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  Fitness consequences of altering floral circadian oscillations for Nicotiana attenuata

Yon, F., Kessler, D., Joo, Y., Cortés Llorca, L., Kim, S.-G., & Baldwin, I. T. (2017). Fitness consequences of altering floral circadian oscillations for Nicotiana attenuata. Journal of Integrative Plant Biology, 59(3), 180-189. doi:10.1111/jipb.12511.

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http://dx.doi.org/10.1111/jipb.12511 (Publisher version)
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 Creators:
Yon, Felipe1, 2, Author              
Kessler, Danny1, Author              
Joo, Youngsung1, 2, Author              
Cortés Llorca, Lucas1, Author              
Kim, Sang-Gyu1, Author              
Baldwin, Ian Thomas1, Author              
Affiliations:
1Department of Molecular Ecology, Prof. I. T. Baldwin, MPI for Chemical Ecology, Max Planck Society, ou_24029              
2IMPRS on Ecological Interactions, MPI for Chemical Ecology, Max Planck Society, Jena, DE, ou_421900              

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 Abstract: Ecological interactions between flowers and pollinators are all about timing. Flower opening/closing and scent emissions are largely synchronized with pollinator activity, and a circadian clock regulates these rhythms. However, whether the circadian clock increases a plant’s reproductive success by regulating these floral rhythms remains untested. Flowers of Nicotiana attenuata, a wild tobacco, diurnally and rhythmically open, emit scent and move vertically through a 140º arc to interact with nocturnal hawkmoths. We tethered flowers to evaluate the importance of flower positions for Manduca sexta-mediated pollinations; flower position dramatically influenced pollination. We examined the pollination success of phase-shifted flowers, silenced in circadian clock genes, NaZTL, NaLHY, and NaTOC1, by RNAi. Circadian rhythms in N. attenuata flowers are responsible for altered seed set from outcrossed pollen.

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 Dates: 2016-12-122017-022017-03
 Publication Status: Published in print
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 Identifiers: Other: ITB535
DOI: 10.1111/jipb.12511
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Title: Journal of Integrative Plant Biology
Source Genre: Journal
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Publ. Info: Beijing : Blackwell Publ. Asia Pty
Pages: - Volume / Issue: 59 (3) Sequence Number: - Start / End Page: 180 - 189 Identifier: ISSN: 1672-9072
CoNE: https://pure.mpg.de/cone/journals/resource/1672-9072