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1. Full Text Human immune system variation
by Brodin, Petter and Davis, Mark M
Nature Reviews Immunology, ISSN 1474-1733, 01/2017, Volume 17, Issue 1, pp. 21 - 29
The human immune system is highly variable between individuals but relatively stable over time within a given person. Recent conceptual and technological... 
RHEUMATOID-ARTHRITIS | AUTOIMMUNE | MASS CYTOMETRY | CIRCADIAN-RHYTHMS | DISEASE | DELTA T-CELLS | PERIPHERAL-BLOOD | MICROBIOTA | SEX-DIFFERENCES | IMMUNOLOGY | EXPRESSION | Humans | Immune System - physiology | Medical research | Immune response | Communicable diseases | Physiological aspects | Medicine, Experimental | Heredity | Research | Observations
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2. Full Text Diurnal variations in blood flow at optic nerve head and choroid in healthy eyes : Diurnal variations in blood flow
by Iwase, Takeshi and Iwase, Takeshi and Yamamoto, Kentaro and Yamamoto, Kentaro and Ra, Eimei and Ra, Eimei and Murotani, Kenta and Murotani, Kenta and Murotani, Kenta and Matsui, Shigeyuki and Matsui, Shigeyuki and Matsui, Shigeyuki and Terasaki, Hiroko and Terasaki, Hiroko and Terasaki, Hiroko
Medicine (United States), ISSN 0025-7974, 02/2015, Volume 94, Issue 6, p. e519
To investigate the diurnal variations of the ocular blood flow in healthy eyes using laser speckle flowgraphy (LSFG), and to determine the relationship of the... 
MEDICINE, GENERAL & INTERNAL | OPEN-ANGLE GLAUCOMA | NORMAL-TENSION GLAUCOMA | CORNEAL TOPOGRAPHY | TISSUE CIRCULATION | OCULAR PERFUSION-PRESSURE | 2-DIMENSIONAL MEASUREMENT | NITRIC-OXIDE | INTRAOCULAR-PRESSURE | LASER SPECKLE FLOWGRAPHY | RETINITIS-PIGMENTOSA | Blood Pressure | Heart Rate | Prospective Studies | Cross-Sectional Studies | Intraocular Pressure | Tomography, Optical Coherence | Humans | Choroid - blood supply | Male | Circadian Rhythm | Optic Disk - blood supply | Choroid - anatomy & histology | Adult | Circadian rhythms | Analysis | Blood flow
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3. Full Text Natural Variation and Clocks
by Tauber and Eran
2017, Advances in Genetics, ISBN 9780128118115, Volume 99, 108
Natural Variances and Clocks, Volume 100 in the Advances in Genetics series provides the latest information on the rapidly evolving field of genetics,... 
Circadian rhythms
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4. Full Text Process Variation Tolerant All-Digital 90 ^ Phase Shift DLL for DDR3 Interface
by Heechai Kang and Kyungho Ryu and Dong Hoon Jung and Donghwan Lee and Won Lee and Suho Kim and Jongryun Choi and Seong-Ook Jung
IEEE Transactions on Circuits and Systems I: Regular Papers, ISSN 1549-8328, 10/2012, Volume 59, Issue 10, pp. 2186 - 2196
An all-digital 90° phase shift delay lock loop (DLL) is presented, which is robust against the delay mismatch caused by process variation. Each of the four 90°... 
Ring oscillators | delay mismatch | multiphase | Calibration | Delay | digital DLL | BTC | Laser mode locking | process variation | Delay lines | Logic gates | 90 ^{\circ} phase shift | Clocks | 90° phase shift | Robust statistics | Measurement | Phase-locked loops | Usage | Oscillators (Electronics) | Analysis | Innovations | Voltage | Complementary metal oxide semiconductors | Sensors | Circadian rhythm | Dynamic link libraries | Phase shift | Locks | Phase error | Logic | Oscillators | Locking
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5. Full Text Variation in the molecular clock of primates
by Priya Moorjani and Carlos Eduardo G. Amorim and Peter F. Arndt and Molly Przeworski
Proceedings of the National Academy of Sciences of the United States of America, ISSN 0027-8424, 9/2016, Volume 113, Issue 38, pp. 10607 - 10612
Events in primate evolution are often dated by assuming a constant rate of substitution per unit time, but the validity of this assumption remains unclear.... 
CpG transition rate | Human-ape divergence time | Primate evolution | Mutation rate | Molecular clock | GREAT APE | GERMLINE MUTATION | BODY-SIZE | MULTIDISCIPLINARY SCIENCES | HUMAN MUTATION-RATE | molecular clock | EVOLUTION | primate evolution | SEQUENCE | human-ape divergence time | mutation rate | SUBSTITUTION RATES | DIVERGENCE | CHIMPANZEES | HISTORY | Circadian rhythms | Primates | Genetic aspects | Observations | Genetic variation | Biological Sciences | human–ape divergence time
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6. Full Text Day-to-day variation in saliva cortisol—Relation with sleep, stress and self-rated health
by Dahlgren, Anna and Kecklund, Göran and Theorell, Töres and Åkerstedt, Torbjörn
Biological Psychology, ISSN 0301-0511, 2009, Volume 82, Issue 2, pp. 149 - 155
The objective was to examine the day-to-day variation in cortisol among healthy individuals and its relation to the time of saliva sampling, work, stress and... 
Fatigue | Cortisol | Self-rated health | Longitudinal design | Stress | ENDOCRINE | AWAKENING RESPONSES | PSYCHOLOGY, EXPERIMENTAL | PSYCHOLOGY | BURNOUT | WOMEN | IMPACT | POPULATION-BASED SAMPLE | MENSTRUAL-CYCLE PHASE | BEHAVIORAL SCIENCES | EXPERIENCE | PSYCHOLOGY, BIOLOGICAL | PITUITARY-ADRENAL AXIS | ORAL-CONTRACEPTIVES | Humans | Middle Aged | Hydrocortisone - metabolism | Male | Circadian Rhythm - physiology | Regression Analysis | Analysis of Variance | Self Concept | Saliva - metabolism | Stress, Psychological - metabolism | Individuality | Wakefulness - physiology | Adult | Female | Sleep - physiology | Health Status | Stress, Psychological - physiopathology | Job stress | Sleep | Corticosteroids | Steroids | Occupational Health and Environmental Health | Medical and Health Sciences | Medicin och hälsovetenskap | Hälsovetenskaper | Arbetsmedicin och miljömedicin | Health Sciences
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7. Full Text Chronotype variation drives night-time sentinel-like behaviour in hunter – gatherers
by Samson, David R and Crittenden, Alyssa N and Mabulla, Ibrahim A and Mabulla, Audax Z. P and Nunn, Charles L
Proceedings of the Royal Society B: Biological Sciences, ISSN 0962-8452, 07/2017, Volume 284, Issue 1858, pp. 20170967 - 20170967
Sleep is essential for survival, yet it also represents a time of extreme vulnerability to predation, hostile conspecifics and environmental dangers. To reduce... 
Actigraphy | Chronotype | Hunter-gatherer | Sleep | Sentinel | Evolutionary mismatch | sentinel | MAMMALIAN SLEEP | WRIST TEMPERATURE | hunter-gatherer | PHYLOGENETIC ANALYSIS | LIGHT | chronotype | MORNINGNESS-EVENINGNESS | sleep | EVOLUTIONARY BIOLOGY | evolutionary mismatch | INDIVIDUAL-DIFFERENCES | EVOLUTION | HUMAN CIRCADIAN CLOCK | BIOLOGY | ECOLOGY | actigraphy | RHYTHM | AGE | Wakefulness | Humans | Light | Tanzania | Circadian Rhythm | Vigilance | Night | Conspecifics | Predation | Variation | Activity patterns | Sleep and wakefulness | Natural selection | Behaviour | 1001 | hunter–gatherer
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8. Full Text Effects of Diurnal Variation of Gut Microbes and High-Fat Feeding on Host Circadian Clock Function and Metabolism
by Leone, Vanessa and Gibbons, Sean M and Martinez, Kristina and Hutchison, Alan L and Huang, Yong and Huang, Edmond Y and Cham, Candace M and Pierre, Joseph F and Heneghan, Aaron F and Nadimpalli, Anuradha and Hubert, Nathaniel and Zale, Elizabeth and Wang, Yunwei and Theriault, Betty and Dinner, Aaron R and Musch, Mark W and Kudsk, Kenneth A and Prendergast, Brian J and Gilbert, Jack A and Chang, Eugene B
Cell Host & Microbe, ISSN 1931-3128, 05/2015, Volume 17, Issue 5, pp. 681 - 689
Circadian clocks and metabolism are inextricably intertwined, where central and hepatic circadian clocks coordinate metabolic events in response to light-dark... 
OBESITY | SLEEP | VIROLOGY | DIET | SEQUENCES | RHYTHMS | EXPANSION | GENE-EXPRESSION | RESISTANCE | MICROBIOLOGY | PARASITOLOGY | Obesity | Liver - pathology | Body Weight | Dysbiosis - chemically induced | Gastrointestinal Microbiome | Gastrointestinal Tract - microbiology | Molecular Sequence Data | Lipid Metabolism | Gene Expression Profiling | Sequence Analysis, DNA | Animals | Diet, High-Fat | Circadian Clocks | Mice | Disease Models, Animal | Hydrogen sulfide | Sleep | Metabolites | Microbiota (Symbiotic organisms) | Physiological aspects | Gene expression | Fatty acids
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9. Full Text Diurnal variation of circulating interleukin-6 in humans: A meta-analysis
by Nilsonne, Gustav and Lekander, Mats and Åkerstedt, Torbjörn and Axelsson, John and Ingre, Michael and Stockholms universitet and Samhällsvetenskapliga fakulteten and Stressforskningsinstitutet
PLoS ONE, ISSN 1932-6203, 11/2016, Volume 11, Issue 11, p. e0165799
The pleiotropic cytokine interleukin-6 (IL-6) has been proposed to contribute to circadian regulation of sleepiness by increasing in the blood at night.... 
RHEUMATOID-ARTHRITIS | POSTTRAUMATIC-STRESS-DISORDER | PLASMA INTERLEUKIN-6 | SERUM INTERLEUKIN-6 | PINEAL HORMONE MELATONIN | CIRCADIAN-RHYTHMS | MULTIDISCIPLINARY SCIENCES | SLEEP-DEPRIVATION | ADRENAL AXIS HORMONES | HEALTHY-MEN | INFLAMMATORY MARKERS | Sleep | Circadian Rhythm | Interleukin-6 - blood | Models, Biological | Humans | Interleukins | Analysis | Neurosciences | Night | Interleukin | Cardiovascular disease | Datasets | Interleukin 6 | Time of use | Pain | Physiology | Sleepiness | Drug dosages | Sleep and wakefulness | Circadian rhythms | Cytokines | Inflammation | Regression analysis | Gene expression | Estimates | Diurnal | Asthma | Meta-analysis | Studies | Brain research | Rheumatoid arthritis | Nitric oxide | Data sets | Variation | Clinical Medicine | Occupational Health and Environmental Health | Clinical Laboratory Medicine | Medical and Health Sciences | Medicin och hälsovetenskap | Hälsovetenskaper | Arbetsmedicin och miljömedicin | Klinisk medicin | Klinisk laboratoriemedicin | Health Sciences
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10. Full Text The taxonomic and functional diversity of microbes at a temperate coastal site: A 'multi-omic' study of seasonal and diel temporal variation
by Gilbert, Jack A and Field, Dawn and Swift, Paul and Thomas, Simon and Cummings, Denise and Temperton, Ben and Weynberg, Karen and Huse, Susan and Hughes, Margaret and Joint, Ian and Somerfield, Paul J and Mühling, Martin
PLoS ONE, ISSN 1932-6203, 2010, Volume 5, Issue 11, p. e15545
How microbial communities change over time in response to the environment is poorly understood. Previously a six-year time series of 16S rRNA V6 data from the... 
WESTERN ENGLISH-CHANNEL | COMMUNITY STRUCTURE | GENOMICS | METAGENOMICS | OCEAN | MULTIDISCIPLINARY SCIENCES | DYNAMICS | BACTERIAL | WATERS | RARE BIOSPHERE | SEA | Seawater - microbiology | Species Specificity | Metagenomics - methods | Gene Expression Profiling | Phylogeny | Circadian Rhythm | Archaea - classification | Bacteria - genetics | Sequence Analysis, DNA | Genetic Variation | Metagenome - genetics | Bacteria - classification | RNA, Ribosomal, 16S - genetics | Archaea - genetics | Seasons | Water Microbiology | Cluster Analysis | RNA | Photosynthesis | Analysis | Microbial activity | rRNA 16S | Night | Laboratories | Communities | Taxonomy | Genes | Homology | Gene sequencing | Seasonal variations | Microorganisms | Famine | Winter | Population | Bacteria | Temporal variations | Bioinformatics | Archaea | Data processing | Ecology | Nitrogen | Biological diversity | Hydrology | Hypotheses | Observatories | Surface water | Functional groups
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11. Full Text The frequency of Th17 cells in the small intestine exhibits a day–night variation dependent on circadian clock activity
by Thu Le, Ha Pham and Nakamura, Yuki and Oh-oka, Kyoko and Ishimaru, Kayoko and Nakajima, Shotaro and Nakao, Atsuhito
Biochemical and Biophysical Research Communications, ISSN 0006-291X, 08/2017, Volume 490, Issue 2, pp. 290 - 295
Interleukin-17–producing CD4 T helper (Th17) cells are a key immune lineage that protects against bacterial and fungal infections at mucosal surfaces. At... 
The circadian clock | Small intestine | Th17 cells | SYSTEM | T(H)17 CELLS | BIOPHYSICS | BEHAVIOR | BIOCHEMISTRY & MOLECULAR BIOLOGY | DIFFERENTIATION | Th17 cells | Chemokine CCL20 - metabolism | Animals | Intestine, Small - cytology | Mice, Inbred C57BL | Th17 Cells - immunology | Chemokine CCL20 - genetics | Circadian Clocks - immunology | Female | Th17 Cells - cytology | Mice | Circadian Clocks - physiology | Intestine, Small - immunology | Mycoses | Medical colleges | Exhibitions | Cholera toxin | Interleukins | T cells
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12. Full Text Structural variation in the 5′ upstream region of photoperiod-insensitive alleles Ppd-A1a and Ppd-B1a identified in hexaploid wheat (Triticum aestivum L.), and their effect on heading time
by Nishida, Hidetaka and Yoshida, Tetsuya and Kawakami, Kohei and Fujita, Masaya and Long, Bo and Akashi, Yukari and Laurie, David A and Kato, Kenji
Molecular Breeding, ISSN 1380-3743, 1/2013, Volume 31, Issue 1, pp. 27 - 37
For genetic analysis of Ppd-1 homoeologs controlling photoperiodic response of wheat (Triticum aestivum L.), bulk segregant analysis was performed using a... 
Life Sciences | Plant Pathology | Biotechnology | Photoperiodic response | Allelic variation | Plant Physiology | Ppd - B1 | Ppd - A1 | Plant Sciences | Wheat | Heading time | Plant Genetics & Genomics | Ppd-B1 | Ppd-A1 | EAR-EMERGENCE | AGRONOMY | NEAR-ISOGENIC LINES | GENETIC-ANALYSIS | PLANT SCIENCES | HORTICULTURE | CULTIVARS | ARABIDOPSIS CIRCADIAN CLOCK | BREAD WHEAT | GENETICS & HEREDITY | MONOSOMIC ANALYSIS | INHERITANCE | DAY-LENGTH RESPONSE | FLOWERING TIME | Allelomorphism | Genetic research | Universities and colleges | Phytochemistry | Genes | Insertion | Gene polymorphism | Genotyping | Clonal deletion | Winter | Genetic analysis | Alleles | Deletion | Mutation | Genotypes | Polymorphism | Codons
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