Cytogenetic response of Scots pine (Pinus sylvestris Linnaeus, 1753) (Pinaceae) to heavy metals | Zendy

M. V. Belousov | Zendy; О. С. Машкина | Zendy; В. Н. Попов | Zendy

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Cytogenetic response of Scots pine (Pinus sylvestris Linnaeus, 1753) (Pinaceae) to heavy metals

Author(s) -

M. V. Belousov,

О. С. Машкина,

В. Н. Попов

Publication year - 2012

Publication title -

comparative cytogenetics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.49

H-Index - 20

eISSN - 1993-078X

pISSN - 1993-0771

DOI - 10.3897/compcytogen.v6i1.2017

Subject(s) - scots pine , pinaceae , genotoxicity , heavy metals , micronucleus test , pinus <genus> , botany , environmental chemistry , micronucleus , biology , chemistry , toxicity , organic chemistry

We studied cytogenetic reactions of Scots pine seedlings to heavy metals - lead, cupric and zinc nitrates applied at concentrations 0.5 to 2000 µM. We determined the range of concentrations of heavy metals that causes mutagenic effect. Lead was found to cause the strongest genotoxicity as manifested by significant increase in the frequency of pathological mitosis, occurrence of fragmentations and agglutinations of chromosomes, various types of bridges, and a significant number of the micronuclei which were absent in the control. Possible cytogenetic mechanisms of the cytotoxic action of heavy metals are discussed.

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