4 research outputs found
Π‘ΡΠ°Π²Π½ΠΈΡΠ΅Π»ΡΠ½Π°Ρ ΠΎΡΠ΅Π½ΠΊΠ° ΠΏΡΠΎ- ΠΈ Π°Π½ΡΠΈΠΎΠΊΡΠΈΠ΄Π°Π½ΡΠ½ΠΎΠ³ΠΎ ΡΡΠ°ΡΡΡΠ° ΡΠ΅ΠΌΠ΅Π½Π½ΠΎΠ³ΠΎ ΠΏΠΎΡΠΎΠΌΡΡΠ²Π° Plantago major L. ΠΈΠ· Π·ΠΎΠ½ ΡΠ°Π΄ΠΈΠΎΠ°ΠΊΡΠΈΠ²Π½ΠΎΠ³ΠΎ ΠΈ Ρ ΠΈΠΌΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ Π·Π°Π³ΡΡΠ·Π½Π΅Π½ΠΈΡ
There are many studies addressing plant responses to radioactive and chemical contamination of soils, but few works have been devoted to comparison of biological effects in the areas affected by these human-induced factors. Ionizing radiation and heavy metals have different mechanisms of interaction with biota. Both factors, however, are capable of increasing the generation of reactive oxygen species, which cause enzyme malfunction and cell structure damage. The efficiency of antioxidant systems plays an important role in plant resistance to these impacts. The present study offers a comparative evaluation of prooxidant/antioxidant balance in seed progeny of Plantago major L. growing in the East Ural Radioactive Trace (EURT), in the zone affected by operation of the Karabash Copper Smelter (KCS), and in the reference sites. Lipid peroxidation was assessed by determining malondialdehyde. Evaluation of the antioxidant system was based on the activities of superoxide dismutase, catalase, and total peroxidase, and on the content of low-molecular-weight antioxidants. The study showed that the prooxidant and antioxidant statuses of seed progeny of P. major from the contaminated sites were different from the reference samples and from each other. The pooled EURT sample exhibited a prooxidant shift relative to the reference samples, i. e. not only malondialdehyde but also activities of superoxide dismutase and catalase and the content of low-molecular-weight antioxidants were higher than in the reference samples. Malondialdehyde content in seedlings from the KCS zone did not differ from the reference values; superoxide dismutase and catalase activities were decreased whereas peroxidase activity was higher compared to the activities of these enzymes in the reference samples. Thus, the differences in the plant adaptive responses to ionizing radiation and heavy metals are caused by the dissimilarities in the induction of reactive oxygen speciesΠΡΠ²Π΅ΡΠ½ΡΠ΅ ΡΠ΅Π°ΠΊΡΠΈΠΈ ΡΠ°ΡΡΠ΅Π½ΠΈΠΉ Π½Π° Π΄Π΅ΠΉΡΡΠ²ΠΈΠ΅ ΡΠ°Π΄ΠΈΠ°ΡΠΈΠΈ ΠΈ ΡΡΠΆΠ΅Π»ΡΡ
ΠΌΠ΅ΡΠ°Π»Π»ΠΎΠ² ΠΈΠ·ΡΡΠ΅Π½Ρ
Π² ΠΌΠ½ΠΎΠ³ΠΎΡΠΈΡΠ»Π΅Π½Π½ΡΡ
ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡΡ
, Π½ΠΎ ΡΠ°Π±ΠΎΡ ΠΏΠΎ ΡΡΠ°Π²Π½Π΅Π½ΠΈΡ Π±ΠΈΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΈΡ
ΡΡΡΠ΅ΠΊΡΠΎΠ² Π² Π·ΠΎΠ½Π°Ρ
Π²Π»ΠΈΡΠ½ΠΈΡ ΡΡΠΈΡ
ΡΠ΅Ρ
Π½ΠΎΠ³Π΅Π½Π½ΡΡ
ΡΠ°ΠΊΡΠΎΡΠΎΠ² ΠΈΠ·Π²Π΅ΡΡΠ½ΠΎ Π½Π΅ΠΌΠ½ΠΎΠ³ΠΎ. Π Π°Π΄ΠΈΠ°ΡΠΈΡ ΠΈ ΡΡΠΆΠ΅Π»ΡΠ΅ ΠΌΠ΅ΡΠ°Π»Π»Ρ ΠΈΠΌΠ΅ΡΡ
ΡΠ°Π·Π½ΡΠ΅ ΠΌΠ΅Ρ
Π°Π½ΠΈΠ·ΠΌΡ Π²Π·Π°ΠΈΠΌΠΎΠ΄Π΅ΠΉΡΡΠ²ΠΈΡ Ρ Π±ΠΈΠΎΡΠΎΠΉ, Π½ΠΎ ΠΎΠ±Π° ΡΠ°ΠΊΡΠΎΡΠ° ΡΠΏΠΎΡΠΎΠ±Π½Ρ ΡΡΠΈΠ»ΠΈΠ²Π°ΡΡ ΠΎΠ±ΡΠ°Π·ΠΎΠ²Π°Π½ΠΈΠ΅
Π°ΠΊΡΠΈΠ²Π½ΡΡ
ΡΠΎΡΠΌ ΠΊΠΈΡΠ»ΠΎΡΠΎΠ΄Π°, Π²ΡΠ·ΡΠ²Π°ΡΡΠΈΡ
Π½Π°ΡΡΡΠ΅Π½ΠΈΠ΅ ΡΠ°Π±ΠΎΡΡ ΡΠ΅ΡΠΌΠ΅Π½ΡΠΎΠ² ΠΈ ΠΏΠΎΠ²ΡΠ΅ΠΆΠ΄Π΅Π½ΠΈΠ΅
ΠΊΠ»Π΅ΡΠΎΡΠ½ΡΡ
ΡΡΡΡΠΊΡΡΡ, ΠΏΠΎΡΡΠΎΠΌΡ Π²Π°ΠΆΠ½ΡΡ ΡΠΎΠ»Ρ Π² ΡΡΡΠΎΠΉΡΠΈΠ²ΠΎΡΡΠΈ ΡΠ°ΡΡΠ΅Π½ΠΈΠΉ ΠΊ ΡΡΠΈΠΌ Π²ΠΎΠ·Π΄Π΅ΠΉΡΡΠ²ΠΈΡΠΌ
ΠΈΠ³ΡΠ°Π΅Ρ ΡΡΡΠ΅ΠΊΡΠΈΠ²Π½ΠΎΡΡΡ ΡΠ°Π±ΠΎΡΡ Π°Π½ΡΠΈΠΎΠΊΡΠΈΠ΄Π°Π½ΡΠ½ΡΡ
ΡΠΈΡΡΠ΅ΠΌ. ΠΠ°Π½Π° ΡΡΠ°Π²Π½ΠΈΡΠ΅Π»ΡΠ½Π°Ρ ΠΎΡΠ΅Π½ΠΊΠ°
ΠΏΡΠΎ- ΠΈ Π°Π½ΡΠΈΠΎΠΊΡΠΈΠ΄Π°Π½ΡΠ½ΠΎΠ³ΠΎ ΡΡΠ°ΡΡΡΠ° ΡΠ΅ΠΌΠ΅Π½Π½ΠΎΠ³ΠΎ ΠΏΠΎΡΠΎΠΌΡΡΠ²Π° Plantago major L. ΠΈΠ· ΠΏΠΎΠΏΡΠ»ΡΡΠΈΠΉ,
ΠΏΡΠΎΠΈΠ·ΡΠ°ΡΡΠ°ΡΡΠΈΡ
Π² Π³ΠΎΠ»ΠΎΠ²Π½ΠΎΠΉ ΡΠ°ΡΡΠΈ ΠΠΎΡΡΠΎΡΠ½ΠΎ-Π£ΡΠ°Π»ΡΡΠΊΠΎΠ³ΠΎ
ΡΠ°Π΄ΠΈΠΎΠ°ΠΊΡΠΈΠ²Π½ΠΎΠ³ΠΎ ΡΠ»Π΅Π΄Π° (ΠΠ£Π Π‘) ΠΈ Π² Π·ΠΎΠ½Π΅
Π²Π»ΠΈΡΠ½ΠΈΡ ΠΠ°ΡΠ°Π±Π°ΡΡΠΊΠΎΠ³ΠΎ ΠΌΠ΅Π΄Π΅ΠΏΠ»Π°Π²ΠΈΠ»ΡΠ½ΠΎΠ³ΠΎ Π·Π°Π²ΠΎΠ΄Π° (ΠΠΠ), Π° ΡΠ°ΠΊΠΆΠ΅ Π½Π° ΡΠΎΠ½ΠΎΠ²ΡΡ
ΡΠ΅ΡΡΠΈΡΠΎΡΠΈΡΡ
.
ΠΠ½ΡΠ΅Π½ΡΠΈΠ²Π½ΠΎΡΡΡ ΠΏΡΠΎΡΠ΅ΡΡΠΎΠ² ΠΏΠ΅ΡΠ΅ΠΊΠΈΡΠ½ΠΎΠ³ΠΎ ΠΎΠΊΠΈΡΠ»Π΅Π½ΠΈΡ Π»ΠΈΠΏΠΈΠ΄ΠΎΠ² ΠΎΠΏΡΠ΅Π΄Π΅Π»ΡΠ»ΠΈ ΠΏΠΎ ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΠ°ΡΠΈΠΈ
ΠΌΠ°Π»ΠΎΠ½ΠΎΠ²ΠΎΠ³ΠΎ Π΄ΠΈΠ°Π»ΡΠ΄Π΅Π³ΠΈΠ΄Π°. Π Π°Π±ΠΎΡΡ Π°Π½ΡΠΈΠΎΠΊΡΠΈΠ΄Π°Π½ΡΠ½ΠΎΠΉ ΡΠΈΡΡΠ΅ΠΌΡ ΠΎΡΠ΅Π½ΠΈΠ²Π°Π»ΠΈ ΠΏΠΎ Π°ΠΊΡΠΈΠ²Π½ΠΎΡΡΠΈ ΡΡΠ΅Ρ
ΡΠ΅ΡΠΌΠ΅Π½ΡΠΎΠ²: ΡΡΠΏΠ΅ΡΠΎΠΊΡΠΈΠ΄Π΄ΠΈΡΠΌΡΡΠ°Π·Ρ, ΠΊΠ°ΡΠ°Π»Π°Π·Ρ ΠΈ ΠΎΠ±ΡΠ΅ΠΉ ΠΏΠ΅ΡΠΎΠΊΡΠΈΠ΄Π°Π·Π½ΠΎΠΉ Π°ΠΊΡΠΈΠ²Π½ΠΎΡΡΠΈ, Π° ΡΠ°ΠΊΠΆΠ΅
ΠΏΠΎ ΡΡΠΌΠΌΠ°ΡΠ½ΠΎΠΌΡ ΡΠΎΠ΄Π΅ΡΠΆΠ°Π½ΠΈΡ Π½ΠΈΠ·ΠΊΠΎΠΌΠΎΠ»Π΅ΠΊΡΠ»ΡΡΠ½ΡΡ
Π°Π½ΡΠΈΠΎΠΊΡΠΈΠ΄Π°Π½ΡΠΎΠ². Π£ΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΎ, ΡΡΠΎ ΠΏΡΠΎ-
ΠΈ Π°Π½ΡΠΈΠΎΠΊΡΠΈΠ΄Π°Π½ΡΠ½ΡΠ΅ ΡΡΠ°ΡΡΡΡ ΡΠ΅ΠΌΠ΅Π½Π½ΠΎΠ³ΠΎ ΠΏΠΎΡΠΎΠΌΡΡΠ²Π° ΠΏΠΎΠ΄ΠΎΡΠΎΠΆΠ½ΠΈΠΊΠ° ΠΈΠ· ΡΠ΅Ρ
Π½ΠΎΠ³Π΅Π½Π½ΡΡ
Π·ΠΎΠ½ ΠΎΡΠ»ΠΈΡΠ½Ρ
ΠΎΡ ΡΠΎΠ½ΠΎΠ²ΡΡ
Π²ΡΠ±ΠΎΡΠΎΠΊ ΠΈ ΡΠ°Π·Π»ΠΈΡΠ°ΡΡΡΡ ΠΌΠ΅ΠΆΠ΄Ρ ΡΠΎΠ±ΠΎΠΉ. Π£ ΠΏΡΠΎΡΠΎΡΡΠΊΠΎΠ² ΠΈΠ· Π·ΠΎΠ½Ρ ΠΠ£Π Π‘Π° Π·Π°ΡΠΈΠΊΡΠΈΡΠΎΠ²Π°Π½
ΠΏΡΠΎΠΎΠΊΡΠΈΠ΄Π°Π½ΡΠ½ΡΠΉ ΡΠ΄Π²ΠΈΠ³, Ρ. Π΅. ΠΏΡΠΈ Π²ΡΡΠΎΠΊΠΎΠΌ ΡΠΎΠ΄Π΅ΡΠΆΠ°Π½ΠΈΠΈ ΠΌΠ°Π»ΠΎΠ½ΠΎΠ²ΠΎΠ³ΠΎ Π΄ΠΈΠ°Π»ΡΠ΄Π΅Π³ΠΈΠ΄Π° Π±ΡΠ»Π° ΠΏΠΎΠ²ΡΡΠ΅Π½Π°
Π°ΠΊΡΠΈΠ²Π½ΠΎΡΡΡ ΡΡΠΏΠ΅ΡΠΎΠΊΡΠΈΠ΄Π΄ΠΈΡΠΌΡΡΠ°Π·Ρ ΠΈ ΠΊΠ°ΡΠ°Π»Π°Π·Ρ, Π° ΡΠ°ΠΊΠΆΠ΅ ΡΠΎΠ΄Π΅ΡΠΆΠ°Π½ΠΈΠ΅ Π½ΠΈΠ·ΠΊΠΎΠΌΠΎΠ»Π΅ΠΊΡΠ»ΡΡΠ½ΡΡ
Π°Π½ΡΠΈΠΎΠΊΡΠΈΠ΄Π°Π½ΡΠΎΠ² ΠΏΠΎ ΡΡΠ°Π²Π½Π΅Π½ΠΈΡ Ρ ΡΠΎΠ½ΠΎΠ²ΡΠΌΠΈ ΡΠ°ΡΡΠ΅Π½ΠΈΡΠΌΠΈ. Π£ ΠΏΡΠΎΡΠΎΡΡΠΊΠΎΠ² ΠΈΠ· Π·ΠΎΠ½Ρ ΠΠΠ ΡΠΎΠ΄Π΅ΡΠΆΠ°Π½ΠΈΠ΅
ΠΌΠ°Π»ΠΎΠ½ΠΎΠ²ΠΎΠ³ΠΎ Π΄ΠΈΠ°Π»ΡΠ΄Π΅Π³ΠΈΠ΄Π° Π½Π΅ ΠΎΡΠ»ΠΈΡΠ°Π»ΠΎΡΡ ΠΎΡ ΡΠΎΠ½ΠΎΠ²ΠΎΠ³ΠΎ, Π°ΠΊΡΠΈΠ²Π½ΠΎΡΡΠΈ ΡΡΠΏΠ΅ΡΠΎΠΊΡΠΈΠ΄Π΄ΠΈΡΠΌΡΡΠ°Π·Ρ
ΠΈ ΠΊΠ°ΡΠ°Π»Π°Π·Ρ Π±ΡΠ»ΠΈ ΡΠ½ΠΈΠΆΠ΅Π½Ρ, Π° ΠΏΠ΅ΡΠΎΠΊΡΠΈΠ΄Π°Π·Ρ ΠΏΠΎΠ²ΡΡΠ΅Π½Π°. Π’Π°ΠΊΠΈΠΌ ΠΎΠ±ΡΠ°Π·ΠΎΠΌ, ΡΠΏΠ΅ΡΠΈΡΠΈΠΊΠ° Π°Π΄Π°ΠΏΡΠΈΠ²Π½ΡΡ
ΠΎΡΠ²Π΅ΡΠΎΠ² ΡΠ°ΡΡΠ΅Π½ΠΈΠΉ Π½Π° Π΄Π΅ΠΉΡΡΠ²ΠΈΠ΅ ΡΠ°Π΄ΠΈΠ°ΡΠΈΠΈ ΠΈ ΡΡΠΆΠ΅Π»ΡΡ
ΠΌΠ΅ΡΠ°Π»Π»ΠΎΠ² ΡΠΎΡΠΌΠΈΡΡΠ΅ΡΡΡ Π·Π° ΡΡΠ΅Ρ ΡΠ°Π·Π»ΠΈΡΠΈΠΉ
Π² ΠΈΠ½Π΄ΡΠΊΡΠΈΠΈ Π°ΠΊΡΠΈΠ²Π½ΡΡ
ΡΠΎΡΠΌ ΠΊΠΈΡΠ»ΠΎΡΠΎΠ΄