (cysteine-rich recombinan ... | 2003 | 14638778 |
| epidemiologic and clinical characteristics of acute diarrhea with emphasis on entamoeba histolytica infections in preschool children in an urban slum of dhaka, bangladesh. | the epidemiology, clinical features, nutritional status, and causative agents of diarrhea were studied in 289 bangladeshi children (147 boys and 142 girls) 2-5 years old. the use of improved diagnostic tests for amebiasis enabled for the first time analysis of the contribution of entamoeba histolytica to total diarrheal illness in this community setting. the average incidence rate of diarrhea was 1.8/child-year, and the average number of diarrheal days was 3.7 days/child-year over an average obs ... | 2003 | 14640500 |
| bfa-sensitive and insensitive exocytic pathways in entamoeba histolytica trophozoites: their relationship to pathogenesis. | entamoeba histolytica manifests its pathogenicity through several cellular processes triggered by external stimuli that activate signal transduction pathways. the intense secretory activity resulting from stimulation is not correlated with a typical endoplasmic reticulum (er) or golgi organization, and little is known in this parasite about endocytic/exocytic pathways. the interactions of trophozoites with fibronectin (fn) and cultured mammalian cells, which elicit secretory activities, were cho ... | 2003 | 14641177 |
| short communication: prevalence of entamoeba histolytica and entamoeba dispar in northern ghana. | since the redescription of the potentially invasive entamoeba histolytica, separating it from the morphologically identical non-invasive entamoeba dispar, there is a need for the reassessment of epidemiological data on amoebiasis. in this context we conducted a descriptive survey on the presence of e. histolytica and e. dispar in a rural area in northern ghana. we found a high prevalence (39.8%) of the e. histolytica/e. dispar complex with microscopy, but e. histolytica and e. dispar-specific dn ... | 2003 | 14641852 |
| meeting report: embo workshop "pathogenesis of amoebiasis: from genomics to disease", institut pasteur, paris, may 19-22, 2003. | | 2003 | 14658490 |
| evidence for golgi bodies in proposed 'golgi-lacking' lineages. | golgi bodies are nearly ubiquitous in eukaryotic cells. the apparent lack of such structures in certain eukaryotic lineages might be taken to mean that these protists evolved prior to the acquisition of the golgi, and it raises questions of how these organisms function in the absence of this crucial organelle. here, we report gene sequences from five proposed 'golgi-lacking' organisms (giardia intestinalis, spironucleus barkhanus, entamoeba histolytica, naegleria gruberi and mastigamoeba balamut ... | 2003 | 14667372 |
| an epidemiological study of pleuropulmonary paragonimiasis among pupils in the peri-urban zone of kumba town, meme division, cameroon. | paragonimiasis have previously been reported in two zones of the southwest province of cameroon including the kupe mountain and mundani foci. the aim of this study was to investigate the presence and epidemiology of paragonimiasis in the peri-urban zone of kumba, meme division, located about 50 km away from the kupe mountain focus. | 2003 | 14678562 |
| collagen-induced stat family members activation in entamoeba histolytica trophozoites. | the interaction of entamoeba histolytica trophozoites with collagen type i and calcium induces a membrane to nuclei signaling. the transduction pathways involved in such phenomena are still poorly understood. using a combination of immunoprecipitation assays, western immunoblot analysis, electrophoretic mobility shift assays and immunocytochemistry we demonstrate here the expression, tyrosine phosphorylation, nuclear translocation and dna binding of two members of the signal transducers and acti ... | 2003 | 14680700 |
| [prevalence of intestinal parasitosis in schoolchildren]. | aiming to identify the prevalence and the social risk factors of the intestinal parasitosis in first grade school children of campinas, state of são paulo, brazil. | 1997 | 14685375 |
| [acute diarrhea in children less than 3 years of age: enteropathogens isolated in patient's stools, compared with a control group] | objectives: to observe the occurrence of different etiological agents of acute diarrhea (ad) in stool specimens of patients and children in a control group. material and methods: 100 children less than three years of age with ad were studied as well as 100 controls, between november 1993 and may 1994. stool specimens were collected in both groups and the following enteropathogens were searched for: rotavirus, escherichia coli (epec, etec, eiec, ehec), salmonella sp, shigella sp, campylobacter je ... | 1999 | 14685548 |
| effects of bisphosphonates on the growth of entamoeba histolytica and plasmodium species in vitro and in vivo. | the effects of a series of 102 bisphosphonates on the inhibition of growth of entamoeba histolytica and plasmodium falciparum in vitro have been determined, and selected compounds were further investigated for their in vivo activity. forty-seven compounds tested were active (ic(50) < 200 microm) versus e. histolytica growth in vitro. the most active compounds (ic(50) approximately 4-9 microm) were nitrogen-containing bisphosphonates with relatively large aromatic side chains. simple n-alkyl-1-hy ... | 2004 | 14695831 |
| molecular cloning, expression and characterization of a serine proteinase inhibitor gene from entamoeba histolytica. | serine proteinase inhibitors (serpins) are irreversible suicide inhibitors of proteinases that regulate a wide range of biological processes, including pathogen evasion of the host defence system. we report the cloning and characterization of a gene encoding a serpin from the protozoan parasite entamoeba histolytica (ehserp) that may function in this manner. the protein encoded by ehserp contains 371 amino acids with a predicted mass of 42.6 kda. antibodies to a 42 kda recombinant ehserp react s ... | 2004 | 14698428 |
| genes induced by a high-oxygen environment in entamoeba histolytica. | entamoeba histolytica, although a microaerophilic protozoan parasite, encounters a high-oxygen environment, during invasive amoebiasis. the parasite requires specific regulation of certain proteins to maintain its physiological functions to survive in the more oxygenated condition. our endeavor was to know how does amoeba adapt itself in a high-oxygen environment. reactive oxygen species (ros) was found to accumulate in an increasing concentration within the stressed trophozoites in a time-depen ... | 2004 | 14698431 |
| parasite and host contributions to the pathogenesis of amebic colitis. | | 2004 | 14700586 |
| identification and characterization of ehcabp2. a second member of the calcium-binding protein family of the protozoan parasite entamoeba histolytica. | entamoeba histolytica, an early branching eukaryote, is the etiologic agent of amebiasis. calcium plays a pivotal role in the pathogenesis of amebiasis by modulating the cytopathic properties of the parasite. however, the mechanistic role of ca(2+) and calcium-binding proteins in the pathogenesis of e. histolytica remains poorly understood. we had previously characterized a novel calcium-binding protein (ehcabp1) from e. histolytica. here, we report the identification and partial characterizatio ... | 2004 | 14711825 |
| bacterial expression of a human monoclonal antibody-alkaline phosphatase conjugate specific for entamoeba histolytica. | we previously produced human monoclonal antibody fab fragments specific to entamoeba histolytica in escherichia coli. in order to use these fab fragments for diagnostic purposes, an expression vector to produce a fusion protein of fab and alkaline phosphatase (phoa) in e. coli was designed and constructed. the e. coli phoa gene was fused to the 3' terminus of the gene encoding the heavy-chain fd region. the kappa and fd genes from a previously prepared antibody clone, cp33, which is specific for ... | 2004 | 14715571 |
| characterization of cytosine methylated regions and 5-cytosine dna methyltransferase (ehmeth) in the protozoan parasite entamoeba histolytica. | the dna methylation status of the protozoan parasite entamoeba histolytica was heretofore unknown. in the present study, we developed a new technique, based on the affinity of methylated dna to 5-methylcytosine antibodies, to identify methylated dna in this parasite. ribosomal dna and ribosomal dna circles were isolated by this method and we confirmed the validity of our approach by sodium bisulfite sequencing. we also report the identification and the characterization of a gene, ehmeth, encodin ... | 2004 | 14715927 |
| purification of entamoeba histolytica dna containing organelles (ekhos): a further characterization. | | 2003 | 14736228 |
| intestinal parasites among african refugees resettled in massachusetts and the impact of an overseas pre-departure treatment program. | this study analyzed the prevalence of intestinal parasitoses diagnosed shortly after arrival in the united states among african refugees before and after implementation of an overseas program of empirical treatment with albendazole. variables included results of microscopy of a single stool specimen, age, sex, ethnicity, departure origin, and receipt of albendazole. of 1,254 refugees, 56% had intestinal parasites. fourteen percent had helminths, and 2% had multiple helminths. in addition, 52% ha ... | 2003 | 14740885 |
| prevention of intestinal amebiasis by vaccination with the entamoeba histolytica gal/galnac lectin. | prevention of intestinal infection by entamoeba histolytica would block both invasive disease and parasite transmission. the amebic gal/galnac lectin mediates parasite adherence to the colonic surface and fecal anti-lectin iga is associated with protection from intestinal reinfection in children. we tested if vaccination with the e. histolytica gal/galnac lectin could prevent cecal infection in a c3h mouse model of amebic colitis. two trials using native lectin purified from the parasite and two ... | 2004 | 14741152 |
| expression of amoebapores is required for full expression of entamoeba histolytica virulence in amebic liver abscess but is not necessary for the induction of inflammation or tissue damage in amebic colitis. | entamoeba histolytica trophozoites produce amoebapores, a family of small amphipathic peptides capable of insertion into bacterial or eukaryotic membranes and causing cellular lysis. recently, e. histolytica trophozoites that are totally deficient in the production of amoebapore-a were created through a gene silencing mechanism (r. bracha, y. nuchamowitz, and d. mirelman, eukaryot. cell 2:295-305, 2003). here we tested the virulence of amoebapore a(-) trophozoites in models of the two major form ... | 2004 | 14742508 |
| influence of human leukocyte antigen class ii alleles on susceptibility to entamoeba histolytica infection in bangladeshi children. | the association of antibody responses with both innate and acquired immunity to amebiasis indicate that cd4+ t cells play a role in protection against entamoeba histolytica infection. to test this hypothesis, we compared the genotype frequencies of human leukocyte antigen (hla) class ii alleles in a cohort of bangladeshi children intensively monitored for e. histolytica infection for a 3-year period. | 2004 | 14745711 |
| [indigenous amebic liver abscess. presentation of a case]. | | 2004 | 14746764 |
| gastrointestinal parasite infestation. | twenty-five percent of the world's population could be suffering parasitic infestation. highest prevalence is in underdeveloped agricultural and rural areas in the tropical and subtropical regions. in some areas incidence may reach 90% of the population. in contrast, some major economic projects intended to promote local development have, paradoxically, caused parasitic proliferation, e.g. bilharziasis in egypt and sudan and chagas disease in brazil. the commonest cosmopolitan gastrointestinal p ... | 2004 | 14749961 |
| bifunctional aldehyde/alcohol dehydrogenase (adhe) in chlorophyte algal mitochondria. | protein profiles of mitochondria isolated from the heterotrophic chlorophyte polytomella sp. grown on ethanol at ph 6.0 and ph 3.7 were analyzed by blue native and denaturing polyacrylamide gel electrophoresis. steady-state levels of oxidative phosphorylation complexes were influenced by external ph. levels of an abundant, soluble, mitochondrial protein of 85 kda and its corresponding mrna increased at ph 6.0 relative to ph 3.7. n-terminal and internal sequencing of the 85 kda mitochondrial prot ... | 2003 | 14756315 |
| an intestinal parasitic protist, entamoeba histolytica, possesses a non-redundant nitrogen fixation-like system for iron-sulfur cluster assembly under anaerobic conditions. | we have characterized the iron-sulfur (fe-s) cluster formation in an anaerobic amitochondrial protozoan parasite, entamoeba histolytica, in which fe-s proteins play an important role in energy metabolism and electron transfer. a genomewide search showed that e. histolytica apparently possesses a simplified and non-redundant nif (nitrogen fixation)-like system for the fe-s cluster formation, composed of only a catalytic component, nifs, and a scaffold component, nifu. amino acid alignment and phy ... | 2004 | 14757765 |
| intestinal parasites among presumably healthy individuals in lebanon. | to determine the prevalence period of intestinal parasites among presumably healthy subjects in lebanon. | 2004 | 14758375 |
| effects of cd(+2), cu(+2), ba(+2) and co(+2) ions on entamoeba histolytica cysts. | the effects of cobalt, copper, cadmium and barium ions on the cysts of entamoeba histolytica (e. histolytica), an amebic dysentery agent, cultured in robinson medium were investigated. | 2004 | 14760778 |
| parasitic diseases of the heart. | the following chapter is one of a series of chapters in the volume entitled infections of the myocardium appearing in frontiers in bioscience. the full table of contents can be found at http://www.bioscience.org/current/special/tanowitz.htm. in this chapter, we review several parasitic infections involving the myocardium and pericardium. the most widely studied parasitic infection affecting the heart is chagas' disease or american trypanosomiasis. in this chapter we describe issues relating to c ... | 2004 | 14766402 |
| the effect of rice powder on the growth of cultures of endamoeba histolytica. | | 1950 | 14771385 |
| the effect of x-ray upón the growth and infectivity of endamoeba histolytica. | | 1950 | 14771386 |
| on the influences of extracts of rhizoma rhei and semen pharbitidis upon the infection of entamoeba histolytica in rats. | | 1950 | 14774992 |
| studies on the influences of bacterial flora upon the cultivation of entamoeba histolytica. | | 1950 | 14774993 |
| laboratory observations on the actions of aureomycin, circulin, polymyxins b, d, and e on endamoeba histolytica. | | 1950 | 14784639 |
| the excystation of entamoeba histolytica without bacteria in microcultures. | | 1950 | 14785976 |
| oxidation-reduction potentials in the cultivation of endamoeba histolytica. | | 1950 | 14790169 |
| [action of some components and properties of urine in the culture of endamoeba histolytica]. | | 1950 | 14799135 |
| the relationship of population growth to in vitro encystation of endamoeba histolytica. | | 1950 | 14804228 |
| studies on the influences of intestinal flora upon the excystation of entamoeba histolytica in vitro. iii. on the influences of pure strain of bacteria upon the excystation of entamoeba histolytica. | | 1950 | 14804838 |
| studies on the influences of intestinal flora upon the excystation of entamoeba histolytica in vitro. iv. influences of pathogenic bacteria upon excystation; general discussion and conclusion. | | 1950 | 14804839 |
| on the influences of seasonal factors upon the experimental infection of entamoeba histolytica in rats. | | 1950 | 14804840 |
| biological studies on entamoeba histolytica. iv. direct action of the antibiotic, prodigiosin. | | 1950 | 14808264 |
| [culture media of endamoeba histolytica]. | | 1950 | 14809183 |
| some observations on the variation of virulence and response to chemotherapy of strains of entamoeba histolytica in rats. | | 1951 | 14817820 |
| a study of laboratory methods for diagnosing endamoeba histolytica and their application to 5,048 persons from the chicago area. | | 1951 | 14818996 |
| the in vitro effect of aureomycin and chloromycetin on cultures of endamoeba histolytica and trichomonas hominis. i. the ability of the antibiotics to prevent growth and multiplication of the organisms. | | 1951 | 14819001 |
| comparative growth cycles of endamoeba histolytica with different combinations of bacteria. | | 1951 | 14819513 |
| the effect of aureomycin hydrochloride on the growth of endamoeba histolytica in vitro. | | 1951 | 14819514 |
| [oxidation-reduction potential in culture of endamoeba dysenteriae]. | | 1950 | 14822298 |
| on the influences of escherichia coli upon the experimental infection of entamoeba histolytica in rats. | | 1951 | 14825609 |
| comparative effects of certain species of trypanosomidae on the growth of endamoeba histolytica in the absence of bacteria. | | 1951 | 14829739 |
| sterilization of cysts of entamoeba histolytica by chemical disinfectants, and initiation and maintenance of pure cultures in association with single species of bacteria. | | 1951 | 14835798 |
| experimental amebic hepatitis in hamsters. | | 1951 | 14844258 |
| observations on the cystic stage of e. histolytica in abscesses of the human bowel. | | 1951 | 14844362 |
| in vitro and in vivo studies of a new antibiotic, fumagillin, with endamoeba histolytica. | | 1951 | 14844429 |
| [first experimental research on the affect of thiosemicarbazone (tb 1/698) on the culture of endamoeba histolytica]. | | 1951 | 14846521 |
| biological studies on entamoeba histolytica. iii. induced encystation in several mediums, including an account of a new procedure. | | 1951 | 14850747 |