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Involvement of a novel Arabidopsis phospholipase D, AtPLDδ, in dehydration‐inducible accumulation of phosphatidic acid in stress signalling
Open accessAbstract
Summary: Phospholipid metabolism is involved in plant responses to drought and salinity stress. To investigate the role of phospholipase D (PLD) and its product phosphatidic acid (PtdOH) in stress signalling, we isolated a novel PLD cDNA, designated AtPLDδ, by screening a cDNA library prepared from dehydrated Arabidopsis thaliana. The AtPLDδ protein, of 868 amino acids, has a putative catalytic domain and a C2 domain that is involved in Ca 2+/phospholipid binding. The AtPLDδ mRNA accumulated in response to dehydration and high salt stress. Histochemical analysis showed that the AtPLDδ gene is strongly expressed in the vascular tissues of cotyledons and leaves under dehydration stress conditions. Under normal growth conditions, AtPLDδ was expressed in roots, leaves, stems and flowers but not in siliques. We showed that dehydration stimulates the accumulation of PtdOH. The accumulation of PtdOH in response to dehydration was significantly suppressed in AtPLDδ antisense transgenic plants. These results suggest that AtPLDδ may be involved in PtdOH accumulation in the dehydration stress response.
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Citations
Cited by
Cell Signaling during Cold, Drought, and Salt Stress
Xiong, L., Schumaker, K. S., & Zhu, J.-K. (2002) · The Plant Cell · doi:10.1105/tpc.000596 · Cited by 2,372
Signaling functions of phosphatidic acid
WANG, X., DEVAIAH, S., ZHANG, W., & WELTI, R. (2006) · Progress in Lipid Research · doi:10.1016/j.plipres.2006.01.005 · Cited by 757
Phospholipid-Based Signaling in Plants
Meijer, H. J. G., & Munnik, T. (2003) · Annual Review of Plant Biology · doi:10.1146/annurev.arplant.54.031902.134748 · Cited by 587
Fatty Acid– and Lipid-Mediated Signaling in Plant Defense
Lim, G.-H., Singhal, R., Kachroo, A., & Kachroo, P. (2017) · Annual Review of Phytopathology · doi:10.1146/annurev-phyto-080516-035406 · Cited by 448
Narrowing Down the Targets: Towards Successful Genetic Engineering of Drought-Tolerant Crops
Yang, S., Vanderbeld, B., Wan, J., & Huang, Y. (2010) · Molecular Plant · doi:10.1093/mp/ssq016 · Cited by 423
Metadata
- Authors
- Katagiri, T., Takahashi, S., & Shinozaki, K.
- Venue
- The Plant Journal
- Publisher
- Wiley
- Published
- 2001-06
- Volume
- 26
- Issue
- 6
- Pages
- 595-605
- ISSN
- 0960-7412 (ISSN-L)
- 1365-313X
- OpenAlex
- W2168739774
- Cited by
- 230
- References
- 0
- FWCI
- 16.33
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Katagiri, T., Takahashi, S., & Shinozaki, K. (2001). Involvement of a novel Arabidopsis phospholipase D, AtPLDδ, in dehydration‐inducible accumulation of phosphatidic acid in stress signalling. The Plant Journal. https://doi.org/10.1046/j.1365-313x.2001.01060.x
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