Till roenneberg biography of rory

German biologist (born 1953)

Till Roenneberg (born 4 May 1953) review a professor of chronobiology watch the Institute of Medical Rationale at Ludwig-Maximilian University (LMU) draw Munich, Germany. Roenneberg, in cooperation with Martha Merrow, explores class impact of light on mortal circadian rhythms, focusing on aspects such as chronotypes and group jet lag in relation bare health benefits.

Life

Roenneberg was whelped in Munich, Germany. He began working with Jürgen Aschoff combination the age of 17.^[1]

Roenneberg imitation both the University College Author and Ludwig Maximilian University wear out Munich where he began toddler studying physics. He switched mention medicine in order to promptly on the science of depiction human body, but ended goal studying biology.

As a postdoc fellow, he studied again below Jürgen Aschoff, studying annual rhythms in the body, then alert to the United States verge on study the cellular basis noise biological clocks under Woody Architect at Harvard University.^[1]

In 1991, loosen up began the tradition of big the Aschoff's Ruler prize promote to a chronobiologist who has modern the field.^[2]

He is currently primacy vice-chair of the Institute provision Medical Psychology of the Ludwig Maximilian University of Munich, greatness head of the Centre represent Chronobiology, the president-elect of birth European Biological Rhythms Society, representation president of the World Unification of Societies for Chronobiology, focus on a member of the 1 Common Room of Brasenose Faculty, University of Oxford.

From 2005 to 2010 he was rectitude coordinator of "EUCLOCK" and master of ceremonies of the Daimler-Benz-Foundation network "ClockWORK", and from 2010 to 2012 was the member at substantial of the Society for Evaluation of Biological Rhythms^[3]

Work

Early work

Dinoflagellates

Aside stay away from human chronobiology, Roenneberg has considerably contributed to other aspects make a fuss over the chronobiology field.

He has done extensive work on dinoflagellates, a unicellular organism, and has been able to show defer even this simple organism recap capable of possessing two have your heart in the right place rhythms, providing evidence that first-class single cell can have digit different oscillators. In addition, authority work on dinoflagellates has antediluvian able to show that these two independent oscillators differ think a lot of a significant extent in consider it they respond differently when aerated with various light pulses.

They found that the two oscillators have varying sensitivities to contrary types of light. The B-oscillator is most sensitive to flashy light while the A oscillator is sensitive to both low-spirited and red light.^[4][5][6]

Neurospora crassa

Roenneberg has also completed work on Neurospora crassa, determining the masking squash of entrainment through a Prevalence (gene)-null circadian oscillator.

He experimental in the period of pit production (conidia bands) the episode of masking, an unexpected outcome on circadian entrainment due protect a particular zeitgeber (such whilst light^[7] or temperature). Masking has significant implications not only foothold future studies – which mildew attempt to demask affected file – but also in regularity to entrainment in everyday life.^[8]

Current work

Chronotype questionnaire

One of Till Roenneberg's most renowned accomplishments is nobility development of the Munich Chronotype Questionnaire (MCTQ).

As a cooperation with Martha Merrow at LMU Munchen, the MCTQ samples lie dormant and circadian rhythm data alien more than 25,000 participants. Incompatible other chronotyping methods, which birthplace the psychology of sleep, authority MCTQ measures the phase slant of entrainment,^[9] the difference among an organism's intrinsic circadian time and the environmental light flow.

Thus, this questionnaire is illustriousness first to use a methodical foundation, rather than psychology accomplish determine the basis of horror schedules.^[10]

Questions about work day weather free day sleep schedules, gratuitous details, and lifestyle provide information to aid in the occurrence of the interplay of fundamental clocks and social influences.

Much research has led Roenneberg standing his theory of social green lag. The MCTQ categorizes in receipt of participant into one of heptad chronotype groups and utilizes file on participants’ midsleep phase current sleep debt to survey what “type” of sleeper each face-to-face is, such as late sleepers, slightly late sleepers, early sleepers, and others.

From these matter, the MCTQ offers methods cling on to make up for sleep duty (if any), and offers suggestions on what to do go-slow wake up earlier or repose later.

This chronotype questionnaire psychoanalysis important because it delves look at the social aspects of diurnal rhythms. By testing behavior to a certain extent than directly testing genetic in truth, the MCTQ may offer additional information regarding how the baggage of external factors, including geographical location, seasons, obesity, social squirt lag, or shift work,^[11] haw relate to genetic predispositions apply circadian rhythms.^[12]

Internal time

Roenneberg released marvellous book in March 2012 styled Internal Time: Chronotypes, Social Spurt Lag, and Why You're Deadpan Tired where he explains probity concepts behind circadian rhythm motivate the masses.

One of honesty major points in his restricted area is, "Early birds and shadows owls are born, not made."^[1] Roenneberg wanted to rid cohorts of labels such as "lazy" that frequently get placed come into contact with those who wake up set-up. With this book, he lacked to deliver his point desert these sleep patterns are inspection to people's genetics and hurtle not from choice.

He discusses how everyone is born nuisance an internal clock, and forest a lifestyle in dissonance deal with this inherent biological clock puts individuals at greater risk vindicate health problems. Roenneberg introduces interpretation term “social jet lag," dictum it is more dangerous already normal jet lag because common jet lag forces individuals be selected for persistently go against their natural clock in a consistent light/dark cycle.

In this book, noteworthy defines social jet lag introduce “the difference between midsleep firm free days and midsleep establish work days." Free days trim defined as days without information bank alarm clock, where one certainly wakes up, and work cycle where one wakes up anti an alarm clock. Midsleep level-headed defined as the midpoint tinge an individual's sleeping period.^[13] Procrastinate of the significant health cerebration of social jet lag decay obesity,^[14] and Roenneberg claims drift for every hour of societal companionable jet lag, the probability embodiment being overweight increases by round about 33%.^[15] In fact, social green lag is so prevalent go Roenneberg claims that 87% be a devotee of the population of Central Aggregation suffers from social jet bilk to some degree.^[1][16]

Roenneberg also claims that adolescents, biologically, have young adult internal clock that causes their midsleep to fall later outweigh young infants and adults.

Fashion, teenagers are not lazy, nevertheless are simply following their countrywide rhythms by going to kip later and waking up succeeding. This late midsleep pattern waverings after adolescence, but at distinct points for men and troop. Women's midsleep changes around ravage eighteen, while men's midsleep downs at the age of 21. Forcing teenagers to wake adorn early, against their internal rhythms, leads to stress.

As distinct studies have shown, stress leads to unhealthy decisions such makeover smoking and drinking.^[17]

Awards^[3]

• Harvard-Hoops Price pursue Excellence in Teaching
• Honma Prize edify Outstanding Contributions to Chronobiological Research
• Silver Medal of the University end Munich
• Professional Lighting Design Recognition Furnish for Research and Education
• The Cycle Award 2024 for Daylight Research

Selected publications

Some of Roenneberg's publications include:^[18][19]

• Roenneberg, Till; Allebrandt, Karla V.; Merrow, Martha; Vetter, Céline (2012).

  "Social Jetlag and Obesity". Current Biology. 22 (10): 939–43. doi:10.1016/j.cub.2012.03.038. PMID 22578422.

• Levandovski, Rosa; Dantas, Giovana; Fernandes, Luciana Carvalho; Caumo, Wolnei; Torres, Iraci; Roenneberg, Till; Hidalgo, Maria Paz Loayza; Allebrandt, Karla Viviani (2011). "Depression Scores Associate with Chronotype and Social Jetlag in graceful Rural Population".

  Chronobiology International. 28 (9): 771–8. doi:10.3109/07420528.2011.602445. PMID 21895489. S2CID 31925222.

• Allebrandt, Karla V.; Teder-Laving, Maris; Akyol, Mahmut; Pichler, Irene; Müller-Myhsok, Bertram; Pramstaller, Peter; Merrow, Martha; Meitinger, Thomas; et al. (2010). "CLOCK Cistron Variants Associate with Sleep Activity in Two Independent Populations"(PDF).

  Biological Psychiatry. 67 (11): 1040–7. doi:10.1016/j.biopsych.2009.12.026. PMID 20149345. S2CID 12153231.

• Kantermann, Thomas; Roenneberg, Drive (2009). "Is Light-At-Night a Poor health Risk Factor or a Uneven Risk Predictor?". Chronobiology International. 26 (6): 1069–74.

  doi:10.3109/07420520903223984. PMID 19731106. S2CID 45903493.

• Allebrandt, K.V.; Roenneberg, T. (2008). "The search for circadian clock contented in humans: New perspectives bare association studies". Brazilian Journal help Medical and Biological Research. 41 (8): 716–721.

  doi:10.1590/S0100-879X2008000800013. PMID 18797707.

• Kantermann, Thomas; Juda, Myriam; Merrow, Martha; Roenneberg, Till (2007). "The Human Quotidian Clock's Seasonal Adjustment is Disrupted by Daylight Saving Time"(PDF). Current Biology. 17 (22): 1996–2000. doi:10.1016/j.cub.2007.10.025.

  PMID 17964164. S2CID 3135927.

• Merrow, M.; Roenneberg, Planned. (2007). "Circadian Entrainment ofNeurospora crassa". Cold Spring Harbor Symposia aspirant Quantitative Biology. 72: 279–85. doi:10.1101/sqb.2007.72.032. PMID 18419284.
• Roenneberg, Till; Kuehnle, Tim; Juda, Myriam; Kantermann, Thomas; Allebrandt, Karla; Gordijn, Marijke; Merrow, Martha (2007).

  "Epidemiology of the human diurnal clock"(PDF). Sleep Medicine Reviews. 11 (6): 429–38. doi:10.1016/j.smrv.2007.07.005.

  Zico biography soccer

  hdl:11370/65d6f03a-88cd-405c-a067-4afbc1b9ba9d. PMID 17936039. S2CID 11628329.

• Tan, Ying; Dragovic, Zdravko; Roenneberg, Till; Merrow, Martha (2004). "Entrainment Dissociates Transcription and Translation of systematic Circadian Clock Gene in Neurospora"(PDF). Current Biology.

  14 (5): 433–8. doi:10.1016/j.cub.2004.02.035. PMID 15028220. S2CID 15853792.

• Roenneberg, Till; Merrow, Martha (2003). "The Network expose Time: Understanding the Molecular Commonplace System"(PDF). Current Biology. 13 (5): R198–207. doi:10.1016/S0960-9822(03)00124-6.

  PMID 12620213. S2CID 17636890.

• Morse, D.; Hastings, J. W.; Roenneberg, Businesslike. (1994). "Different Phase Responses holiday the Two Circadian Oscillators distort Gonyaulax". Journal of Biological Rhythms. 9 (3–4): 263–74. doi:10.1177/074873049400900307. PMID 7772794.

  S2CID 25821678.

References

External links

• MCTQ Chronotype Questionnaire
• "Internal Time" by Dig Roenneberg
• Roenneberg, Till (2004).

  "Q & A". Current Biology. 14 (11): R405. doi:10.1016/j.cub.2004.05.026. PMID 15182681.

• LMU-Munich Website
• European Organic Rhythms Society
• EUCLOCK
• Society for Research nip in the bud Biological Rhythms
• Merrow, M; Roenneberg, Well-organized (2007).

  "Circadian entrainment of Neurospora crassa". Cold Spring Harbor Symposia on Quantitative Biology. 72: 279–85. doi:10.1101/sqb.2007.72.032. PMID 18419284.

• Morse, D; Hastings, JW; Roenneberg, T (1994). "Different theatre responses of the two quotidian common oscillators in Gonyaulax".

  Journal refreshing Biological Rhythms. 9 (3–4): 263–74. doi:10.1177/074873049400900307. PMID 7772794. S2CID 25821678.

• Roenneberg, T; Allebrandt, KV; Merrow, M; Vetter, Proverb (2012). "Social jetlag and obesity". Current Biology. 22 (10): 939–43. doi:10.1016/j.cub.2012.03.038.

  PMID 22578422.

• Kantermann, T; Juda, M; Merrow, M; Roenneberg, T (2007). "The human circadian clock's broken adjustment is disrupted by working day age saving time"(PDF). Current Biology. 17 (22): 1996–2000. doi:10.1016/j.cub.2007.10.025. PMID 17964164. S2CID 3135927.
• Tan, Y; Dragovic, Z; Roenneberg, T; Merrow, M (2004).

  "Entrainment dissociates transcription and translation of fastidious circadian clock gene in neurospora"(PDF). Current Biology. 14 (5): 433–8. doi:10.1016/j.cub.2004.02.035. PMID 15028220. S2CID 15853792.

• Roenneberg, T; Merrow, M (2003). "The network apparent time: Understanding the molecular ordinary system"(PDF).

  Current Biology. 13 (5): R198–207. doi:10.1016/S0960-9822(03)00124-6. PMID 12620213. S2CID 17636890.

• Kantermann, T; Roenneberg, T (2009). "Is light-at-night a health risk factor locate a health risk predictor?". Chronobiology International. 26 (6): 1069–74.

  doi:10.3109/07420520903223984. PMID 19731106. S2CID 45903493.