Research Progress into the Function of Purple Acid Phosphatase Gene Family in Plants

doi:10.11983/CBB18044

Abstract

Abstract: Purple acid phosphatases (PAPs) are members of the metallo-phosphoesterase family identified from a wide range of plants. They are characterized by the presence of five conserved structure motifs and seven amino acid residues in the C-terminal. PAPs have mostly been studied for their potential involvement in phosphorus acquisition and redistribution because of their ability to catalyze the hydrolysis of activated phosphate esters and anhydrides under acidic conditions. Recent studies also showed that PAPs play important roles in modulating plant carbon metabolism, cell wall synthesis and pathogen resistance, etc. This review focuses on the structure, family members and regulatory factors of PAPs, with special emphasis on the recent progress of their biological functions, which will provide theoretical reference for further study of PAPs in plants.

Key words: purple acid phosphatases (PAPs), biological function, regulatory factors

Ming Wei,Xinwei Wang,Bo Chen,Chengwei Song,Liang Du,Jianwei Xiao,Jinxing Lin. Research Progress into the Function of Purple Acid Phosphatase Gene Family in Plants[J]. Chinese Bulletin of Botany, 2019, 54(1): 93-101.

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URL: https://www.chinbullbotany.com/EN/10.11983/CBB18044

https://www.chinbullbotany.com/EN/Y2019/V54/I1/93

Figures/Tables 4

Figure 1 3D-structure of KBPAP of Phaseolus vulgaris (modified from Strater et al., 1995)

Figure 2 Phylogenetic relationships of plant PAPs (modified from Tian and Liao, 2015) At: Arabidopsis thaliana; Os: Oryza sativa; Gm: Glycine max; Mt: Medicago truncatula; Nt: Nicotiana tabacum; Zm: Zea mays; Hv: Hordeum vulgare; Ta: Triticum aestivum; Vr: Vigna radiata; Pv: Phaseolus vulgaris

Table 1 Biochemical properties functions of plant PAPs (modified from Tian and Liao, 2015)

蛋白	物种	功能	参考文献
AtPAP2	拟南芥	碳代谢	Sun et al., 2012a
AtPAP10	拟南芥	参与初生壁合成	Kaida et al., 2003
AtPAP12	拟南芥	磷代谢	Wang et al., 2014
AtPAP15	拟南芥	响应非生物逆境胁迫	Zhang et al., 2008
AtPAP25	拟南芥	磷代谢	Del Vecchio et al., 2014
AtPAP26	拟南芥	磷代谢	Wang et al., 2014
GmPAP3	大豆	响应非生物逆境胁迫	Li et al., 2008
GmPAP4	大豆	响应非生物逆境胁迫	Kong et al., 2014
NtPAP12	烟草	参与初生壁合成	Kaida et al., 2010
PvPAP3	菜豆	磷代谢	Liang et al., 2010
StPAP1	马铃薯	磷代谢	Zimmermann et al., 2004

Figure 3 Schematic model of SAP expression and formation of cluster root under phosphorus deficiency (modified from Wasaki et al., 2003) (A) Under sufficient P conditions, SAP localizes around the epidermal cells of roots, and only a small amount of SAP is secreted; (B) After P stress treatment, SAP is released from roots rapidly within 12 h, however, SAP secretion remains at a low level for a long time; (C) After the decrease of P content in tissues, cluster roots form and SAP secretion significantly increases.

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