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

0548706 - BÚ 2022 RIV FR eng J - Journal Article
Jakšová, J. - Adamec, Lubomír - Petřík, Ivan - Novák, Ondřej - Šebela, M. - Pavlovič, A.
Contrasting effect of prey capture on jasmonate accumulation in two genera of aquatic carnivorous plants (Aldrovanda, Utricularia).
Plant Physiology and Biochemistry. Roč. 166, SEP 2021 (2021), s. 459-465. ISSN 0981-9428
Institutional support: RVO:67985939 ; RVO:61389030
Keywords : Jasmonic acid * Aldrovanda vesiculosa * Utricularia reflexa
OECD category: Biochemistry and molecular biology; Biochemistry and molecular biology (UEB-Q)
Impact factor: 5.437, year: 2021
Method of publishing: Limited access

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 same digestive enzymes were co-opted for botanical carnivory, the mode of their regulation may differ.
Permanent Link: http://hdl.handle.net/11104/0324758