46 results found

Search Results for: gram-positive bacteria

Gram-positive bacteria

Definition noun, singular: gram-positive bacterium A group of bacterial cells that retains the violet colour following ... Read More

Eubacteria

Eubacteria are prokaryotic microorganisms consisting of a single cell lacking a nucleus and containing DNA is a single... Read More

Gram-positive endospore-forming rods

Definition noun A group of rod-shaped bacteria that are positive to Gram's method and form... Read More

Cell wall

The cell is the structural, functional, and biological unit of all organisms. It is a membrane-bound structure containing... Read More

Gram-positive bacilli

Definition noun, singular: gram-positive bacillus A group of rod-shaped bacterial cells that appears violet through Gram's... Read More

Gram-positive cocci

Definition noun, singular: gram-positive coccus A group of spherical bacteria that retains the violet stain following gram... Read More

Gram-positive

Definition adjective Of, or relating to that group of bacteria that retain the violet stain following Gram's... Read More

Gram-indeterminate bacteria

Definition noun, singular: gram-indeterminate bacterium Bacteria that do not respond to gram staining and, therefore, are... Read More

Gram-negative bacteria

Definition noun, singular: gram-negative bacterium A group of bacteria that takes the color of the counterstain in Gram's... Read More

Gram staining

Definition noun A staining method performed to determine whether a bacterial species is gram-positive (i.e. violet stain) or... Read More

Gram-negative

Definition adjective Of, or relating to the group of bacteria that take the color of the counterstain (i.e. pink) under the... Read More

Unicellular

Unicellular organisms are organisms consisting of one cell only that performs all vital functions including metabolism,... Read More

Facultative anaerobe

Facultative Anaerobe Definition What does facultative anaerobe mean? Facultative organisms are the most adaptable... Read More

Middle lamella

Definition noun plural: middle lamellae ˈmɪdəl ləˈmɛl.ə A pectin-rich intercellular material that glues the... Read More

Secondary cell wall

Definition noun plural: secondary cell walls ˈsɛkənˌdɛɹi sɛl wɔːl The layer of the plant cell wall that forms... Read More

Primary cell wall

Definition noun plural: primary cell walls ˈpɹaɪməɹi sɛl wɔːl The layer of the plant cell wall that forms prior to... Read More

Peptidoglycan

Definition noun, plural: peptidoglycans (1) A glycan (a polysaccharide) attached to short cross-linked oligopeptides in the... Read More

Lysozyme

Definition noun, plural: lysozymes A glycosidase that assists in the hydrolysis of glycosidic bond between N-acetyl muramic... Read More

Prokaryote

Prokaryote refers to any of the group of organisms primarily characterized by the lack of true nucleus and other... Read More

Synergistic effect

Synergistic Effects Definition Synergistic effects (biology definition): the effects when chemical substances or biological... Read More

Murein

Definition noun A crystal lattice structure in the cell wall of eubacteria formed by the linear chains of two alternating... Read More

Bacteria

Definition noun, singular: bacterium (Science: Microbiology) Microscopic, single-celled organisms belonging to Kingdom... Read More

Streptococcus

Definition noun, plural: streptococci (1) A genus of bacteria characterized by being coccus, Gram-positive, and occurring in... Read More

Glycosidase

Definition noun, plural: glycosidases (biochemistry) An enzyme catalyzing the hydrolysis of a... Read More

Lactobacillus casei

Definition noun A non-pathogenic and harmless bacterium recognized widely as probiotics that controls growth of various... Read More

Contrast stain

Definition noun The dye or stain that is used to differentiate one component or cellular structure from another, or to... Read More

Differential stain

Definition noun The dye or stain that is used to differentiate one component or cellular structure from another, or to... Read More

Counterstain

Definition noun The dye or stain that is used to differentiate one component or cellular structure from another, or to... Read More

Obligate aerobe

Definition noun, plural: obligate aerobes An aerobe that requires oxygen for aerobic respiration. Supplement Obligate... Read More

Brevibacillus brevis

Definition noun A motile aerobic ellipsoidal spore forming rod organisms involved in gramicidin production an antimicrobial... Read More

Antibiotic

Definition noun, plural: antibiotics Antimicrobial agent made from microorganisms, and can kill and inhibit the growth of... Read More

Zoogloea

Definition noun, plural: zoogleas, zoogleae A jelly-like gram-negative aerobic rod-shaped bacterium that aggregates on... Read More

Transmembrane protein

Definition noun, plural: transmembrane proteins A protein that spans the entire biological... Read More

Micrococcus luteus

Definition noun A gram-positive aerobic harmless bacterium involved in the conversion of nitrate to... Read More

Exotoxin

Exotoxin (Science: protein) toxin released from gram-positive and gram-negative bacteria as opposed to endotoxins that form... Read More

Eubacteriales

Eubacteriales An obsolete name for an order of bacteria which contained simple, undifferentiated, rigid cells which were... Read More

Staphylococcus aureus

Definition Noun A gram-positive spherical and facultative bacterium arranged in cluster involved as pathogens of several... Read More

Neisseria sicca

Definition Noun A gram-negative diplococcus oxidase positive commensal bacterium involved as a normal flora of human oral... Read More

Bacillus

Bacillus (Science: bacteria) a genus of bacteria of the family Bacillaceae, including large aerobic or facultatively... Read More

Staphylococcus epidermidis

Definition Noun A gram-positive facultative bacterium that produced slime for adhesions associated with endocarditis and... Read More