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Igor Kovalchuk

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Publications

TOP 3
Zoë Migicovsky; Igor Kovalchuk
Changes to DNA methylation and homologous recombination frequency in the progeny of stressed plants.
Youli YAO; Palak Kathiria; Igor Kovalchuk
A systemic increase in the recombination frequency upon local infection of Arabidopsis thaliana plants with oilseed rape mosaic virus depends on plant age, the initial inoculum concentration and the time for virus replication.
Fabiola C R Zucchi; David M Olson; Isaac D Ward; Youli YAO; Karen Benzies; Yaroslav Ilnytskyy; Igor Kovalchuk; Olga Kovalchuk; Gerlinde A S Metz
Maternal stress induces epigenetic signatures of psychiatric and neurological diseases in the offspring.

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All Publications

2013: Zoë Migicovsky; Igor Kovalchuk
Changes to DNA methylation and homologous recombination frequency in the progeny of stressed plants.
Biochemistry and cell biology = Biochimie et biologie cellulaire 2013;91(1):1-5.
2013: Youli YAO; Palak Kathiria; Igor Kovalchuk
A systemic increase in the recombination frequency upon local infection of Arabidopsis thaliana plants with oilseed rape mosaic virus depends on plant age, the initial inoculum concentration and the time for virus replication.
Frontiers in plant science 2013;4():61.
2013: Fabiola C R Zucchi; David M Olson; Isaac D Ward; Youli YAO; Karen Benzies; Yaroslav Ilnytskyy; Igor Kovalchuk; Olga Kovalchuk; Gerlinde A S Metz
Maternal stress induces epigenetic signatures of psychiatric and neurological diseases in the offspring.
PloS one 2013;8(2):e56967.
2012: Youli YAO; Andriy Bilichak; Andrey Golubov; Igor Kovalchuk
ddm1 plants are sensitive to methyl methane sulfonate and NaCl stresses and are deficient in DNA repair.
Plant cell reports 2012;31(9):1549-61.
2012: Youli YAO; Frederick M Ausubel; Cristian H Danna; Igor Kovalchuk
Perception of volatiles produced by UVC-irradiated plants alters the response to viral infection in naïve neighboring plants.
Plant signaling & behavior 2012;7(7):741-5.
2012: Franz Zemp; Corinne Sidler; Igor Kovalchuk
Increase in recombination rate in Arabidopsis thaliana plants sharing gaseous environment with X-ray and UVC-irradiated plants depends on production of radicals.
Plant signaling & behavior 2012;7(7):782-7.
2012: Alicja Ziemienowicz; Francois Eudes; Aki Matsuoka; Youn-Seb Shim; Igor Kovalchuk
A novel method of transgene delivery into triticale plants using the Agrobacterium transferred DNA-derived nano-complex.
Plant physiology 2012;158(4):1503-13.
2012: Olena Babenko; Igor Kovalchuk; Gerlinde A Metz
Epigenetic programming of neurodegenerative diseases by an adverse environment.
Brain research 2012;1444():96-111.
2012: Zoë Migicovsky; Igor Kovalchuk
Epigenetic Modifications during Angiosperm Gametogenesis.
Frontiers in plant science 2012;3():20.
2012: Igor Kovalchuk
Transgenerational epigenetic inheritance in animals.
Frontiers in genetics 2012;3():76.
2012: Andriy Bilichak; Jens Hollunder; Yaroslav Ilnystkyy; Igor Kovalchuk
The progeny of Arabidopsis thaliana plants exposed to salt exhibit changes in DNA methylation, histone modifications and gene expression.
PloS one 2012;7(1):e30515.
2012: Olena Babenko; Andrey Golubov; Yaroslav Ilnytskyy; Igor Kovalchuk; Gerlinde A Metz
Genomic and epigenomic responses to chronic stress involve miRNA-mediated programming.
PloS one 2012;7(1):e29441.
2011: Priti Maheshwari; Gopalan Selvaraj; Igor Kovalchuk
Optimization of Brassica napus (canola) explant regeneration for genetic transformation.
New biotechnology 2011;29(1):144-55.
2011: Alex Boyko; Igor Kovalchuk
Genetic and epigenetic effects of plant-pathogen interactions: an evolutionary perspective.
Molecular plant 2011;4(6):1014-23.
2011: Youli YAO; Franz Zemp; Roman Przybylski; Viktor Titov; Frederick M Ausubel; Ozan Nazim Ciftci; Cristian H Danna; Igor Kovalchuk
UV-C-irradiated Arabidopsis and tobacco emit volatiles that trigger genomic instability in neighboring plants.
The Plant cell 2011;23(10):3842-52.
2011: Priti Maheshwari; Igor Kovalchuk
Efficient shoot regeneration from internodal explants of Populus angustifolia, Populus balsamifera and Populus deltoids.
New biotechnology 2011;28(6):778-87.
2011: Darryl Hudson; Bryan Kolb; Igor Koturbash; Igor Kovalchuk; Olga A Martin; Olga Kovalchuk
Induction and persistence of radiation-induced DNA damage is more pronounced in young animals than in old animals.
Aging 2011;3(6):609-20.
2011: Youli YAO; Andriy Bilichak; Andrey Golubov; Igor Kovalchuk
Local infection with oilseed rape mosaic virus promotes genetic rearrangements in systemic Arabidopsis tissue.
Mutation research 2011;709-710():7-14.
2011: Alicja Ziemienowicz; Seyed Mohammad Reza Rahavi; Igor Kovalchuk
The stimulatory effect of CaCl(2), NaCl and NH(4)NO(3) salts on the ssDNA-binding activity of RecA depends on nucleotide cofactor and buffer pH.
BMB reports 2011;44(5):341-6.
2011: Alexander Boyko; Aki Matsuoka; Igor Kovalchuk
Potassium chloride and rare earth elements improve plant growth and increase the frequency of the Agrobacterium tumefaciens-mediated plant transformation.
Plant cell reports 2011;30(4):505-18.
2011: Youli YAO; Igor Kovalchuk
Abiotic stress leads to somatic and heritable changes in homologous recombination frequency, point mutation frequency and microsatellite stability in Arabidopsis plants.
Mutation research 2011;707(1-2):61-6.
2011: Mohammad Reza Rahavi; Viktor Titov; Zoë Migicovsky; Igor Kovalchuk
Transgenerational adaptation to heavy metal salts in Arabidopsis.
Frontiers in plant science 2011;2():91.
2011: Zoë Migicovsky; Igor Kovalchuk
Epigenetic memory in mammals.
Frontiers in genetics 2011;2():28.
2010: Youli YAO; Andriy Bilichak; Andrey Golubov; Todd Blevins; Igor Kovalchuk
Differential sensitivity of Arabidopsis siRNA biogenesis mutants to genotoxic stress.
Plant cell reports 2010;29(12):1401-10.
2010: Andrey Golubov; Youli YAO; Priti Maheshwari; Andriy Bilichak; Alexander Boyko; François Belzile; Igor Kovalchuk
Microsatellite instability in Arabidopsis increases with plant development.
Plant physiology 2010;154(3):1415-27.
2010: Palak Kathiria; Corinne Sidler; Andrey Golubov; Melanie Kalischuk; Lawrence M Kawchuk; Igor Kovalchuk
Tobacco mosaic virus infection results in an increase in recombination frequency and resistance to viral, bacterial, and fungal pathogens in the progeny of infected tobacco plants.
Plant physiology 2010;153(4):1859-70.
2010: Alexander Boyko; Andrey Golubov; Andriy Bilichak; Igor Kovalchuk
Chlorine ions but not sodium ions alter genome stability of Arabidopsis thaliana.
Plant & cell physiology 2010;51(6):1066-78.
2010: Alex Boyko; Jean Molinier; Waine Chatter; André Laroche; Igor Kovalchuk
Acute but not chronic exposure to abiotic stress results in transient reduction of expression levels of the transgene driven by the 35S promoter.
New biotechnology 2010;27(1):70-7.
2010: Alex Boyko; Todd Blevins; Youli YAO; Andrey Golubov; Andriy Bilichak; Yaroslav Ilnytskyy; Jens Hollunder; Jens Hollander; Frederick Meins; Igor Kovalchuk
Transgenerational adaptation of Arabidopsis to stress requires DNA methylation and the function of Dicer-like proteins.
PloS one 2010;5(3):e9514.
2010: Palak Kathiria; Igor Kovalchuk
Reporter gene-based recombination lines for studies of genome stability.
Methods in molecular biology (Clifton, N.J.) 2010;631():243-52.
2010: Alex Boyko; Igor Kovalchuk
Detection and quantification of DNA strand breaks using the ROPS (random oligonucleotide primed synthesis) assay.
Methods in molecular biology (Clifton, N.J.) 2010;631():237-42.
2010: Alex Boyko; Igor Kovalchuk
Analysis of mutation/rearrangement frequencies and methylation patterns at a given DNA locus using restriction fragment length polymorphism.
Methods in molecular biology (Clifton, N.J.) 2010;631():49-62.
2010: Palak Kathiria; Igor Kovalchuk
In situ analysis of DNA methylation in plants.
Methods in molecular biology (Clifton, N.J.) 2010;631():41-8.
2010: Alex Boyko; Igor Kovalchuk
Detection of changes in global genome methylation using the cytosine-extension assay.
Methods in molecular biology (Clifton, N.J.) 2010;631():33-9.
2010: Alex Boyko; Igor Kovalchuk
Analysis of locus-specific changes in methylation patterns using a COBRA (combined bisulfite restriction analysis) assay.
Methods in molecular biology (Clifton, N.J.) 2010;631():23-31.
2009: Michael S Greer; Igor Kovalchuk; Francois Eudes
Ammonium nitrate improves direct somatic embryogenesis and biolistic transformation of Triticum aestivum.
New biotechnology 2009;26(1-2):44-52.
2009: Igor Koturbash; James E Thomas; Olga Kovalchuk; Igor Kovalchuk
Heat-killed bacteria induce genome instability in mouse small intestine, liver and spleen tissues.
Cell cycle (Georgetown, Tex.) 2009;8(12):1935-9.
2009: Alex Boyko; Aki Matsuoka; Igor Kovalchuk
High frequency Agrobacterium tumefaciens-mediated plant transformation induced by ammonium nitrate.
Plant cell reports 2009;28(5):737-57.
2008: Alexander Boyko; Igor Kovalchuk
Epigenetic control of plant stress response.
Environmental and molecular mutagenesis 2008;49(1):61-72.
2007: Igor Kovalchuk; Jean Molinier; Youli YAO; Andrey Arkhipov; Olga Kovalchuk
Transcriptome analysis reveals fundamental differences in plant response to acute and chronic exposure to ionizing radiation.
Mutation research 2007;624(1-2):101-13.
2007: Olga Kovalchuk; Volodymyr Tryndyak; Beverly Montgomery; Alexander Boyko; Kristy Kutanzi; Franz Zemp; Alan Warbritton; John R Latendresse; Igor Kovalchuk; Frederick A Beland; Igor P Pogribny
Estrogen-induced rat breast carcinogenesis is characterized by alterations in DNA methylation, histone modifications and aberrant microRNA expression.
Cell cycle (Georgetown, Tex.) 2007;6(16):2010-8.
2007: Igor Koturbash; Alexander Boyko; Rocio Rodriguez-Juarez; Robert J McDonald; Volodymyr Tryndyak; Igor Kovalchuk; Igor P Pogribny; Olga Kovalchuk
Role of epigenetic effectors in maintenance of the long-term persistent bystander effect in spleen in vivo.
Carcinogenesis 2007;28(8):1831-8.
2007: Alexander Boyko; Palak Kathiria; Franz Zemp; Youli YAO; Igor P Pogribny; Igor Kovalchuk
Transgenerational changes in the genome stability and methylation in pathogen-infected plants: (virus-induced plant genome instability).
Nucleic acids research 2007;35(5):1714-25.
2006: Alexander Boyko; Michael Greer; Igor Kovalchuk
Acute exposure to UVB has a more profound effect on plant genome stability than chronic exposure.
Mutation research 2006;602(1-2):100-9.
2006: Alexander Boyko; Darryl Hudson; Prasanna Bhomkar; Palak Kathiria; Igor Kovalchuk
Increase of homologous recombination frequency in vascular tissue of Arabidopsis plants exposed to salt stress.
Plant & cell physiology 2006;47(6):736-42.
2006: Alexander Boyko; Franz Zemp; Jody Filkowski; Igor Kovalchuk
Double-strand break repair in plants is developmentally regulated.
Plant physiology 2006;141(2):488-97.
2006: Alexander Boyko; Jody Filkowski; Darryl Hudson; Igor Kovalchuk
Homologous recombination in plants is organ specific.
Mutation research 2006;595(1-2):145-55.
2005: Alexander Boyko; Jody Filkowski; Igor Kovalchuk
Homologous recombination in plants is temperature and day-length dependent.
Mutation research 2005;572(1-2):73-83.
2005: Jean Molinier; Edward J Oakeley; Olivier Niederhauser; Igor Kovalchuk; Barbara Hohn
Dynamic response of plant genome to ultraviolet radiation and other genotoxic stresses.
Mutation research 2005;571(1-2):235-47.
2005: Igor Kovalchuk; Viktor Titov; Barbara Hohn; Olga Kovalchuk
Transcriptome profiling reveals similarities and differences in plant responses to cadmium and lead.
Mutation research 2005;570(2):149-61.
2005: Jill Besplug; Paula Burke; André Ponton; Jody Filkowski; Viktor Titov; Igor Kovalchuk; Olga Kovalchuk
Sex and tissue-specific differences in low-dose radiation-induced oncogenic signaling.
International journal of radiation biology 2005;81(2):157-68.
2005: Yaroslav Ilnytskyy; Youli YAO; Igor Kovalchuk
Double-strand break repair machinery is sensitive to UV radiation.
Journal of molecular biology 2005;345(4):707-15.
2004: Thabani Dube; Igor Kovalchuk; Barbara Hohn; Jennifer A Thomson
Agrobacterium tumefaciens-mediated transformation of plants by the pTF-FC2 plasmid is efficient and strictly dependent on the MobA protein.
Plant molecular biology 2004;55(4):531-9.
2004: Olga Kovalchuk; André Ponton; Jody Filkowski; Igor Kovalchuk
Dissimilar genome response to acute and chronic low-dose radiation in male and female mice.
Mutation research 2004;550(1-2):59-72.
2004: Igor Kovalchuk; Vladimir Abramov; Igor P Pogribny; Olga Kovalchuk
Molecular aspects of plant adaptation to life in the Chernobyl zone.
Plant physiology 2004;135(1):357-63.
2004: Yaroslav Ilnytskyy; Alexander Boyko; Igor Kovalchuk
Luciferase-based transgenic recombination assay is more sensitive than beta-glucoronidase-based.
Mutation research 2004;559(1-2):189-97.
2004: Jill Besplug; Jody Filkowski; Paula Burke; Igor Kovalchuk; Olga Kovalchuk
Atrazine induces homologous recombination but not point mutation in the transgenic plant-based biomonitoring assay.
Archives of environmental contamination and toxicology 2004;46(3):296-300.
2004: Jody Filkowski; Olga Kovalchuk; Igor Kovalchuk
Genome stability of vtc1, tt4, and tt5 Arabidopsis thaliana mutants impaired in protection against oxidative stress.
The Plant journal : for cell and molecular biology 2004;38(1):60-9.
2004: Jody Filkowski; Allan Yeoman; Olga Kovalchuk; Igor Kovalchuk
Systemic plant signal triggers genome instability.
The Plant journal : for cell and molecular biology 2004;38(1):1-11.
2004: Igor Kovalchuk; Pawel Pelczar; Olga Kovalchuk
High frequency of nucleotide misincorporations upon the processing of double-strand breaks.
DNA repair 2004;3(3):217-23.
2003: Jody Filkowski; Jill Besplug; Paula Burke; Igor Kovalchuk; Olga Kovalchuk
Genotoxicity of 2,4-D and dicamba revealed by transgenic Arabidopsis thaliana plants harboring recombination and point mutation markers.
Mutation research 2003;542(1-2):23-32.
2003: Olga Kovalchuk; Paula Burke; Andrey Arkhipov; Nikolaj Kuchma; S Jill James; Igor Kovalchuk; Igor P Pogribny
Genome hypermethylation in Pinus silvestris of Chernobyl--a mechanism for radiation adaptation?
Mutation research 2003;529(1-2):13-20.
2003: Pawel Pelczar; Véronique Kalck; Igor Kovalchuk
Different genome maintenance strategies in human and tobacco cells.
Journal of molecular biology 2003;331(4):771-9.
2003: Igor Kovalchuk; Olga Kovalchuk; Véronique Kalck; Vitaly Boyko; Jody Filkowski; Manfred Heinlein; Barbara Hohn
Pathogen-induced systemic plant signal triggers DNA rearrangements.
Nature 2003;423(6941):760-2.
2003: Olga Kovalchuk; P Telyuk; L Kovalchuk; Igor Kovalchuk; Viktor Titov
Novel plant bioassays for monitoring the genotoxicity of drinking water from the inhabited areas of the Ukraine affected by the Chernobyl accident.
Bulletin of environmental contamination and toxicology 2003;70(5):847-53.
2003: Olga Kovalchuk; Igor Kovalchuk; Andrey Arkhipov; Barbara Hohn; Yuri E Dubrova
Extremely complex pattern of microsatellite mutation in the germline of wheat exposed to the post-Chernobyl radioactive contamination.
Mutation research 2003;525(1-2):93-101.
2003: Igor Kovalchuk; Olga Kovalchuk
A new use for transgenic plants--environmental biomonitors.
Biotechnology & genetic engineering reviews 2003;20():23-45.
2001: Igor Kovalchuk; Olga Kovalchuk; Barbara Hohn
Biomonitoring the genotoxicity of environmental factors with transgenic plants.
Trends in plant science 2001;6(7):306-10.
2001: Olga Kovalchuk; Viktor Titov; Barbara Hohn; Igor Kovalchuk
A sensitive transgenic plant system to detect toxic inorganic compounds in the environment.
Nature biotechnology 2001;19(6):568-72.
2000: Vera Gorbunova; N Avivi-Ragolski; G Shalev; Igor Kovalchuk; S Abbo; Barbara Hohn; Avraham A Levy
A new hyperrecombinogenic mutant of Nicotiana tabacum.
The Plant journal : for cell and molecular biology 2000;24(5):601-11.
2000: Olga Kovalchuk; Yuri E Dubrova; Andrey Arkhipov; Barbara Hohn; Igor Kovalchuk
Wheat mutation rate after Chernobyl.
Nature 2000;407(6804):583-4.
2000: Igor Kovalchuk; Olga Kovalchuk; Barbara Hohn
Genome-wide variation of the somatic mutation frequency in transgenic plants.
The EMBO journal 2000;19(17):4431-8.
2000: Olga Kovalchuk; Andrey Arkhipov; I Barylyak; I Karachov; Viktor Titov; Barbara Hohn; Igor Kovalchuk
Plants experiencing chronic internal exposure to ionizing radiation exhibit higher frequency of homologous recombination than acutely irradiated plants.
Mutation research 2000;449(1-2):47-56.
1999: Olga Kovalchuk; Igor Kovalchuk; Viktor Titov; Andrey Arkhipov; Barbara Hohn
Radiation hazard caused by the Chernobyl accident in inhabited areas of Ukraine can be monitored by transgenic plants.
Mutation research 1999;446(1):49-55.
1998: Igor Kovalchuk; Olga Kovalchuk; Andrey Arkhipov; Barbara Hohn
Transgenic plants are sensitive bioindicators of nuclear pollution caused by the Chernobyl accident.
Nature biotechnology 1998;16(11):1054-9.
1998: Olga Kovalchuk; Igor Kovalchuk; Andrey Arkhipov; P Telyuk; Barbara Hohn; L Kovalchuk
The Allium cepa chromosome aberration test reliably measures genotoxicity of soils of inhabited areas in the Ukraine contaminated by the Chernobyl accident.
Mutation research 1998;415(1-2):47-57.