Contrasting effect of prey capture on jasmonate accumulation in two genera of aquatic carnivorous plants (Aldrovanda, Utricularia)

被引:8
|
作者
Jaksova, Jana [1 ]
Adamec, Lubomir [2 ]
Petrik, Ivan [3 ,4 ]
Novak, Ondrej [3 ,4 ]
Sebela, Marek [5 ,6 ]
Pavlovic, Andrej [1 ]
机构
[1] Palacky Univ, Dept Biophys, Ctr Reg Hana Biotechnol & Agr Res, Fac Sci, Slechtitelu 27, CZ-78371 Olomouc, Czech Republic
[2] Czech Acad Sci, Inst Bot, Dept Expt & Funct Morphol, Dukelska135, CZ-37982 Trebon, Czech Republic
[3] Palacky Univ, Lab Growth Regulators, Fac Sci, Slechtitelu 27, CZ-78371 Olomouc, Czech Republic
[4] Czech Acad Sci, Inst Expt Bot, Slechtitelu 27, CZ-78371 Olomouc, Czech Republic
[5] Palacky Univ, Dept Biochem, Fac Sci, Slechtitelu 27, CZ-78371 Olomouc, Czech Republic
[6] Palacky Univ, Ctr Reg Hana Biotechnol & Agr Res, CATRIN, Slechtitelu 27, CZ-78371 Olomouc, Czech Republic
关键词
Abscisic acid; Aldrovanda vesiculosa; Carnivorous plant; Jasmonic acid; Salicylic acid; Utricularia reflexa; VENUS FLYTRAP; TRAP-LOBES; PROTEINS; PERCEPTION; GENOME;
D O I
10.1016/j.plaphy.2021.06.014
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Terrestrial carnivorous plants of genera Drosera, Dionaea and Nepenthes within the order Caryophyllales employ jasmonates for the induction of digestive processes in their traps. Here, we focused on two aquatic carnivorous plant genera with different trapping mechanism from distinct families and orders: Aldrovanda (Droseraceae, Caryophyllales) with snap-traps and Utricularia (Lentibulariaceae, Lamiales) with suction traps. Using phytohormone analyses and simple biotest, we asked whether the jasmonates are involved in the activation of carnivorous response similar to that known in traps of terrestrial genera of Droseraceae (Drosera, Dionaea). The results showed that Utricularia, in contrast with Aldrovanda, does not use jasmonates for activation of carnivorous response and is the second genus in Lamiales, which has not co-opted jasmonate signalling for botanical carnivory. On the other hand, the nLC-MS/MS analyses revealed that both genera secreted digestive fluid containing cysteine protease homologous to dionain although the mode of its regulation may differ. Whereas in Utricularia the cysteine protease is present constitutively in digestive fluid, it is induced by prey and exogenous application of jasmonic acid in Aldrovanda.
引用
收藏
页码:459 / 465
页数:7
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