Alcaligenes faecalis Research Paper Example | Topics and Well Written Essays - 1500 words

Alcaligenes faecalis - investigate Paper modelIt is found in the alimentary parcel as a harmless saprophyte in 5% to 19% of the common population. This existence does not usually spend a penny systemic infection. Alcaligenes faecalis has been describe to cause sepsis, meningitis, peritonitis, enteral fever, appendicitis, cystitis, chronic suppurative otitis media, abscesses, arthritis, pneumonitis, and endocarditis (Kavuncuoglu et al 118). Because Alcaligenes faecalis is unsusceptible to normally utilize antibiotics, the beingness is associated with disastrous outcomes. Thesis line of reasoning The purpose of this theme is to investigate Alcaligenes faecalis, and meditate various aspects of the organism, its morphology and effects. Taxonomy, Morphology and Functions of Alcaligenes faecalis Hans Riemann and dean O. Cliver argue that nutrition borne diseases atomic number 18 change magnitude because of accelerated globalisation of nourishing supply, and punctua te the importance of determination new ways of detecting and identifying foodborne pathogens, and the excretory product of food-related infections and intoxications. Alcaligenes faecalis is a Gram-negative, oxidase-positive, and catalase-positive microorganism shaped in the form of a rod, coccal-rod or coccal (Riemann and Cliver 343). The obligate aerobic bacteria moves with the abet of peritrichous flagella, usually eight in number, but uncontaminatingthorn occasionally be up to twelve. some(a) strains of the microorganism atomic number 18 capable of anaerobic respiration in the presence of process or nitrite (Riemann and Cliver 343). Alcaligenes faecalis broadly exists singly, and has a size of 0.5 1.0 x 0.5 2.6 um. The organism grows optimally at a temperature roll up of 20-370C. Although not considered as a major food-borne pathogen, it has caused occasional food-borne outbreaks with the usual symptoms of abdominal pain, headache, throw up and diarrhoea. Further, A. faecalis is an important food spoilage bacterium ((Riemann and Cliver 344). Besides solid ground and water, the organism has been spaced from various sources much(prenominal) as health check specimens including clay fluids and body waste matter, and from nematodes and insects. about species of A. faecalis are commonly found in the intestinal tracts of vertebrates (Riemann and Cliver 344). The scientific classification of Alcaligenes faecalis (Vasanthakumari 335) is as follows Kingdom bacterium Phylum Proteobacteria Class genus Beta Proteobacteria Order Burkholderiales Family Alcaligenaceae Genus Alcaligenes Species Alcaligenes faecalis (Vasanthakumari 335) Fig.1. White, twinkling Colonies of Alcaligenes faecalis on logical argument Agar (Herrera, 2012) capital of Minnesota G. Engelkirk and Janet L. Duben-Engelkirk observe that designation of Gram dapple Alcaligenes faecalis and CDC Alcaligenes like aggroup 1 reveals that they cannot be differentiated from other non -fermenters. They have equal cellular morphology, and are motile by peritrichous flagella. The colonial morphology reveals that A. faecalis produces white colonies with a thin, stretch outing, atypical edge (Fig.1). former(a) colonies, as shown in the illustration preceding(prenominal) tend to spread at the outer boundary and turn the agar-agar a green-apple colouration ((Engelkirk and Duben-Engelkirk 332). James T. Staley, accept J. Brenner, Noel R. Krieg and co-authors observe that the fiber subspecies faecalis of the Species Alcaligenes faecalis contains the face strain of the species. Its morphologic characteristics are the homogeneous as those of the Genus Alcaligenes. Colonies of the organism on nutrient agar range of mountains in