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Lunar cycle

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https://www.readbyqxmd.com/read/28525979/the-association-between-lunar-phase-and-intracranial-aneurysm-rupture-myth-or-reality-own-data-and-systematic-review
#1
Adomas Bunevicius, Agne Gendvilaite, Vytenis Pranas Deltuva, Arimantas Tamasauskas
BACKGROUND: It is a common belief in medical community that lunar phases have an impact on human health. A growing body of evidence indicates that lunar phases can predict the risk to develop acute neurological and vascular disorders. The goal of present report was to present our institution data and to perform systematic review of studies examining the association of intracranial aneurysm rupture with moon phases. METHODS: We identified all patients admitted to our department for ruptured intracranial aneurysms in a period between November, 2011 and December, 2014...
May 19, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28483869/no-phenotypic-plasticity-in-nest-site-selection-in-response-to-extreme-flooding-events
#2
Liam D Bailey, Bruno J Ens, Christiaan Both, Dik Heg, Kees Oosterbeek, Martijn van de Pol
Phenotypic plasticity is a crucial mechanism for responding to changes in climatic means, yet we know little about its role in responding to extreme climatic events (ECEs). ECEs may lack the reliable cues necessary for phenotypic plasticity to evolve; however, this has not been empirically tested. We investigated whether behavioural plasticity in nest-site selection allows a long-lived shorebird (Haematopus ostralegus) to respond to flooding. We collected longitudinal nest elevation data on individuals over two decades, during which time flooding events have become increasingly frequent...
June 19, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28469170/the-diet-of-a-nocturnal-pelagic-predator-the-bulwer-s-petrel-across-the-lunar-cycle
#3
S Waap, W O C Symondson, J P Granadeiro, H Alonso, C Serra-Gonçalves, M P Dias, P Catry
The lunar cycle is believed to strongly influence the vertical distribution of many oceanic taxa, with implications for the foraging behaviour of nocturnal marine predators. Most studies to date testing lunar effects on foraging have focused on predator activity at-sea, with some birds and marine mammals demonstrating contrasting behavioural patterns, depending on the lunar-phase. However, to date no study has focused on how the lunar cycle might actually affect predator-prey interactions in the upper layers of the ocean...
May 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28467676/impacts-of-temperature-and-lunar-day-on-gene-expression-profiles-during-a-monthly-reproductive-cycle-in-the-brooding-coral-pocillopora-damicornis
#4
Camerron M Crowder, Eli Meyer, Tung-Yung Fan, Virginia M Weis
Reproductive timing in brooding corals has been correlated to temperature and lunar irradiance, but the mechanisms by which corals transduce these environmental variables into molecular signals is unknown. To gain insight into these processes, global gene expression profiles in the coral Pocillopora damicornis were examined (via RNA-Seq) across lunar phases and between temperature treatments, during a monthly planulation cycle. The interaction of temperature and lunar day together had the largest influence on gene expression...
May 3, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28418218/regulation-of-salt-marsh-mosquito-populations-by-the-18-6-year-lunar-nodal-cycle
#5
Ilia Rochlin, James T Morris
The 18.6-year lunar-nodal cycle drives changes in tidal amplitude globally, affecting coastal habitat formation, species and communities inhabiting rocky shores, and salt marsh vegetation. However, the cycle's influence on salt marsh fauna lacked sufficient long-term data for testing its effect. We circumvented this problem by using salt marsh mosquito records obtained over a period of over four decades in two estuaries in the northeastern USA. Salt marsh mosquito habitat is near the highest tide level where the impact of the nodal cycle on flood frequency is greatest...
April 18, 2017: Ecology
https://www.readbyqxmd.com/read/28418034/light-and-circadian-controlled-genes-respond-to-a-broad-light-spectrum-in-puffer-fish-derived-fugu-eye-cells
#6
Keiko Okano, Shoichi Ozawa, Hayao Sato, Sawa Kodachi, Masaharu Ito, Toshiaki Miyadai, Akihiro Takemura, Toshiyuki Okano
Some cell lines retain intrinsic phototransduction pathways to control the expression of light-regulated genes such as the circadian clock gene. Here we investigated the photosensitivity of a Fugu eye, a cell line established from the eye of Takifugu rubripes, to examine whether such a photosensitive nature is present. Microarray analysis identified 15 genes that showed blue light-dependent change at the transcript level. We investigated temporal profiles of the light-induced genes, as well as Cry and Per, under light-dark, constant light (LL), and constant dark (DD) conditions by quantitative RT-PCR...
April 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28374651/relationship-between-lunar-cycle-and-haemorrhagic-complication-rate-in-surgery
#7
Edoardo Raposio, Giorgia Caruana, Pierluigi Santi, Ferdinando Cafiero
BACKGROUND: The aim of this study was to evaluate a possible relationship between lunar cycles and haemorrhagic complication rate in surgery. MATERIALS AND METHODS: The possible relationship between moon phases and surgical outcome was tested by evaluating the haemorrhagic complication rate for 18,760 patients who underwent surgery between January 2001 and December 2008 at the National Institute for Cancer Research in Genoa. A total of 103 lunar phases were considered using Chi-square (χ(2)) test analysis, and patients were allocated a surgery date...
April 4, 2017: Acta Chirurgica Belgica
https://www.readbyqxmd.com/read/28258604/the-effect-of-lunisolar-tidal-acceleration-upon-stem-elongation-growth-nutations-and-leaf-movements-in-peppermint-mentha-%C3%A3-piperita-l
#8
Urszula Zajączkowska, Peter W Barlow
• Orbital movement of the Moon generates a system of gravitational fields which periodically alters the gravitational force on Earth. This lunar tidal acceleration (Etide) is known to act as an external environmental factor affecting many growth and developmental phenomena in plants. Our study has focused on the lunar tidal influence on stem elongation growth, nutations, and leaf movements of peppermint. • Plants were continuously recorded by time-lapse photography under constant illumination as well in constant illumination following five days of alternating dark-light cycles...
March 3, 2017: Plant Biology
https://www.readbyqxmd.com/read/28214372/canonical-and-cellular-pathways-timing-gamete-release-in-acropora-digitifera-okinawa-japan
#9
Y Rosenberg, T Doniger, S Harii, F Sinniger, O Levy
Natural light cycles are important for synchronizing behavioural and physiological rhythms over varying time periods in both plants and animals. An endogenous clock, regulated by positive and negative elements, interacting in feedback loops controls these rhythms. Many corals exhibit diel cycles of polyp expansion and contraction entrained by solar light patterns and monthly cycles of spawning or planulation that correspond to nocturnal lunar light cycles. However, despite considerable interest in studies of coral reproduction, there is currently not enough molecular information about the cellular pathways involved with synchronizing spawning/planulation in broadcast spawners and brooders...
February 18, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28161040/heavy-pollution-episodes-transport-pathways-and-potential-sources-of-pm2-5-during-the-winter-of-2013-in-chengdu-china
#10
Tingting Liao, Shan Wang, Jie Ai, Ke Gui, Bolong Duan, Qi Zhao, Xiao Zhang, Wanting Jiang, Yang Sun
Air mass concentration data from 8 environmental quality monitoring sites and meteorological data of Chengdu from 1 December 2013 to 28 February 2014 were used in this study. Chengdu suffered five continuous heavy pollutions during this winter due to the basin terrain and the meteorological conditions of low wind speed, low precipitation and high relative humidity. Analysing the hourly resolution time series of pollutants' concentrations, variation of PM2.5 in the urban area followed a growing "saw-tooth cycle" pattern during the heavy pollution, with a daily cycle of bimodal distribution...
April 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28141890/transcriptome-dynamics-over-a-lunar-month-in-a-broadcast-spawning-acroporid-coral
#11
Matthew J Oldach, Matthew Workentine, Mikhail V Matz, Tung-Yung Fan, Peter D Vize
On one night per year, at a specific point in the lunar cycle, one of the most extraordinary reproductive events on the planet unfolds as hundreds of millions of broadcast spawning corals release their trillions of gametes into the waters of the tropical seas. Each species spawns on a specific night within the lunar cycle, typically from full moon to third quarter moon, and in a specific time window after sunset. This accuracy is essential to achieve efficient fertilization in the vastness of the oceans. In this report, we use transcriptome sequencing at noon and midnight across an entire lunar cycle to explore how acroporid corals interpret lunar signals...
May 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28115741/bipolar-mood-cycles-and-lunar-tidal-cycles
#12
T A Wehr
In 17 patients with rapid cycling bipolar disorder, time-series analyses detected synchronies between mood cycles and three lunar cycles that modulate the amplitude of the moon's semi-diurnal gravimetric tides: the 14.8-day spring-neap cycle, the 13.7-day declination cycle and the 206-day cycle of perigee-syzygies ('supermoons'). The analyses also revealed shifts among 1:2, 1:3, 2:3 and other modes of coupling of mood cycles to the two bi-weekly lunar cycles. These shifts appear to be responses to the conflicting demands of the mood cycles' being entrained simultaneously to two different bi-weekly lunar cycles with slightly different periods...
January 24, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28068148/element-cycling-and-energy-flux-responses-in-ecosystem-simulations-conducted-at-the-chinese-lunar-palace-1
#13
Chen Dong, Yuming Fu, Beizhen Xie, Minjuan Wang, Hong Liu
Bioregenerative life-support systems (BLSS) address interactions between organisms and their environment as an integrated system through the study of factors that regulate the pools and fluxes of materials and energy through ecological systems. As a simple model, using BLSS is very important in the investigation of element cycling and energy flux for sustainable development on Earth. A 105-day experiment with a high degree of closure was carried out in this system from February to May, 2014, with three volunteers...
January 2017: Astrobiology
https://www.readbyqxmd.com/read/28046047/expectation-or-sensorial-reality-an-empirical-investigation-of-the-biodynamic-calendar-for-wine-drinkers
#14
Wendy V Parr, Dominique Valentin, Phil Reedman, Claire Grose, James A Green
The study's aim was to investigate a central tenet of biodynamic philosophy as applied to wine tasting, namely that wines taste different in systematic ways on days determined by the lunar cycle. Nineteen New Zealand wine professionals tasted blind 12 Pinot noir wines at times determined within the biodynamic calendar for wine drinkers as being favourable (Fruit day) and unfavourable (Root day) for wine tasting. Tasters rated each wine four times, twice on a Fruit day and twice on a Root day, using 20 experimenter-provided descriptors...
2017: PloS One
https://www.readbyqxmd.com/read/27928860/physical-activity-subjective-sleep-quality-and-time-in-bed-do-not-vary-by-moon-phase-in-german-adolescents
#15
Maia P Smith, Marie Standl, Holger Schulz, Joachim Heinrich
Lunar periodicity in human biology and behaviour, particularly sleep, has been reported. However, estimated relationships vary in direction (more or less sleep with full moon) if they exist at all, and studies tend to be so small that there is potential for confounding by weekly or monthly cycles. Lunar variation in physical activity has been posited as a driver of this relationship, but is likewise not well studied. We explore the association between lunar cycle, sleep and physical activity in a population-based sample of 1411 Germans age 14-17 years (46% male)...
December 8, 2016: Journal of Sleep Research
https://www.readbyqxmd.com/read/27895241/secular-pattern-of-aneurismal-rupture-with-the-lunar-cycle-and-season
#16
Jillian C Banfield, Mohamed Abdolell, Jai S Shankar
Background The lunar cycle and seasons may be associated with rates of rupture of intracranial aneurysms, but the literature is mixed. Studies of the association between the lunar cycle and rates of aneurysm rupture used the eight qualitative moon phases. The purpose of this study was to assess any association of aneurysm rupture with the lunar cycle and with the season. Materials and methods We retrospectively reviewed all cases of subarachnoid haemorrhage secondary to ruptured intracranial aneurysm treated with endovascular coiling in our institution over a 10-year period...
February 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/27820907/box-jellyfish-alatina-alata-has-a-circumtropical-distribution
#17
Jonathan W Lawley, Cheryl Lewis Ames, Bastian Bentlage, Angel Yanagihara, Roger Goodwill, Ehsan Kayal, Kikiana Hurwitz, Allen G Collins
Species of the box jellyfish (Cubozoa) genus Alatina are notorious for their sting along the beaches of several localities of the Atlantic and Pacific. These species include Alatina alata on the Caribbean Island of Bonaire (the Netherlands), A. moseri in Hawaii, and A. mordens in Australia. Most cubozoans inhabit coastal waters, but Alatina is unusual in that specimens have also been collected in the open ocean at great depths. Alatina is notable in that populations form monthly aggregations for spermcast mating in conjunction with the lunar cycle...
October 2016: Biological Bulletin
https://www.readbyqxmd.com/read/27813571/transcriptome-survey-of-phototransduction-and-clock-genes-in-marine-bivalves
#18
X J Sun, L Q Zhou, J T Tian, Z H Liu, B Wu, Y H Dong, A G Yang, W M Ma
Marine animals exhibit a variety of biological rhythms, such as solar and lunar-related cycles; however, our current molecular understanding of biological rhythms in marine animals is quite limited. Identifying and understanding the expression patterns of clock genes from available transcriptomes will help elucidate biological rhythms in marine species. Here, we perform a comprehensive survey of phototransduction and circadian genes using the mantle transcriptome of the scallop Patinopecten yessoensis and compare the results with those from three other bivalves...
October 24, 2016: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/27660301/bouncing-on-mars-and-the-moon-the-role-of-gravity-on-neuromuscular-control-correlation-of-muscle-activity-and-rate-of-force-development
#19
Ramona Ritzmann, Kathrin Freyler, Anne Krause, Albert Gollhofer
On our astronomical neighbors Mars and the Moon, bouncing movements are the preferred locomotor techniques. During bouncing, the stretch-shortening cycle describes the muscular activation pattern. This study aimed to identify gravity-dependent changes in kinematic and neuromuscular characteristics in the stretch-shortening cycle. Hence, neuromuscular control of limb muscles as well as correlations between the muscles' pre-activation, reflex components, and force output were assessed in lunar, Martian, and Earth gravity...
November 1, 2016: Journal of Applied Physiology
https://www.readbyqxmd.com/read/27580019/lunar-cycle-influences-spontaneous-delivery-in-cows
#20
Tomohiro Yonezawa, Mona Uchida, Michiko Tomioka, Naoaki Matsuki
There is a popular belief that the lunar cycle influences spontaneous delivery in both humans and cattle. To assess this relationship, we investigated the synodic distribution of spontaneous deliveries in domestic Holstein cows. We used retrospective data from 428 spontaneous, full-term deliveries within a three-year period derived from the calving records of a private farm in Hokkaido, Japan. Spontaneous birth frequency increased uniformly from the new moon to the full moon phase and decreased until the waning crescent phase...
2016: PloS One
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