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Changes in the properties of membranes and lipoxygenase activity in the roots of Pisum sativum L. in response to the action of hydroxycinnamic acids

100%

Gmerek J., Politycka B.

Acta Physiologiae Plantarum

2007

tom 29

nr 1 Suppl.

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Response of maize, pea and radish roots to allelochemical stress

100%

Gmerek J., Politycka B.

Acta Biologica Cracoviensia. Series Botanica

2011

tom 53

nr 1

We examined whether allelochemical stress leads to increased lipoxygenase activity in roots of sweet maize (Zea mays L. ssp. saccharata), pea (Pisum sativum L.) and radish (Raphanus sativum L. var. radicula). The lipoxygenase activity of soluble and membrane-bound fractions was assessed in roots after exposure to ferulic and p-coumaric acids. Lipid peroxidation and membrane injury were determined as indicators of stress. Increased lipoxygenase activity of both studied fractions was followed by lipid peroxidation and plasma membrane injury. The results suggest the key role of lipoxygenase in plasma membrane injury during allelochemical stress caused by administration of hydroxycinnamic acids.

Ograniczanie wyników

1 Acta Biologica Cracoviensia. Series Botanica

1 Acta Physiologiae Plantarum

2 Gmerek J.

2 Politycka B.

1 2011

1 2007

Wyniki wyszukiwania

Changes in the properties of membranes and lipoxygenase activity in the roots of Pisum sativum L. in response to the action of hydroxycinnamic acids

Response of maize, pea and radish roots to allelochemical stress