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Article
2023
The research process of PSK biosynthesis, signaling transduction, and potential applications in Brassica napus
The research process of PSK biosynthesis, signaling transduction, and potential applications in Brassica napus
Abstract (English)
Phytosulfokine (PSK) is a disulfated pentapeptide that acts as a growth regulator to control plant growth and development as well as adaptability to biotic and abiotic stress. In the last three decades, PSK has drawn increasing attention due to its various functions. Preproproteins that have been tyrosine sulfonylated and then cleaved by specific enzymes contribute to mature PSK. To transfer a signal from the apoplast to the inner cells, the PSK peptide must bind to the PSK receptors (PSKR1 and PSKR2) at the cell surface. The precise mechanism of PSK signal transduction is still unknown, given that PSKR combines receptor and kinase activity with a capacity to bind calmodulin (CaM). The binding of PSK and PSKR stimulates an abundance of cGMP downstream from PSKR, further activating a cation-translocating unit composed of cyclic nucleotide-gated channel 17 (CNGC17), H+-ATPases AHA1 and AHA2, and BRI-associated receptor kinase 1 (BAK1). Recently, it has been revealed that posttranslational ubiquitination is closely related to the control of PSK and PSKR binding. To date, the majority of studies related to PSK have used Arabidopsis. Given that rapeseed and Arabidopsis share a close genetic relationship, the relevant knowledge obtained from Arabidopsis can be further applied to rapeseed.
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Plants, 12 (2023), 17, 3075.
https://doi.org/10.3390/plants12173075.
ISSN: 2223-7747
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English
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570 Biology
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Sustainable Development Goals
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@article{Shen2023,
url = {https://hohpublica.uni-hohenheim.de/handle/123456789/16215},
doi = {10.3390/plants12173075},
author = {Shen, Xuwen and Stührwohldt, Nils and Lin, Chen et al.},
title = {The research process of PSK biosynthesis, signaling transduction, and potential applications in Brassica napus},
journal = {Plants},
year = {2023},
volume = {12},
number = {17},
}