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Knoellia
''Knoellia'' is a genus of Gram positive, aerobic, non-endosporeforming bacteria. Species in this genus are mesophilic and have cells that are irregular rods or coccoid. The genus was first proposed in 2002. The type species ''K. sinensis'' was first isolated from cave soil in Guilin, China. The genus is named after Hans Knöll, a German physician and microbiologist, and a "pioneer in antibiotic research. Other members of this genus have been initially isolated from soil, air, and pig manure. '' K. remsis'' was originally classified in the genus ''Tetrasphaera'', but was reclassified into ''Knoellia'' in 2018. Species from this genus produce white or cream-colored colonies on R2A agar, expect for '' K. flava'', which produces yellow colonies. All species are mesophilic A mesophile is an organism that grows best in moderate temperature, neither too hot nor too cold, with an optimum growth range from . The optimum growth temperature for these organisms is 37°C. The term is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Knoellia Sinensis
''Knoellia sinensis'' is a species of Gram positive, nonmotile, non-sporeforming bacteria. The bacteria are aerobic and mesophilic, and the cells can be irregular rods or coccoid. It was originally isolated from an air sample from cave soil from Reed Flute Cave in Guilin, China. ''K. sinensis'' was discovered along with '' K. subterranea. The species name is derived from Latin ''sinensis'' (of China). ''K. sinensis'' is the type strain The International Code of Nomenclature of Prokaryotes (ICNP) formerly the International Code of Nomenclature of Bacteria (ICNB) or Bacteriological Code (BC) governs the scientific names for Bacteria and Archaea.P. H. A. Sneath, 2003. A short histor ... of the genus ''Knoellia''. The optimum growth temperature for ''K. sinensis'' is 28 °C, and cannot grow at temperatures of 37 °C or above. The optimum pH is 5.0-9.0. References {{Taxonbar, from=Q21273975 Intrasporangiaceae Bacteria described in 2002 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Knoellia Subterranea
''Knoellia subterranea'' is a species of Gram positive, nonmotile, non-sporeforming bacteria. The bacteria are aerobic and mesophilic, and the cells can be irregular rods or coccoid. It was originally isolated from an air sample from cave soil from Reed Flute Cave in Guilin, China. ''K. sinensis'' was one of the first described species of ''Knoellia'', being discovered along with the type strain The International Code of Nomenclature of Prokaryotes (ICNP) formerly the International Code of Nomenclature of Bacteria (ICNB) or Bacteriological Code (BC) governs the scientific names for Bacteria and Archaea.P. H. A. Sneath, 2003. A short histor ... '' K. sinensis''. The species name refers to its subterranean isolation location The optimum growth temperature for ''K. subterranea'' is 28-37 °C, but cannot grow at 42 °C. The optimum pH is 5.0-9.0. References {{Taxonbar, from=Q21273978 Intrasporangiaceae Bacteria described in 2002 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Knoellia Aerolata
''Knoellia aerolata'' is a species of Gram positive, nonmotile, non-sporeforming bacteria. The bacteria are aerobic and mesophilic, and the cells can be irregular rods or coccoid. It was originally isolated from an air sample from Suwon City, South Korea South Korea, officially the Republic of Korea (ROK), is a country in East Asia, constituting the southern part of the Korea, Korean Peninsula and sharing a Korean Demilitarized Zone, land border with North Korea. Its western border is formed .... The species name is derived from Latin ''aer'' (air) and ''latus'' (carried). The optimum growth temperature for ''K. aerolata'' is 30 °C and can grow in the 5-35 °C range. The optimum pH is 6.0-7.0, and can grow in pH 5.0-9.0. References {{Taxonbar, from=Q25860983 Intrasporangiaceae Bacteria described in 2007 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Knoellia Flava
''Knoellia flava'' is a species of Gram positive, nonmotile, non-sporeforming bacteria. The bacteria are aerobic and mesophilic, and the cells can be irregular rods or coccoid. It was originally isolated from pig manure from Huazhong Agricultural University in Wuhan, China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and .... The species name is derived from Latin ''flava'' (yellow), referring to the colony color of the species when grown on R2A agar. The optimum growth temperature for ''K. flava'' is 28 °C and can grow in the 4-37 °C range. The optimum pH is 7.0, and can grow in pH 5.0-9.0. References {{Taxonbar, from=Q25860984 Intrasporangiaceae Bacteria described in 2012 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Knoellia Locipacati
''Knoellia locipacati'' is a species of Gram positive, nonmotile, non-sporeforming bacteria. The bacteria are aerobic and mesophilic A mesophile is an organism that grows best in moderate temperature, neither too hot nor too cold, with an optimum growth range from . The optimum growth temperature for these organisms is 37°C. The term is mainly applied to microorganisms. Organi ..., and the cells can be irregular rods or coccoid. It was originally isolated from soil from the Korean Demilitarized Zone. The species name is derived from Latin ''locus'' (a place, country region) and ''pacatus'' (pacified, peaceful, quiet). The optimum growth temperature for ''K. locipacati'' is and can grow in the range. The optimum pH is 7.0-8.0, and can grow in pH 6.0-9.0. References {{Taxonbar, from=Q62855613 Intrasporangiaceae Bacteria described in 2012 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Knoellia Remsis
''Knoellia remsis'' a species of Gram positive, nonmotile, non-sporeforming bacteria. The bacteria are aerobic and Mesophile, mesophilic, and the cells are coccus, coccoid that group in pairs, tetrads, or clusters. It was originally isolated from an air sample from the Regenerative Enclosed Life Support Module Simulator, which was a system designed to simulate life aboard the International Space Station. The species is named after REMS, the acronym for the Regenerative Enclosed Life Support Module Simulator. The species was originally classified as ''Tetrasphaera remsis'' in 2007, but was reclassified into the genus ''Knoellia'' in 2018. The optimum growth temperature for ''K. remsis'' is 25 °C and can grow in the 10-45 °C range. The optimum pH is 7.0, and can grow in pH 6.0-9.0. References {{Taxonbar, from=Q66663019 Intrasporangiaceae Bacteria described in 2007 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tetrasphaera
''Tetrasphaera '' is a bacterial genus from the family of Intrasporangiaceae Intrasporangiaceae is an actinomycete family. The family is named after the type genus '' Intrasporangium''. The type species of ''Intrasporangium'' ('' I. calvum'') was originally thought to form endospores; however, the mycelium of this strain .... References Further reading * * * Intrasporangiaceae Bacteria genera {{Actinobacteria-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Type Species
In zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specimen(s). Article 67.1 A similar concept is used for suprageneric groups and called a type genus. In botanical nomenclature, these terms have no formal standing under the code of nomenclature, but are sometimes borrowed from zoological nomenclature. In botany, the type of a genus name is a specimen (or, rarely, an illustration) which is also the type of a species name. The species name that has that type can also be referred to as the type of the genus name. Names of genus and family ranks, the various subdivisions of those ranks, and some higher-rank names based on genus names, have such types. [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hans Knöll
Hans Knöll (January 7, 1913– June 26, 1978) was a German physician and microbiologist. He was the director of the Central Institute of Microbiology and Experimental Therapy in Jena from 1953 to 1976, a member of the Academy of Sciences of the German Democratic Republic (i.e. of East Germany), and professor of bacteriology at the University of Jena. He was awarded the National Prize of the GDR in 1949 and 1952. In the late 1960s he got involved in an effort to save the historic center of Jena, protesting against the "socialist" urban development plans. Career In 1931 he started studying medicine at the University of Frankfurt on Main. A year later he joined the Nazi Party and the Sturmabteilung (SA). He quit the latter in 1935 (after the Night of the Long Knives). Little else is known about his political involvement during this period because his name does not appear in the 200,000-page records recovered from the Nazi Party Chancellery. He gained the Dr. med. degree in 1938. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
China
China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and borders fourteen countries by land, the most of any country in the world, tied with Russia. Covering an area of approximately , it is the world's third largest country by total land area. The country consists of 22 provinces, five autonomous regions, four municipalities, and two Special Administrative Regions (Hong Kong and Macau). The national capital is Beijing, and the most populous city and financial center is Shanghai. Modern Chinese trace their origins to a cradle of civilization in the fertile basin of the Yellow River in the North China Plain. The semi-legendary Xia dynasty in the 21st century BCE and the well-attested Shang and Zhou dynasties developed a bureaucratic political system to serve hereditary monarchies, or dyna ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Guilin
Guilin ( Standard Zhuang: ''Gveilinz''; alternatively romanized as Kweilin) is a prefecture-level city in the northeast of China's Guangxi Zhuang Autonomous Region. It is situated on the west bank of the Li River and borders Hunan to the north. Its name means "forest of sweet osmanthus", owing to the large number of fragrant sweet osmanthus trees located in the region. The city has long been renowned for its scenery of karst topography. Guilin is one of China's most popular tourist destinations, and the epithet "By water, by mountains, most lovely, Guilin" () is often associated with the city. The State Council of China has designated Guilin a National Famous Historical and Cultural City, doing so in the first edition of the list. History Before the Qin dynasty, Guilin region was settled by the Baiyue people. In 314 BC, a small settlement was established along the banks of the Li River. During the Qin dynasty's (221–206 BC) campaigns against the state of Nanyue, the fi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Endospore
An endospore is a dormant, tough, and non-reproductive structure produced by some bacteria in the phylum Bacillota. The name "endospore" is suggestive of a spore or seed-like form (''endo'' means 'within'), but it is not a true spore (i.e., not an offspring). It is a stripped-down, dormant form to which the bacterium can reduce itself. Endospore formation is usually triggered by a lack of nutrients, and usually occurs in gram-positive bacteria. In endospore formation, the bacterium divides within its cell wall, and one side then engulfs the other. Endospores enable bacteria to lie dormant for extended periods, even centuries. There are many reports of spores remaining viable over 10,000 years, and revival of spores millions of years old has been claimed. There is one report of viable spores of ''Bacillus marismortui'' in salt crystals approximately 250 million years old. When the environment becomes more favorable, the endospore can reactivate itself into a vegetative state. Mos ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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