Natural lymphatic (“atypical”) actinobacillosis in cattle caused by Actinobacillus lignieresii. Caffarena RD(1)(2), Rabaza A(1)(2), Casaux L(1)(2). Actinobacillosis is a globally prevalent infectious animal disease caused by Gram -negative bacilli of the genus Actinobacillus. Actinobacillus lignieresii is a. Species/Subspecies: Actinobacillus lignieresii. Etymology: Genus name: small ray rod (ray refers to the histological picture of radially localized club-like.

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The typical clinical manifestation of A. Petechial to ecchymotic hemorrhages were observed throughout the lungs. The presence of granulomas on the peritoneum suggests the organism was disseminated either via blood or via lymphatic vessels.

Natural lymphatic (“atypical”) actinobacillosis in cattle caused by Actinobacillus lignieresii.

Actinobacillus lignieresii ATP synthase beta subunit gene, partial cds. Foamy fluid was identified in the trachea, and blood clots were found at the tracheal bifurcation. An atypical case of respiratory actinobacillosis in a cow. The isolate was assayed for susceptibility to 7 antibiotics: Clinical recognition and treatment of bovine cutaneous actinobacillosis. Information on the name and the taxonomic classification.

The susceptibility of this bacterium to sulfamethoxazole-trimethoprim is important, because of the rare zoonotic potential of A.

Immunohistochemistry showing that bacilli in the asteroid bodies react with an antibody against A. Actinobacillus lignieresii was isolated from the lesions and identified by amplification, sequencing, and analysis of the 16S ribosomal r DNA gene. Therefore, additional investigations will be necessary to confirm the difference of pathogenicity among the conventional strains of A.

Actinobacillosis is a zoonotic disease caused by Actinobacillus. The infection is most commonly caused by abrasions on different soft tissues through which the bacteria, Actinobacillus lignieresii, enters. Seven of 8 cows recovered after treatment with sodium iodide. Rickettsia akari Rickettsialpox Orientia tsutsugamushi Scrub typhus.


The cause of death in this animal was bovine respiratory disease complex unrelated to the actinobacillosis identified in animal 1. This page was last edited on ligneiresii Octoberlignieresio No bacteria were isolated from any of the other tissue samples.

Eosinophilic club-like spicules asteroid bodies contain bacterial colonies. Acid from sucrose SAC. Availability in culture collections Strain availability. Actinonacillus Gram-negative bacillus was isolated from the nodules of the peritoneum, and the isolate was catalase and oxidase positive.

Numerous firm foci were disseminated throughout the peritoneum and the mesentery.


Salmonella enterica Typhoid feverParatyphoid feverSalmonellosis. Actinobacillus suis is an important disease of pigs of lignidresii ages and can lead to severe morbidity and sudden death.

Gross necropsy examination of animal 1 revealed extensive adhesions between the peritoneum and the intestines. Actinobacillosis in bovine caesarean sections.

Acid from maltose MAL. Information on possible application of the strain and its possible interaction with e. Infectious diseases Bacterial disease: Gross finding of the peritoneum showing extensive adhesion to the intestine. Acid from D-glucose GLU. Lgnieresii bacteria isolated from the nodules were confirmed to be Actinobacillus lignieresii based on the actinbacillus of 16S rRNA gene sequencing and immunohistochemistry.

It is more commonly associated with animals than with humans. Rickettsia felis Flea-borne spotted fever. Histological examination revealed that the affected peritoneum of animal 1 was composed actinobaxillus multiple suppurative granulomas Fig. The colonies were Gram-negative bacilli on Gram stain, and those were surrounded by neutrophils, macrophages and actinobcillus and showed evidence of neovascularization Fig. This type of A.


These lesions had been confused with neoplasms, nasal polyps or exuberant granulation tissue [ 7 ]. No gross lesions were found in other organs, including the brain and spinal cord. National Center for Biotechnology InformationU. The isolate was identified as A. Actinobacillosis is a globally prevalent infectious animal disease caused by Gram-negative bacilli of the genus Actinobacillus.

Lymphangiectasia and slight to moderate inflammatory cell infiltration to the jejunal lamina propria were noted surrounding the protozoan lesions. Brucellaceae Brucella abortus Brucellosis.

In addition, to comply with animal health requirements for importing cattle to Japan from Australia, animals were treated with long-acting oxytetracycline for leptospirosis. Granulomatous lesions in the skin cutaneous formlymph nodes [ 5 ], head, flank, wall of the stomach and limbs [ 2 ] have been reported in cases of A.

External links Search for species Actinobacillus lignieresii in external resources: The commensal bacteria is also commonly found in the oral cavity, gastrointestinal tract, and linieresii tract, sometimes resulting in disease. Support Center Support Center. Information on culture and growth conditions Culture and growth conditions. The injury results in different forms and locations of the disease depending on the location of the tissue.

Enterotoxigenic Enteroinvasive Enterohemorrhagic O Section Name and taxonomic classification Morphology and physiology Culture and growth conditions Isolation, sampling and environmental information Application and interaction Molecular lignierseii Strain ligniieresii. Pseudomonas aeruginosa Pseudomonas infection Moraxella catarrhalis Acinetobacter baumannii.