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Ribosomal DNA spacer-length polymorphisms in barley: mendelian inheritance, chromosomal location, and population dynamics.
TLDR
It is concluded that the rDNA sl variants and/or associated loci are under selection in CCII, which demonstrates that Rrn1 and Rrn2 are useful as new genetic markers. Expand
Introduction of a Chimeric Chalcone Synthase Gene into Petunia Results in Reversible Co-Suppression of Homologous Genes in trans.
TLDR
Somatic reversion of plants with white flowers to phenotypically parental violet flowers was associated with a coordinate rise in the steady-state levels of the mRNAs produced by both the endogenous and the introduced CHS genes, indicating that expression of the introduced chalcone synthase gene was not alone sufficient for suppression of endogenous CHS transcript levels. Expand
The Chlamydomonas Genome Reveals the Evolution of Key Animal and Plant Functions
TLDR
Analyses of the Chlamydomonas genome advance the understanding of the ancestral eukaryotic cell, reveal previously unknown genes associated with photosynthetic and flagellar functions, and establish links between ciliopathy and the composition and function of flagella. Expand
Analysis of histone acetyltransferase and histone deacetylase families of Arabidopsis thaliana suggests functional diversification of chromatin modification among multicellular eukaryotes.
TLDR
The substantial diversification of HATs and HDACs that has occurred since the divergence of plants, animals and fungi suggests a surprising degree of evolutionary plasticity and functional diversification in these core chromatin components. Expand
The tiny eukaryote Ostreococcus provides genomic insights into the paradox of plankton speciation
TLDR
It is speculated that this latter process may be involved in altering the cell-surface characteristics of each species, and selenoenzymes, novel fusion proteins, and loss of some major protein families including ones associated with chromatin are likely important adaptations for achieving a small cell size. Expand
FLOWERING LOCUS T Protein May Act as the Long-Distance Florigenic Signal in the Cucurbits[W]
TLDR
Testing whether long-distance movement of FLOWERING LOCUS T (FT) mRNA or FT is required for floral induction showed consistent with FT functioning as a component of the florigenic signaling system in the cucurbits. Expand
Identification of novel conserved peptide uORF homology groups in Arabidopsis and rice reveals ancient eukaryotic origin of select groups and preferential association with transcription
TLDR
Conservation of uORF amino acid sequence, association with homologous mORFs over long evolutionary time periods, preferential retention after whole genome duplications, and preferential association with m ORFs coding for transcription factors suggest that the conserved peptide uORFs identified in this study are strong candidates for translational controllers of regulatory genes. Expand
Effectiveness of RNA interference in transgenic plants
TLDR
A relative quantitative RT‐PCR protocol is developed that allows use of a single internal standard over a wide range of target gene expression levels and suggests that each target sequence possesses an inherent degree of susceptibility to dsRNA‐mediated degradation. Expand
The Frequency and Degree of Cosuppression by Sense Chalcone Synthase Transgenes Are Dependent on Transgene Promoter Strength and Are Reduced by Premature Nonsense Codons in the Transgene Coding
TLDR
It is shown that a strong transgene promoter is required for high-frequency cosuppression of Chs genes and for production of the full range ofcosuppression phenotypes, and it is suggested that promoter strength and transcript stability determine the degree ofCosuppression. Expand
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