Streptomyces Scabiei
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Streptomyces Scabiei
''Streptomyces scabies'' or ''Streptomyces scabiei'' is a streptomycete bacterium species found in soils around the world. Unlike most of the 500 or so ''Streptomyces'' species it is a plant pathogen causing corky lesions to form on tuber and root crops as well as decreasing the growth of seedlings. Along with other closely related species it causes the potato disease common scab, which is an economically important disease in many potato growing areas. It was first described in 1892, being classified as a fungus, before being renamed in 1914 and again in 1948. Several other species of ''Streptomyces'' cause similar diseases to ''S. scabies'' but other, more closely related species, do not. The genome of ''S. scabies'' has been sequenced and is the largest ''Streptomyces'' genome known so far. The genome contains a pathogenicity island containing the genes required for ''S. scabies'' to infect plants, and which can be transferred between different species. ''S. scabies'' can produc ...
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Bacteria
Bacteria (; singular: bacterium) are ubiquitous, mostly free-living organisms often consisting of one biological cell. They constitute a large domain of prokaryotic microorganisms. Typically a few micrometres in length, bacteria were among the first life forms to appear on Earth, and are present in most of its habitats. Bacteria inhabit soil, water, acidic hot springs, radioactive waste, and the deep biosphere of Earth's crust. Bacteria are vital in many stages of the nutrient cycle by recycling nutrients such as the fixation of nitrogen from the atmosphere. The nutrient cycle includes the decomposition of dead bodies; bacteria are responsible for the putrefaction stage in this process. In the biological communities surrounding hydrothermal vents and cold seeps, extremophile bacteria provide the nutrients needed to sustain life by converting dissolved compounds, such as hydrogen sulphide and methane, to energy. Bacteria also live in symbiotic and parasitic relationsh ...
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Saprotrophic
Saprotrophic nutrition or lysotrophic nutrition is a process of chemoheterotrophic extracellular digestion involved in the processing of decayed (dead or waste) organic matter. It occurs in saprotrophs, and is most often associated with fungi (for example ''Mucor'') and soil bacteria. Saprotrophic microscopic fungi are sometimes called saprobes; saprotrophic plants or bacterial flora are called saprophytes ( sapro- 'rotten material' + -phyte 'plant'), although it is now believed that all plants previously thought to be saprotrophic are in fact parasites of microscopic fungi or other plants. The process is most often facilitated through the active transport of such materials through endocytosis within the internal mycelium and its constituent hyphae. states the purpose of saprotrophs and their internal nutrition, as well as the main two types of fungi that are most often referred to, as well as describes, visually, the process of saprotrophic nutrition through a diagram of hyph ...
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Streptomyces Ipomoea
''Streptomyces'' is the largest genus of Actinomycetota and the type genus of the family Streptomycetaceae. Over 500 species of ''Streptomyces'' bacteria have been described. As with the other Actinomycetota, streptomycetes are gram-positive, and have genomes with high GC content. Found predominantly in soil and decaying vegetation, most streptomycetes produce spores, and are noted for their distinct "earthy" odor that results from production of a volatile metabolite, geosmin. Streptomycetes are characterised by a complex secondary metabolism. They produce over two-thirds of the clinically useful antibiotics of natural origin (e.g., neomycin, streptomycin, cypemycin, grisemycin, bottromycins and chloramphenicol). The antibiotic streptomycin takes its name directly from ''Streptomyces''. Streptomycetes are infrequent pathogens, though infections in humans, such as mycetoma, can be caused by '' S. somaliensis'' and '' S. sudanensis'', and in plants can be caused by '' S. ...
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Streptomyces Niveiscabiei
''Streptomyces niveiscabiei'' is a streptomycete bacterium species known to cause potato common scab Common scab is a plant disease of root and tuber crops caused by a small number of '' Streptomyces'' species, specifically '' S. scabies'', '' S. acidiscabies'', '' S. turgidiscabies'' and others. Common scab mainly affects potato ... disease in Korea. Its type strain is S78T (=LMG 21392T =KACC 20254T). It has white, smooth, cylindrical spores that are borne in simple rectus flexuous spore-chains. References Further reading * *Khodakaramian, Gholam, Doost Morad Afari, and Pari Mohammad Javad Soleimani. "Diversity of streptomyces strains causing potato scab disease in Hamedan province and their thaxtomin production potential." Applied Entomology and Phytopathology (2011). * * External linksLPSN niveiscabiei Bacteria described in 2003 {{Streptomyces-stub ...
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Streptomyces Puniciscabiei
''Streptomyces puniciscabiei'' is a streptomycete bacterium species known to cause potato common scab disease in Korea. Its type strain is S77T (=LMG 21391T =KACC 20253T). It has purple-red, spiny spores that are borne in simple rectus flexuous spore-chains. References Further reading * *KHODAKARAMIAN, GHOLAM, DOOST MORAD ZAFARI, and PARI MOHAMMAD JAVAD SOLEIMANI. "DIVERSITY OF STREPTOMYCES STRAINS CAUSING POTATO SCAB DISEASE IN HAMEDAN PROVINCE AND THEIR THAXTOMIN PRODUCTION POTENTIAL." APPLIED ENTOMOLOGY AND PHYTOPATHOLOGY (2011). * * External links *LPSN puniciscabiei Bacteria described in 2003 {{Streptomyces-stub ...
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Streptomyces Luridiscabiei
''Streptomyces microflavus'' is a bacterium species from the genus of '' Streptomyces'' which has been isolated from soil. ''Streptomyces microflavus'' produces nemadectin, fattiviracin A1, milbemycin and deoxyuridines. ''Streptomyces microflavus'' also produces the ionophore valinomycin. ''Streptomyces microflavus'' is also known to cause potato common scab disease in Korea. See also * List of Streptomyces species A ''list'' is any set of items in a row. List or lists may also refer to: People * List (surname) Organizations * List College, an undergraduate division of the Jewish Theological Seminary of America * SC Germania List, German rugby union ... References Further reading * * * * * External linksType strain of ''Streptomyces microflavus'' at Bac''Dive'' - the Bacterial Diversity Metadatabase {{Taxonbar, from=Q26291237 microflavus Bacteria described in 1948 ...
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16S RNA
16 S ribosomal RNA (or 16 S rRNA) is the RNA component of the 30S subunit of a prokaryotic ribosome (SSU rRNA). It binds to the Shine-Dalgarno sequence and provides most of the SSU structure. The genes coding for it are referred to as 16S rRNA gene and are used in reconstructing phylogenies, due to the slow rates of evolution of this region of the gene. Carl Woese and George E. Fox were two of the people who pioneered the use of 16S rRNA in phylogenetics in 1977. Multiple sequences of the 16S rRNA gene can exist within a single bacterium. Functions * Like the large (23S) ribosomal RNA, it has a structural role, acting as a scaffold defining the positions of the ribosomal proteins. * The 3-end contains the anti- Shine-Dalgarno sequence, which binds upstream to the AUG start codon on the mRNA. The 3-end of 16S RNA binds to the proteins S1 and S21 which are known to be involved in initiation of protein synthesis * Interacts with 23S, aiding in the binding of the two ribosom ...
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Streptomyces Acidiscabies
''Streptomyces acidiscabies'' is a streptomycete bacterium species, causing a scab disease of potatoes. Its type strain is RL-110 (= ATCC 49003). References Further reading * *Zhao, W. Q., X. M. Yu, and D. Q. Liu. "First report of Streptomyces acidiscabies causing potato scab in China." New Disease Reports 19 (2009): 29. * * External links *LPSNType strain of ''Streptomyces acidiscabies'' at Bac''Dive'' - the Bacterial Diversity Metadatabase
acidiscabies Bacteria described in 1989 {{Streptomyces-stub ...
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Streptomyces Turgidiscabies
''Streptomyces turgidiscabies'' is a streptomycete bacterium species, causing scab in potatoes. It has flexuous spore In biology, a spore is a unit of sexual or asexual reproduction that may be adapted for dispersal and for survival, often for extended periods of time, in unfavourable conditions. Spores form part of the life cycles of many plants, algae, f ..., the latter which are cylindrical and smooth. The type strain is SY9113T (= ATCC 700248T = IFO 16080T). It is almost identical to '' Streptomyces reticuliscabiei''; however, they are considered distinct species given the diseases they cause are different. References Further reading *Joshi, Madhumita V., and Rosemary Loria. "Streptomyces turgidiscabies possesses a functional cytokinin biosynthetic pathway and produces leafy galls." Molecular plant-microbe interactions 20.7 (2007): 751–758. * *Thwaites, R., et al. "Streptomyces turgidiscabies and S. acidiscabies: two new causal agents of common scab of potato (S ...
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Streptomyces Griseosporeus
''Streptomyces griseosporeus'' is a bacterium species from the genus of '' Streptomyces''.Deutsche Sammlung von Mikroorganismen und Zellkulturen The Leibniz Institute DSMZ - German Collection of Microorganisms and Cell Cultures GmbH (German: ''Leibniz-Institut DSMZ-Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH''), located in Braunschweig, is a research infrastructure in th ...br>/ref> ''Streptomyces griseosporeus'' produces taitomycin, 2-amino-4-hydroxypentanonic acid and liposidomycins. See also * List of ''Streptomyces'' species References Further reading * * * * * * * External linksType strain of ''Streptomyces griseosporeus'' at Bac''Dive'' – the Bacterial Diversity Metadatabase griseosporeus Bacteria described in 1960 {{Streptomyces-stub ...
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Streptomyces Eurythermus
''Streptomyces eurythermus'' is a bacterium species from the genus of '' Streptomyces'' which has been isolated from soil from Cuanza in Angola.Deutsche Sammlung von Mikroorganismen und Zellkulturen The Leibniz Institute DSMZ - German Collection of Microorganisms and Cell Cultures GmbH (German: ''Leibniz-Institut DSMZ-Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH''), located in Braunschweig, is a research infrastructure in th ...br>/ref> ''Streptomyces eurythermus'' produces pentenomycin I, pentenomycin II and angolamycin. See also * List of ''Streptomyces'' species References Further reading * * * * External linksType strain of ''Streptomyces eurythermus'' at Bac''Dive'' - the Bacterial Diversity Metadatabase eurythermus Bacteria described in 1957 {{Streptomyces-stub ...
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Streptomyces Diastatochromogenes
''Streptomyces diastatochromogenes'' is a bacterium species from the genus of '' Streptomyces''. ''Streptomyces diastatochromogenes'' produces polyketomycin, concanamycin A, concanamycin B, concanamycin C, momofulvenone A, azdimycin, toyocamycin and oligomycins Oligomycins are macrolides created by '' Streptomyces'' that can be poisonous to other organisms. Function They have use as antibiotics. Oligomycin A is an inhibitor of ATP synthase. In oxidative phosphorylation research, it is used to prevent .... See also * List of ''Streptomyces'' species References Further reading * * * * * * * * * * * * * * External linksType strain of ''Streptomyces diastatochromogenes'' at Bac''Dive'' - the Bacterial Diversity Metadatabase diastatochromogenes Bacteria described in 1948 {{Streptomyces-stub ...
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