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High-throughput phenotypic testing is increasingly important for exploring the biology of bacteria, fungi, yeasts, and animal cell lines such as human cancer cells.Just as DNA microarrays and proteomic technologies have made it possible to assay the expression level of thousands of genes or proteins all a once, phenotype microarrays (PMs) make it possible to quantitatively measure thousands of ...
High-throughput screening (HTS) is a method for scientific discovery especially used in drug discovery and relevant to the fields of biology, materials science [1] and chemistry. [ 2 ] [ 3 ] Using robotics , data processing/control software, liquid handling devices, and sensitive detectors, high-throughput screening allows a researcher to ...
Marker assisted selection or marker aided selection (MAS) is an indirect selection process where a trait of interest is selected based on a marker (morphological, biochemical or DNA/RNA variation) linked to a trait of interest (e.g. productivity, disease resistance, abiotic stress tolerance, and quality), rather than on the trait itself.
High-content screening where changes in the expression of several proteins can be simultaneously monitored is also often used. [9] [10] High-content imaging of dye-labeled cellular components can also reveal effects of compounds on cell cultures in vitro, distinguishing the phenotypic effects of a broad variety of drugs. [11]
Following phenotypic selection, genomic DNA is extracted from the selected clones, alongside a control cell population. [ 23 ] [ 46 ] [ 49 ] In the most common protocols for genome-wide knockouts, a 'Next-generation sequencing (NGS) library' is created by a two step polymerase chain reaction (PCR).
Similar to classical genetic screens in the past, large-scale RNAi surveys success depends on a careful development of phenotypic assays and their interpretation. [9] In Drosophila , RNAi has been applied in cultured cells or in vivo to investigate gene functions and to effect the function of single genes on a genome-wide scale.