GENE CLUSTER Meaning and
Definition
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A gene cluster is a group or arrangement of genes that are located closely together on a chromosome. This arrangement of genes in close proximity allows them to be regulated and expressed together, often for a specific biological function. Gene clusters are commonly found in both prokaryotic and eukaryotic genomes.
In prokaryotes, gene clusters are frequently observed in operons, which are functional units consisting of multiple genes arranged in a sequential manner. These operons are often regulated by a single promoter and control the expression of genes involved in a common metabolic pathway or cellular process. By being closely located, the genes in a cluster can be regulated simultaneously, ensuring co-regulated expression and efficient coordination of metabolic activities.
In eukaryotes, gene clusters can also be found, although they are typically more complex and larger than those in prokaryotes. These clusters may consist of multiple genes, ranging from a few genes to dozens or even hundreds, that share similar functions or are involved in the same biological processes. Examples of eukaryotic gene clusters include clusters of homeobox genes and clusters encoding immune system-related genes.
The organization of genes into clusters is advantageous as it allows for coordinated regulation and efficient transmission of genetic information. It also provides opportunities for evolutionary adaptations, as gene clusters can undergo genetic rearrangements or duplications, leading to the generation of new gene functions and diverse phenotypic traits.
Common Misspellings for GENE CLUSTER
- fene cluster
- vene cluster
- bene cluster
- hene cluster
- yene cluster
- tene cluster
- gwne cluster
- gsne cluster
- gdne cluster
- grne cluster
- g4ne cluster
- g3ne cluster
- gebe cluster
- geme cluster
- geje cluster
- gehe cluster
- genw cluster
- gens cluster
- gend cluster
- genr cluster
Etymology of GENE CLUSTER
The term "gene cluster" derives from the combination of two words: "gene" and "cluster".
The word "gene" originates from the German term "Gen" coined by Danish botanist Wilhelm Johannsen in 1909. Johannsen used "Gen" to describe the basic unit of heredity, which carries the information needed to pass traits from parents to offspring.
On the other hand, "cluster" has its roots in the Middle English word "cluster" or "cluter", which referred to a bunch of grapes or a group of things that are close together. It is derived from the Old English word "clyster", meaning a bunch or a group.
When the two words are combined, "gene cluster" refers to a group of genes that are located close together on a chromosome and often function together. The term is commonly used in molecular biology and genetics to describe the arrangement and organization of genes within a genome.
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