The ethylene underground

Kathleen Marie Brown, Yuan Ji Zhang, Hye Ji Kim, Jonathan Paul Lynch

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

The effects of ethylene on such processes as fruit ripening, abscission, and senescence are well known. Ethylene also participates in a variety of responses in the root zone. For example, ethylene affects root extension, root hair development, aerenchyma formation, and root gravitropic responses. We here present evidence for the involvement of ethylene in a variety of root developmental responses to nutrient deficiency and other stresses. Using contrasting genotypes of common bean (Phaseolus vulgaris), we show that ethylene participates in the change in basal root angle in response to phosphorus deficiency. In Arabidopsis thaliana, we show that ethylene and phosphorus deficiency increase root hair density via separate pathways. Using an ethylene-insensitive genotype of petunia (Petunia hybrida), we show that preventing ethylene action increases susceptibility to disease, especially in plants already subjected to nutrient stress. We suggest that ethylene participates in the signaling processes for some, but not all, root developmental responses to edaphic stresses.

Original languageEnglish (US)
Title of host publicationXXVI International Horticultural Congress
Subtitle of host publicationEnvironmental Stress and Horticulture Crops
PublisherInternational Society for Horticultural Science
Pages193-198
Number of pages6
ISBN (Print)9789066054394
DOIs
StatePublished - Jan 1 2003

Publication series

NameActa Horticulturae
Volume618
ISSN (Print)0567-7572

Fingerprint

ethylene
root hairs
phosphorus
Petunia hybrida
Petunia
genotype
abscission
nutrient deficiencies
plant diseases and disorders
Phaseolus vulgaris
rhizosphere
beans
ripening
Arabidopsis thaliana
fruits
nutrients

All Science Journal Classification (ASJC) codes

  • Horticulture

Cite this

Brown, K. M., Zhang, Y. J., Kim, H. J., & Lynch, J. P. (2003). The ethylene underground. In XXVI International Horticultural Congress: Environmental Stress and Horticulture Crops (pp. 193-198). (Acta Horticulturae; Vol. 618). International Society for Horticultural Science. https://doi.org/10.17660/ActaHortic.2003.618.21
Brown, Kathleen Marie ; Zhang, Yuan Ji ; Kim, Hye Ji ; Lynch, Jonathan Paul. / The ethylene underground. XXVI International Horticultural Congress: Environmental Stress and Horticulture Crops. International Society for Horticultural Science, 2003. pp. 193-198 (Acta Horticulturae).
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Brown, KM, Zhang, YJ, Kim, HJ & Lynch, JP 2003, The ethylene underground. in XXVI International Horticultural Congress: Environmental Stress and Horticulture Crops. Acta Horticulturae, vol. 618, International Society for Horticultural Science, pp. 193-198. https://doi.org/10.17660/ActaHortic.2003.618.21

The ethylene underground. / Brown, Kathleen Marie; Zhang, Yuan Ji; Kim, Hye Ji; Lynch, Jonathan Paul.

XXVI International Horticultural Congress: Environmental Stress and Horticulture Crops. International Society for Horticultural Science, 2003. p. 193-198 (Acta Horticulturae; Vol. 618).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Brown KM, Zhang YJ, Kim HJ, Lynch JP. The ethylene underground. In XXVI International Horticultural Congress: Environmental Stress and Horticulture Crops. International Society for Horticultural Science. 2003. p. 193-198. (Acta Horticulturae). https://doi.org/10.17660/ActaHortic.2003.618.21