Restricted O2 consumption in pea roots induced by hexanoic acid is linked to depletion of Krebs cycle substrates

Publikation: Konferencebidrag › Konferenceabstrakt til konference › Forskning › fagfællebedømt

Standard

Restricted O2 consumption in pea roots induced by hexanoic acid is linked to depletion of Krebs cycle substrates. / Gargiulo, Sara; Casolo, Valentino; Zancani, Marco; Pellegrini, Elisa; Filippi, Antonio; Konnerup, Dennis; Morandini, P.; Pedersen, Ole.

2023. 55 Abstract fra Federation of the European Societies of Plant Biology, Marseille, Frankrig.

Publikation: Konferencebidrag › Konferenceabstrakt til konference › Forskning › fagfællebedømt

Harvard

Gargiulo, S, Casolo, V, Zancani, M, Pellegrini, E, Filippi, A, Konnerup, D, Morandini, P & Pedersen, O 2023, 'Restricted O2 consumption in pea roots induced by hexanoic acid is linked to depletion of Krebs cycle substrates', Federation of the European Societies of Plant Biology, Marseille, Frankrig, 03/07/2023 - 07/07/2023 s. 55.

APA

Gargiulo, S., Casolo, V., Zancani, M., Pellegrini, E., Filippi, A., Konnerup, D., Morandini, P., & Pedersen, O. (2023). Restricted O2 consumption in pea roots induced by hexanoic acid is linked to depletion of Krebs cycle substrates. 55. Abstract fra Federation of the European Societies of Plant Biology, Marseille, Frankrig.

Vancouver

Gargiulo S, Casolo V, Zancani M, Pellegrini E, Filippi A, Konnerup D o.a.. Restricted O2 consumption in pea roots induced by hexanoic acid is linked to depletion of Krebs cycle substrates. 2023. Abstract fra Federation of the European Societies of Plant Biology, Marseille, Frankrig.

Author

Gargiulo, Sara ; Casolo, Valentino ; Zancani, Marco ; Pellegrini, Elisa ; Filippi, Antonio ; Konnerup, Dennis ; Morandini, P. ; Pedersen, Ole. / Restricted O2 consumption in pea roots induced by hexanoic acid is linked to depletion of Krebs cycle substrates. Abstract fra Federation of the European Societies of Plant Biology, Marseille, Frankrig.1 s.

Bibtex

@conference{67d1d11d0be84c3391a2c1d499653a79,
title = "Restricted O2 consumption in pea roots induced by hexanoic acid is linked to depletion of Krebs cycle substrates",
abstract = "Hexanoic acid (HA) produced by microorganisms in waterlogged soils causes a decline in plant root O2 consumption, but it is unknown if lack of respiration is due to mitochondrial dysfunction or substrate starvation. We treated Pisum sativum L. roots with 20 mM HA acid at pH 5 and 6 for 1 h and measured leakage of electrolytes, malate, citrate and non-structural carbohydrates (NSC). Afterwards, mitochondria were isolated to assess their functionality, evaluated as electrical potential formation and O2 consumption. HA treatment resulted in root tissue extrusion of K+, malate, citrate and NSC, but the leakage of the organic acids and NSC was increased at pH 5 with the inhibition of O2 consumption and a slight alteration of mitochondrial activity. In conclusion, we propose that undissociated form of HA enters the root cells inducing the efflux of organic acids and NSC and the starvation of mitochondrial respiratory substrates of Krebs cycle with a subsequent decline in O2 consumption.",
author = "Sara Gargiulo and Valentino Casolo and Marco Zancani and Elisa Pellegrini and Antonio Filippi and Dennis Konnerup and P. Morandini and Ole Pedersen",
year = "2023",
language = "English",
pages = "55",
note = "Federation of the European Societies of Plant Biology ; Conference date: 03-07-2023 Through 07-07-2023",
url = "https://europlantbiology2023.org/",

}

RIS

TY - ABST

T1 - Restricted O2 consumption in pea roots induced by hexanoic acid is linked to depletion of Krebs cycle substrates

AU - Gargiulo, Sara

AU - Casolo, Valentino

AU - Zancani, Marco

AU - Pellegrini, Elisa

AU - Filippi, Antonio

AU - Konnerup, Dennis

AU - Morandini, P.

AU - Pedersen, Ole

PY - 2023

Y1 - 2023

N2 - Hexanoic acid (HA) produced by microorganisms in waterlogged soils causes a decline in plant root O2 consumption, but it is unknown if lack of respiration is due to mitochondrial dysfunction or substrate starvation. We treated Pisum sativum L. roots with 20 mM HA acid at pH 5 and 6 for 1 h and measured leakage of electrolytes, malate, citrate and non-structural carbohydrates (NSC). Afterwards, mitochondria were isolated to assess their functionality, evaluated as electrical potential formation and O2 consumption. HA treatment resulted in root tissue extrusion of K+, malate, citrate and NSC, but the leakage of the organic acids and NSC was increased at pH 5 with the inhibition of O2 consumption and a slight alteration of mitochondrial activity. In conclusion, we propose that undissociated form of HA enters the root cells inducing the efflux of organic acids and NSC and the starvation of mitochondrial respiratory substrates of Krebs cycle with a subsequent decline in O2 consumption.

AB - Hexanoic acid (HA) produced by microorganisms in waterlogged soils causes a decline in plant root O2 consumption, but it is unknown if lack of respiration is due to mitochondrial dysfunction or substrate starvation. We treated Pisum sativum L. roots with 20 mM HA acid at pH 5 and 6 for 1 h and measured leakage of electrolytes, malate, citrate and non-structural carbohydrates (NSC). Afterwards, mitochondria were isolated to assess their functionality, evaluated as electrical potential formation and O2 consumption. HA treatment resulted in root tissue extrusion of K+, malate, citrate and NSC, but the leakage of the organic acids and NSC was increased at pH 5 with the inhibition of O2 consumption and a slight alteration of mitochondrial activity. In conclusion, we propose that undissociated form of HA enters the root cells inducing the efflux of organic acids and NSC and the starvation of mitochondrial respiratory substrates of Krebs cycle with a subsequent decline in O2 consumption.

M3 - Conference abstract for conference

SP - 55

T2 - Federation of the European Societies of Plant Biology

Y2 - 3 July 2023 through 7 July 2023

ER -

ID: 346909807