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List of works by Ales Kovarik

A genetic appraisal of a new synthetic Nicotiana tabacum (Solanaceae) and the Kostoff synthetic tobacco

scientific article published in June 2006

A plant culture (BY-2) widely used in molecular and cell studies is genetically unstable and highly heterogeneous

article

Analysis of two abundant, highly related satellites in the allotetraploid Nicotiana arentsii using double-strand conformation polymorphism analysis and sequencing

scientific article published on 21 July 2011

Ancient Origin of Two 5S rDNA Families Dominating in the Genus <i>Rosa</i> and Their Behavior in the Canina-Type Meiosis

scientific article published on 08 March 2021

Angiosperms Are Unique among Land Plant Lineages in the Occurrence of Key Genes in the RNA-Directed DNA Methylation (RdDM) Pathway

scientific article

Astonishing 35S rDNA diversity in the gymnosperm species Cycas revoluta Thunb

scientific article

Asymmetrical canina meiosis is accompanied by the expansion of a pericentromeric satellite in non-recombining univalent chromosomes

scientific article published on 25 February 2020

B-chrom: a database on B-chromosomes of plants, animals and fungi

scientific article published on 25 July 2017

Cell culture-induced gradual and frequent epigenetic reprogramming of invertedly repeated tobacco transgene epialleles

scientific article published on 7 January 2009

Chromatin fragmentation associated with apoptotic changes in tobacco cells exposed to cold stress

scientific article published on 01 September 1997

Comparative analysis of DNA methylation in tobacco heterochromatic sequences

scientific article published in January 2000

Comparative genomics and repetitive sequence divergence in the species of diploidNicotianasection Alatae

article

Concerted evolution of rDNA in recently formed Tragopogon allotetraploids is typically associated with an inverse correlation between gene copy number and expression

scientific article

Conserved Organisation of 45S rDNA Sites and rDNA Gene Copy Number among Major Clades of Early Land Plants

scientific article

Cross-talk between posttranscriptionally silenced neomycin phosphotransferase II transgenes

scientific article published in February 2000

Cytogenetic features of rRNA genes across land plants: analysis of the Plant rDNA database.

scientific article

Cytosine methylation of plastid genome in higher plants. Fact or artefact?

scientific article published on 01 March 2001

DNA curvature of the tobacco GRS repetitive sequence family and its relation to nucleosome positioning

scientific article published on April 1995

Dancing together and separate again: gymnosperms exhibit frequent changes of fundamental 5S and 35S rRNA gene (rDNA) organisation ⬇️

scientific article (publication date: July 2013)

Dedifferentiation of tobacco cells is associated with ribosomal RNA gene hypomethylation, increased transcription, and chromatin alterations

article

Differential amplification of satellite PaB6 in chromosomally hypervariable Prospero autumnale complex (Hyacinthaceae).

scientific article

Differential impact of retrotransposon populations on the genome of allotetraploid tobacco (Nicotiana tabacum)

scientific article published on 21 March 2007

Diploidization and genome size change in allopolyploids is associated with differential dynamics of low- and high-copy sequences

scientific article

Distribution of 5-methylcytosine residues in 5S rRNA genes in Arabidopsis thaliana and Secale cereale

scientific article published on 25 October 2002

Dynamic changes in the distribution of a satellite homologous to intergenic 26-18S rDNA spacer in the evolution of Nicotiana

scientific article

Efficacy of DNA hypomethylating capacities of 5-aza-2'-deoxycytidine and its alpha anomer.

scientific article published on 29 September 2006

Endogenous pararetrovirus sequences associated with 24 nt small RNAs at the centromeres of Fritillaria imperialis L. (Liliaceae), a species with a giant genome

scientific article published on 4 November 2014

Epigenetic switch from posttranscriptional to transcriptional silencing is correlated with promoter hypermethylation

scientific article published on 9 October 2003

Epigenetic switches of tobacco transgenes associate with transient redistribution of histone marks in callus culture

scientific article published on 26 April 2013

Evaluation of DNA bending models in their capacity to predict electrophoretic migration anomalies of satellite DNA sequences

scientific article published in September 2013

Evolution and structure of 5S rDNA loci in allotetraploid Nicotiana tabacum and its putative parental species

scientific article published on 01 January 2002

Evolution of 5S rDNA unit arrays in the plant genus Nicotiana (Solanaceae)

article

Evolution of rDNA in Nicotiana allopolyploids: a potential link between rDNA homogenization and epigenetics

scientific article published on 29 February 2008

Evolutionary dynamics of transposable elements and satellite DNAs in polyploid Spartina species

scientific article published on 09 October 2020

Evolutionary trends in animal ribosomal DNA loci: introduction to a new online database

scientific article

Expression of 5 S rRNA genes linked to 35 S rDNA in plants, their epigenetic modification and regulatory element divergence

scientific article (publication date: 20 June 2012)

Faithful inheritance of cytosine methylation patterns in repeated sequences of the allotetraploid tobacco correlates with the expression of DNA methyltransferase gene families from both parental genomes

scientific article published on 9 January 2009

Fall and rise of satellite repeats in allopolyploids of Nicotiana over c. 5 million years.

scientific article

Gene conversion events and variable degree of homogenization of rDNA loci in cultivars of Brassica napus

scientific article published on 05 October 2016

HP1β-dependent recruitment of UBF1 to irradiated chromatin occurs simultaneously with CPDs

scientific article

High penetrance of a pan-canina type rDNA family in intersection Rosa hybrids suggests strong selection of bivalent chromosomes in the section Caninae

scientific article published on 25 March 2014

Higher-order organisation of extremely amplified, potentially functional and massively methylated 5S rDNA in European pikes (Esox sp.).

scientific article

How to interpret methylation sensitive amplified polymorphism (MSAP) profiles?

scientific article

Hypomethylation of CNG targets induced with dihydroxypropyladenine is rapidly reversed in the course of mitotic cell division in tobacco

scientific article published on 16 October 2002

Immediate unidirectional epigenetic reprogramming of NORs occurs independently of rDNA rearrangements in synthetic and natural forms of a polyploid species Brassica napus

scientific article published on 23 July 2011

Immunological quantification of RecA protein in cell extracts of E. coli after exposure to chemical mutagens or UV radiation.

scientific article published in January 1992

Independent, rapid and targeted loss of highly repetitive DNA in natural and synthetic allopolyploids of Nicotiana tabacum.

scientific article

Inhibition of SAH-hydrolase activity during seed germination leads to deregulation of flowering genes and altered flower morphology in tobacco

scientific article published on 28 January 2011

Interferon-gamma, but not interferon-alpha, induces SOCS 3 expression in human melanoma cell lines

scientific article published on December 2005

Interpopulation hybridization generates meiotically stable rDNA epigenetic variants in allotetraploid Tragopogon mirus

scientific article published on 29 December 2015

Linkage of 35S and 5S rRNA genes in Artemisia (family Asteraceae): first evidence from angiosperms

scientific article

Long-term genome diploidization in allopolyploid Nicotiana section Repandae (Solanaceae)

scientific article published in 2005

Low abundant spacer 5S rRNA transcripts are frequently polyadenylated in Nicotiana

scientific article published on 02 August 2007

Mapping of 5-methylcytosine residues in Nicotiana tabacum 5S rRNA genes by genomic sequencing

scientific article published in August 1998

Mega‐sized pericentromeric blocks of simple telomeric repeats and their variants reveal patterns of chromosome evolution in ancient Cycadales genomes

scientific article published in 2022

Meiotic transmission of a hypomethylated repetitive DNA family in tobacco

scientific article published on 01 September 1995

Mobilization of retrotransposons in synthetic allotetraploid tobacco.

scientific article

Molecular cytogenetic analysis of recently evolved Tragopogon (Asteraceae) allopolyploids reveal a karyotype that is additive of the diploid progenitors.

scientific article

Molecular cytogenetics and tandem repeat sequence evolution in the allopolyploid Nicotiana rustica compared with diploid progenitors N. paniculata and N. undulata

scientific article published on 01 January 2005

Mutation Patterns of Human SARS-CoV-2 and Bat RaTG13 Coronavirus Genomes Are Strongly Biased Towards C>U Transitions, Indicating Rapid Evolution in Their Hosts

scientific article published on 07 July 2020

Next generation sequencing analysis reveals a relationship between rDNA unit diversity and locus number in Nicotiana diploids

scientific article

Nuclear levels and patterns of histone H3 modification and HP1 proteins after inhibition of histone deacetylases.

scientific article published on November 2005

Organization of telomeric and subtelomeric chromatin in the higher plant Nicotiana tabacum

scientific article published on 01 June 1995

Paramutation of tobacco transgenes by small RNA-mediated transcriptional gene silencing

scientific article published on May 2011

Parental origin and genome evolution in the allopolyploid Iris versicolor.

scientific article published on 25 June 2007

Parental transposable element loads influence their dynamics in young Nicotiana hybrids and allotetraploids

scientific article published on 22 October 2018

Persistence, dispersal and genetic evolution of recently formed Spartina homoploid hybrids and allopolyploids in Southern England

article

Plant 5S rDNA has multiple alternative nucleosome positions

scientific article published on 01 July 2006

Plant rDNA database: ribosomal DNA loci information goes online ⬇️

scientific article published on April 13, 2012

Plant rDNA database: update and new features

scientific article (publication date: 2014)

Power and Weakness of Repetition - Evaluating the Phylogenetic Signal From Repeatomes in the Family <i>Rosaceae</i> With Two Case Studies From Genera Prone to Polyploidy and Hybridization (<i>Rosa</i> and <i>Fragaria</i>)

scientific article published on 07 December 2021

Preferential elimination of repeated DNA sequences from the paternal, Nicotiana tomentosiformis genome donor of a synthetic, allotetraploid tobacco

scientific article published on 01 April 2005

Rapid and sensitive colloidal silver staining on cellulose acetate membranes

scientific article published on 01 June 1992

Rapid chromosome evolution in recently formed polyploids in Tragopogon (Asteraceae).

scientific article

Rapid concerted evolution of nuclear ribosomal DNA in two Tragopogon allopolyploids of recent and recurrent origin

scientific article

Rapid evolution of parental rDNA in a synthetic tobacco allotetraploid line

scientific article

Recent and recurrent polyploidy in Tragopogon (Asteraceae): cytogenetic, genomic and genetic comparisons

Recovery of tobacco cells from cadmium stress is accompanied by DNA repair and increased telomerase activity

scientific article published on 01 November 2002

Reduced inducibility of SOCS3 by interferon gamma associates with higher resistance of human breast cancer lines as compared to normal mammary epithelial cells

scientific article

Remarkable variation of ribosomal DNA organization and copy number in gnetophytes, a distinct lineage of gymnosperms

scientific article published on 01 May 2019

Repeat-sequence turnover shifts fundamentally in species with large genomes

scientific article published on 19 October 2020

Repeated reunions and splits feature the highly dynamic evolution of 5S and 35S ribosomal RNA genes (rDNA) in the Asteraceae family

scientific article

Ribosomal DNA evolution and gene conversion in Nicotiana rustica.

scientific article

Ribosomal RNA genes evolution in Tragopogon: A story of New and Old World allotetraploids and the synthetic lines

scientific article published on April 2011

Sequence of events leading to near-complete genome turnover in allopolyploid Nicotiana within five million years

scientific article published on 01 January 2007

Sex-chrom, a database on plant sex chromosomes

scientific article published on 01 May 2020

Silenced rRNA genes are activated and substitute for partially eliminated active homeologs in the recently formed allotetraploid, Tragopogon mirus (Asteraceae).

scientific article published on 24 December 2014

Similar patterns of rDNA evolution in synthetic and recently formed natural populations of Tragopogon (Asteraceae) allotetraploids

scientific article

Studies on the effects of a flanking repetitive sequence on the expression of single-copy transgenes in Nicotiana sylvestris and in N. sylvestris-N. tomentosiformis hybrids

scientific article published in May 2003

Telomerase activity in plant cells.

scientific article published on August 1996

The Utility of Graph Clustering of 5S Ribosomal DNA Homoeologs in Plant Allopolyploids, Homoploid Hybrids, and Cryptic Introgressants

scientific article published on 10 February 2020

The asymmetric meiosis in pentaploid dogroses (Rosa sect. Caninae) is associated with a skewed distribution of rRNA gene families in the gametes.

scientific article published on 23 July 2008

The effect of polyploidy and hybridization on the evolution of floral colour in Nicotiana (Solanaceae).

scientific article published on 15 May 2015

The fate of 35S rRNA genes in the allotetraploid grass Brachypodium hybridum

scientific article published on 07 June 2020

The fate of ribosomal RNA genes in spontaneous polyploid dogrose hybrids (Rosa L. sect. Caninae (DC.) Ser.) exhibiting non-symmetrical meiosis

scientific article published on 31 January 2018

The influence of 5-azacytidine on the condensation of the short arm of rye chromosome 1R in Triticum aestivum L. root tip meristematic nuclei ⬇️

scientific article published on December 1, 1997

The more the merrier: recent hybridization and polyploidy in cardamine.

scientific article published on 30 September 2013

The origin and evolution of geminivirus-related DNA sequences in Nicotiana.

scientific article published in April 2004

The origin of tobacco's T genome is traced to a particular lineage within Nicotiana tomentosiformis (Solanaceae).

scientific article

The telomeric sequence is directly attached to the HRS60 subtelomeric tandem repeat in tobacco chromosomes

scientific article

The trans-silencing capacity of invertedly repeated transgenes depends on their epigenetic state in tobacco.

scientific article published on 2 May 2006

The ups and downs of genome size evolution in polyploid species of Nicotiana (Solanaceae).

scientific article published on 24 January 2008

To Be or Not to Be Expressed: The First Evidence of a Nucleolar Dominance Tissue-Specificity in <i>Brachypodium hybridum</i>

scientific article published on 06 December 2021

Trans-generation inheritance of methylation patterns in a tobacco transgene following a post-transcriptional silencing event.

scientific article

Transcription activity of rRNA genes correlates with a tendency towards intergenomic homogenization in Nicotiana allotetraploids

article

Transitive RNA silencing signals induce cytosine methylation of a transgenic but not an endogenous target

scientific article published on 6 May 2013

Transposition of IS10 from the host Escherichia coli genome to a plasmid may lead to cloning artefacts

scientific article published in October 2001

Two GC boxes (Sp1 sites) are involved in regulation of the activity of the epithelium-specific MUC1 promoter.

scientific article

Uniparental silencing of <scp>5S rRNA</scp> genes in plant allopolyploids – insights from <i>Cardamine</i> (Brassicaceae)

scientific article published on 5 June 2024

Unique Epigenetic Features of Ribosomal RNA Genes (rDNA) in Early Diverging Plants (Bryophytes)

scientific article published on 05 September 2019

Variability in CpNpG methylation in higher plant genomes

article

When fathers are instant losers: homogenization of rDNA loci in recently formed Cardamine × schulzii trigenomic allopolyploid

scientific article published on 11 June 2014

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