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Abstract. Human diseases caused by Haemophilus paraphrophilus (H. paraphrophilus) are unusual. The following case report describes a year-old man who. With Aggregatibacter aphrophilus, some isolates are dependent on V factor ( formerly Haemophilus paraphrophilus), while others are not (formerly Haemophilus. Actinobacillus actinomycetemcomitans, Haemophilus aphrophilus, transform Haemophilus paraphrophilus into the NAD-independent phenotype.

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The transformants carried a full-length nadV inserted in the former pqraphrophilus of the pseudogene. Zambon Oral microbiology and immunology Haemophilus paraphrophilus; A rare cause of intracranial abscess. Diagn Microbiol Infect Dis.

Google Scholar Articles by Rets, A. The gene encodes a polypeptide of amino acids that shows Current Issue September-October48 5. References Publications referenced by this paper.

Showing of 9 extracted citations. Table 1 Biochemical characteristics of the current isolate. The parotid gland has never been reported to be involved by this organism. We now report H. If the latter was the underlying cause, the finding of localized H. Human diseases caused by this organism are rare.

The existence of H. Zambon Journal of periodontology Specific antibodies against Actinobacillus actinomycetemcomitans in serum and saliva of patients with advanced periodontitis. A Case Report Anton V. We report the first case of parotid gland abscess caused by H. A right parotid gland abscess was suspected, and fine-needle aspiration was performed. The nicotinamide phosphoribosyltransferase gene nadV conferring V factor-independent growth was identified in Haemophilus aphrophilus.


This microorganism is a member of the indigenous flora of the biofilms that form on tooth surfaces of man [ 2 ]. Ten isolates of Haemophilus paraphrophilus all carried a nadV pseudogene. Serum antibody in Actinobacillus actinomycetemcomitans-infected patients with periodontal disease. Reclassification of Actinobacillus actinomycetemcomitans, Haemophilus aphrophilus, Haemophilus paraphrophilus and Haemophilus segins as Aggregatibacter actinomycetemcomitans gen.

Identification of Actinobacillus actinomycetemcomitans by leukotoxin gene-specific hybridization and polymerase chain reaction assays.

Haemophilus paraphrophilus – Wikipedia

The aim of this study was to reinvestigate the relationships and the generic affiliations of the species Actinobacillus actinomycetemcomitans, Haemophilus aphrophilus, Haemophilus paraphrophilus and Haemophilus segnis. Human diseases caused by Haemophilus paraphrophilus H.

Showing of 27 references. SteffenDavid P Cappelli Infection and immunity Application of multivariate analyses of enzymic data to classification of members of the Actinobacillus-Haemophilus-Pasteurella group.

Physical examination revealed intense pain and swelling over the paraphropbilus area. From This Paper Figures, tables, and topics from this paper. Detection of pathogens from periodontal lesions. Services Email this article to a colleague Alert me when this article is cited Alert me if haemophipus correction is posted Similar articles in this journal Similar articles in Web of Science Similar articles in PubMed Download to citation manager.

Classification, identification, and clinical significance of Haemophilus and Aggregatibacter species with host specificity for humans. Topics Discussed in This Paper.


Gram stain showed short, thin Gram-negative bacilli that were found to be beta-lactamase negative. All performed routine haeomphilus tests were found to have values within normal limits. Several underlying conditions have been associated with infections caused by H.

Haemophilus paraphrophilus infection: a pitfall in laboratory diagnosis.

The biochemical profile of our isolate is presented in Table 1. Fatal Pneumonitis Associated with an ampicillinresistant, non-beta-lactamase producing strain of Haemophilus paraphrophilus.

Hemophilus ducreyi Search for additional papers on this topic. Arthritis caused by Heamophilus paraphrophilus and isolation of the organism by using an improved culture protocol. Articles by Pincus, M.

Am J Med Sci. EbersoleMilagros SandovalMichelle J. Hemophilus ducreyi Aggregatibacter actinomycetemcomitans. Hepatobiliary infections caused by heamophilus species.

We conclude that the division into two species Haemophilus aphrophilus and Haemophilus paraphrophilus is not justified and that Haemophilus paraphrophilus should be considered a later heterotypic synonym of Haemophilus aphrophilus. Principles and applications of polymerase chain reaction in medical diagnostic fields: A distinguishing reaction between these two organisms is the oxidase reaction that is positive for H. Subgingival distribution of periodontal pathogenic microorganisms paraphrophilue adult periodontitis.

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