ライフサイエンスコーパス: photoperiod

1 old higher than in long-day plants (LD; 16-h photoperiod).

2 ronmental signals (e.g., seasonal changes in photoperiod).

3 similar phenotypes to grxs17 in response to photoperiod.

4 clear domains regulated by light quality and photoperiod.

5 l environmental cues such as temperature and photoperiod.

6 cating a strong interaction between PHYC and photoperiod.

7 t of flowering time repression in a long-day photoperiod.

8 n SCN neurons of mice exposed to a short-day photoperiod.

9 ion in Arabidopsis thaliana are regulated by photoperiod.

10 sses and seasonal changes in temperature and photoperiod.

11 g performance after exposure to the long-day photoperiod.

12 o large-effect QTLs which influence critical photoperiod.

13 diposity is reduced naturally independent of photoperiod.

14 ered by a species-specific rate of change of photoperiod.

15 ovement to stolons is induced by a short-day photoperiod.

16 ffect on their subsequent sensitivity to the photoperiod.

17 ce, which were more responsive to changes in photoperiod.

18 erate maize evolved a reduced sensitivity to photoperiod.

19 ss when plants were grown with a short (8-h) photoperiod.

20 darkness, allowing sorghum to flower in this photoperiod.

21 of castration and transfer to a nonbreeding photoperiod.

22 he biological clock to subsequent changes in photoperiod.

23 either a standard photoperiod or a long day photoperiod.

24 ften precisely timed and entrained by annual photoperiod.

25 is late-flowering with a reduced response to photoperiod.

26 l inductive signals, including long-day (LD) photoperiod.

27 d by reduced cell elongation during the cold photoperiod.

28 s, suggesting these species are sensitive to photoperiod.

29 flowering is extremely delayed in inductive photoperiods.

30 ring early under noninductive short-day (SD) photoperiods.

31 on of BBX19 delays flowering under inductive photoperiods.

32 after cold exposure as well as in different photoperiods.

33 response to exposure to short- and long-day photoperiods.

34 n attenuated reproductive responses to short photoperiods.

35 brief light pulses, and entrainment to full photoperiods.

36 and translational reporters over a range of photoperiods.

37 T withdrawal and shifting them to short-day photoperiods.

38 flowering under both long-day and short-day photoperiods.

39 Suc-induced hypocotyl elongation under short photoperiods.

40 mis) under floral inductive and noninductive photoperiods.

41 C(AB) mutant of the central photoperiod gene photoperiod 1 (PPD1) and its downstream target flowering

42 a large extent by the homoeologous series of Photoperiod 1 (Ppd1) genes.

43 e photoperiod pathway such as GIGANTEA (GI), PHOTOPERIOD 1 (PPD1/PRR37), CONSTANS (CO), and florigen/

44 n both temperature (27 --> 10 degrees C) and photoperiod (16 --> 8 h light) is required to induce a t

45 duction in temperature (27-10 degrees C) and photoperiod (16-8 h) over a 3-month period induced a par

46 Under long photoperiods (16 h light:8 h dark), the buntings are ini

47 ythms to the sidereal year using day length (photoperiod) [2].

48 ed seedlings to growth conditions with short photoperiod (8/16 h) and low temperature/ambient CO2 (LT

49 iza melanocephala) is day active under short photoperiods (8 h light:16 h dark, short day sensitive).

50 Here, we examined the impact of photoperiod, a major environmental factor controlling pl

51 tate control the phenotype of CI mutants and photoperiod acclimation in Arabidopsis.

52 In short-day F. vesca, long photoperiods activate FvTFL1 mRNA expression and short d

53 to quantify how variation in temperature and photoperiod affects the correlation structure and QTL ar

54 easonal synchronization based on day length (photoperiod) allows organisms to anticipate environmenta

55 asonal changes in photosynthetic physiology, photoperiod also regulates leaf activity.

56 a poleward-migration climate with increased photoperiod amplitude.

57 In Wyeomyia smithii, the critical photoperiod (an overt expression of the photoperiodic ti

58 tion were largely regulated independently of photoperiod and allelic variation at Ppd-H1.

59 igin indicates likely roles for genes in the photoperiod and autonomous pathways in generating switch

60 -based growth cues, our results suggest that photoperiod and chilling cues more strongly influence th

61 To assess the effects of temperature, photoperiod and cold acclimatisation on levels of glucos

62 Critical photoperiod and flowering time in glasshouse conditions

63 so demonstrated that Fv SOC1 is regulated by photoperiod and Fv flowering locus T1, suggesting that i

64 ge extends across environmental gradients of photoperiod and growing season length.

65 We argue that a model combining photoperiod and mean temperature is most consistent with

66 e domestication gene thought to be linked to photoperiod and reproduction (thyroid-stimulating hormon

67 Identification of photoperiod and stage-specific transcripts gives insight

68 ate latitude horses, and indicate that while photoperiod and temperature are powerful inputs driving

69 Abiotic inputs such as photoperiod and temperature can regulate reproductive cy

70 In the temperate zones, both photoperiod and temperature fluctuate in a somewhat pred

71 To evaluate the effects of photoperiod and temperature on molecular networks of UAB

72 Plants constantly monitor changes in photoperiod and temperature throughout the year to synch

73 e induced in growth chambers by manipulating photoperiod and temperature.

74 nd 'winter' conditions due to differences in photoperiod and temperature.

75 s, such as carbohydrate and hormonal status, photoperiod and temperature.

76 interactions with environmental cues such as photoperiod and temperature.

77 affected by variation in the sensitivity to photoperiod and temperature.

78 songbird neuroplasticity may be regulated by photoperiod and that future studies should account for s

79 es that explained the genetic variation were photoperiod and the onset of spring, the Julian date of

80 ing-time QTLs are detected across a range of photoperiod and vernalization conditions, suggesting tha

81 We then examined critical photoperiod and vernalization QTLs in growth chambers us

82 atus harbors extensive variation in critical photoperiod and vernalization that may be a consequence

83 environmental factors, such as long daylight photoperiods and a combination of genetic factors.

84 Wild types also were analyzed in various photoperiods and after transfer to free-running light or

85 in adult female wasps subjected to different photoperiods and identified substantial differential met

86 de range of flowering responses to different photoperiods and lengths of vernalization.

87 adian clock responses to subsequent seasonal photoperiods and may contribute to the influence of seas

88 s temporal uncoupling became larger in short photoperiods and may reflect the differing dependence of

89 is grown around the world at a wide range of photoperiods and temperatures, which may influence both

90 We grew Arabidopsis plants in very short photoperiods and used a combination of extended nights,

91 Short photoperiods and winter-like melatonin inhibited hypotha

92 exogenous cues, such as light, temperature, photoperiod, and hormones.

93 ession of a 16-kD dehydrin absent under long photoperiod, and increased freezing tolerance.

94 We modeled the effects of temperature, photoperiod, and seed-source climate on diameter-growth-

95 g, including cool ambient temperature, short photoperiod, and vernalization, all increased petal numb

96 ing time among accessions grown in different photoperiods, and FT is more highly expressed in vernali

97 The photoperiod- and Ppd-H1-dependent differences in inflore

98 ctors that function to harmonize growth with photoperiod are poorly understood.

99 Photoperiod-associated declines in photosynthetic capaci

100 sh that the CBF pathway is also regulated by photoperiod at warm temperatures.

101 ogy was altered when grown under a short-day photoperiod, at 22 degrees C, and a long-day photoperiod

102 photoperiod, at 22 degrees C, and a long-day photoperiod, at 30 degrees C.

103 summer solstice and declines with decreasing photoperiod, before air temperatures peak.

104 conditions other than climate - for example photoperiod, biotic interactions, or edaphic conditions

105 nually consistent physiological responses to photoperiod, but conditions at their breeding grounds de

106 ELF3 suppresses flowering under noninductive photoperiods by blocking GA production and FT1 expressio

107 del suggests that cool temperatures or short photoperiods can induce cessation in autumn.

108 Low intensity light and short-day photoperiod conditions also significantly induced the de

109 ion were assessed in mice reared in seasonal photoperiods consisting of light/dark cycles of 8:16, 16

110 seasons if temperature cues predominate, but photoperiod-controlled species will show limited respons

111 Coupling to the photoperiod could synchronize the development of neurons

112 wheat revealed a novel mutation within the "photoperiod critical" region in a subset of T. compactum

113 ility in cumulative forcing requirements and photoperiod cues across species and forest types, and sh

114 Thus, photoperiod cues, patterns of genetic variation, and sum

115 reeding mammals use the annual change in the photoperiod cycle to drive rhythmic nocturnal melatonin

116 re control seedlings were acclimated to long photoperiod (day/night 14/10 h), warm temperature (22 de

117 activation of FLOWERING LOCUS T (FT) during photoperiod-dependent floral initiation.

118 onal allele of FT permitting measurements of photoperiod-dependent flowering behavior.

119 Photoperiod-dependent flowering depends on timely expres

120 s a circadian clock gene that contributes to photoperiod-dependent flowering in plants, with loss-of-

121 Thus, we propose the recruitment model of photoperiod-dependent flowering where NF-Y complexes, bo

122 ave overlapping functionality in Arabidopsis photoperiod-dependent flowering, we have identified thre

123 ger (CrDOF) gene controls transcription in a photoperiod-dependent manner, and its misexpression infl

124 on of the florigens in an abscisic acid- and photoperiod-dependent manner, so that early flowering on

125 ccumulation of reactive oxygen species, in a photoperiod-dependent manner.

126 The photoperiod-dependent switch from diapause to reproducti

127 etermined mainly by VRN1 and VRN2 genes) and photoperiod (determined mainly by PPD1 and CO2 genes).

128 genomic regions underlying a > 2 h critical photoperiod difference between allopatric populations, a

129 artemisiifolia L.), from a temperature- and photoperiod-driven phenology model.

130 ture effects are mediated largely during the photoperiod during spring/summer (long days) but, as day

131 adian clock had to adapt to extreme seasonal photoperiods during their colonisation of temperate regi

132 Here, we demonstrate that day length (photoperiod) during development induces enduring changes

133 ve cycles is the change in day length (i.e., photoperiod), encoded by the pattern of melatonin secret

134 easonally breeding mammals such as sheep use photoperiod, encoded by the nocturnal secretion of the p

135 ve growth, as well as their insensitivity to photoperiod, establish a dual role for phytochromes to a

136 We show that photoperiod explains more seasonal variation in photosyn

137 atically and persistently increased by short photoperiod exposure in utero.

138 and is linked to the pattern of day length (photoperiod) exposure experienced by the mother during p

139 high-order chromatin level and represses the photoperiod flowering pathway in Arabidopsis.

140 We also assessed variation in the critical photoperiod for flowering and surveyed neutral genetic m

141 gated the genetics of divergence in critical photoperiod for flowering between yellow monkeyflowers M

142 gated the genetics of divergence in critical photoperiod for flowering between yellow monkeyflowers M

143 lation in the phyC(AB) mutant of the central photoperiod gene photoperiod 1 (PPD1) and its downstream

144 vioral analysis, we found that the perinatal photoperiod has lasting effects on the circadian rhythms

145 ys responsible for the flowering response to photoperiod have been extensively studied in Arabidopsis

146 ther circadian clock genes, HIGH RESPONSE TO PHOTOPERIOD (HR) and DIE NEUTRALIS (DNE), suggests a com

147 and show that one of these, high response to photoperiod (HR), is an ortholog of early flowering 3 (E

148 rly flowering and a decreased sensitivity to photoperiod in a manner similar to a cdf loss-of-functio

149 permit more rapid flowering in noninductive photoperiods in Arabidopsis.

150 sted that very high temperatures during long photoperiods in early summer might also induce cessation

151 l assay, at the transition between different photoperiods, in order to test this proposal in a minima

152 we analyzed the roles of the SWR1c subunits, PHOTOPERIOD-INDEPENDENT EARLY FLOWERING1 (PIE1), ACTIN-R

153 genes for Arabidopsis SWR1 complex subunits photoperiod-independent Early Flowering1, actin-related

154 directly represses FT expression to prevent photoperiod-independent flowering, whereas at dusk EMF1

155 dormancy transitioning were identified using photoperiod induced differences in floral development be

156 es in the response of song-control nuclei to photoperiod-induced changes in LHSs.

157 as examined using flowering-time mutants and photoperiod-induced flowering to separate flowering from

158 scillations of Per2, Cry1, and Bmal1 between photoperiod-induced LHSs.

159 expression of circadian genes changes during photoperiod-induced seasonal life-history states (LHSs).

160 Accounting for photoperiod-induced seasonality in photosynthetic parame

161 Photoperiod-induced transient expression of FT (FLOWERIN

162 ggest the involvement of circadian system in photoperiod induction of seasonal LHSs in a migratory sp

163 sults show that contrasting temperatures and photoperiods influence the sensory quality of broccoli f

164 Winter photoperiods inhibit reproductive neuroendocrine functio

165 V bolus injection of chemerin on a 12 h:12 h photoperiod inhibited food intake and decreased body wei

166 This putative photoperiod insensitive allele (designated Ppd-A1a.4) in

167 ith deletions previously identified in other photoperiod insensitive Ppd1 alleles.

168 cessive sn mutations are early flowering and photoperiod insensitive, with an increased ability to pr

169 of plants transferred from SDs to LDs and in photoperiod-insensitive and transgenic wheat plants with

170 g-flowering hr mutant background show early, photoperiod-insensitive flowering.

171 but many environments require varieties with photoperiod insensitivity (PI) that can flower in short

172 spring barley cultivation as a result of its photoperiod insensitivity.

173 ed, the pathway to flowering in noninductive photoperiods is not well understood.

174 ation seems to be induced primarily by short photoperiods later in autumn, so warming will likely lea

175 ld (vernalisation) followed by long day (LD) photoperiods leading to elevated expression of the flora

176 saplings experiencing a naturally shortening photoperiod; leaves remained equally green in both treat

177 er mechanisms may also have a role, such as 'photoperiod limitation' mechanisms that may become ultim

178 extensions of the growing season, reflecting photoperiod limitations on phenological shifts.

179 e first molecular response activated by long photoperiod (LP).

180 stant temperature but exposed to an extended photoperiod maintained high photosynthetic capacity, but

181 sults establish mechanisms by which seasonal photoperiods may dramatically and persistently alter the

182 b2, implying that it plays a primary role in photoperiod measurement.

183 ine levels were significantly lower in short photoperiod mice, and dopaminergic agonist treatment res

184 Photoperiod modification of starch homeostasis by CO may

185 We studied variation in the critical photoperiod necessary for floral induction and the requi

186 e view that regulation of FTb2 expression by photoperiod occurs via a CO-independent mechanism.

187 lacking on the temporal dynamics in natural photoperiod of photoperiodically regulated genes and the

188 he temperatures 15/9 or 21/15 degrees C, and photoperiods of 12 or 24h, followed by a cold acclimatis

189 The effects of growth temperature and photoperiod on freezing tolerance were most pronounced i

190 for effects of contrasting temperatures and photoperiods on sensory quality and contents of glucosin

191 hythms, we exposed mice to either a standard photoperiod or a long day photoperiod.

192 g the influence of other abiotic cues (e.g., photoperiod) or reductions in fall/winter chilling (vern

193 he sleep-wake cycle in a short light period (photoperiod) paradigm.

194 y be important for the correct regulation of photoperiod pathway genes that have previously been repo

195 homologs of key flowering time genes in the photoperiod pathway such as GIGANTEA (GI), PHOTOPERIOD 1

196 ANS and FLOWERING LOCUS T, components of the photoperiod pathway that regulate flowering time, also c

197 leaf veins specifically at dusk through the photoperiod pathway to induce Arabidopsis flowering.

198 Individual genes in the circadian clock and photoperiod pathway were predominantly expressed from on

199 utations on genes of the circadian clock and photoperiod pathway were studied using genome-specific e

200 he major pathway known to upregulate FT, the photoperiod pathway, is not required for thermal acceler

201 binding to FT chromatin is disrupted by the photoperiod pathway, leading to proper FT activation.

202 sults highlight important differences in the photoperiod pathways of the temperate grasses with those

203 by mediating signals from the autonomous and photoperiod pathways, and by directly activating key gen

204 gen regulation in response to autonomous and photoperiod pathways.

205 CBF transcript levels in short-day (SD; 8-h photoperiod) plants were three- to fivefold higher than

206 expression under long (LD) versus short (SD) photoperiod, pointing to a physiological role.

207 A fourth pea locus, PHOTOPERIOD (PPD), also contributes to the photoperiod r

208 rthern latitudes of low temperature and long photoperiods, produced bigger floral buds, and florets w

209 Long-day photoperiods promote FT expression activation in leaf ve

210 s a facultative long day (LD) plant where LD photoperiod promotes flowering.

211 In an 8-h photoperiod, protein synthesis and cell wall synthesis w

212 elies on the proper timing of flowering, and photoperiod provides a key environmental input.

213 Major critical photoperiod QTLs may be 'speciation genes' and also rest

214 posed to a ramp down in both temperature and photoperiod (RDtp) versus a ramp down in temperature (RD

215 Vernal refractoriness to short photoperiods reestablished summer-like methylation of th

216 As many floral development genes are photoperiod regulated, it has been suggested that they c

217 dian clock to control expression of the main photoperiod-regulated FT gene, FTb2, implying that it pl

218 y, other agents of natural selection such as photoperiod remain constant.

219 xpression and that, in response to inductive photoperiods, repression of SVP contributes to the rise

220 l driven by accumulated cold degree-days and photoperiod reproduces most of the interspecific and int

221 Soybean cultivars have photoperiod requirements restricting its use and product

222 ic neurons through exposure to the short-day photoperiod rescued the behavioral consequences of lesio

223 ng altered circadian rhythms and the reduced photoperiod response associated with the spring habit.

224 fy two major loci controlling differences in photoperiod response between wild and domesticated pea,

225 ay reproductive development depending on the photoperiod response gene PHOTOPERIOD1 (Ppd-H1) and its

226 we examined the effects of daylength and the photoperiod response gene PHOTOPERIOD1 (Ppd-H1) on barle

227 Moreover, it interacts with the major photoperiod response gene Ppd-H1 to accelerate flowering

228 usly selected late-flowering mutation of the photoperiod response gene Ppd-H1.

229 in pea (Pisum sativum) was one of the first photoperiod response genes to be described and provided

230 , PHOTOPERIOD (PPD), also contributes to the photoperiod response in a similar manner to SN and DNE,

231 t functional variant contributing to reduced photoperiod response in cultivars widely deployed in sho

232 r Ghd7, as the most important gene affecting photoperiod response in maize.

233 (CO) ortholog (Cr-CO) in the control of the photoperiod response in the green alga Chlamydomonas rei

234 Photoperiod response in wheat is determined to a large e

235 Photoperiod response is one component of flowering time

236 flowering in long days, indicating a complex photoperiod response mediated by SbFT genes.

237 lts reveal an important component of the pea photoperiod response pathway and support the view that r

238 ng identified ZmCCT, a homologue of the rice photoperiod response regulator Ghd7, as the most importa

239 genetic variation at key genes affecting the photoperiod response to create maize varieties adapted t

240 of cultivation, and thus modification of the photoperiod response was critical for their domesticatio

241 model plant, Arabidopsis, has a facultative photoperiod response.

242 probably account for the differences in the photoperiod-response system between the relative refract

243 The photoperiod responses evolved into the complex signaling

244 e natural variation in the vernalization and photoperiod responses in Brachypodium distachyon, a smal

245 ng complex genes regulate clock function and photoperiod-responsive flowering and suggest that the fu

246 Thus, PCH1 is a new factor that regulates photoperiod-responsive growth by integrating the clock w

247 sensitive to high temperatures and long-day photoperiods, resulting in elongated leaves, compromised

248 ctor-1 mRNA expression were reduced in short photoperiod retinas.

249 s and teosinte grown under floral inhibitory photoperiods reveals that both id1 floral inductive acti

250 in the integration of the vernalization and photoperiod seasonal signals, and provide a flexible com

251 orghum genotypes, induced by SD treatment in photoperiod-sensitive genotypes, cooperatively repressed

252 In photoperiod-sensitive wheat varieties, VRN1 is expressed

253 y tropical species that exhibits substantial photoperiod sensitivity and delayed flowering in long da

254 Genotypes with reduced photoperiod sensitivity enabled sorghum's utilization as

255 Three pea (Pisum sativum) loci controlling photoperiod sensitivity, HIGH RESPONSE (HR), DIE NEUTRAL

256 onds to Ppd-D1, a major gene involved in the photoperiod sensitivity.

257 osthatch and later exposed in captivity to a photoperiod shift simulating an autumn migration.

258 rkably, the GABAergic activity in a long-day photoperiod shifts from inhibition toward excitation.

259 in many species in the absence of a changing photoperiod signal, leading to the generation of circann

260 DING, KELCH REPEAT, F BOX1 components of the photoperiod-signaling pathway involved in flowering.

261 The expression of AcMFT was regulated by photoperiod similar to that for FT under both long day a

262 tures in early autumn (under relatively long photoperiods), so warming will likely delay cessation an

263 n the repressed state at MAF5 chromatin in a photoperiod-specific manner.

264 lant performance specifically under long day photoperiods, suggesting that humans selected slower cir

265 ior, particularly when studied under a short photoperiod, supporting a possible role for PER3 in mood

266 ed increased miR172 levels under a short-day photoperiod, supporting miR172 regulation via the miR156

267 ent environmental signals such as changes in photoperiod, temperature or water and food availability;

268 Chilling (autumn/winter) temperatures and photoperiod tend to be important cues for species with e

269 n Siberian hamsters exposed to long day (LD) photoperiods that increase appetite and adiposity, howev

270 al meristem falls when plants are exposed to photoperiods that induce flowering, and this correlates

271 biomass data from two laboratories, for five photoperiods, three accessions, and a transgenic line, h

272 further north, which may be a response to a photoperiod threshold.

273 n of circadian clock components early in the photoperiod, thus defining a 'metabolic dawn'.

274 As key elements of the response to photoperiod, thyroid hormone signalling components were

275 pha to relay a redox signal generated by the photoperiod to maintain meristem function.

276 Plants utilize variation in day length (photoperiod) to anticipate seasonal changes.

277 h) buds were floral competent by 21 days of photoperiod treatment (56 days after budbreak); however,

278 into dormancy regulation suggesting a short-photoperiod treatment provides an additive cross-talk ef

279 Photoperiod treatments were imposed 35 days after budbre

280 gnificantly differentially expressed between photoperiod treatments.

281 Predictable seasonal change in photoperiod triggers a sequential change in the daily ac

282 day (SD) 'winter' and long-day (LD) 'summer' photoperiods under different levels of salinity simulati

283 ts experienced dynamic daily temperature and photoperiod variation over a year.

284 ait that often depends on the integration of photoperiod, vernalization, gibberellin and/or autonomou

285 antiphase light and temperature cycles (cold photoperiod/warm night [-DIF]), most species exhibit red

286 served a significant increase in activity as photoperiod was shifted from 13L:11D (light:dark) to 12L

287 Therefore, the influence of photoperiod was studied on inflorescence primordia diffe

288 xed duration with a start date determined by photoperiod, we find B is tracked by phenotypic plastici

289 Long photoperiods were associated with increased in-cage acti

290 by pinealectomy and maintenance in constant photoperiod, were selected when expressing a subjective

291 els and caused early flowering regardless of photoperiod, whereas CO levels were reduced in the fbh q

292 eaves is induced by light but insensitive to photoperiod, whereas in stolon tips growing in the dark,

293 led a complex relationship between phase and photoperiod, which is also captured by the model.

294 chanism to promote flowering in noninductive photoperiods, which contributes to the facultative natur

295 In alpine regions, photoperiod will constrain spring plant phenology, limit

296 A spring phenology model that combines photoperiod with accumulated heating and chilling to pre

297 Finally, using mice housed under photoperiods with simulated dawn/dusk transitions, we co

298 We identify extensive variation in critical photoperiod, with most annual populations requiring subs

299 g either a long (EYA3(+)) or short (CHGA(+)) photoperiod, with the relative proportion in each state

300 l flowering of spring barley under inductive photoperiods, with chemical and genetic attenuation of t