• A circadian clock, or circadian oscillator, also known as one’s internal alarm clock is a biochemical oscillator that cycles with a stable phase and is...
    37 KB (4,473 words) - 07:35, 3 June 2024
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    the environment (is entrained by the environment). Circadian rhythms are regulated by a circadian clock whose primary function is to rhythmically co-ordinate...
    111 KB (13,020 words) - 23:41, 22 May 2025
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    These biological clocks control processes that fluctuate daily (e.g., body temperature, alertness, hormone secretion), generating circadian rhythms. Among...
    28 KB (3,137 words) - 02:09, 20 January 2025
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    CLOCK (backronym for circadian locomotor output cycles kaput) is a gene encoding a basic helix-loop-helix-PAS transcription factor that is known to affect...
    33 KB (3,940 words) - 16:06, 10 June 2024
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    between the internal circadian clock and the external environment, and it has been classified within the category of a circadian rhythm sleep-wake disorder...
    43 KB (5,317 words) - 23:29, 25 May 2025
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    in the function of the endocrine and immune systems. The internal circadian clock promotes sleep daily at night, when it is dark. The diverse purposes...
    111 KB (12,791 words) - 19:35, 22 May 2025
  • 1966 to test whether humans, like other species, have an intrinsic circadian clock. It was started by Jürgen Aschoff and Rütger Wever of the Max Planck...
    14 KB (1,719 words) - 08:26, 23 March 2024
  • Thumbnail for Drosophila circadian rhythm
    animals, including humans. This is because the circadian clocks are fundamentally similar. Drosophila circadian rhythm was discovered in 1935 by German zoologists...
    26 KB (3,349 words) - 19:00, 16 September 2024
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    that keep cells on a roughly 24-hour schedule. This oscillator, or "circadian clock," is made up of a transcription-translation feedback loop (TTFL) in...
    46 KB (5,389 words) - 00:53, 27 March 2024
  • Bacterial circadian rhythms, like other circadian rhythms, are endogenous "biological clocks" that have the following three characteristics: (a) in constant...
    41 KB (5,029 words) - 04:55, 12 August 2024
  • Thumbnail for Basic helix-loop-helix ARNT-like protein 1
    generating molecular circadian rhythms. Research has revealed that BMAL1 is the only clock gene without which the circadian clock fails to function in...
    50 KB (5,803 words) - 04:21, 21 January 2025
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    and mammal-like (Type II). CRY1 is a circadian photoreceptor whereas CRY2 is a clock repressor which represses Clock/Cycle (Bmal1) complex in insects and...
    59 KB (6,494 words) - 03:15, 1 June 2025
  • group discovered the genetic basis for the mammalian circadian clock in 1994 and identified the Clock gene in 1997. Takahashi was elected to the National...
    25 KB (2,625 words) - 07:37, 16 March 2025
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    central and peripheral clocks. Similarly to how circadian clocks operate in Drosophila and mammals, the monarch circadian clock uses a transcription translation...
    138 KB (14,050 words) - 23:19, 22 May 2025
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    Suprachiasmatic nucleus (category Circadian rhythm)
    oscillators (see Circadian rhythm) in mammals are sensitive to temperature pulses and will experience resetting of the circadian clock phase and associated...
    39 KB (4,434 words) - 21:43, 29 May 2025
  • Thumbnail for Aziz Sancar
    biologist specializing in DNA repair, cell cycle checkpoints, and circadian clock. In 2015, he was awarded the Nobel Prize in Chemistry along with Tomas...
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  • central role in the molecular mechanism of the Drosophila biological clock driving circadian rhythms in eclosion and locomotor activity. Mutations in the per...
    21 KB (2,385 words) - 07:34, 19 June 2024
  • Thumbnail for Michael Rosbash
    Translation Negative Feedback Loop for circadian clocks in 1990. In 1998, they discovered the cycle gene, clock gene, and cryptochrome photoreceptor in...
    27 KB (2,789 words) - 18:09, 14 May 2025
  • not for circadian rhythmicity. It also works independently as a target of the BMAL1/CLOCK complex. The E-box plays an important role in circadian genes;...
    30 KB (3,663 words) - 06:09, 22 November 2023
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    growth and division, which can be controlled by circadian mechanisms. Therefore, a cell's circadian clock may play a large role in its likelihood of developing...
    16 KB (2,049 words) - 22:25, 2 January 2024
  • Non-24-hour sleep–wake disorder (category Circadian rhythm)
    sleep–wake disorder (non-24, N24SWD, or N24) is one of several chronic circadian rhythm sleep disorders (CRSDs). It is defined as a "chronic steady pattern...
    52 KB (6,326 words) - 21:41, 29 May 2025
  • Circadian Clock Associated 1 (CCA1) is a gene that is central to the circadian oscillator of angiosperms. It was first identified in Arabidopsis thaliana...
    13 KB (1,552 words) - 08:46, 9 May 2025
  • Ruler for his work on circadian rhythms in rodents. His lab recently revealed the effects of m6A mRNA methylation on the circadian clock, neuronal communications...
    21 KB (2,118 words) - 03:12, 28 May 2025
  • rhythms Internal clock, the timeframe sensed by the individual's body which is largely affected by the light-dark cycle Circadian clock, a molecular mechanism...
    1 KB (202 words) - 19:56, 1 June 2022
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    corticotropin-releasing hormone), and genes involved in the mammalian circadian clock (PER1, PER2). CREB is closely related in structure and function to...
    19 KB (2,243 words) - 23:46, 9 September 2024
  • Jay Dunlap include his work investigating the role of frq and wc clock genes in circadian rhythmicity, and his leadership in coordinating the whole genome...
    46 KB (5,409 words) - 17:15, 23 May 2025
  • centers on the study of circadian rhythms in plants. Her research focuses on the molecular workings of the plant circadian clock and its influences on plant...
    31 KB (3,252 words) - 02:51, 27 May 2025
  • positionally cloned the Drosophila Clock gene. In his laboratory at Northwestern, he discovered a conserved mechanism for circadian control of sleep-wake cycle...
    39 KB (4,533 words) - 15:21, 26 May 2025
  • Advanced sleep phase disorder (category Circadian rhythm)
    of sleep and melatonin levels are regulated by the body's central circadian clock, which is located in the suprachiasmatic nucleus in the hypothalamus...
    21 KB (2,708 words) - 09:11, 28 May 2025
  • circadian clocks in the body. Several of his studies have demonstrated strong evidence for the existence of robust, self-sustaining circadian clocks in...
    21 KB (2,181 words) - 19:51, 12 March 2025