FISH TECHNIQUES Meaning and
Definition
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FISH techniques, also known as Fluorescence In Situ Hybridization techniques, are molecular biology methods utilized to visualize and map specific genetic sequences within cells or tissue samples. The technique utilizes fluorescently labeled probes that are designed to bind specifically to target DNA or RNA molecules of interest.
To perform FISH techniques, samples are first treated to denature and separate the DNA or RNA strands. Then, the specific labeled probes are added to the sample and allowed to hybridize or bind to their complementary sequences within the sample. The probes emit fluorescent signals that can be detected using specialized microscopes and imaging systems.
FISH techniques offer several advantages over traditional cytogenetic analysis. They provide a higher level of specificity by allowing detection of specific gene sequences or chromosomal abnormalities. FISH techniques are widely used in various research and diagnostic applications, including genetic screening, identification of genetic diseases, detection of cancer-related gene rearrangements, assessment of chromosomal aberrations, and determination of gene copy numbers.
FISH techniques have revolutionized molecular genetics and cytogenetic studies, enabling researchers and clinicians to gain valuable insights into the structure and behavior of chromosomes and genes. Furthermore, the use of multiple probes labeled with different fluorescent colors allows simultaneous detection and mapping of multiple targets within a single sample, thereby enhancing the efficiency and accuracy of FISH techniques.
Common Misspellings for FISH TECHNIQUES
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