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  Comparison of intracellular location and stimulus reaction times of forisomes in sieve tubes of four legume species

Furch, A. C. U., Paulmann, M. K., Wegner, L., Kunert, G., & Van Bel, A. J. (2018). Comparison of intracellular location and stimulus reaction times of forisomes in sieve tubes of four legume species. Plant Signaling & Behavior, 13(8): e1503493. doi:10.1080/15592324.2018.1503493.

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GER517.pdf (Publisher version), 2MB
 
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Furch, Alexandra C. U., Author
Paulmann, Maria K.1, 2, Author              
Wegner, Linus, Author
Kunert, Grit1, Author              
Van Bel, Art J.E., Author
Affiliations:
1Department of Biochemistry, Prof. J. Gershenzon, MPI for Chemical Ecology, Max Planck Society, ou_421893              
2IMPRS on Ecological Interactions, MPI for Chemical Ecology, Max Planck Society, Jena, DE, ou_421900              

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 Abstract: Forisomes in legumes are responsible for fast sieve-element occlusion in response to injury to the vascular system. This prevents uncontrolled leakage of phloem sap and protects against invasion of pathogens. Here we compared forisomes of four different legumes (Pisum sativum, Vicia faba, Trifolium pratense and Medicago sativa) by their location (basal, central, apical) in the sieve element and reactivity to a distant heat stimulus. In each species, the majority of forisomes was located basally. Yet, we found differences in intracellular location: forisomes are distributed more evenly in the sieve elements of Pisum. After burning, basally located forisomes of the four species reacted with dispersion, followed by a spontaneous recondensation with similar reaction times. The results suggest universal forisome behaviour in fabacean species.

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 Dates: 2018-06-272018-08-152018-09
 Publication Status: Published in print
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 Identifiers: Other: GER517
DOI: 10.1080/15592324.2018.1503493
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Title: Plant Signaling & Behavior
  Other : Plant Signaling and Behavior
Source Genre: Journal
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Publ. Info: Rio Grande St., Austin : Landes Bioscience
Pages: - Volume / Issue: 13 (8) Sequence Number: e1503493 Start / End Page: - Identifier: ISSN: 1559-2316
CoNE: https://pure.mpg.de/cone/journals/resource/1559-2316