Bacterial motility

Ebook "Nanomicrobiology: Physiological and environmental characteristics" is devoted to nanomicrobiology and the nanosystems of bacteria. The initial chapter discusses some of the controversies in the geochemical and biomedical fields associated with the reports of nanobacteria in the environment. Current knowledge of several internal and surface structures of bacteria is addressed in this book. Included are chapters discussing carboxysomes, S-layers, gliding motility of bacteria, and aggregation of iron to produce nano-magnetite.

188p manmanthanhla0201 26-02-2024 4 1   Download

Part 1 book "Bacterial fish pathogens - Disease of farmed and wild fish" includes content: Introduction; gram positive bacteria (anaerobes and ‘lactic acid’ bacteria); aerobic gram positive rods and cocci; aeromonadaceae representatives (motile aeromonads); aeromonadaceae representative (aeromonas salmonicida); enterobacteriaceae representatives.

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Temperate bacteriophages are capable of lysogenic conversion of new bacterial hosts. This phenomenon is often ascribed to “moron” elements that are acquired horizontally and transcribed independently from the rest of the phage genes.

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The order Enterobacterales encompasses a broad range of metabolically and ecologically versatile bacterial taxa, most of which are motile by means of peritrichous flagella. Flagellar biosynthesis has been linked to a primary flagella locus, flag-1, encompassing ~ 50 genes.

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Members of the bacterial family Flavobacteriaceae are widely distributed in the marine environment and often found associated with algae, fish, detritus or marine invertebrates. Yet, little is known about the characteristics that drive their ubiquity in diverse ecological niches.

21p vijeeni2711 30-06-2021 18 1   Download

Motility in bacteria forms the basis for taxis and is in some pathogenic bacteria important for virulence. Video tracking of motile bacteria allows the monitoring of bacterial swimming behaviour and taxis on the level of individual cells, which is a prerequisite to study the underlying molecular mechanisms.

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Endophytic nonrhizobial bacteria, Chryseobacterium indologenes, Endophytic non rhizobial bacterial stain AM2 was isolated from root nodules of Vigna radiate. The bacterium was Gram-negative, yellow pigmented, nonspore forming, motile and oxidase positive. Phylogeny of 16S rRNA gene sequences revealed that the strain belonged to the genus Chryseobacterium, a member of family Flavobacteriaceae.

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Recurrent bacterial infections of the respiratory tract are one of the major clinical features of the primary ciliary dyskinesia (PCD), a rare genetic disease due to malfunctioning of motile cilia. Chronic infections and persistent inflammation of the respiratory system result in progressive lung disease.

10p viorochimaru2711 29-05-2020 11 1   Download

Nile Tilapia (Oreochromis niloticus) is an important aquaculture resource that represents one of the most popular cultured species in the whole world. However, culture of this species face some problems, which are associated with the occurrence of pathogenic bacteria and cause high pecuniary loss. The main aim of this study was to isolate and identify the pathogenic bacteria from diseased farmed O. niloticus and to detect the antibiotic sensitivity with some commonly used antibiotics.

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Corynebacterium sp. is a Gram-positive, non-motile and facultatively anaerobic bacilli present in the environment as ubiquitous organism. A 45 day-old Holstein Friesian calf from University Livestock Farm (ULF), Kerala Veterinary and Animal Sciences University, Mannuthy was reported with joint ill in both of its forelimbs. Using aseptic procedures, synovial fluid was collected from the right knee joint and inoculated on to blood agar and incubated at 37⁰ C for 24 to 48 hrs to isolate and identify the bacterial aetiology involved.

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A total of 50 PPFM’s were isolated from rhizosphere soil and phyllosphere of direct seeded rice regions of Hyderabad-Karnataka. Samples of leaves and rhizosphere soils were collected from direct seeded rice grown in different location (Raichur district, Bellary district, Koppal district and Yadgir district). Thereafter, all the classical recommended methods used for identification of all the obtained isolates were carried out including, morphological, microscopical as well as biochemical characteristics. The results revealed that all the isolates were gram negative, rod shaped, motile.

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Ralstonia solanacearum is an aerobic non-sporing, Gram-negative plant pathogenic bacterium. R.solanacearum is soil-borne and motile with a polar flagellar tuft. It colonises the xylem, causing bacterial wilt in a very wide range of potential host plants. It is known as Granville wilt when it occurs in tobacco. Bacterial wilts of tomato, pepper, eggplant and Irish potato caused by Ralstonia solanacearum were among the first diseases that Erwin Frink Smith proved to be caused by a bacterial pathogen.

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Aeromonas hydrophila and other motile aeromonads are among the most common bacteria in freshwater habitats throughout the world, and these bacteria frequently cause disease among cultured and feral fishes. From descriptions of fish diseases in the early scientific literature, Otte speculated that septicemic infections in fish caused by motile aeromonads were common throughout Europe during the Middle Ages. Although the bacterial etiology of these early reports was inconclusive, the pathology was similar to that observed with red leg disease in frogs, in which A.

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The guideline will not consider management of the fol- lowing clinical presentations, although differential diagno- sis for these conditions and bacterial rhinosinusitis will be discussed: allergic rhinitis, eosinophilic nonallergic rhinitis, vasomotor rhinitis, invasive fungal rhinosinusitis, allergic fungal rhinosinusitis, vascular headaches, and migraines.

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The GIT motility constituents such as migrating motor complex in the stomach and the one way peristaltic movements in small intestine are significantly influenced by the bacterial colonization. Moreover, the decrease of intestinal motility may cause a small intestinal bacterial overgrowth (SIBO).

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