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Amita Sehgal

Research Profile

Concepts & Ideas

Circadian Rhythm

Chemicals & Drugs

Physiology

Living Beings

Genetically Modified Animals

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Publications

TOP 3
Aleksandra H Nall; Amita Sehgal
Small-Molecule Screen in Adult Drosophila Identifies VMAT as a Regulator of Sleep.
Xiangzhong Zheng; Amita Sehgal
Speed control: cogs and gears that drive the circadian clock.
Shailesh Kumar; Dechun Chen; Amita Sehgal
Dopamine acts through Cryptochrome to promote acute arousal in Drosophila.

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All Publications

2013: Aleksandra H Nall; Amita Sehgal
Small-Molecule Screen in Adult Drosophila Identifies VMAT as a Regulator of Sleep.
The Journal of neuroscience : the official journal of the Society for Neuroscience 2013;33(19):8534-40.
2012: Xiangzhong Zheng; Amita Sehgal
Speed control: cogs and gears that drive the circadian clock.
Trends in neurosciences 2012;35(9):574-85.
2012: Shailesh Kumar; Dechun Chen; Amita Sehgal
Dopamine acts through Cryptochrome to promote acute arousal in Drosophila.
Genes & development 2012;26(11):1224-34.
2012: Wenyu Luo; Amita Sehgal; Mallory Sowcik; Zhifeng Yue; Dechun Chen; Wen-Feng Chen; Xiangzhong Zheng
Old flies have a robust central oscillator but weaker behavioral rhythms that can be improved by genetic and environmental manipulations.
Aging cell 2012;11(3):428-38.
2012: Wenyu Luo; Amita Sehgal
Regulation of circadian behavioral output via a MicroRNA-JAK/STAT circuit.
Cell 2012;148(4):765-79.
2011: Terry Dean; William J Joiner; Amita Sehgal; Rong Xu; Toshinori Hoshi
Drosophila QVR/SSS modulates the activation and C-type inactivation kinetics of Shaker K(+) channels.
The Journal of neuroscience : the official journal of the Society for Neuroscience 2011;31(31):11387-95.
2011: Amita Sehgal; Emmanuel Mignot
Genetics of sleep and sleep disorders.
Cell 2011;146(2):194-207.
2011: Kanyan Xu; Justin R DiAngelo; Michael E Hughes; John B Hogenesch; Amita Sehgal
The circadian clock interacts with metabolic physiology to influence reproductive fitness.
Cell metabolism 2011;13(6):639-54.
2011: Justin R DiAngelo; Renske Erion; Amanda Crocker; Amita Sehgal
The central clock neurons regulate lipid storage in Drosophila.
PloS one 2011;6(5):e19921.
2010: Xiangzhong Zheng; Amita Sehgal
AKT and TOR signaling set the pace of the circadian pacemaker.
Current biology : CB 2010;20(13):1203-8.
2010: Amanda Crocker; Amita Sehgal
Genetic analysis of sleep.
Genes & development 2010;24(12):1220-35.
2010: Amanda Crocker; Mohammad Shahidullah; Irwin B Levitan; Amita Sehgal
Identification of a neural circuit that underlies the effects of octopamine on sleep:wake behavior.
Neuron 2010;65(5):670-81.
2010: Eliot B Friedman; Yi Sun; Jason T Moore; Hsiao-Tung Hung; Qing Cheng Meng; Priyan Perera; William J Joiner; Steven A Thomas; Roderic G Eckenhoff; Amita Sehgal; max kelz
A conserved behavioral state barrier impedes transitions between anesthetic-induced unconsciousness and wakefulness: evidence for neural inertia.
PloS one 2010;5(7):e11903.
2010: Mark Wu; William J Joiner; Terry Dean; Zhifeng Yue; Corinne J Smith; Dechun Chen; Toshinori Hoshi; Amita Sehgal; Kyunghee Koh
SLEEPLESS, a Ly-6/neurotoxin family member, regulates the levels, localization and activity of Shaker.
Nature neuroscience 2010;13(1):69-75.
2009: Terry Dean; Amita Sehgal
New routes for memory retrieval and reinforcement.
Cell 2009;139(2):225-7.
2009: Mark Wu; Karen Ho; Amanda Crocker; Zhifeng Yue; Kyunghee Koh; Amita Sehgal
The effects of caffeine on sleep in Drosophila require PKA activity, but not the adenosine receptor.
The Journal of neuroscience : the official journal of the Society for Neuroscience 2009;29(35):11029-37.
2009: Xiangzhong Zheng; Kyunghee Koh; Mallory Sowcik; Corinne J Smith; Dechun Chen; Mark Wu; Amita Sehgal
An isoform-specific mutant reveals a role of PDP1 epsilon in the circadian oscillator.
The Journal of neuroscience : the official journal of the Society for Neuroscience 2009;29(35):10920-7.
2009: Susan T Harbison; Amita Sehgal
Energy stores are not altered by long-term partial sleep deprivation in Drosophila melanogaster.
PloS one 2009;4(7):e6211.
2008: Kanyan Xu; Xiangzhong Zheng; Amita Sehgal
Regulation of feeding and metabolism by neuronal and peripheral clocks in Drosophila.
Cell metabolism 2008;8(4):289-300.
2008: Amanda Crocker; Amita Sehgal
Octopamine regulates sleep in drosophila through protein kinase A-dependent mechanisms.
The Journal of neuroscience : the official journal of the Society for Neuroscience 2008;28(38):9377-85.
2008: Kyunghee Koh; William J Joiner; Mark Wu; Zhifeng Yue; Corinne J Smith; Amita Sehgal
Identification of SLEEPLESS, a sleep-promoting factor.
Science (New York, N.Y.) 2008;321(5887):372-6.
2008: Sriram Sathyanarayanan; Xiangzhong Zheng; Shailesh Kumar; Chun-Hong Chen; Dechun Chen; Bruce Hay; Amita Sehgal
Identification of novel genes involved in light-dependent CRY degradation through a genome-wide RNAi screen.
Genes & development 2008;22(11):1522-33.
2008: Mark Wu; Kyunghee Koh; Zhifeng Yue; William J Joiner; Amita Sehgal
A genetic screen for sleep and circadian mutants reveals mechanisms underlying regulation of sleep in Drosophila.
Sleep 2008;31(4):465-72.
2008: Susan T Harbison; Amita Sehgal
Quantitative genetic analysis of sleep in Drosophila melanogaster.
Genetics 2008;178(4):2341-60.
2008: Xiangzhong Zheng; Amita Sehgal
Probing the relative importance of molecular oscillations in the circadian clock.
Genetics 2008;178(3):1147-55.
2008: John D Alvarez; Amanda Hansen; Teri Ord; Piotr Bebas; Patrick E Chappell; Jadwiga M Giebultowicz; Carmen Williams; Stuart Moss; Amita Sehgal
The circadian clock protein BMAL1 is necessary for fertility and proper testosterone production in mice.
Journal of biological rhythms 2008;23(1):26-36.
2008: Amita Sehgal
Ac-ing the clock.
Neuron 2008;57(1):8-10.
2007: Xiangzhong Zheng; Zhaohai Yang; Zhifeng Yue; John D Alvarez; Amita Sehgal
FOXO and insulin signaling regulate sensitivity of the circadian clock to oxidative stress.
Proceedings of the National Academy of Sciences of the United States of America 2007;104(40):15899-904.
2007: Yanshan Fang; Sriram Sathyanarayanan; Amita Sehgal
Post-translational regulation of the Drosophila circadian clock requires protein phosphatase 1 (PP1).
Genes & development 2007;21(12):1506-18.
2006: Kyunghee Koh; Joshua M Evans; Joan C Hendricks; Amita Sehgal
A Drosophila model for age-associated changes in sleep:wake cycles.
Proceedings of the National Academy of Sciences of the United States of America 2006;103(37):13843-7.
2006: Kyunghee Koh; Xiangzhong Zheng; Amita Sehgal
JETLAG resets the Drosophila circadian clock by promoting light-induced degradation of TIMELESS.
Science (New York, N.Y.) 2006;312(5781):1809-12.
2006: William J Joiner; Amanda Crocker; Benjamin H White; Amita Sehgal
Sleep in Drosophila is regulated by adult mushroom bodies.
Nature 2006;441(7094):757-60.
2006: Quan Yuan; William J Joiner; Amita Sehgal
A sleep-promoting role for the Drosophila serotonin receptor 1A.
Current biology : CB 2006;16(11):1051-62.
2005: Quan Yuan; Fangju Lin; Xiangzhong Zheng; Amita Sehgal
Serotonin modulates circadian entrainment in Drosophila.
Neuron 2005;47(1):115-27.
2005: John D Alvarez; Amita Sehgal
The thymus is similar to the testis in its pattern of circadian clock gene expression.
Journal of biological rhythms 2005;20(2):111-21.
2005: Sean M J McBride; Catherine H Choi; Yan Wang; David Liebelt; Evan Braunstein; David Ferreiro; Amita Sehgal; Kathleen K Siwicki; Thomas C Dockendorff; Hanh T Nguyen; Thomas V McDonald; Thomas A Jongens
Pharmacological rescue of synaptic plasticity, courtship behavior, and mushroom body defects in a Drosophila model of fragile X syndrome.
Neuron 2005;45(5):753-64.
2004: Joan C Hendricks; Amita Sehgal
Why a fly? Using Drosophila to understand the genetics of circadian rhythms and sleep.
Sleep 2004;27(2):334-42.
2004: Sriram Sathyanarayanan; Xiangzhong Zheng; Rui Xiao; Amita Sehgal
Posttranslational regulation of Drosophila PERIOD protein by protein phosphatase 2A.
Cell 2004;116(4):603-15.
2004: Angela M Jaramillo; Xiangzhong Zheng; Yi Zhou; Defne A Amado; Amanda Sheldon; Amita Sehgal; Irwin B Levitan
Pattern of distribution and cycling of SLOB, Slowpoke channel binding protein, in Drosophila.
BMC neuroscience 2004;5():3.
2003: Lesley J Ashmore; Sriram Sathyanarayanan; David W Silvestre; Mark M Emerson; Peter Schotland; Amita Sehgal
Novel insights into the regulation of the timeless protein.
The Journal of neuroscience : the official journal of the Society for Neuroscience 2003;23(21):7810-9.
2003: John D Alvarez; Dechun Chen; Elizabeth Storer; Amita Sehgal
Non-cyclic and developmental stage-specific expression of circadian clock proteins during murine spermatogenesis.
Biology of reproduction 2003;69(1):81-91.
2003: Lesley J Ashmore; Amita Sehgal
A fly's eye view of circadian entrainment.
Journal of biological rhythms 2003;18(3):206-16.
2003: Edith M Myers; Jiujiu Yu; Amita Sehgal
Circadian control of eclosion: interaction between a central and peripheral clock in Drosophila melanogaster.
Current biology : CB 2003;13(6):526-33.
2003: Joan C Hendricks; Sumei Lu; Kazuhiko Kume; Jerry C P Yin; Zhaohai Yang; Amita Sehgal
Gender dimorphism in the role of cycle (BMAL1) in rest, rest regulation, and longevity in Drosophila melanogaster.
Journal of biological rhythms 2003;18(1):12-25.
2002: John D Alvarez; Amita Sehgal
REV-ving up the clock.
Developmental cell 2002;3(2):150-2.
2002: Thomas C Dockendorff; Henry S Su; Sean M J McBride; Zhaohai Yang; Catherine H Choi; Kathleen K Siwicki; Amita Sehgal; Thomas A Jongens
Drosophila lacking dfmr1 activity show defects in circadian output and fail to maintain courtship interest.
Neuron 2002;34(6):973-84.
2002: Garrick K Wang; Amita Sehgal
Signaling components that drive circadian rhythms.
Current opinion in neurobiology 2002;12(3):331-8.
2001: EL Meyer-Bernstein; Amita Sehgal
Molecular regulation of circadian rhythms in Drosophila and mammals.
The Neuroscientist : a review journal bringing neurobiology, neurology and psychiatry 2001;7(6):496-505.
2001: Joan C Hendricks; J A Williams; Karen Panckeri; D Kirk; M Tello; Jerry C P Yin; Amita Sehgal
A non-circadian role for cAMP signaling and CREB activity in Drosophila rest homeostasis.
Nature neuroscience 2001;4(11):1108-15.
2001: F J Lin; W Song; EL Meyer-Bernstein; Nirinjini Naidoo; Amita Sehgal
Photic signaling by cryptochrome in the Drosophila circadian system.
Molecular and cellular biology 2001;21(21):7287-94.
2001: J A Williams; Henry S Su; A Bernards; J Field; Amita Sehgal
A circadian output in Drosophila mediated by neurofibromatosis-1 and Ras/MAPK.
Science (New York, N.Y.) 2001;293(5538):2251-6.
2001: Peter McNamara; S B Seo; Radu Daniel Rudic; Amita Sehgal; Debabrata Chakravarti; garret fitzgerald
Regulation of CLOCK and MOP4 by nuclear hormone receptors in the vasculature: a humoral mechanism to reset a peripheral clock.
Cell 2001;105(7):877-89.
2001: G K Wang; A Ousley; TK Darlington; D Chen; Y Chen; W Fu; L J Hickman; Steve A Kay; Amita Sehgal
Regulation of the cycling of timeless (tim) RNA.
Journal of neurobiology 2001;47(3):161-75.
2001: Zhaohai Yang; Amita Sehgal
Role of molecular oscillations in generating behavioral rhythms in Drosophila.
Neuron 2001;29(2):453-67.
2000: Peter Schotland; Melissa Hunter-Ensor; T Lawrence; Amita Sehgal
Altered entrainment and feedback loop function effected by a mutant period protein.
The Journal of neuroscience : the official journal of the Society for Neuroscience 2000;20(3):958-68.
2000: Joan C Hendricks; S M Finn; Karen Panckeri; J Chavkin; J A Williams; Amita Sehgal; Allan I Pack
Rest in Drosophila is a sleep-like state.
Neuron 2000;25(1):129-38.
1999: Nirinjini Naidoo; W Song; Melissa Hunter-Ensor; Amita Sehgal
A role for the proteasome in the light response of the timeless clock protein.
Science (New York, N.Y.) 1999;285(5434):1737-41.
1999: Shelley A Tischkau; Jeffrey A Barnes; F J Lin; E M Myers; Jessica W Barnes; EL Meyer-Bernstein; William Hurst; Penny W Burgoon; Daofen Chen; Amita Sehgal; Martha L Gillette
Oscillation and light induction of timeless mRNA in the mammalian circadian clock.
The Journal of neuroscience : the official journal of the Society for Neuroscience 1999;19(12):RC15.
1999: Amita Sehgal; A Ousley; Z Yang; Y Chen; Peter Schotland
What makes the circadian clock tick: genes that keep time?
Recent progress in hormone research 1999;54():61-84; discussion 84-5.
1998: Y Chen; Melissa Hunter-Ensor; Peter Schotland; Amita Sehgal
Alterations of per RNA in noncoding regions affect periodicity of circadian behavioral rhythms.
Journal of biological rhythms 1998;13(5):364-79.
1998: Zhaohai Yang; M Emerson; Henry S Su; Amita Sehgal
Response of the timeless protein to light correlates with behavioral entrainment and suggests a nonvisual pathway for circadian photoreception.
Neuron 1998;21(1):215-23.
1998: A Ousley; K Zafarullah; Y Chen; M Emerson; L Hickman; Amita Sehgal
Conserved regions of the timeless (tim) clock gene in Drosophila analyzed through phylogenetic and functional studies.
Genetics 1998;148(2):815-25.
1996: Melissa Hunter-Ensor; A Ousley; Amita Sehgal
Regulation of the Drosophila protein timeless suggests a mechanism for resetting the circadian clock by light.
Cell 1996;84(5):677-85.
1996: Amita Sehgal; A Ousley; Melissa Hunter-Ensor
Control of circadian rhythms by a two-component clock.
Molecular and cellular neurosciences 1996;7(3):165-72.
1995: Nicholas Gekakis; Lino Saez; A M Delahaye-Brown; M P Myers; Amita Sehgal; Michael W Young; Charles J Weitz
Isolation of timeless by PER protein interaction: defective interaction between timeless protein and long-period mutant PERL.
Science (New York, N.Y.) 1995;270(5237):811-5.
1995: Amita Sehgal; A Rothenfluh-Hilfiker; Melissa Hunter-Ensor; Y Chen; M P Myers; Michael W Young
Rhythmic expression of timeless: a basis for promoting circadian cycles in period gene autoregulation.
Science (New York, N.Y.) 1995;270(5237):808-10.
1995: M P Myers; K Wager-Smith; Cedric Wesley; Michael W Young; Amita Sehgal
Positional cloning and sequence analysis of the Drosophila clock gene, timeless.
Science (New York, N.Y.) 1995;270(5237):805-8.
1994: L B Vosshall; J L Price; Amita Sehgal; Lino Saez; Michael W Young
Block in nuclear localization of period protein by a second clock mutation, timeless.
Science (New York, N.Y.) 1994;263(5153):1606-9.
1994: Amita Sehgal; J L Price; B Man; Michael W Young
Loss of circadian behavioral rhythms and per RNA oscillations in the Drosophila mutant timeless.
Science (New York, N.Y.) 1994;263(5153):1603-6.
1992: Mary K Baylies; L B Vosshall; Amita Sehgal; Michael W Young
New short period mutations of the Drosophila clock gene per.
Neuron 1992;9(3):575-81.
1992: Amita Sehgal; J Price; Michael W Young
Ontogeny of a biological clock in Drosophila melanogaster.
Proceedings of the National Academy of Sciences of the United States of America 1992;89(4):1423-7.
1991: Amita Sehgal; B Man; J L Price; L B Vosshall; Michael W Young
New clock mutations in Drosophila.
Annals of the New York Academy of Sciences 1991;618():1-10.