Liangliang Yu*, Wenjun Zhou, Danping Zhang, Junhui Yan, Li Luo
Phyton-International Journal of Experimental Botany, Vol.89, No.4, pp. 873-881, 2020, DOI:10.32604/phyton.2020.011882
Abstract Phytosulfokine-α (PSK-α), a sulfated pentapeptide with the sequence
YIYTQ, is encoded by a small precursor gene family in Arabidopsis. PSK-α regulates multiple growth and developmental processes as a novel peptide hormone.
Despite its importance, functions of PSK-α in M. truncatula growth remains
unknown. In this study, we identified five genes to encode PSK-α precursors in
M. truncatula. All of these precursors possess conserved PSK-α signature motif.
Expression pattern analysis of these MtPSK genes revealed that each gene was
expressed in a tissue-specific or ubiquitous pattern and three of them were remarkably expressed in root. Treatment of M. truncatula seedlings with… More >
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