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A growth medium or culture medium is a liquid or gel designed to support the growth of microorganisms or cells, or small plants like the moss Physcomitrella patens. [1]

100 relations: Agar, Agar plate, Alcaligenes, Allele, Amino acid, Ammonium, Ampicillin, Anaerobic organism, Antibiotics, Antimicrobial resistance, Auxotrophy, Bacillus, Bacteria, Bacterial conjugation, Baird–Parker agar, Beer, Buffered charcoal yeast extract agar, Carbon, Cell (biology), Cell culture, Chemically defined medium, Chocolate agar, Colloid, Cytokinin, Cytophaga, Eosin, Eosin methylene blue, Escherichia coli, Eukaryote, Fermentation in food processing, Flavobacterium, Ganciclovir, Gellan gum, Gene, Genetic marker, Genomics, Glucose, Glycerol, Gram-negative bacteria, Group A streptococcal infection, Growth factor, Hektoen enteric agar, Herpes simplex virus, Hormone, In vivo, Inorganic compound, Karyotype, Lac operon, Legionella pneumophila, Lysogeny broth, ..., MacConkey agar, Magnesium, Mannitol salt agar, Media dispenser, Metabolite, Methylene blue, Microbiological culture, Microorganism, Mold, Moss, Neomycin, Neutral red, Nitrate, Nitrogen, Nucleic acid, Nutrient agar, Parasitism, Petri dish, PH, Phenol red, Phosphorus, Physcomitrella patens, Plant, Plate count agar, Proline, Protein, Pseudomonas, Ralf Reski, Recombinant DNA, Salt, Serum (blood), Staphylococcus, Streptococcus, Succinic acid, Sugar, Sulfur, Suspension (chemistry), Tetracycline, Thioglycolate broth, Transfection, Trypticase soy agar, Unicellular organism, Vibrio cholerae, Virus, Wort, X-gal, XLD agar, Yeast, Yeast extract, YM (selective medium). Expand index (50 more) »


Agar (pronounced,, "") or agar-agar ("") is a jelly-like substance, obtained from algae.

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Agar plate

An agar plate is a Petri dish that contains a growth medium (typically agar plus nutrients) used to culture microorganisms or small plants like the moss Physcomitrella patens.

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Alcaligenes is a genus of Gram-negative, aerobic, rod-shaped bacteria.

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An allele, or allel, is one of a number of alternative forms of the same gene or same genetic locus.

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Amino acid

Amino acids are biologically important organic compounds containing amine (-NH2) and carboxylic acid (-COOH) functional groups, usually along with a side-chain specific to each amino acid.

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The ammonium cation is a positively charged polyatomic ion with the chemical formula NH4+.

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Ampicillin is an antibiotic used to prevent and treat a number of bacterial infections.

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Anaerobic organism

An anaerobic organism or anaerobe is any organism that does not require oxygen for growth.

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Antibiotics or antibacterials are a type of antimicrobial used in the treatment and prevention of bacterial infection.

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Antimicrobial resistance

Antimicrobial resistance (AMR) is when microbes are less treatable with one or more medication used to treat or prevent infection.

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Auxotrophy (Gr. αὐξάνω "to increase"; τροφή "nourishment") is the inability of an organism to synthesize a particular organic compound required for its growth (as defined by IUPAC).

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Bacillus is a genus of Gram-positive, rod-shaped (bacillus) bacteria and a member of the phylum Firmicutes.

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Bacteria (singular: bacterium) constitute a large domain of prokaryotic microorganisms.

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Bacterial conjugation

Bacterial conjugation is the transfer of genetic material between bacterial cells by direct cell-to-cell contact or by a bridge-like connection between two cells.

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Baird–Parker agar

Baird–Parker agar is a type of agar used for the selective isolation of gram-positive Staphylococci species.

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Beer is an alcoholic beverage produced by the saccharification of starch and fermentation of the resulting sugar.

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Buffered charcoal yeast extract agar

Buffered charcoal yeast extract (BCYE) agar is a selective growth medium used to culture or grow certain bacteria, particularly the Gram-negative species Legionella pneumophila.

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Carbon (from carbo "coal") is a chemical element with symbol C and atomic number 6.

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Cell (biology)

The cell (from Latin cella, meaning "small room") is the basic structural, functional, and biological unit of all known living organisms.

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Cell culture

Cell culture is the process by which cells are grown under controlled conditions, generally outside of their natural environment.

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Chemically defined medium

A chemically defined medium is a growth medium suitable for the in vitro cell culture of human or animal cells in which all of the chemical components are known.

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Chocolate agar

Chocolate agar (CHOC) or chocolate blood agar (CBA) - is a non-selective, enriched growth medium used for isolation of.

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A colloid, in chemistry, is a substance in which one substance of microscopically dispersed insoluble particles is suspended throughout another substance.

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Cytokinins (CK) are a class of plant growth substances (phytohormones) that promote cell division, or cytokinesis, in plant roots and shoots.

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Cytophaga is a genus of Gram-negative, gliding, rod-shaped bacteria.

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Eosin is a fluorescent acidic / negative compound that binds to and forms salts with basic, or eosinophilic, compounds containing positive charges (such as proteins that are basic / positive due to the presence of amino acid residues such as Arginine and Lysine) and stains them dark red or pink as a result of the actions of bromine on fluorescein.

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Eosin methylene blue

Eosin Methylene Blue (EMB, also known as "Levine's formulation") is a selective stain for Gram-negative bacteria.

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Escherichia coli

Escherichia coli (also known as E. coli) is a Gram-negative, facultatively anaerobic, rod-shaped bacterium of the genus Escherichia that is commonly found in the lower intestine of warm-blooded organisms (endotherms).

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A eukaryote (or or) is any organism whose cells contain a nucleus and other organelles enclosed within membranes.

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Fermentation in food processing

Fermentation in food processing is the conversion of carbohydrates to alcohols and carbon dioxide or organic acids using yeasts, bacteria, or a combination thereof, under anaerobic conditions.

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Flaviobacterium is a genus of Gram-negative, non-motile and motile, rod-shaped bacteria that consists of 130 recognized species (http://www.bacterio.net/flavobacterium.html), as well as three newly proposed species (F. gondwanense, F. salegens, and F. scophthalmum).

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Ganciclovir (INN) or DHPG (9-(1,3-dihydroxy-2-propoxymethyl)guanine, alternative spelling: "Gancyclovir") is an antiviral medication used to treat cytomegalovirus (CMV) infections.

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Gellan gum

Gellan gum is a water-soluble anionic polysaccharide produced by the bacterium Sphingomonas elodea (formerly Pseudomonas elodea).

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A gene is a locus (or region) of DNA that encodes a functional RNA or protein product, and is the molecular unit of heredity.

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Genetic marker

A genetic marker is a gene or DNA sequence with a known location on a chromosome that can be used to identify individuals or species.

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Genomics is a discipline in genetics that applies recombinant DNA, DNA sequencing methods, and bioinformatics to sequence, assemble, and analyze the function and structure of genomes (the complete set of DNA within a single cell of an organism).

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Glucose is a sugar with the molecular formula C6H12O6.

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Glycerol (also called glycerine or glycerin; see spelling differences) is a simple polyol (sugar alcohol) compound.

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Gram-negative bacteria

Gram-negative bacteria are a group of bacteria that do not retain the crystal violet stain used in the Gram staining method of bacterial differentiation, making positive identification possible.

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Group A streptococcal infection

A group A streptococcal infection is an infection with group A streptococcus (GAS), that is, Streptococcus pyogenes, the sole species constituting Lancefield group A. This beta-hemolytic species of bacteria is responsible for a wide range of both invasive and noninvasive infections.

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Growth factor

A growth factor is a naturally occurring substance capable of stimulating cellular growth, proliferation, healing, and cellular differentiation.

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Hektoen enteric agar

Hektoen enteric agar (HEK or HE or HEA) is a selective and differential agar primarily used to recover Salmonella and Shigella from patient specimens.

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Herpes simplex virus

Herpes simplex virus 1 and 2 (HSV-1 and HSV-2), also known as human herpesvirus 1 and 2 (HHV-1 and HHV-2), are two members of the herpesvirus family, Herpesviridae, that infect humans.

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A hormone (from Greek ὁρμή, "impetus") is any member of a class of signaling molecules produced by glands in multicellular organisms that are transported by the circulatory system to target distant organs to regulate physiology and behaviour.

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In vivo

Studies that are in vivo (Latin for "within the living"; often not italicized in English) are those in which the effects of various biological entities are tested on whole, living organisms usually animals including humans, and plants as opposed to a partial or dead organism, or those done in vitro ("within the glass"), i.e., in a laboratory environment using test tubes, petri dishes etc.

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Inorganic compound

An inorganic compound is a compound that is considered not "organic".

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A karyotype (from Greek κάρυον karyon, "kernel", "seed", or "nucleus", and τύπος typos, "general form") is the number and appearance of chromosomes in the nucleus of a eukaryotic cell.

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Lac operon

lac operon (lactose operon) is an operon required for the transport and metabolism of lactose in Escherichia coli and many other enteric bacteria.

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Legionella pneumophila

Legionella pneumophila is a thin, aerobic, pleomorphic, flagellated, non-spore forming, Gram-negative bacterium of the genus Legionella.

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Lysogeny broth

Lysogeny broth (LB), a nutritionally rich medium, is primarily used for the growth of bacteria.

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MacConkey agar

MacConkey agar is a selective and differential culture medium for bacteria designed to selectively isolate Gram-negative and enteric (normally found in the intestinal tract) bacilli and differentiate them based on lactose fermentation.

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Magnesium is a chemical element with symbol Mg and atomic number 12.

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Mannitol salt agar

Mannitol salt agar or MSA is a commonly used selective and differential growth medium in microbiology.

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Media dispenser

A media dispenser or a culture media dispenser is a device for repeatedly delivering small fixed volumes (typically between 1 ml and 50 ml) of liquid such as a laboratory growth medium like molten agar or caustic or volatile solvents like toluene into a series of receptacles (Petri dishes, test tubes, Fernbach flasks, etc.). It is often important that such dispensers operate without biological or chemical contamination, and so must be internally sealed from the environment and designed for easy cleaning and sterilization before use.

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Metabolites are the intermediates and products of metabolism.

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Methylene blue

Methylene blue (CI 52015) is a heterocyclic aromatic chemical compound with the molecular formula C16H18N3SCl.

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Microbiological culture

A microbiological culture, or microbial culture, is a method of multiplying microbial organisms by letting them reproduce in predetermined culture media under controlled laboratory conditions.

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A microorganism (from the μικρός, mikros, "small" and ὀργανισμός, organismós, "organism") is a microscopic living organism, which may be single celled or multicellular.

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A mold or mould is a fungus that grows in the form of multicellular filaments called hyphae.

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Mosses are small flowerless plants that usually grow in dense green clumps or mats, in damp or shady locations.

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Neomycin is an aminoglycoside antibiotic found in many topical medications such as creams, ointments, and eyedrops.

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Neutral red

Neutral red (toluylene red, Basic Red 5, or C.I. 50040) is a eurhodin dye used for staining in histology.

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Nitrate is a polyatomic ion with the molecular formula NO3− and a molecular mass of 62.0049 g/mol.

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Nitrogen is a chemical element with symbol N and atomic number 7.

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Nucleic acid

Nucleic acids are biopolymers, or large biomolecules, essential for all known forms of life.

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Nutrient agar

Nutrient agar is a general purpose medium supporting growth of a wide range of non-fastidious organisms.

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In biology/ecology, parasitism is a non-mutual symbiotic relationship between species, where one species, the parasite, benefits at the expense of the other, the host.

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Petri dish

A Petri dish (sometimes spelled "Petrie dish" and alternatively known as a Petri plate or cell-culture dish), named after the German bacteriologist Julius Richard Petri, is a shallow cylindrical glass or plastic lidded dish that biologists use to culture cellssuch as bacteriaor small mosses.

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In chemistry, pH is a numeric scale used to specify the acidity or alkalinity of an aqueous solution.

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Phenol red

Phenol red (also known as phenolsulfonphthalein or PSP) is a pH indicator frequently used in cell biology laboratories.

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Phosphorus is a chemical element with symbol P and atomic number 15.

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Physcomitrella patens

Physcomitrella patens is a moss (bryophyte) used as a model organism for studies on plant evolution, development and physiology.

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Plants, also called green plants, are multicellular eukaryotes of the kingdom Plantae.

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Plate count agar

Plate Count Agar (PCA), also called Standard Methods Agar (SMA), is a microbiological growth medium commonly used to assess or to monitor "total" or viable bacterial growth of a sample.

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Proline (abbreviated as Pro or P) is an α-amino acid, one of the twenty main amino acids.

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Proteins are large biomolecules, or macromolecules, consisting of one or more long chains of amino acid residues.

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Pseudomonas is a genus of Gram-negative, aerobic gammaproteobacteria, belonging to the family Pseudomonadaceae containing 191 validly described species.

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Ralf Reski

Ralf Reski (born 18 November 1958 in Gelsenkirchen) is a German Professor of Plant Biotechnology and former Dean of the Faculty of Biology of the University of Freiburg.

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Recombinant DNA

Recombinant DNA (rDNA) molecules are DNA molecules formed by laboratory methods of genetic recombination (such as molecular cloning) to bring together genetic material from multiple sources, creating sequences that would not otherwise be found in the genome.

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Common salt is a mineral composed primarily of sodium chloride (NaCl), a chemical compound belonging to the larger class of salts; salt in its natural form as a crystalline mineral is known as rock salt or halite.

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Serum (blood)

In blood, the serum is the component that is neither a blood cell (serum does not contain white or red blood cells) nor a clotting factor; it is the blood plasma not including the fibrinogens.

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Staphylococcus (from the σταφυλή, staphylē, "grape" and κόκκος, kókkos, "granule") is a genus of Gram-positive bacteria.

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Streptococcus is a genus of coccus (spherical) gram-positive bacteria belonging to the phylum Firmicutes and the Lactobacillales (lactic acid bacteria) order.

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Succinic acid

Succinic acid (IUPAC systematic name: butanedioic acid; historically known as spirit of amber) is a diprotic, dicarboxylic acid with chemical formula C4H6O4 and structural formula HOOC-(CH2)2-COOH.

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Sugar is the generalized name for sweet, short-chain, soluble carbohydrates, many of which are used in food.

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Sulfur or sulphur (see spelling differences) is a chemical element with symbol S and atomic number 16.

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Suspension (chemistry)

In chemistry, a suspension is a heterogeneous mixture containing solid particles that are sufficiently large for sedimentation.

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Tetracycline (INN) is a broad-spectrum polyketide antibiotic produced by the Streptomyces genus of Actinobacteria, indicated for use against many bacterial infections.

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Thioglycolate broth

Thioglycolate broth is a multi-purpose, enriched differential medium used primarily to determine the oxygen requirements of microorganisms.

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Transfection is the process of deliberately introducing nucleic acids into cells.

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Trypticase soy agar

Trypticase soy agar or Tryptone Soya Agar (TSA) and trypticase soy broth or Tryptone Soya Broth (TSB) with agar are growth media for the culturing of bacteria.

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Unicellular organism

A unicellular organism, also known as a single-celled organism, is an organism that consists of only one cell, unlike a multicellular organism that consists of more than one cell.

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Vibrio cholerae

Vibrio cholerae is a Gram-negative, comma-shaped bacterium.

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A virus is a small infectious agent that replicates only inside the living cells of other organisms.

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Wort is the liquid extracted from the mashing process during the brewing of beer or whisky.

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X-gal (also abbreviated BCIG for 5-bromo-4-chloro-3-indolyl-β-D-galactopyranoside) is an organic compound consisting of galactose linked to a substituted indole.

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XLD agar

Xylose lysine deoxycholate agar (XLD agar) is a selective growth medium used in the isolation of Salmonella and Shigella species from clinical samples and from food.

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Yeasts are eukaryotic microorganisms classified as members of the fungus kingdom with 1,500 species currently identified and are estimated to constitute 1% of all described fungal species.

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Yeast extract

Yeast extract is the common name for various forms of processed yeast products made by extracting the cell contents (removing the cell walls); they are used as food additives or flavourings, or as nutrients for bacterial culture media.

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YM (selective medium)

YM Agar and Broth, is a selective growth medium with low pH useful for cultivating yeasts, molds, or other acid-tolerant or acidophilic organisms, while deterring growth of most bacteria and other acid intolerant organisms.

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Bacteria culture, Basal media, Cell culture media, Cell culture medium, Complete medium, Culture media, Culture medium, Differential media, Differential medium, Growing media, Growing medium, Growth Medium, Growth media, Meningomedium, Microbial medium, Microbiological medium, Minimal growth medium, Minimal media, Minimal medium, Nutrient broth, Nutrient medium, Selective growth medium, Selective media, Selective medium, Supplementary minimal medium.


[1] https://en.wikipedia.org/wiki/Growth_medium

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