Mammalian Photoperiodic System: Formal Properties and Neuroendocrine Mechanisms of Photoperiodic Time Measurement

Suprachiasmatic nucleus : the mind's clock

1991 • 1,730 citations

Encyclopedia of Reproduction

2018 • 1,493 citations

The melatonin rhythm: both a clock and a calendar

1993 • 985 citations

The Entrainment of Circadian Oscillations by Light and Their Role as Photoperiodic Clocks

1964 • 735 citations

EFFECT OF THE RELATIVE LENGTH OF DAY AND NIGHT AND OTHER FACTORS OF THE ENVIRONMENT ON GROWTH AND REPRODUCTION IN PLANTS¹

1920 • 653 citations

The timed infusion paradigm for melatonin delivery: What has it taught us about the melatonin signal, its reception, and the photoperiodic control of seasonal responses?

1993 • 525 citations

Pineal Gland: Influence on Gonads of Male Hamsters

1965 • 436 citations

Melatonin: Biosynthesis, Physiological Effects, and Clinical Applications

1992 • 399 citations

Antigonadal Effects of Timed Melatonin Infusion in Pinealectomized Male Djungarian Hamsters (Phodopus sungorus sungorus): Duration is the Critical Parameter*

1983 • 394 citations

Neural control of the pineal gland

1995 • 381 citations

Vertebrate Circadian Systems

1982 • 371 citations

Circadian rhythms and photoperiodic time measurement in mammals.

1976 • 371 citations

Biology of Mammalian Photoperiodism and the Critical Role of the Pineal Gland and Melatonin

2001 • 364 citations

Localization and characterization of melatonin receptors in rodent brain by in vitro autoradiography

1989 • 352 citations

The Durations of Human Melatonin Secretion and Sleep Respond to Changes in Daylength (Photoperiod)

1991 • 312 citations

Mammalian pineal melatonin: A clock for all seasons

1989 • 310 citations

Relation of Light to Bird Migration and Developmental Changes

1925 • 299 citations

Further Studies in Photoperiodism, the Response of the Plant to Relative Length of Day and Night

1923 • 281 citations

Nucleus Suprachiasmaticus: The Biological Clock in the Hamster?

1976 • 280 citations

Nightly duration of pineal melatonin secretion determines the reproductive response to inhibitory day length in the ewe

1984 • 252 citations

Effects of short photoperiods on puberty, growth and moult in the Djungarian hamster (Phodopus sungorus)

1978 • 219 citations

Circadian Rhythms and the Time Measurement in Photoperiodism

1960 • 212 citations

Assembling a Clock for All Seasons: Are There M and E Oscillators in the Genes?

2001 • 208 citations

Vole infant development is influenced perinatally by maternal photoperiodic history

1988 • 180 citations

The rat suprachiasmatic nucleus is a clock for all seasons.

1995 • 180 citations

Progonadal Role of the Pineal in the Djungarian Hamster (Phodopus sungorus sungorus): Mediation by Melatonin*

1983 • 156 citations

The circadian timing system and reproduction in mammals

1999 • 155 citations

Circannual Cycles of Luteinizing Hormone and Prolactin Secretion in Ewes during Prolonged Exposure to a Fixed Photoperiod: Evidence for an Endogenous Reproductive Rhythm1

1989 • 150 citations

Testicular Responses to Photoperiod Are Blocked by Lesions of the Suprachiasmatic Nuclei in Golden Hamsters1

1976 • 150 citations

Vertebrate Circadian and Photoperiodic Systems: Role of the Pineal Gland and Melatonin

1987 • 150 citations

Lesions of the iodomelatonin-binding sites of the mediobasal hypothalamus spare the lactotropic, but block the gonadotropic response of male Syrian hamsters to short photoperiod and to melatonin.

1995 • 144 citations

Photoperiodic Synchronization of a Circannual Reproductive Rhythm in Sheep: Identification of Season-Specific Time Cues1

1994 • 140 citations

Maternal Transfer of Photoperiodic Information Influences the Photoperiodic Response of Prepubertal Djungarian Hamsters (Phodopus Sungorus Sungorus)1

1986 • 135 citations

Visual Pathway Mediating Pineal Response to Environmental Light

1967 • 133 citations

Testicular Function and Pelage Color Have Different Critical Daylengths in the Djungarian Hamster,Phodopus sungorus sungorus*

1985 • 133 citations

Melatonin Induction of Gonadal Quiescence in Pinealectomized Syrian Hamsters

1977 • 131 citations

Modification of mammalian sexual cycles ; Reactions of ferrets ( Putorius vulgaris ) of both sexes to electric light added after dark in November and December

1932 • 126 citations

Short-Day Effects of Melatonin on Luteinizing Hormone Secretion in the Ewe: Evidence for Central Sites of Action in the Mediobasal Hypothalamus1

1993 • 125 citations

Factors affecting the breeding of the field mouse ( Microtus agrestis ). Part III.—Locality

1933 • 122 citations

Gonadal Responses of the Male Syrian Hamster to Programmed Infusions of Melatonin are Sensitive to Signal Duration and Frequency but Not to Signal Phase Nor to Lesions of The Suprachiasmatic Nuclei1

1990 • 119 citations

Circadian Regulation of Pineal Melatonin and Reproduction in the Djungarian Hamster

1986 • 119 citations

Hamster Refractoriness: The Role of Insensitivity of Pineal Target Tissues

1978 • 115 citations

Melatonin's Role in Vertebrate Orcadian Rhythms

1998 • 115 citations

Effects of Timed Melatonin Infusions on Reproductive Development in the Djungarian Hamster (Phodopus sungorus)*

1984 • 109 citations

Effects of photoperiod, pinealectomy and castration on body weight and daily torpor in Djungarian hamsters (Phodopus sungorus)

1985 • 108 citations

Melatonin rhythms in fetal and maternal circulation during pregnancy in sheep

1987 • 104 citations

Effect of Maternal Pinealectomy and Reverse Photoperiod on the Circadian Melatonin Rhythm in the Sheep and Fetus during the Last Trimester of Pregnancy1

1988 • 104 citations

In short photoperiods, human sleep is biphasic

1992 • 103 citations

Reproductive Photorefractoriness in Rams and Accompanying Changes in the Patterns of Melatonin and Prolactin Secretion 1

1984 • 102 citations

Genetic selection for reproductive photoresponsiveness in deer mice

1986 • 95 citations

How Does Melatonin Code for Day Length in the Ewe: Duration of Nocturnal Melatonin Release or Coincidence of Melatonin with a Light-Entrained Sensitive Period?1

1988 • 92 citations

Encoding Le Quattro Stagioni within the Mammalian Brain: Photoperiodic Orchestration through the Suprachiasmatic Nucleus

2001 • 91 citations

SCN lesions block responses to systemic melatonin infusions in Siberian hamsters

1991 • 91 citations

Central sites mediating reproductive responses to melatonin in juvenile male Siberian hamsters

1992 • 90 citations

Effect of Geographical Origin on the Photoperiodic Control of Reproduction in the White-Footed Mouse, Peromyscus leucopus

1981 • 87 citations

Time Course of Sensitivity of Golden Hamsters to Melatonin Injections Throughout the Day 1

1983 • 87 citations

Effects of exogenous and endogenous melatonin on gonadal function in hamsters.

1986 • 83 citations

Of Rodents and Ungulates and Melatonin: Creating a Uniform Code for Darkness by Different Signaling Mechanisms

2001 • 82 citations

Melatonin and Photorefractoriness: Loss of Response to the Melatonin Signal Leads to Seasonal Reproductive Transitions in the Ewe1

1986 • 82 citations

The Suprachiasmatic Nucleus. The Mind's Clock

1994 • 81 citations

Factors affecting the breeding of the field mouse ( Microtus agrestis ). Part I.—Light

1932 • 80 citations

Change in duration of the nighttime melatonin peak may be a signal driving photoperiodic responses in the Djungarian hamster (Phodopus sungorus)

1986 • 80 citations

Characterization of circadian function in Djungarian hamsters insensitive to short day photoperiod

1988 • 73 citations

Influences of the Paraventricular and Suprachiasmatic Nuclei and Olfactory Bulbs on Melatonin Responses in the Golden Hamster1

1989 • 73 citations

Decoding Photoperiodic Time and Melatonin in Mammals: What Can We Learn from the Pars Tuberalis?

2001 • 73 citations

Photoperiodic Regulation of Hamster Testis: Circadian Sensitivity to the Effects of Light

1975 • 72 citations

Entrainment of the female hamster to reversed photoperiod: Role of the pineal☆

1978 • 69 citations

Environmental induction of photononresponsiveness in the Siberian hamster, Phodopus sungorus

1997 • 69 citations

Termination of photorefractoriness in golden hamsters—photoperiodic requirements

1977 • 68 citations

On the Model of the Helium Atom

1923 • 66 citations

Reproductive refractoriness of the ewe to inductive photoperiod is not caused by inappropriate secretion of melatonin

1987 • 66 citations

Refractoriness to melatonin occurs independently at multiple brain sites in Siberian hamsters

2001 • 62 citations

Suprachiasmatic Nucleus and Photic Entrainment of Circannual Rhythms in Ground Squirrels

1991 • 61 citations

Characteristics of a Genetic Polymorphism for Reproductive Photoresponsiveness in the White-Footed Mouse (Peromyscus Leucopus)1

1991 • 60 citations

Photoperiodic effects in the Djungarian hamster: one minute of light during darktime mimics influence of long photoperiods on testicular recrudescence, body weight and pelage colour

1979 • 59 citations

The Sites and Consequences of Melatonin Binding in Mammals

1993 • 56 citations

Effects of placing micro-implants of melatonin in the pars tuberalis, pars distalis and the lateral septum of the forebrain on the secretion of FSH and prolactin, and testicular size in rams

1994 • 54 citations

Evidence for Genetic Variation in the Occurrence of the Photoresponse of the Djungarian Hamster, Phodopus sungorus

1992 • 53 citations

The Ovine Pars Tuberalis does not Appear to be Targeted by Melatonin to Modulate Luteinizing Hormone Secretion, but may be Important for Prolactin Release

1995 • 53 citations

Evidence that the Circadian System Mediates Photoperiodic Nonresponsiveness in Siberian Hamsters: The Effect of Running Wheel Access on Photoperiodic Responsiveness

1997 • 52 citations

Growth and maturation in Microtus montanus: effects of photoperiods before and after weaning

1984 • 48 citations

Parameters of the circadian rhythm of pineal melatonin secretion affecting reproductive responses in Siberian hamsters

1991 • 46 citations

Reception of photoperiodic information by fetal siberian hamsters: Role of the mother's pineal gland

1989 • 46 citations

In vitro melatonin treatment enhances splenocyte proliferation in prairie voles

2000 • 42 citations

Daylength influences pelage and plasma prolactin concentrations but not reproduction in the prairie vole, Microtus ochrogaster

1988 • 41 citations

Differential reproductive response to short photoperiod in deer mice: role of melatonin

1991 • 39 citations

Photoperiod Modulates the Inhibitory Effect of In Vitro Melatonin on Lymphocyte Proliferation in Female Siberian Hamsters

2001 • 37 citations

Photoperiodic Termination of Hamster Refractoriness: Participation of the Pineal Gland

1981 • 37 citations

Genetic and Environmental Influences on Short-Day Responsiveness in Siberian Hamsters (Phodopus sungorus)

2000 • 36 citations

Circannual variations in circadian rhythms of ground squirrels

1986 • 34 citations

Gender differences in influence of prenatal photoperiods on postnatal pineal melatonin rhythms and serum prolactin and follicle-stimulating hormone in the Siberian hamster (Phodopus sungorus).

1995 • 33 citations

Photoperiodic cycles of different lengths in relation to flowering in Biloxi soybean (glycine max L.;Merr.)

1959 • 32 citations

A test of the coincidence and duration models of melatonin action in Siberian hamsters: the effects of 1‐hr melatonin infusions on testicular development in intact and pinealectomized prepubertal Phodopus sungorus

2001 • 31 citations

Reproductive Refractoriness of the Ewe to Inhibitory Photoperiod Is Not Caused by Alteration of the Circadian Secretion of Melatonin

1988 • 29 citations

Temperature-Independence of Circannual Variations in Circadian Rhythms of Golden-Mantled Ground Squirrels

2000 • 27 citations

Phase-Response Curves and the Dual-Oscillator Model of Orcadian Pacemakers

1982 • 22 citations

The tau mutation in the Syrian hamster alters the photoperiodic responsiveness of the gonadal axis to melatonin signal frequency.

1996 • 21 citations

Development of meadow voles is influenced postnatally by maternal photoperiodic history

1993 • 20 citations

A test of the coincidence and duration models of melatonin action in Siberian hamsters. II. The effects of 4‐ and 8‐hr melatonin infusions on testicular development of pinealectomized juvenile Siberian hamsters (Phodopus sungorus)

2001 • 19 citations

Sustained response of pineal melatonin synthesis to a single one-minute light pulse during night in Djungarian hamsters (Phodopus sungorus)

1995 • 17 citations

Interruption of nocturnal pineal melatonin synthesis in spontaneous recrudescent Djungarian hamsters (Phodopus sungorus)

1992 • 16 citations

Influence of prenatal photoperiods on postnatal reproductive responses to daily infusions of melatonin in the Siberian hamster (Phodopus sungorus).

1995 • 14 citations

Melatonin and the coding of day length in male Syrian hamsters

1991 • 14 citations

Melatonin Chimeras Alter Reproductive Development and Photorefractoriness in Siberian Hamsters

1998 • 13 citations

Deleted Work

1955 • 0 citations