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Molecular basis of circadian rhythms - Article Example

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Some researchers and experts of the field stated that this cycle is natural to our brain structures while others claimed that it started with an organism’s gene or cell, the…
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Molecular basis of circadian rhythms
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"Molecular basis of circadian rhythms"

Download file to see previous pages In a fast growing world where travelling is essential to many individuals, jet lag is a common denominator among those individuals. Scientifically speaking, this was mainly because of the disruption of the circadian clock. According to the study of Glossop, Lyons & Hardin, the circadian clock worked in an interlocked feedback loops that is further divided into two: a per-tim loop which is activated by dCLK-CYC and repressed by PER-TIM and a dClk loop which is repressed by dCLK-CYC and depressed by PER-TIM (766). Through these loops, it has been identified that there are five genes necessary for effective circadian rhythm, among of which include the period (per), timeless (tim), Drosophilia Clock (dClk), Cycle (Cyc), and double-time (dbt) (Glossop, Lyons & Hardin, 766). However, nothing can be observed without going through the gene level and oscillating the anatomical structures for sleep and wakefulness.
Clock-controlled genes consist of input pathways, oscillator or pacemaker, and output pathways (Cermakian & Corsi, 59). As stated earlier, initiating circadian rhythm requires oscillation and this can be done only through a pacemaker or oscillator. Oscillation occurs automatically as this is a temporal program. A well-oscillated circadian clock has self-sustained rhythm during its long period, compensated with respect to the abrupt changes in the environment, predominantly exposed to cycles of light, temperature, food availability and predator, and has various difference in the assembly of cellular clocks (Merrow, Spoelstra & Till, 931). Without this pathways and oscillation, the rhythm of the circadian clock will definitely be disrupted.
The study of circadian clock will not only help humans in adaptation but the agriculture and animal industry as well. Experts would be able to condition the organism to environmental changes. Farmers can manipulate the pthosynthetic activity of the plants to match the appropriate ...Download file to see next pagesRead More
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