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Leptospiraceae
The Leptospiraceae are a family of spirochete bacteria. It includes the genus '' Leptospira'' which contains some pathogenic species. Systematic These genera belong to the family Leptospiraceae: * ''Leptonema'' (with species ''Leptonema illini ''Leptonema illini'' is a species of bacteria. It belongs to the spirochetes and it is the only species of the genus ''Leptonema''. It can be found in water and soil media. Characteristics ''Leptonema'' are Gram-negative bacteria Gram-negat ...'') * '' Leptospira'' * '' Turneriella'' References Spirochaetes {{Spirochaetae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Spirochete
A spirochaete () or spirochete is a member of the phylum Spirochaetota (), (synonym Spirochaetes) which contains distinctive diderm (double-membrane) gram-negative bacteria, most of which have long, helically coiled (corkscrew-shaped or spiraled, hence the name) cells. Spirochaetes are chemoheterotrophic in nature, with lengths between 3 and 500 μm and diameters around 0.09 to at least 3 μm. Spirochaetes are distinguished from other bacterial phyla by the location of their flagella, called endoflagella which are sometimes called ''axial filaments''. Endoflagella are anchored at each end (pole) of the bacterium within the periplasmic space (between the inner and outer membranes) where they project backwards to extend the length of the cell. These cause a twisting motion which allows the spirochaete to move about. When reproducing, a spirochaete will undergo asexual transverse binary fission. Most spirochaetes are free-living and anaerobic, but there are nume ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Leptospira
''Leptospira'' ( grc, leptos, italics=yes, 'fine, thin' and la, spira, links=no, 'coil') is a genus of spirochaete bacteria, including a small number of pathogenic and saprophytic species. ''Leptospira'' was first observed in 1907 in kidney tissue slices of a leptospirosis victim who was described as having died of "yellow fever". Taxonomy ''Leptospira'', together with the genera ''Leptonema'' and ''Turneria'', is a member of the family Leptospiraceae. The genus ''Leptospira'' is divided into 20 species based on DNA hybridization studies. Pathogenic ''Leptospira'' :''Leptospira alstonii'' Smythe et al. 2013 ''Leptospira alstoni''" Haake et al. 1993:''Leptospira interrogans'' (Stimson 1907) Wenyon 1926 emend. Faine and Stallman 1982 ["''Spirochaeta interrogans''" Stimson 1907; "''Spirochaeta nodosa''" Hubener & Reiter 1916; "''Spirochaeta icterohaemorrhagiae''" Inada et al. 1916; "''Spirochaeta icterogenes''" Uhlenhuth & Fromme 1916; "''Leptospira icteroides''" Noguchi 1919] ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Leptonema (bacteria)
''Leptonema'' is a genus of flowering plant belonging to the family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ... Phyllanthaceae first described in 1824. The entire genus is endemic to Madagascar. It is dioecious, with male and female flowers on separate plants. ;Species # ''Leptonema glabrum'' (Leandri) Leandri # ''Leptonema venosum'' (Poir.) A.Juss. ;formerly included moved to ''Flueggea'' *''Leptonema melanthesoides'' F.Muell. - ''Flueggea virosa'' subsp. ''melanthesoides'' (F.Muell.) G.L.Webster References Endemic flora of Madagascar Phyllanthaceae genera Phyllanthaceae Dioecious plants {{Phyllanthaceae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Leptonema Illini
''Leptonema illini'' is a species of bacteria. It belongs to the spirochetes and it is the only species of the genus ''Leptonema''. It can be found in water and soil media. Characteristics ''Leptonema'' are Gram-negative bacteria Gram-negative bacteria are bacteria that do not retain the crystal violet stain used in the Gram staining method of bacterial differentiation. They are characterized by their cell envelopes, which are composed of a thin peptidoglycan cell wa ..., very thin, helical bacteria of about 0.1-0.2 μm in diameter and 13 to 21 μm. length. They are usually unicellular, but can also be seen as short chains in growing cultures. References External linksType strain of ''Leptonema illini'' at Bac''Dive'' - the Bacterial Diversity Metadatabase Gram-negative bacteria Spirochaetes Bacteria described in 1983 {{spirochaetae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pathogenic
In biology, a pathogen ( el, πάθος, "suffering", "passion" and , "producer of") in the oldest and broadest sense, is any organism or agent that can produce disease. A pathogen may also be referred to as an infectious agent, or simply a germ. The term ''pathogen'' came into use in the 1880s. Typically, the term ''pathogen'' is used to describe an ''infectious'' microorganism or agent, such as a virus, bacterium, protozoan, prion, viroid, or fungus. Small animals, such as helminths and insects, can also cause or transmit disease. However, these animals are usually referred to as parasites rather than pathogens. The scientific study of microscopic organisms, including microscopic pathogenic organisms, is called microbiology, while parasitology refers to the scientific study of parasites and the organisms that host them. There are several pathways through which pathogens can invade a host. The principal pathways have different episodic time frames, but soil has the longest ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
