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siRNA–Mediated Methylation of Arabidopsis Telomeres
Chromosome termini form a specialized type of heterochromatin that is important for chromosome stability. The recent discovery of telomeric RNA transcripts in yeast and vertebrates raised the… Expand
A Gradual Process of Recombination Restriction in the Evolutionary History of the Sex Chromosomes in Dioecious Plants
To help understand the evolution of suppressed recombination between sex chromosomes, and its consequences for evolution of the sequences of Y-linked genes, we have studied four X-Y gene pairs,… Expand
Genetic and functional analysis of DD44, a sex-linked gene from the dioecious plant Silene latifolia, provides clues to early events in sex chromosome evolution.
Silene latifolia is a dioecious plant with heteromorphic sex chromosomes. The sex chromosomes of S. latifolia provide an opportunity to study the early events in sex chromosome evolution because of… Expand
Heterogeneity of rDNA distribution and genome size in Silene spp.
Genus Silene L. (Caryophyllaceae) contains about 700 species divided into 44 sections. According to recent taxonomic classification this genus also includes taxa previously classified in genera… Expand
Gender in plants: sex chromosomes are emerging from the fog.
Although most plants have flowers with both male and female sex organs, there are several thousands of plant species where male or female flowers form on different individuals. Surprisingly, the… Expand
Chromosomal location and gene paucity of the male specific region on papaya Y chromosome
Sex chromosomes in flowering plants evolved recently and many of them remain homomorphic, including those in papaya. We investigated the chromosomal location of papaya’s small male specific region of… Expand
Analysis of the G-overhang structures on plant telomeres: evidence for two distinct telomere architectures.
- K. Riha, T. McKnight, J. Fajkus, B. Vyskot, D. Shippen
- Biology, Medicine
- The Plant journal : for cell and molecular…
- 1 September 2000
Telomeres are highly conserved structures essential for maintaining the integrity of eukaryotic genomes. In yeast, ciliates and mammals, the G-rich strand of the telomere forms a 3' overhang on the… Expand
Immunohistochemical study of DNA methylation dynamics during plant development.
DNA methylation represents one of the key processes that play an important role in the transcriptional control of gene expression. The role of cytosine methylation in plant development has been… Expand
Isolation and characterization of X chromosome-derived DNA sequences from a dioecious plant Melandrium album
A number of X chromosome DNA sequences have been isolated from a dioecious plant, Melandrium album (syn. Silene latifolia),using chromosome microdissection followed by degenerate… Expand
Sexual dimorphism in white campion: deletion on the Y chromosome results in a floral asexual phenotype.
White campion is a dioecious plant with heteromorphic X and Y sex chromosomes. In male plants, a filamentous structure replaces the pistil, while in female plants the stamens degenerate early in… Expand