28 results found

Search Results for: plasmid

Plasmid

Definition noun, plural: plasmids A linear or circular double-stranded DNA that is capable of replicating independently of... Read More

Relaxed plasmid

relaxed plasmid A plasmid that replicatesindependently of the main bacterial chromosome and is present in 10-500 copies per... Read More

Expression vector

Definition noun, plural: expression vectors A plasmid containing the required regulatory sequences specifically used for the... Read More

Resistance factor

Definition noun, plural: resistance factors The earlier term used to refer to the plasmid that confers certain bacteria the... Read More

F-factor

Definition noun A DNA sequence or plasmid that confers certain bacteria the ability to produce a sex pilus for conjugation... Read More

F-prime bacterium

Definition noun, plural: F' bacteria The bacterium possessing a plasmid containing the F factor and a part of the bacterial... Read More

Eubacteria

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

F-positive bacterium

Definition noun, plural: F+ bacteria A bacterium with F factor existing as a plasmid and not integrated in the bacterial... Read More

Deoxyribonucleic acid

Deoxyribonucleic Acid (DNA) Definition A nucleic acid refers to any of the group of complex compounds made up of linear... Read More

Nicked circle

nicked circle (Science: molecular biology) During extraction of plasmid dNA from the bacterial cell, onestrand of the DNA... Read More

Vector

Definition noun, plural: vectors (1) (epidemiology) An organism or vehicle that transmits the causative agent or... Read More

Sexual reproduction

Sexual reproduction is a mode of reproduction involving the fusion of haploid female gamete (egg cell) and haploid male... Read More

Sex factor

Definition noun A DNA sequence or plasmid that confers certain bacteria the ability to produce a sex pilus for conjugation... Read More

Bacillus megaterium

Definition noun An endospore forming rod-shaped bacterium recognized as an endophytes involved in the production of various... Read More

R factor

Definition noun, plural: R factors Abbreviated term for resistance factor that confers certain bacterial strain resistant to... Read More

Hfr strain

Definition noun A strain of bacterial that possesses the F factor integrated into the bacterial genome, hence, when it... Read More

Clostridium tetani

Definition noun An obligate anaerobic rod shaped and gram-positive bacterium which appears to looks like a drumstick that is... Read More

Acinetobacter lwoffii

Definition Noun A gram-negative aerobic and non-fermentative bacterium involved as a normal flora of the skin, perineum and... Read More

Nick

Definition noun, plural: nicks (molecular biology) A cut or a notch in a DNA molecule due to a break in one phosphodiester... Read More

Sex pili

sex pili (Science: cell biology) fine filamentous projections (pili) on the surface of a bacterium that are important in... Read More

Hfr cell

Definition noun A bacterial cell that possesses the F factor integrated into the bacterial genome, hence, when it conjugates... Read More

Hfr bacterium

Definition noun, plural: Hfr bacteria A bacterium that possesses the F factor integrated into the bacterial genome, hence,... Read More

RNA-dependent DNA polymerase

Definition noun A DNA polymerase enzyme that catalyzes the process of reverse transcription. Supplement This enzyme... Read More

Curing

Curing 1.Removing all traces of a disease from the body so that the body is perfectly healthy again. 2. A process of... Read More

Nif gene

Definition noun, plural: nif genes The complex of genes encoding enzymes involved in the fixation of atmospheric... Read More

Biogenesis

Definition noun plural: biogeneses (1) The process in which life forms arise from similar life forms (2) A theory that... Read More

Conjugation

Definition noun, plural: conjugations (biology) (1) The process whereby two ciliates come together in a temporary fusion to... Read More

Transgenesis

Definition noun The process of introducing transgene from one organism into another (unrelated) organism or... Read More