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Активация биохимических механизмов защиты растений при действии нефтяного загрязнения и парааминобензойной кислоты

Authors: Osipova, E. S.; Petukhova, G. A.; Perekupka, A. G.;

Активация биохимических механизмов защиты растений при действии нефтяного загрязнения и парааминобензойной кислоты

Abstract

Изучено влияние нефтяного загрязнения на системы биохимической защиты растений. В качестве тест-объектов использовались рогоз узколистный (Typha angustifolia L.), осока сероватая (Carex canescens L.), собранные с территории разлива нефти на Кальчинском месторождении Тюменской области. В исследовании также использовался овес посевной (Avena sativa L.), выращенный на нефтезагрязненной почве и при поливе нефтезагрязненной водой с Кальчинского месторождения. При выращивании овса посевного на нефтезагрязненной почве было отмечено угнетение морфофизиологических и биохимических показателей. При выращивании овса на воде, загрязненной нефтью, выявленные закономерности прослеживались слабее. Из растений, произрастающих на Кальчинском месторождении, наименее чувствительным к нефтяному загрязнению оказался рогоз узколистный, более чувствительной осока сероватая. Нефтяное загрязнение вызывает возникновение в клетках растений продуктов перекисного окисления липидов: шиффовых оснований и диеновых конъюгатов. Повреждающее действие нейтрализуется системой биохимической защиты растений (каротиноидной, флавоноидной и фенольной). Парааминобензойная кислота частично снимает повреждающее действие нефти, что выражается в увеличении концентрации хлорофиллов, каротиноидов и флавоноидов. Наиболее эффективными веществами при защите клеток от окислительного стресса являются фенолы.

The article explores the topic of the influence of oil pollution on the biochemical plant protection systems. The tests were carried out on the species of the narrow-leaved catoptric (Typha angustifolia L.) and hoary sedge (Carex canescens L.) collected from an oil spill in Kalchinskoe field of the Tyumen region. We also used cultivated oat (Avena sativa L.) which was grown in the oil contaminated soil and watered with oil contaminated water from Kalchinskoe field. The article states that the morpho-physiological and biochemical features of the cultivated oat growing in the oil contaminated soil are negatively affected. Such negative effect was smaller in the cultivated oat watered with oil contaminated water. The narrow-leaved catoptric is the least sensitive to oil pollution and the hoary sedge is the most sensitive. Oil pollution causes development of lipid peroxygenation products such as Schiff's bases and diethenoid conjugates in the plant cells. The damaging effect is neutralized by biochemical protection systems of the plants (such as carotinoid, flavonoid and phenolic). Para-aminobenzoic acid partially eliminates the negative effect of oil. It leads to increase in the concentration of chlorophyll, carotinoid and flavonoids. Phenols are the most effective substances in the biochemical plant protection system against oxidative stress.

Keywords

para-aminobenzoic acid, парааминобензойная кислота (ПАБК), lipid peroxygenation, перекисное окисление липидов (ПОЛ), oil pollution, системы биохимической защиты растений, нефтяное загрязнение, biochemical plant protection system

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green