H aphrophilus (H. aphrophilus) is a member of normal oral cavity flora. The organism can be isolated from gingival scrapings, interdental material, and dental plaque.1 Although rare, brain abscesses are one of the most serious infections of the CNS. Dental pathologies and therapeutic interventions may have a role in the pathogenesis of brain abscesses. The rationale for this paper is to report ...

A gram-negative coccobacillus was isolated from the lower respiratory tract of a cat with chronic obstructive pulmonary disease. The isolate required CO2 and V factor for growth and was initially identified as Haemophilus paraphrophilus on the basis of its nutritional requirements, colony morphology, and some biochemical tests. Because of the host specificity of Haemophilus species and discrepa...

Acinetobacter baumanii is a Gram-negative, non-fermenting, oxidase-negative and non-motile coccobacillus, [1]. It can survive in water, soil, surface of skin and hospital environment. It cause a series of opportunistic infections such as epidemic pneumonia, skin and soft tissue infections, bacteraemia, urinary tract infections and septicemia app:addword:septicemia in immunocompromised patients,...

The production of biodegradable plastic from microorganisms has great potential as a substitute for conventional plastic. This study aims to isolate bacterial strains capable polyhydroxyalkanoates (PHAs) the Kampung Jawa landfill land (KJLL) and characterize biopolymers. were able produce PHA using mineral salt medium (MSM) with glucose carbon source. qualitative screening PHA-producing bacteri...

Francisella tularensis is a highly infectious gram-negative coccobacillus that causes the zoonosis tularemia. This bacterial pathogen causes a plague-like disease in humans after exposure to as few as 10 cells. Many of the mechanisms by which the innate immune system fights Francisella are unknown. Here we show that wild-type Francisella, which reach the cytosol, but not Francisella mutants tha...

Several plasmids have been described in Actinobacillus actinomycetemcomitans, a gram-negative coccobacillus. Recently, the nucleotide sequence of pVT736-1, a cryptic plasmid of A. actinomycetemcomitans VT736, was determined. This plasmid possesses all the features necessary for rolling circle replication. The present study involved a transcriptional analysis of pVT736-1. Results of Northern (RN...

A 35-year-old man with pre-existing rheumatic heart disease and aortic regurgitation (AR) presented with intermittent fever, ankle swelling and clinical evidence of endocarditis. Transoesophageal echocardiogram (TEE) revealed vegetations and destruction of the aortic valve (AV). Blood cultures grew a gram positive coccobacillus which was phenotypically identified as Abiotrophia defectvia (A.def...

Pertussis is a highly contagious disease caused by the Gram negative aerobic coccobacillus, Bordetella pertussis. It may present with severe symptoms and complications in infants and can pose a diagnostic challenge. This is a vaccine preventable illness covered by the Irish Childhood Immunisation Schedule. In 2011, a retrospective review was conducted of the records of infants, under six months...

Hereditary spherocytosis is a congenital haemolytic anaemia due to defect in spectrin-a RBC membrane protein and is transmitted as autosomal dominant. Due to this defect there is presence of characteristic spherical cell in peripheral blood smear and osmotic fragility is increased. Haemolytic anaemia, reticulocytosis, jaundice and splenomegaly are present. This article reports a case of a 9 yea...

Acinetobacter baumannii is a Gram-negative coccobacillus found primarily in hospital settings that has recently emerged as a source of hospital-acquired infections. A. baumannii expresses a variety of virulence factors, including type IV pili, bacterial extracellular appendages often essential for attachment to host cells. Here, we report the high resolution structures of the major pilin subuni...