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The molecular basis of photoperiodism

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Pages 353-380 | Published online: 16 Feb 2007

References

  • Ahmad , M , Jarillo , J A , Smirnova , O and Cashmore , A R . 1998 . The CRY1 blue light photoreceptor of Arabidopsis interacts with phytochrome A in vitro . Mol Cell , 1 : 939 – 948 .
  • Alabadí , D , Oyama , T , Yanovsky , M J , Harmon , F G , Más , P and Kay , S A . 2001 . Reciprocal regulation between TOC1 and LHY/CCA1 within the Arabidopsis circadian clock . Science , 293 : 880 – 883 .
  • Alabadí , D , Yanovsky , M J , Más , P , Harmer , S L and Kay , S A . 2002 . Critical role for CCA1 and LHY in maintaining circadian rhythmicity in Arabidopsis . Curr Biol , 12 : 757 – 761 .
  • An , H , Roussot , C , Suarez-Lopez , P , Corbesier , L , Vincent , C , Pineiro , M , Hepworth , S , Mouradov , A , Justin , S , Turnbull , C GN and Coupland , G . 2004 . CONSTANS acts in the phloem to regulate a systemic signal that induces photoperiodic flowering of Arabidopsis . Development , 131 : 3615 – 3626 .
  • Ayre , B and Turgeon , R . 2004 . Graft transmission of a floral stimulant derived from CONSTANS . Plant Physiol , 135 : 1 – 8 .
  • Basu , D , Dehesh , K , Schneider-Poetsch , H J , Harrington , S E , McCouch , S R and Quail , P H . 2000 . Rice PHYC gene: structure, expression, map position and evolution . Plant Mol Biol , 44 : 27 – 42 .
  • Bauer , D , Viczian , A , Kircher , S , Nobis , T , Nitschke , R , Kunkel , T , Panigrahi , K CS , Ádám , E , Fejes , E , Schäfer , E and Nagy , F . 2004 . Constitutive photomorphogenesis 1 and multiple photoreceptors control degradation of phytochrome interacting factor 3, a transcription factor required for light signaling in Arabidopsis . Plant Cell , 16 : 1433 – 1445 .
  • Boss , P K , Bastow , R M , Mylne , J S and Dean , C . 2004 . Multiple pathways in the decision to flower: enabling, promoting, and resetting . Plant Cell , 16 : S18 – S31 .
  • Briggs , W R and Christie , J M . 2002 . Phototropins 1 and 2: versatile plant blue-light receptors . Trends Plant Sci , 7 : 204 – 210 .
  • Bünning , E . 1936 . Die endogene Tagesrhythmik als Grundlage der photoperiodischen Reaktion . Ber Deutsch Bot Ges , 54 : 590 – 607 .
  • Bünning , E . 1960 . Circadian rhythms and the time measurement in photoperiodism . Cold Spr Harb Symp Quant Biol , 25 : 249 – 256 .
  • Cashmore , A R . 2003 . Cryptochromes: enabling plants and animals to determine circadian time . Cell , 114 : 537 – 543 .
  • Cerdan , P and Chory , J . 2003 . Regulation of flowering time by light quality . Nature , 423 : 881 – 885 .
  • Covington , M F , Panda , S , Liu , X L , Strayer , C A , Wagner , D R and Kay , S A . 2001 . ELF3 modulates resetting of the circadian clock in Arabidopsis . Plant Cell , 13 : 1305 – 1316 .
  • Corbesier , L and Coupland , G . 2005 . Photoperiodic flowering in Arabidopsis: integrating genetic and physiological approaches to characterization of the floral stimulus . Plant Cell Environ , 28 : 54 – 66 .
  • Daniel , X , Sugano , S and Tobin , E M . 2004 . CK2 phosphorylation of CCA1 is necessary for its circadian oscillator function in Arabidopsis . Proc Natl Acad Sci USA , 101 : 3292 – 3297 .
  • Dehesh , K , Tepperman , J , Christensen , A H and Quail , P H . 1991 . phyB is evolutionarily conserved and constitutively expressed in rice seedling shoots . Mol Gen Genet , 225 : 305 – 313 .
  • Devlin , P F and Kay , S A . 2000 . Cryptochromes are required for phytochrome signaling to the circadian clock but not for rhythmicity . Plant Cell , 12 : 2499 – 2510 .
  • Devlin , P F and Kay , S A . 2001 . Circadian photoperception . Ann Rev Physiol , 63 : 677 – 694 .
  • Doi , K , Izawa , T , Fuse , T , Yamanouchi , U , Kubo , T , Shimatani , Z , Yano , M and Yoshimura , A . 2004 . Edh1, a B-type response regulator in rice, confers short-day promotion of flowering and controls FT-like gene expression independently of Hd1 . Genes Dev , 18 : 926 – 936 .
  • Doyle , M R , Davis , S J , Bastow , R M , McWatters , H G , Kozma-Bognar , L , Nagy , F , Millar , A J and Amasino , R M . 2002 . The ELF4 gene controls circadian rhythms and flowering time in Arabidopsis thaliana . Nature , 419 : 74 – 77 .
  • Duek , P D , Elmer , M V , van Oosten , V R and Fanhauser , C . 2004 . The degradation of HFR1, a putative bHLH class transcription factor involved in light signalling is regulated by phosphorylation and requires COP1 . Curr Biol , 14 : 2296 – 2301 .
  • Duek , P D and Fanhauser , C . 2005 . bHLH class transcription factor take centre stage in phytochrome signalling . Trend Plant Sci , 10 : 51 – 54 .
  • Ewin , E E and Struik , P C . 1992 . Tuber formation in potato: induction, initiation and growth . Hortic Rev , 14 : 89 – 197 .
  • Farre , E M , Harmer , S L , Harmon , F G , Yanovsky , M J and Kay , S A . 2005 . Overlapping and distinct roles of PRR7 and PRR9 in the Arabidopsis circadian clock . Curr Biol , 15 : 47 – 54 .
  • Frewen , B E , Chen , T H , Howe , G T , Davis , J , Rohde , A , Boerjan , W and Bradshaw , H D Jr . 2000 . Quantitative trait loci and candidate gene mapping of bud set and bud flush in populus . Genetics , 154 : 837 – 845 .
  • Fowler , S , Lee , K , Onouchi , H , Samach , A , Richardson , K , Morris , B , Coupland , G and Putterill , J . 1999 . GIGANTEA: a circadian clock-controlled gene that regulates photoperiodic flowering in Arabidopsis and encodes a protein with several membrane-spanning domains . EMBO J , 18 : 4679 – 4688 .
  • Garner , W W and Allard , H A . 1920 . Effect of the relative length of day and night and other factors of the environment on growth and reproduction in plants . J Agric Res , 18 : 553 – 606 .
  • Goff , S A , Ricke , D , Lan , T H , Presting , G , Wang , R , Dunn , M , Glazebrook , J , Sessions , A , Oeller , P , Varma , H , Hadley , D , Hutchison , D , Martin , C , Katagiri , F , Lange , B M , Moughamer , T , Xia , Y , Budworth , P , Zhong , J , Miguel , T , Paszkowski , U , Zhang , S , Colbert , M , Sun , W L , Chen , L , Cooper , B , Park , S , Wood , T C , Mao , L , Quail , P , Wing , R , Dean , R , Yu , Y , Zharkikh , A , Shen , R , Sahasrabudhe , S , Thomas , A , Cannings , R , Gutin , A , Pruss , D , Reid , J , Tavtigian , S , Mitchell , J , Eldredge , G , Scholl , T , Miller , R M , Bhatnagar , S , Adey , N , Rubano , T , Tusneem , N , Robinson , R , Feldhaus , J , Macalma , T , Oliphant , A and Briggs , S . 2002 . A draft sequence of the rice genome Oryza sativa L. ssp. japonica . Science , 296 : 92 – 100 .
  • Goto , N , Kumagai , T and Koornneef , M . 1991 . Flowering responses to light-breaks in photomorphogenic mutants of Arabidopsis thaliana, a long-day plant . Physiol Plant , 83 : 209 – 215 .
  • Green , R M and Tobin , E M . 1999 . Loss of the circadian clock-associated protein 1 in Arabidopsis results in altered clock-regulated gene expression . Proc Natl Acad Sci USA , 96 : 4176 – 4179 .
  • Griffiths , S , Dunford , R P , Coupland , G and Laurie , D A . 2003 . The evolution of CONSTANS-like gene families in barley, rice, and Arabidopsis . Plant Physiol , 131 : 1855 – 1867 .
  • Guo , H , Yang , H , Mockler , T C and Lin , C . 1998 . Regulation of flowering time by Arabidopsis photoreceptors . Science , 279 : 1360 – 1363 .
  • Hall , A , Bastow , R M , Davis , S J , Hanano , S , McWatters , H G , Hibberd , V , Doyle , M R , Sung , S , Halliday , K J , Amasino , R M and Millar , A J . 2003 . The TIME FOR COFFEE gene maintains the amplitude and timing of Arabidopsis circadian clocks . Plant Cell , 15 : 2719 – 2729 .
  • Hall , A , Kozma-Bognar , L , Bastow , R M , Nagy , F and Millar , A J . 2002 . Distinct regulation of CAB and PHYB gene expression by similar circadian clocks . Plant J , 32 : 529 – 537 .
  • Hamner , K C . 1940 . Interaction of light and darkness in photoperiodic induction . Bot Gaz , 101 : 658 – 687 .
  • Hamner , K C and Bonner , J . 1938 . Photoperiodism in relation to hormones as factors in floral initiation and development . Bot Gaz , 100 : 388 – 431 .
  • Han , L , Mason , M , Risseeuw , E P , Crosby , W L and Somers , D E . 2004 . Formation of an SCFZTL complex is required for proper regulation of circadian timing . Plant J , 40 : 291 – 301 .
  • Harmer , S L , Hogenesch , J B , Straume , M , Chang , H S , Han , B , Zhu , T , Wang , X , Kreps , J A and Kay , S A . 2000 . Orchestrated transcription of key pathways in Arabidopsis by the circadian clock . Science , 290 : 2110 – 2113 .
  • Hayama , R and Coupland , G . 2004 . The molecular basis of diversity in the photoperiodic flowering responses of Arabidopsis and rice . Plant Physiol , 135 : 677 – 684 .
  • Hayama , R , Izawa , T and Shimamoto , K . 2002 . Isolation of rice genes possibly involved in the photoperiodic control of flowering by a fluorescent differential display method . Plant Cell Physiol , 43 : 494 – 504 .
  • Hayama , R , Yokoi , S , Tamaki , S , Yano , M and Shimamoto , K . 2003 . Adaptation of photoperiodic control pathways produces short-day flowering in rice . Nature , 422 : 719 – 722 .
  • Hennig , L , Funk , M , Whitelam , G C and Schafer , E . 1999 . Functional interaction of cryptochrome 1 and phytochrome D . Plant J , 20 : 289 – 294 .
  • Hicks , K A , Albertson , T M and Wagner , D R . 2001 . EARLY FLOWERING3 encodes a novel protein that regulates circadian clock function and flowering in Arabidopsis . Plant Cell , 6 : 1281 – 1292 .
  • Hicks , K A , Millar , A J , Carré , I A , Somers , D E , Straume , M , Meeks-Wagner , D R and Kay , S A . 1996 . Conditional circadian dysfunction of the Arabidopsis early-flowering 3 mutant . Science , 274 : 790 – 792 .
  • Huq , E , Tepperman , J M and Quail , P H . 2000 . GIGANTEA is a nuclear protein involved in phytochrome signaling in Arabidopsis . Proc Nat Acad Sci USA , 97 : 9654 – 9658 .
  • Imaizumi , T , Tran , H G , Swartz , T E , Briggs , W R and Kay , S A . 2003 . FKF1 is essential for photoperiodic-specific light signalling in Arabidopsis . Nature , 426 : 302 – 306 .
  • Izawa , T , Oikawa , T , Sugiyama , N , Tanisaka , T , Yano , M and Shimamoto , K . 2002 . Phytochrome mediates the external light signal to repress FT orthologs in photoperiodic flowering of rice . Genes Dev , 16 : 2006 – 2020 .
  • Izawa , T , Oikawa , T , Tokutomi , S , Okuno , K and Shimamoto , K . 2000 . Phytochromes confer the photoperiodic control of flowering in rice a short-day plant . Plant J , 22 : 391 – 399 .
  • Izawa , T , Takahashi , Y and Yano , M . 2003 . Comparative biology comes into bloom: genomic and genetic comparison of flowering pathways in rice and Arabidopsis . Curr Opin Plant Biol , 6 : 113 – 120 .
  • Jackson , S D . 1999 . Multiple signalling pathways control tuber induction in potato . Plant Physiol , 119 : 1 – 8 .
  • Jackson , S D , James , P , Prat , S and Thomas , B . 1998 . Phytochrome B affects the level of a graft-transmissible signal involved in tuberization . Plant Physiol , 117 : 29 – 32 .
  • Jarillo , J A , Capel , J , Tang , R H , Yang , H Q , Alonso , J M , Ecker , J R and Cashmore , A R . 2001 . An Arabidopsis circadian clock component interacts with both CRY1 and PHYB . Nature , 410 : 487 – 490 .
  • Johnson , E , Bradley , M , Harberd , N P and Whitelam , G C . 1994 . Photoresponses of light grown phyA mutants of Arabidopsis . Plant Physiol , 105 : 141 – 149 .
  • Kardailsky , I , Shukla , V K , Ahn , J H , Dagenais , N , Christensen , S K , Nguyen , J T , Chory , J , Harrison , M J and Weigel , D . 1999 . Activation tagging of the floral inducer FT . Science , 286 : 1962 – 1965 .
  • Kim , W Y , Geng , R and Somers , D E . 2003c . Circadian phase-specific degradation of the F-box protein ZTL is mediated by the proteasome . Proc Nat Acad Sci USA , 100 : 4933 – 4938 .
  • Kim , J , Yi , H , Choi , G , Shin , B , Song , P S and Choi , G . 2003a . Functional characterization of Phytochrome Interacting Factor 3 in phytochrome-mediated light signal transduction . Plant Cell , 15 : 2399 – 2407 .
  • Kim , J Y , Song , H R , Taylor , B L and Carré , I A . 2003b . Light-regulated translation mediates gated induction of the Arabidopsis clock protein LHY . EMBO J , 22 : 935 – 944 .
  • Klebs , G . 1913 . Über das Verhältnis der Aussenwelt zur Entwicklung der Pflanze . Sber. Akad. Wiss. Heidelberg , 5 : 1 – 47 .
  • Kleine , T , Lockhart , P and Batschauer , A . 2003 . An Arabidopsis protein closely related to Synechocystis cryptochrome is targeted to organelles . Plant J , 35 : 93 – 103 .
  • Knott , J E . 1934 . Effect of a localized photoperiod on spinach . Proc Soc Hortic Sci , 31 : 152 – 154 .
  • Kobayashi , Y , Kaya , H , Goto , K , Iwabuchi , M and Araki , T . 1999 . A pair of related genes with antagonistic roles in mediating flowering signals . Science , 286 : 1960 – 1962 .
  • Kojima , S , Takahashi , Y , Kobayashi , Y , Monna , L , Sasaki , T , Araki , T and Yano , M . 2002 . Hd3a, a rice ortholog of the Arabidopsis FT gene, promotes transition to flowering downstream of Hd1 under short-day conditions . Plant Cell Physiol , 43 : 1096 – 1105 .
  • Kuno , N , Moller , S G , Shinomura , T , Xu , X , Chua , N H and Furuya , M . 2003 . The novel MYB protein EARLY-PHYTOCHROME-RESPONSIVE1 is a component of a slave circadian oscillator in Arabidopsis . Plant Cell , 15 : 2476 – 2488 .
  • Lee , H , Suh , S S , Park , E , Cho , E , Ahn , J H , Kim , S G , Lee , J S , Kwon , Y M and Lee , I . 2000 . The AGAMOUS-LIKE 20 MADS domain protein integrates floral inductive pathways in Arabidopsis . Genes Dev , 14 : 2366 – 2376 .
  • Li , C , Junttila , O , Ernstsen , A , Heino , P and Palva , E T . 2003 . Photoperiodic control of growth, cold acclimation and dormancy development in silver birch Betula pendula ecotypes . Physiol Plant , 117 : 206 – 212 .
  • Lin , C and Shalitin , D . 2003 . Cryptochrome structure and signal transduction . Ann. Rev Plant Biol , 54 : 469 – 496 .
  • Liu , J , Yu , J , McIntosh , L , Kende , H and Zeevaart , J A . 2001 . Isolation of a CONSTANS ortholog from Pharbitis nil and its role in flowering . Plant Physiol , 125 : 1821 – 1830 .
  • Liu , X L , Covington , M F , Fankhauser , C , Chory , J and Wagner , D R . 2001 . ELF3 encodes a circadian clock-regulated nuclear protein that functions in an Arabidopsis PHYB signal transduction pathway . Plant Cell , 13 : 1293 – 1304 .
  • Makino , S , Kiba , T , Imamura , A , Hanaki , N , Nakamura , A , Suzuki , T , Taniguchi , M , Ueuchi , C , Sugiyama , T and Mizuno , T . 2000 . Gene encoding pseudo-response regulators: insight into His-to-Asp phosphorelay and circadian rhythm in Arabidopsis thaliana . Plant Cell Physiol , 41 : 1002 – 1012 .
  • Makino , S , Matshusika , A , Kojima , M , Yamashino , T and Mizuno , T . 2002 . The APRR1/TOC1 quintet implicated in circadian rhythms of Arabidopsis thaliana: I. Characterization with APRR1-over-expressing plants . Plant Cell Physiol , 43 : 58 – 69 .
  • Martínez-García , J F , Huq , E and Quail , P H . 2000 . Direct targeting of light signals to a promoter element-bound transcription factor . Science , 288 : 859 – 863 .
  • Martínez-García , J F , Virgos-Soler , A and Prat , S . 2002 . Control of photoperiod regulated tuberization in potato by the Arabidopsis flowering-time gene CONSTANS . Proc Natl Acad Sci USA , 99 : 15211 – 15216 .
  • Más , P , Devlin , P F , Panda , S and Kay , S A . 2000 . Functional interaction of phytochrome B and cryptochrome 2 . Nature , 408 : 207 – 211 .
  • Mas , P , Alabadi , D , Yanovsky , M J , Oyama , T and Kay , S A . 2003 . Dual role of TOC1 in the control of circadian and photomorphogenic responses in Arabidopsis . Plant Cell , 1 : 223 – 236 .
  • Más , P , Kim , W Y , Somers , D E and Kay , S A . 2003 . Targeted degradation of TOC1 by ZTL modulates circadian function in Arabidopsis thaliana . Nature , 426 : 567 – 570 .
  • Matsumoto , N , Hirano , T , Iwasaki , T and Yamamoto , N . 2003 . Functional analysis and intracellular localization of rice cryptochromes . Plant Physiol , 133 : 1494 – 1503 .
  • Matsushika , A , Makino , S , Kojima , M and Mizuno , T . 2000 . Circadian waves of expression of the APRR1/TOC1 family of pseudo-response regulators in Arabidopsis thaliana: insight into the plant circadian clock . Plant Cell Physiol , 41 : 1002 – 1012 .
  • McClung , C R , Salomé , P A and Michael , T P . 2002 . “ The Arabidopsis circadian system ” . In The Arabidopsis Book , Edited by: Somerville , C R and Meyerowitz , E M . 123 Rockville, MD : American Society of Plant Biologists . DOI 10.1199/tab.0044. http://www.aspb.org/publications/arabidopsis/
  • Mc Watters , H G , Bastow , R M , Hall , A and Millar , A J . 2000 . The ELF3 zeitnehmer regulates light signalling to the circadian clock . Nature , 408 : 716 – 720 .
  • Michael , T P , Salomé , P A , Yu , H J , Spencer , T R , Sharp , E L , Alonso , J M , Ecker , J R and McClung , C R . 2003 . Enhanced fitness conferred by naturally occurring variation in the circadian clock . Science , 302 : 1049 – 1053 .
  • Millar , A J , Carre , I A , Strayer , C A , Chua , N H and Kay , S A . 1995 . Circadian clock mutants in Arabidopsis identified by luciferase imaging . Science , 267 : 1161 – 1163 .
  • Mizoguchi , T , Wheatley , K , Hanzawa , Y , Wright , L , Mizoguchi , M , Song , H R , Carre , I A and Coupland , G . 2002 . LHY and CCA1 are partially redundant genes required to maintain circadian rhythms in Arabidopsis . Dev Cell , 2 : 629 – 641 .
  • Mizuno , T . 2004 . Plant response regulators implicated in signal transduction and circadian rhythm . Curr Opi Plant Biol , 7 : 499 – 505 .
  • Mockler , T C , Guo , H , Yang , H , Duong , H and Lin , C . 1999 . Antagonistic actions of Arabidopsis cryptochromes and phytochrome B in the regulation of floral induction . Development , 126 : 2073 – 2082 .
  • Mockler , T , Yang , H , Yu , X H , Parikh , D , Cheng , Y C , Dolan , S and Lin , C . 2003 . Regulation of photoperiodic flowering by Arabidopsis photoreceptors . Proc Nat Acad Sci USA , 100 : 2140 – 2145 .
  • Monte , E , Alonso , J M , Ecker , J R , Zhang , Y , Li , X , Young , J , Austin-Phillips , S and Quail , P H . 2003 . Isolation and characterization of phyC mutants in Arabidopsis reveals complex crosstalk between phytochrome signaling pathways . Plant Cell , 9 : 1962 – 1980 .
  • Murakami , M , Matsushika , A , Ashikari , M , Yamasino , T and Mizuno , T . 2005 . Circadian-associated rice pseudo response regulators OSPRRs: Insight into the control of flowering time . Biosci Biotechnol Biochem , 69 : 410 – 414 .
  • Nelson , D C , Lasswell , J , Rogg , L E , Cohen , M A and Bartel , B . 2000 . FKF1, a clock-controlled gene that regulates the transition to flowering in Arabidopsis . Cell , 101 : 331 – 340 .
  • Nemoto , Y , Kisaka , M , Fuse , T , Yano , M and Ogihara , Y . 2003 . Characterization and functional analysis of three wheat genes with homology to the CONSTANS flowering time gene in transgenic rice . Plant J , 36 : 82 – 93 .
  • Ni , M , Tepperman , J M and Quail , P H . 1998 . PIF3, a phytochrome-interacting factor necessary for normal photo-induced signal transduction, is a novel basic helix-loop-helix protein . Cell , 95 : 657 – 667 .
  • Ni , M , Tepperman , J M and Quail , P H . 1999 . Binding of phytochrome B to its nuclear signalling partner PIF3 is reversibly induced by light . Nature , 400 : 781 – 784 .
  • Oda , A , Fujiwara , S , Kamada , H , Coupland , G and Mizoguchi , T . 2004 . Antisense suppression of the Arabidopsis PIF3 gene does not affect circadian rhythms but causes early flowering and increases FT expression . FEBS Lett. , 557 : 259 – 264 .
  • Olsen , J E , Junttila , O , Nilsen , J , Eriksson , M E , Matinussen , I , Olsson , O , Sandberg , G and Moritz , T . 1997 . Ectopic espression of oat phytochrome A in hybrid aspen changes critical daylength for growth and prevents cold acclimatization . Plant J , 12 : 1339 – 1350 .
  • Onouchi , H , Igeño , M I , Perilleux , C , Graves , K and Coupland , G . 2000 . Mutagenesis of plants over-expressing CONSTANS demonstrates novel interactions among Arabidopsis flowering-time genes . Plant Cell , 12 : 885 – 900 .
  • Park , D H , Somers , D E , Kim , Y S , Choy , Y H , Lim , H K , Soh , M S , Kim , H J , Kay , S A and Nam , H G . 1999 . Control of circadian rhythms and photoperiodic flowering by the Arabidopsis GIGANTEA gene . Science , 285 : 1579 – 1582 .
  • Pittendrigh , C S . 1960 . Circadian rhythms and the circadian organization of living systems . Cold Spring Harbor Symp Quant Biol , 25 : 159 – 184 .
  • Pittendrigh , C S and Minis , D H . 1964 . The entrainment of circadian oscillations by light and their role as photoperiodic clocks . Am Nat , 108 : 261 – 295 .
  • Puhakainen , T , Li , C , Boije-Malm , M , Kangasjarvi , J , Heino , P and Palva , E T . 2004 . Short-day potentiation of low temperature-induced gene expression of a C-repeat-binding factor-controlled gene during cold acclimation in silver birch . Plant Physiol , 136 : 4299 – 4307 .
  • Putterill , J , Laurie , R and Macknight , R . 2004 . It's time to flower: the genetic control of flowering time . Bioessays , 26 : 363 – 373 .
  • Putterill , J , Robson , F , Lee , K , Simon , R and Coupland , G . 1995 . The CONSTANS gene of Arabidopsis promotes flowering and encodes a protein showing similarities to zinc finger transcription factors . Cell , 80 : 847 – 857 .
  • Quail , P . 2002 . Phytochrome photosensory signalling networks . Nat Rev Mol Cell Biol , 2 : 85 – 93 .
  • Robson , F , Costa , M MR , Hepworth , S , Vizir , I , Pineiro , M , Reeves , P H , Putterill , J and Coupland , G . 2001 . Functional importance of conserved domains in the flowering-time gene CONSTANS demonstrated by analysis of mutant alleles and transgenic plants . Plant J , 28 : 619 – 631 .
  • Roden , L C , Song , H R , Jackson , S , Morris , K and Carre , I . 2002 . Floral responses to photoperiod are correlated with the timing of rhythmic expresson relative to dawn and dusk in Arabidopsis . Proc Natl Acad Sci USA , 99 : 13313 – 13318 .
  • Saijo , Y , Sullivan , J A , Wang , H , Yang , J , Shen , Y , Rubio , V , Ma , L , Hoecker , U and Deng , X W . 2003 . The COP1-SPA1 interaction defines a critical step in phytochrome A-mediated regulation of HY5 activity . Genes Dev , 17 : 2642 – 2647 .
  • Salomé , P A and McClung , C R . 2005 . What makes the Arabidopsis clock tick on time? A review on entrainment . Plant Cell Environ , 28 : 21 – 38 .
  • Samach , A , Onouchi , H , Gold , S E , Ditta , G S , Schwarz-Sommer , Z , Yanofsky , M F and Coupland , G . 2000 . Distinct roles of CONSTANS target genes in reproductive development of Arabidopsis . Science , 288 : 1613 – 1616 .
  • Schaffer , R , Ramsay , N , Samach , A , Corden , S , Putterill , J , Carré , I A and Coupland , G . 1998 . LATE ELONGATED HYPOCOTYL, an Arabidopsis gene encoding a MYB transcription factor, regulates circadian rhythmicity and photoperiodic responses . Cell , 93 : 1219 – 1229 .
  • Schultz , T F and Kay , S A . 2003 . Circadian clocks in daily and seasonal control of development . Science , 301 : 326 – 328 .
  • Schultz , T F , Kiyosue , T , Yanovsky , M , Wada , M and Kay , S A . 2001 . A role for LKP2 in the circadian clock of Arabidopsis . Plant Cell , 13 : 2659 – 2670 .
  • Searle , I and Coupland , G . 2004 . Induction of flowering by seasonal changes in photoperiod . EMBO J , 23 : 1217 – 1222 .
  • Seo , H S , Watanabe , E , Tokutomi , S , Nagatani , A and Chua , N H . 2004 . Photoreceptor ubiquitination by COP1 E3 ligase desensitizes phytochrome A signaling . Genes Dev , 18 : 617 – 622 .
  • Seo , H S , Yang , J Y , Ishikawa , M , Bolle , C , Ballesteros , M L and Chua , N H . 2003 . LAF1 ubiquitination by COP1 controls photomorphogenesis and is stimulated by SPA1 . Nature , 423 : 995 – 999 .
  • Simon , R , Igeno , M I and Coupland , G . 1996 . Activation of floral meristem identity genes in Arabidopsis . Nature , 384 : 59 – 62 .
  • Somers , D E , Devlin , P and Kay , S A . 1998a . Phytochromes and cryptochromes in the entrainment of the Arabidopsis circadian clock . Science , 282 : 1488 – 1490 .
  • Somers , D E , Webb , A AR , Pearson , M and Kay , S A . 1998b . The short-period mutant, toc1-1, alters circadian clock regulation of multiple outputs throughout development in Arabidopsis thaliana . Development , 125 : 485 – 494 .
  • Somers , D E , Kim , W Y and Geng , R . 2004 . The F-Box protein ZEITLUPE confers dosage-dependent control on the circadian clock, photomorphogenesis, and flowering time . Plant Cell , 16 : 769 – 782 .
  • Somers , D E , Schultz , T F , Milnamow , M and Kay , S A . 2000 . ZEITLUPE encodes a novel clock-associated PAS protein from Arabidopsis . Cell , 101 : 319 – 329 .
  • Spalding , E P and Folta , K M . 2005 . Illuminating topics in plant biology . Plant Cell Environ , 28 : 39 – 53 .
  • Staiger , D , Allenbach , L , Salathia , N , Fiechter , V , Davis , S J , Millar , A J , Chory , J and Fankhauser , C . 2003 . The Arabidopsis SRR1 gene mediates phyB signaling and is required for normal circadian clock function . Genes Dev , 17 : 256 – 268 .
  • Strayer , C , Oyama , T , Schultz , T F , Raman , R , Somers , D E , Más , P , Panda , S , Kreps , J A and Kay , S A . 2000 . Cloning of the Arabidopsis clock gene TOC1, an autoregulatory response regulator homolog . Science , 289 : 768 – 771 .
  • Suarez-Lopez , P , Wheatley , K , Robson , F , Onouchi , H , Valverde , F and Coupland , G . 2001 . CONSTANS mediates between the circadian clock and the control of flowering in Arabidopsis . Nature , 410 : 1116 – 1120 .
  • Sugano , S , Andronis , C , Green , R M , Wang , Z Y and Tobin , E M . 1998 . Protein kinase CK2 interacts with and phosphorylates the Arabidopsis circadian clock-associated 1 protein . Proc Natl Acad Sci USA , 95 : 11020 – 11025 .
  • Sugano , S , Andronis , C , Ong , M S , Green , R M and Tobin , E M . 1999 . The protein kinase CK2 is involved in regulation of circadian rhythms in Arabidopsis . Proc Natl Acad Sci USA , 96 : 12362 – 12366 .
  • Takada , S and Goto , K . 2003 . TERMINAL FLOWER2, an Arabidopsis homolog of HETEROCHROMATIN PROTEIN1, counteracts the activation of FLOWERING LOCUS T by CONSTANS in the vascular tissues of leaves to regulate flowering time . Plant Cell , 15 : 2856 – 2865 .
  • Takahashi , Y , Shomura , A , Sasaki , T and Yano , M . 2001 . Hd6, a rice quantitative trait locus involved in photoperiod sensitivity, encodes the subunit of protein kinase CK2 . Proc Natl Acad Sci USA , 98 : 7922 – 7927 .
  • Takano , M , Kanegae , H , Shinomura , T , Miyao , A , Hirochika , H and Furuya , M . 2001 . Isolation and characterization of rice phytochrome A mutants . Plant Cell , 13 : 521 – 534 .
  • Tepperman , J M , Zhu , T , Chang , H S , Wang , X and Quail , P H . 2001 . Multiple transcription-factor genes are early targets of phytochrome A signaling . Proc Natl Acad Sci USA , 98 : 9437 – 9442 .
  • Thomas , B and Vince-Prue , B . 1997 . Photoperiodism in plants, , 2nd ed , San Diego, CA : Academic Press .
  • Tournois , J . 1912 . Influence de la lumière sur la floraison du houblon japonais et du chanvre déterminées par des semis haitifs. C.R. Hebd . Séanc. Acad Sci Paris , 155 : 297 – 300 .
  • Tournois , J . 1914 . Études sur la sexualité du houblon . Annis Sci Nat Bot , 19 : 49 – 191 .
  • Valverde , F , Mouradov , A , Soppe , W , Ravenscroft , D , Samach , A and Coupland , G . 2004 . Photoreceptor regulation of CONSTANS protein in photoperiodic flowering . Science , 303 : 1003 – 1006 .
  • Vaz Nunes , M and Saunders , D . 1999 . Photoperiodic time measurement in insects: a review of clock models . J Biol Rhythms , 14 : 84 – 104 .
  • Wang , Z Y and Tobin , E M . 1998 . Constitutive expression of the CIRCADIAN CLOCK ASSOCIATED 1 CCA1 gene disrupts circadian rhythms and suppresses its own expression . Cell , 93 : 1207 – 1217 .
  • Weller , J L , Murfet , I C and Reid , J B . 1997 . Pea mutants with reduced sensitivity to far-red light define an important role for phytochrome A in daylength detection . Plant Physiol , 114 : 1225 – 1236 .
  • Welling , A , Rinne , P , Vihera-Aarnio , A , Kontunen-Soppela , S , Heino , P and Palva , E T . 2004 . Photoperiod and temperature differentially regulate the expression of two dehydrin genes during overwintering of birch Betula pubescens Ehrh . J Exp Bot , 55 : 507 – 516 .
  • Yamashino , T , Matsushika , A , Fujimori , T , Sato , S , Kato , T , Tabata , S and Mizuno , T . 2003 . A link between circadian-controlled bHLH factors and the APRR1/TOC1 quintet in Arabidopsis thaliana . Plant Cell Physiol , 44 : 619 – 629 .
  • Yano , M , Katayose , Y , Ashikari , M , Yamanouchi , U , Monna , L , Fuse , T , Baba , T , Yamamoto , K , Umehara , Y , Nagamura , Y and Sasaki , T . 2000 . Hd1, a major photoperiod sensitivity quantitative trait locus in rice, is closely related to the Arabidopsis flowering time gene CONSTANS . Plant Cell , 12 : 2473 – 2484 .
  • Yano , M , Kojima , S , Takashi , Y , Lin , H and Sasaki , T . 2001 . Genetic control of flowering time in rice, a short-day plant . Plant Physiol , 127 : 1425 – 1429 .
  • Yanovsky , M J and Kay , S A . 2002 . Molecular basis of seasonal time measurement in Arabidopsis . Nature , 419 : 308 – 312 .
  • Yanovsky , M J and Kay , S A . 2003 . Living by the calendar: how plants know when to flower . Nat Rev Mol Cell Biol , 4 : 265 – 275 .
  • Yanovsky , M J , Mazzella , M A and Casal , J J . 2000 . A quadruple photoreceptor mutant still keeps track of time . Curr Biol , 10 : 1013 – 1015 .
  • Yasuhara , M , Mitsui , S , Hirano , H , Takanabe , R , Tokioka , Y , Ihara , N , Komatsu , A , Seki , M , Shinozaki , K and Kiyosue , T . 2004 . Identification of ASK and clock associated proteins as molecular partners of LKP2 (LOV kelch protein 2) in Arabidopsis . J Exp Bot , 55 : 2015 – 2027 .
  • Young , M W and Kay , S A . 2001 . Time zones: a comparative genetics of circadian clocks . Nat Rev Genet , 2 : 702 – 715 .
  • Zhong , H H , Painter , J E , Salomé , P A , Straume , M and McClung , C R . 1998 . Imbibition, but not release from stratification, sets the circadian clock in Arabidopsis seedlings . Plant Cell , 10 : 2005 – 2017 .

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