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The mechanism by which a neuronal process outgrows toward a target led by the GROWTH CONE. Local guidance cues are provided by cell surface proteins …

The directed transport of ORGANELLES and molecules along nerve cell AXONS. Transport can be anterograde (from the cell body) or retrograde (toward th…

A protein interaction domain that is characterized by a bent beta-sandwich consisting of two antiparallel beta-sheets. It occurs in eukaryotic protei…

Radiation from sources other than the source of interest. It is due to cosmic rays and natural radioactivity in the environment.

A general algorithmic technique that considers solutions one option at a time backtracking to get the desired solution. This allows searching every p…

Physicochemical property of fimbriated (FIMBRIAE, BACTERIAL) and non-fimbriated bacteria of attaching to cells, tissue, and nonbiological surfaces. I…

Measurable quantity of bacteria in an object, organism, or organism compartment.

Physiological processes and properties of BACTERIA.

The expelling of bacteria from the body. Important routes include the respiratory tract, genital tract, and intestinal tract.

The passage of viable bacteria from the GASTROINTESTINAL TRACT to extra-intestinal sites, such as the mesenteric lymph node complex, liver, spleen, k…

Plasmids encoding bacterial exotoxins (BACTERIOCINS).

Rupture of bacterial cells due to mechanical force, chemical action, or the lytic growth of BACTERIOPHAGES.

A response by the BARORECEPTORS to increased BLOOD PRESSURE. Increased pressure stretches BLOOD VESSELS which activates the baroreceptors in the vess…

Metabolism (e.g., heat production) of an organism in an inactive, awake, fasting state. It may be determined directly by means of a calorimeter or in…

The relative amounts of the PURINES and PYRIMIDINES in a nucleic acid.

The presence of an non-complementary base in double-stranded DNA (DNA mismatch) caused by spontaneous deamination of cytosine or adenine, mismatching…

Pairing of purine and pyrimidine bases by HYDROGEN BONDING in double-stranded DNA or RNA.

The sequence of PURINES and PYRIMIDINES in nucleic acids and polynucleotides. It is also called nucleotide sequence.

A concave exterior region on some POLYCYCLIC AROMATIC HYDROCARBONS that have three phenyl rings in a non-linear arrangement.

An area of water mostly surrounded by land, usually smaller than a gulf, and affording access to the sea.

An alcoholic beverage usually made from malted cereal grain (as barley), flavored with hops, and brewed by slow fermentation.

High energy POSITRONS or ELECTRONS ejected from a disintegrating atomic nucleus.

Brain waves with frequency between 15-30 Hz seen on EEG during wakefulness and mental activity.

Nonsusceptibility of bacteria to the action of the beta-lactam antibiotics. Mechanisms responsible for beta-lactam resistance may be degradation of a…

Liquids that are suitable for drinking. (From Merriam Webster Collegiate Dictionary, 10th ed)

The parts of a macromolecule that directly participate in its specific combination with another molecule.

Local surface sites on antibodies which react with antigen determinant sites on antigens (EPITOPES.) They are formed from parts of the variable regio…

An increase in the concentration of an exogenous substance in the tissues of organisms higher than surrounding ENVIRONMENT. Accumulation of such XENO…

The facilitation of biochemical reactions with the aid of naturally occurring catalysts such as ENZYMES.

The chemical processes, enzymatic activities, and pathways of living things and related temporal, dimensional, qualitative, and quantitative concepts.