bacteria

(Diş Hekimliği) bitkisel kökenli oldukları iddia edilen tek hücreli patojen mikroorganizmalara verilen genel ad. Şekillerine göre bakteri tipleri: basil - çomak şeklinde.( Bacillus bacteria ) ; biplokok - çift yuvarlak (diplococcus bacteria); spiral, spiril - helezoni

Englisch - Englisch

Definition von bacteria im Englisch Englisch wörterbuch: A type, species, or strain of bacterium; plural form of bacterium; Alternative form of bacterium; An oval bacterium, as distinguished from a spherical coccus or rod-shaped bacillus; A derisive term for a lowlife or a slob (could be treated as plural or singular); One celled microorganisms which do not have a nuclear membrane; A small, single-celled living organism that has DNA and can replicate its own DNA without the help of a host cell Some bacteria are helpful to humans, such as those that live in our stomach and help with digestion, while some are harmful, releasing toxins or poisonous waste products; microorganisms with prokaryotic cell organization (lacking membrane-bounded nucleus and other specialized features); bacteria are also typically much smaller than fungi (molds); microbiology, plural of bacterium; plural of bacterium Tiny, one-cell organisms of the class Schizomycetes There is a vast assortment of bacteria, including many parasites; A group of prokaryotic single-celled microorganisms that constitute the Bacteria phylogenetic domain Unlike archaea, their cell walls have murein, a peptidoglycan-containing muramic acid Bacteria may have spherical (coccus), rod-like (bacillus), or curved (vibrio, spirillum, or spirochete) bodies They inhabit virtually all environments, including soil, water, organic matter, and the bodies of eukaryotes; Single-celled organisms that multiply by cell division and can cause disease in humans, plants, or animals Examples include anthrax, cholera, plague, tularemia, and Q fever; A group of universally distributed, rigid, essentially unicellular microscopic organisms lacking chlorophyll Some bacteria can aid in pollution control by consuming or breaking down organic matter in sewage or by similarly acting on oil spills or other water pollutants Bacteria in soil, water, or air can also cause human, animal, and plant health problems; Tiny one-celled organisms present throughout the environment Some bacteria cause disease (like diphtheria, tetanus, and typhoid fever); Invisible single-cell organisms of various forms, some of which can cause infections or disease; Simple single celled prokaryotic organisms Many different species of bacteria exist Some species of bacteria can be pathogenic causing disease in larger more complex organisms Many species of bacteria play a major role in the cycling of nutrients in ecosystems through aerobic and anaerobic decomposition Finally, some species form symbiotic relationships with more complex organisms and help these lifeforms survive in the environment by fixing atmospheric nitrogen; Single-celled microorganisms Bacteria of the coliform group are considered the primary indicators of fecal contamination and are often used to assess water quality; A single-celled organism Bacteria are found throughout nature and can be beneficial or harmful 1; Single-celled microorganisms, about one micrometer (one thousand nanometers) across; Bacteria are very small organisms. Some bacteria can cause disease. Chlorine is added to kill bacteria. very small living things, some of which cause illness or disease virus (bakterion ; because of their shape). Group of microscopic, single-celled organisms that are prokaryotes. They may have spherical, rodlike, or spiral shapes. They inhabit virtually all environments, including soil, water, organic matter, and the bodies of multicellular animals. Different types are distinguished in part by the structure of their cell walls, which is determined by gram stain. Many bacteria swim by means of flagella (see flagellum). The DNA of most bacteria is found in a single circular chromosome and is distributed throughout the cytoplasm rather than contained within a membrane-enclosed nucleus. Though some bacteria can cause food poisoning and infectious diseases in humans, most are harmless and many are beneficial. They are used in various industrial processes, especially in the food industry (e.g., the production of yogurt, cheeses, and pickles). Bacteria are divided into eubacteria and archaebacteria. See also budding bacteria, coliform bacteria, cyanobacteria, denitrifying bacteria, nitrifying bacteria, sheathed bacteria, sulfur bacteria. budding bacteria coliform bacteria denitrifying bacteria nitrifying bacteria sheathed bacteria sulfur bacteria; Single-celled organisms, free-living or parasitic, that break down the wastes and bodies of dead organisms, making their components available for reuse by other organisms; (Plural for bacterium) Tiny microorganisms that reproduce by cell division and usually have a cell wall Bacteria can be shaped like a sphere, rod, or spiral and can be found in virtually any environment; any of numerous unicellular microorganisms of the class Schizomycetes, occurring in a wide variety of forms, existing either as free-living organisms or parasites, and having a wide range of biochemical, often pathogenic properties Some bacteria are capable of causing human, animal or plant diseases; others are essential in pollution control because they break-down organic matter in air and water; One-celled microorganisms that are either free-living or parasitic, some of which may cause illness in humans and/or animals; microscopic one-celled organisms which live everywhere and perform a variety of functions While decomposing organic matter in water, bacteria can greatly reduce the amount of oxygen in the water; {i} small microscopic organisms made of only one cell; Microorganisms that break down organic materials in the first stages of composting It is bacteria that generate the heat associated with hot composting The three types of bacteria are psychrophilic, mesophyllic, and thermophilic; (microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered plants; (bio) Any of numerous single-celled micro-organisms occurring in a wide variety of forms, existing either as free-living organisms or as parasites, having a wide range of biochemical properties Bacteria are necessary for DIGESTION and FERMENTATION (Singular: bacterium) F - bacteries S - bacteria; Bacteria are single-celled organisms that live in and around us Bacteria may be helpful, but in certain conditions may cause illnesses such as strep throat, most inner ear infections, and bacterial pneumonia Pl a unicellular prokaryotic organism that usually multiplies by cell division and has a cell wall that provides a constancy of form They may also be aerobic or anaerobic, motile or non-motile and free-living, saprophytic, parasitic or pathogenic; Single-celled microorganisms of various forms, some of which are undesirable or potentially disease-causing Bacteria are controlled by chlorine, bromine or other sanitizing and disinfecting agents; Single-celled organisms which are generally undesirable in beer Bacterial contamination can result in sour, musty, or vegetable-like flavors in beer, and can cause bottles to gush when opened, or (in extreme cases) even explode Fortunately, most bacteria do not like hops, alcohol, or low pH -- all of which are present in finished beer Certain unusual styles of beer (e g Lambic, Oud Bruin, Berlineer Weisse) actually rely on bacterial fermentation for their unique tart character; Single-celled organisms that multiply by cell division and can cause disease in humans, plants or animals Examples include anthrax, cholera, plaque, tularemia and Q fever (DPC); A class of single-celled microscopic organisms
bacteria bed: layer of sand or gravel used to expose sewage effluent to air and the action of microorganisms
bacteria family: a family of bacteria
bacteria genus: a genus of bacteria
bacteria order: an order of bacteria
bacteria species: a species of bacteria
bacterium: A single celled organism with no nucleus
sulfur bacteria: plural form of sulfur bacterium
bacterium: a microbe
bacterium: They are very widely diffused in nature, and multiply with marvelous rapidity, both by fission and by spores
bacterium: Any of a large group of microscopic organisms with a very simple cell structure Some manufacture their own food, some live as parasites on other organisms, and some live on decaying matter
bacterium: (microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered plants
bacterium: A single-celled, microscopic organism without a distinct nucleus
bacterium: A microscopic organism composed of a single cell Many but no all bacteria cause disease
bacterium: a simple single-celled microorganism Bacteria are classified by their shape (e g , rod, spirochete), staining properties (Gram positive or Gram negative) and habitat (aerobic, anaerobic) Many types of bacteria are pathogenic in humans
bacterium: A structurally simple single cell with no nucleus One bacterium, Bacillus thuringiensis, produces a protein toxic to certain destructive insects Having plants produce this protein after genetic engineering is a form of built-in pest-resistant in plants Bacterium: - Any of a large group of microscopic organisms with a very simple cell structure Some manufacture their own food, some live as parasites on other organisms, and some live on decaying matter
bacterium: Unicellular micro-organisms characterised by a plasmic membrane, lined with a rigid wall of a lipidic, proteinic and polysacchardic nature Its nucleus, devoid of a membrane, has only one chromosome, comprised of one DNA molecule, folded over on itself Bacteria reproduce by splitting There are several types of bacteria but the two principal ones are microbes - rounded in shape - and bacilli -shaped like small rods
bacterium: An organism consisting of one simple cell Bacteria occur naturally almost everywhere on earth including soil, skin, on plants and many foods
bacterium: A microscopic organism composed of a single cell Many but not all bacteria cause disease
bacterium: Certain species are active agents in fermentation, while others appear to be the cause of certain infectious diseases
bacterium: The singular form of bacteria
bacterium: (bacteria)Single-celled microorganism Most common life form on earth
bacterium: a specialized form of virus which does not attach to a specific file Usage obscure
bacterium: a single celled organism with no nucleus or organelles
bacterium: (bacteria) A single-celled, microscopic organism existing in many forms, some of which are disease causing biochemistry The chemistry of living organisms bronchitis Inflammation of the bronchial tubes
bacterium: Any of numerous unicellular microorganisms of the class Schizomycetes, occurring in a wide variety of forms, existing either as free-living organisms or as parasites, and having a wide range of biochemical, often pathogenic, properties
bacterium: Bacteria are destitute of chlorophyll, and are the smallest of microscopic organisms
bacterium: Cellular microorganisms, spheric (cocci) , elongated (bacillus) or spiral, without nuclear membrane which can participate to : Nitrogen cycle , fixing air nitrogen and converting organic nitrogen Carbon cycle , generating humic acids Sulphur cycle , by phosphate solubilization Organic material mineralization Some bacteria can transform cellulose (cellvibrio) , pectine, starch …
bacterium: {i} singular form of bacteria
bacterium: Any microorganism of the class Schizomycetes; composed of several structures, including a nucleus, cytoplasm and cytoplasmic membrane, cell wall, and capsule Motile forms may have flagella Some of these one-celled organisms cause diseases
bacterium: A major class of microscopic (0 5-2 0 micron) motile or non-motile, unicellular organisms, the smallest living things able to reproduce themselves, achieved mainly by each cell dividing into two The genetic code is carried in a tangled coil of DNA known as the bacterial chromosome
bacterium: Bacterium is the singular of bacteria
bacterium: A microscopic vegetable organism, belonging to the class Algæ, usually in the form of a jointed rodlike filament, and found in putrefying organic infusions
bacterium: A microscopic living organism found in soil, water, or air While mostly beneficial, some bacteria can harm humans, animals, and plants Bacteria can aid in pollution control by breaking down organic matter found in sewage, or by consuming oil or other water pollutants
bacterium: (bacteria) See germ
budding bacteria: Group of bacteria that reproduce by budding. Each bacterium divides following unequal cell growth; the mother cell is retained, and a new daughter cell forms. In budding, the cell wall grows from one point on the cell rather than throughout the cell; this type of growth permits the development of more complex structures and processes. Most budding bacteria are aquatic and can attach to surfaces by their stalks; some are free-floating
coliform bacteria: Rod-shaped bacteria usually found in the intestinal tracts of animals, including humans. Coliform bacteria do not require but can use oxygen, and they do not form spores. They produce acid and gas from the fermentation of lactose sugar. Their presence in the water supply indicates recent contamination by human or animal feces. Chlorination is the most common preventive water treatment
denitrifying bacteria: Soil microorganisms whose action results in the conversion of nitrates in soil to free atmospheric nitrogen, thus exhausting soil fertility and reducing agricultural productivity. Without denitrification, earth's nitrogen supply would eventually accumulate in the oceans, since nitrates are highly soluble and are continuously leached from the soil into nearby bodies of water. See also nitrifying bacteria
endospore-forming bacteria: a group of true bacteria
enteric bacteria: rod-shaped gram-negative bacteria; most occur normally or pathogenically in intestines of humans and other animals
nitric bacteria: soil bacteria that convert nitrites to nitrates
nitrifying bacteria: Small group of oxygen-requiring bacteria that use nitrogen as an energy source. These microorganisms are important in the nitrogen cycle as converters of soil ammonia to nitrates, compounds usable by plants. The nitrification process requires two distinct groups: bacteria that convert ammonia to nitrites, and bacteria that convert nitrites to nitrates. In agriculture, irrigation with dilute solutions of ammonia results in an increase in soil nitrates through the action of nitrifying bacteria. See also denitrifying bacteria
penicillin-resistant bacteria: bacteria that are unaffected by penicillin
phototrophic bacteria: green and purple bacteria; energy for growth is derived from sunlight; carbon is derived from carbon dioxide or organic carbon
potato scab bacteria: cause of a potato disease characterized by brownish corky tissue
purple bacteria: free-living Gram-negative pink to purplish-brown bacteria containing bacteriochlorophyll
ring rot bacteria: causes brown rot in tomatoes and potatoes and tobacco etc
sheathed bacteria: Group of bacteria found widely in nature in slow-running water. Many species are attached to underwater surfaces. They are characterized by a threadlike, branching arrangement of cells enclosed in a sheath. The sheaths of some are variously encrusted with iron or manganese oxides, depending on the water. One of the best-known is a common species, Sphaerotilus natans; in polluted water it has thin, colourless sheaths, and in unpolluted water containing iron it has yellow-brown, iron-encrusted sheaths that often grow into long slimy tassels
sulfur bacteria: Any of a diverse group of bacteria that are capable of metabolizing sulfur and its compounds and are important in the sulfur cycle. Members of the genus Thiobacillus, widespread in marine and terrestrial habitats, react with sulfur to produce sulfates useful to plants; in deep ground deposits they generate sulfuric acid, which dissolves metals in mines and corrodes concrete and steel. Desulfovibrio desulficans reduces sulfates in waterlogged soils and sewage to hydrogen sulfide, a gas with the common rotten-egg odour

bacteria

Silbentrennung

bac·te·ri·a

Türkische aussprache

bäktîriı

Synonyme

bacilli, germs, microbes, organisms, pathogens

Aussprache

/bakˈtərēə/ /bækˈtɪriːə/

Etymologie

() From New Latin bacteria, plural of bacterium, from Ancient Greek βακτήριον (baktērion), neuter diminutive of βακτηρία (baktēria, “rod, stick”).

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