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Bacterium in Biological Dictionary

Virulence

... ... The virulence of a microorganism (such as a bacterium or virus) is a measure of ... Virulence ... family of virulence factors that make the bacterium responsible for the ... Other hypotheses ... family of virulence factors that make the bacterium responsible for the plague ... Microbial Drug ...

Escherichia coli

... Escherichia coli , is a Gram negative bacterium that is commonly found in the lower intestine ... coli O157:H7, one of hundreds of strains of the bacterium Escherichia coli , is ... If feasible, young ... Escherichia coli (also called E. coli ) is a bacterium that can cause serious infections. ... some ...

Bacillus

... bacillus , is a Gram-positive, catalase-positive bacterium commonly found in soil. A member of the genus ... subtilis is a ubiquitous, saprophytic, soil bacterium which is thought ... The genus Bacillus ... and risks associated ... is produced by the bacterium Bacillus thuringiensis (called "Bt") that has ...

Bacillus thuringiensis

... and risks associated ... is produced by the bacterium Bacillus thuringiensis (called "Bt") that has ... (B.t.) is a naturally-occurring soil bacterium that ... Pesticide fact sheet for Bacillus ... Bacillus thuringiensis (Bt) is a ubiquitous. bacterium that forms crystals containing insec ... Shop ...

Taq polymerase

... is a thermostable DNA polymerase named after the thermophilic bacterium Thermus aquaticus from which it was originally isolated by Thomas D. Brock ... polymerase is a DNA polymerase (enzyme) isolated from the heat-tolerant bacterium Thermus aquaticus Taq DNA Polymerase is the most common polymerase ...

Streptavidin

... Streptavidin is a 52,800 dalton tetrameric protein purified from the bacterium Streptomyces avidinii. It finds wide use in molecular biology through ... Streptavidin is a 53,000 dalton tetrameric protein purified from the bacterium ... This Cell Signaling Technology product is useful for the detection ...

Shigella

... disease in primates, but not in ... General information about the bacterium including infection, transmission, immunity and vaccines, incidences, ... genus Shigella , which includes some species that Shigella is a bacterium that belongs to a small group of pathogens (including E. coli O157:H7 and ....

Photoautotroph

... ... Genetic Manipulation of Carotenoid Biosynthesis in the Green Sulfur bacterium ... bacterium Chlorobium tepidum is a strict anaerobe and an obligate photoautotroph ....

Hfr cell

... An hfr cell is a bacterium with a conjugative plasmid integrated into its genomic DNA. Hfr is the ... Online Reference Guide ... A hfr cell (also called hfr strain) is a bacterium with a conjugative plasmid ... ... transfer begins in the middle of ...

Cocci

... whose overall shape is spherical or nearly spherical. Describing a bacterium as a coccus, or sphere, distinguishes it from bacillus, or rod. This is ... Neisseriaceae comprises the genera ... coccus n. , pl. cocci . A bacterium having a spherical or spheroidal shape. Botany. A division containing a ...

Transduction

... Transduction is the process by which DNA is transferred from one bacterium to another by a virus. It also refers to the process whereby foreign DNA is introduced into another cell via a viral vector. This is a common .....

Tet resistance

... Analysis of tetracycline resistance tet (W) genes and their flanking sequences in ... Tetracycline Resistance Gene tet (W) in the Pathogenic bacterium ... Mechanisms of resistance for characterized tet and otr genesa ... Distribution of tet resistance genes among gram-negative bacteriaa .....

T lymphocytes

... a solid tumor in order to fight it. ... How is a tumour destroyed by T lymphocytes ? ... When an individual is challenged by a virus, a bacterium or any other infectious agent, several classes of white blood cells are being activated in order to fight ... ... wherein freshly isolated ...

Spirilla

... spirilla . ... Allergy, Alloy, Alternative Energy Sources, Alternative Medicine, Aluminum Family, Alzheimer's Disease, ... Spirilla : A type of bacterium with a spiral shape. ... spirilla : curved walls. ability to form spores ... They are all Gram-negative but come in every shape (rods, cocci, ...

Repressor

... of genes coding for proteins involved in the metabolism of lactose in bacteria. It is active in the absence of lactose, ensuring that the bacterium ... The lac operon and its repressor illustrate the effects of negative regulation ... When the lac repressor protein is bound to the ...

Phagocyte

... Phagocytes are the white blood cells that protect the body by ingesting ... Then the phagocyte stretches itself around the bacterium and engulfs it. ... Phagocytes are the white blood cells that protect the ... When there is an infection, phagocytes move to the bacteria ...

Pathogen

... can invade a host; the principal pathways ... pathogen n. An agent that causes disease, especially a living microorganism such as a bacterium or ... The term pathogen is usually restricted to living agents, ... Pathogen Transmission Pathogens are microorganisms such as viruses , ...

Multi-gene family

... members of the antiapoptotic BCL family " ... to clone members of a multi - gene family , homologous genes from different species, ... ... bacterium Pseudoalteromonas haloplanktis TAC 125: molecular characterization and gene cloning. Recombinant ... multi - gene family : isolation and ... ....

Microbial mats

... mats that trap dirt and debris and are constructed with an environmentally safe, anti-bacterial agent that does not ... A new type of heat-loving bacterium has been discovered in the colorful microbial mats around the hot springs of Yellowstone National Park. ... their intense physiological ...

Megabase cloning

... megabase , megabase cloning , megacalycosis. Contact us ... Cloning the whole 3.5- megabase (Mb) genome of the photosynthetic bacterium ... Our megasize DNA cloning method, designated megacloning, may be generally ... The mondofacto dictionary is a searchable dictionary of terms ...

Lac repressor

... of genes coding for proteins involved in the metabolism of lactose in bacteria. It is active in the absence of lactose, ensuring that the bacterium ... The lac operon is an operon required for the transport and metabolism of lactose in Escherichia coli and some other enteric ....

Endosymbiont

... /wiki/ endosymbiont " ... The most important characteristic of plants is their ability to photosynthesize, in effect, make their own food by ... bacterium as an endosymbiont . ... Although the secondary endosymbiont of tsetse flies (Sodalis glossinidius) has ... Phylogenetic analysis and taxonomic ...

Endosymbiosis

... on legume roots, single-celled algae inside reef-building corals, and ... Primary endosymbiosis involves the engulfment of a bacterium by another free ... The process of secondary endosymbiosis left its evolutionary signature within ... Discusses the evolution of ...

Endophyte

... An endophyte is an endosymbiont, often a bacterium or fungus, that lives within a plant for at least part of its life without causing apparent disease. Endophytes are ubiquitous and have been found ...

Cyanobacteria

... ... Cyanobacteria get their name from the bluish pigment phycocyanin, which they use ... cyanobacterium n. , pl. -teria . A photosynthetic bacterium of the class Coccogoneae or Hormogoneae, generally blue-green in color and in some Species usage, concept, and evolution in the cyanobacteria ...

Conjugation tube

... hybridisation. inflection ... pilus n. , pl. -li ( ). A hair or hairlike structure, especially on the surface ... Conjugation occurs when one bacterium forms a pilus which is inserted into ... conjugation n. The act of conjugating. The state of being conjugated . Grammar. ... conjugation ...

Bacteriophage lambda

... lysogenic cycle when it first ... BACTERIOPHAGE LAMBDA . LAMBDA is a tailed bacteriophage with a linear dsDNA genome characterized by ... bacterium is protected from superinfection by lambda . ... ... of primary products of bacteriophage lambda recombination; Huisman O et al. ... product ...

Antimicrobial agent

... agents act by interfering with (1) cell wall synthesis, (2) ... Antimicrobial agents may be either bactericidal, killing the target bacterium or ... Although antimicrobial agents still don't save all patients, they have ... to help guide the selection of the most appropriate ...

Antibiotic

... usage Resources Antibiotics Definition Antibiotics may be informally Antibiotic Resistance Antibiotic resistance is the ability of a bacterium or other microorganism to survive and reproduce in the presence of Antibiotics are one class of "antimicrobials", a larger group which also ......

Antibiotic resistance

... & Prevention. ... and Answers about Antibiotic Resistance ... Antibiotic Resistance Antibiotic resistance is the ability of a bacterium or other microorganism to survive and reproduce in the presence of US FDA provides information on disease-causing organisms that have become ...

Ames test

... online encyclopedia article on Ames test (biochemistry), ... can be tested by assessing their ability to induce mutations in a bacterium ... ...
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