Gene Cluster Localization
Gene Cluster Localization - Related Videos
09:30
Localization of Odorant Receptor Genes in Locust Antennae by RNA In Situ Hybridization
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Cited by 5 •
2017
This paper describes a detailed and highly effective RNA in situ hybridization protocol particularly for low-level expressed Odorant Receptor (OR) genes, as well as other genes, in insect antennae using digoxigenin (DIG)-labeled or biotin-labeled probes.
10:40
CRISPR Gene Editing Tool for MicroRNA Cluster Network Analysis
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Cited by 1 •
2022
This protocol describes a high-throughput clustered regularly interspaced short palindromic repeats (CRISPR) gene editing workflow for microRNA cluster network analysis that allows the rapid generation of a panel of genetically modified cell lines carrying unique miRNA cluster member deletion combinations as large as 35 kb within a single experiment.
16:19
Localized RNAi and Ectopic Gene Expression in the Medicinal Leech
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Cited by 5 •
2008
In this video, we show a procedure for an accurate biolistic delivery of reagents into live tissue with a novel miniature gene gun. We are knocking down the expression of the axon guidance molecule Netrin in leech embryos by delivering molecules of dsRNA into the ventral body wall and ganglia of single segments.
09:40
Characterization of Functionally Associated miRNAs in Glioblastoma and their Engineering into Artificial Clusters for Gene Therapy
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Cited by 2 •
2019
Described here is a protocol for characterizing modules of biologically synergistic miRNAs and their assembly into short transgenes, which allows simultaneous overexpression for gene therapy applications.
09:08
From a Natural Product to Its Biosynthetic Gene Cluster: A Demonstration Using Polyketomycin from Streptomyces diastatochromogenes Tü6028
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Cited by 3 •
2017
Here we present a detailed protocol of (A) the identification of a natural product with antibiotic activity, (B) the purification of the compound, (C) the first model of its biosynthesis, (D) genome sequencing/-mining and the (E) verification of the biosynthetic gene cluster.
FAQs
Researchers align DNA sequences from the gene group with a reference genome, using matching regions to identify the corresponding chromosome and genomic coordinates. This anchors the cluster within the genome’s physical map and provides a framework for examining its relationship to nearby genes, regulatory elements, and annotated genomic regions.
Genetic markers connect a gene cluster to identifiable positions within a genome, whereas fluorescence in situ hybridization, or FISH, visualizes the corresponding loci on chromosomes. Using these approaches can connect sequence-based mapping with chromosome-level observation, helping confirm where a cluster occurs and supporting interpretation of its genomic organization.
Adjacent genes may share regulatory elements, so their genomic arrangement can influence how coordinated activity is studied. Localizing a cluster therefore gives researchers a basis for investigating relationships between physical proximity and gene expression. Comparing cluster positions among genomes can also reveal changes in gene organization associated with evolutionary differences.
A typical workflow begins by identifying the relevant DNA sequences or genetic markers, followed by comparison with a reference genome to assign chromosome positions and coordinates. Researchers may then examine the result with chromosome-based visualization such as FISH. The resulting location can be interpreted alongside genome annotations and neighboring regions.
Gene Cluster Localization is useful when researchers need to connect a group of genes with a biological pathway, inherited trait, disease-associated region, or evolutionary pattern. Pinpointing the cluster supports genome annotation and allows its position to be compared with nearby features, helping organize later studies of gene relationships and genome structure.
Once a cluster has been assigned to genomic coordinates, researchers can compare its organization across genomes. Such comparisons may show whether related genes remain grouped or have undergone changes in arrangement. These observations provide context for studying evolutionary changes in genome organization and for interpreting differences in associated biological pathways or traits.