Plant Physiol. Journal of Pharmacology and Experimental Therapeutics
HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
 QUICK SEARCH:   [advanced]


     


First published online March 16, 2007; 10.1104/pp.107.095802

Plant Physiology 144:248-257 (2007)
© 2007 American Society of Plant Biologists

OPEN ACCESS ARTICLE
This Article
Free via Open Access: OA
Right arrow OA Full Text
Right arrow Full Text (PDF)
Right arrowOA All Versions of this Article:
144/1/248    most recent
pp.107.095802v1
Right arrow Alert me when this article is cited
Right arrow Alert me if a correction is posted
Services
Right arrow Email this article to a friend
Right arrow Similar articles in this journal
Right arrow Similar articles in ISI Web of Science
Right arrow Similar articles in PubMed
Right arrow Alert me to new issues of the journal
Right arrow Download to citation manager
Right arrow reprints & permissions
Citing Articles
Right arrow Citing Articles via HighWire
Right arrow Citing Articles via ISI Web of Science (7)
Right arrow Citing Articles via Google Scholar
Google Scholar
Right arrow Articles by Gyllenstrand, N.
Right arrow Articles by Lagercrantz, U.
Right arrow Search for Related Content
PubMed
Right arrow PubMed Citation
Right arrow Articles by Gyllenstrand, N.
Right arrow Articles by Lagercrantz, U.
Agricola
Right arrow Articles by Gyllenstrand, N.
Right arrow Articles by Lagercrantz, U.
ENVIRONMENTAL STRESS AND ADAPTATION TO STRESS

A Norway Spruce FLOWERING LOCUS T Homolog Is Implicated in Control of Growth Rhythm in Conifers1,[OA]

Niclas Gyllenstrand, David Clapham, Thomas Källman and Ulf Lagercrantz*

Department of Evolutionary Functional Genomics, Evolutionary Biology Centre, Uppsala University, SE–752 36 Uppsala, Sweden (N.G., T.K., U.L.); and Department of Plant Biology and Forest Genetics, Swedish University of Agricultural Sciences, SE–750 07 Uppsala, Sweden (D.C.)

Growth in perennial plants possesses an annual cycle of active growth and dormancy that is controlled by environmental factors, mainly photoperiod and temperature. In conifers and other nonangiosperm species, the molecular mechanisms behind these responses are currently unknown. In Norway spruce (Picea abies L. Karst.) seedlings, growth cessation and bud set are induced by short days and plants from southern latitudes require at least 7 to 10 h of darkness, whereas plants from northern latitudes need only 2 to 3 h of darkness. Bud burst, on the other hand, is almost exclusively controlled by temperature. To test the possible role of Norway spruce FLOWERING LOCUS T (FT)-like genes in growth rhythm, we have studied expression patterns of four Norway spruce FT family genes in two populations with a divergent bud set response under various photoperiodic conditions. Our data show a significant and tight correlation between growth rhythm (both bud set and bud burst), and expression pattern of one of the four Norway spruce phosphatidylethanolamine-binding protein gene family members (PaFT4) over a variety of experimental conditions. This study strongly suggests that one Norway spruce homolog to the FT gene, which controls flowering in angiosperms, is also a key integrator of photoperiodic and thermal signals in the control of growth rhythms in gymnosperms. The data also indicate that the divergent adaptive bud set responses of northern and southern Norway spruce populations, both to photoperiod and light quality, are mediated through PaFT4. These results provide a major advance in our understanding of the molecular control of a major adaptive trait in conifers and a tool for further molecular studies of adaptive variation in plants.


1 This work was supported by the Swedish Research Council, the Swedish Research Council for Environment, Agricultural Sciences, and Spatial Planning, the Carl Tryggers Foundation, and the Philip-Sörensen Foundation. N.G. was supported by the European Union (grant no. QLRT–2001–01973 to Martin Lascoux).

The author responsible for distribution of materials integral to the findings presented in this article in accordance with the policy described in the Instructions for Authors (www.plantphysiol.org) is: Ulf Lagercrantz (ulf.lagercrantz{at}ebc.uu.se).

[OA] Open Access articles can be viewed online without a subscription.

www.plantphysiol.org/cgi/doi/10.1104/pp.107.095802

* Corresponding author; e-mail ulf.lagercrantz{at}ebc.uu.se; fax 46–18–471–64 27.

Received January 12, 2007; accepted March 10, 2007; published March 16, 2007.




This article has been cited by other articles:


Home page
J Exp BotHome page
Compiled by, F. Tooke, T. Chiurugwi, and N. Battey
Flowering Newsletter bibliography for 2007
J. Exp. Bot., July 18, 2008; (2008) ern109v1.
[Full Text] [PDF]


Home page
DevelopmentHome page
R. Komiya, A. Ikegami, S. Tamaki, S. Yokoi, and K. Shimamoto
Hd3a and RFT1 are essential for flowering in rice
Development, February 15, 2008; 135(4): 767 - 774.
[Abstract] [Full Text] [PDF]


Home page
Plant Physiol.Home page
O. N. Danilevskaya, X. Meng, Z. Hou, E. V. Ananiev, and C. R. Simmons
A Genomic and Expression Compendium of the Expanded PEBP Gene Family from Maize
Plant Physiology, January 1, 2008; 146(1): 250 - 264.
[Abstract] [Full Text] [PDF]


Home page
J Exp BotHome page
F. Nishikawa, T. Endo, T. Shimada, H. Fujii, T. Shimizu, M. Omura, and Y. Ikoma
Increased CiFT abundance in the stem correlates with floral induction by low temperature in Satsuma mandarin (Citrus unshiu Marc.)
J. Exp. Bot., November 13, 2007; (2007) erm246v1.
[Abstract] [Full Text] [PDF]


Home page
Plant Physiol.Home page
V. Hecht, C. L. Knowles, J. K. Vander Schoor, L. C. Liew, S. E. Jones, M. J.M. Lambert, and J. L. Weller
Pea LATE BLOOMER1 Is a GIGANTEA Ortholog with Roles in Photoperiodic Flowering, Deetiolation, and Transcriptional Regulation of Circadian Clock Gene Homologs
Plant Physiology, June 1, 2007; 144(2): 648 - 661.
[Abstract] [Full Text] [PDF]




HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
ASPB Publications PLANT PHYSIOLOGY THE PLANT CELL
Copyright © 2007 by the American Society of Plant Biologists