DNA, Plant

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  Subject Areas on Research

  • 14-3-3 proteins are part of an abscisic acid-VIVIPAROUS1 (VP1) response complex in the Em promoter and interact with VP1 and EmBP1. 
  • A gain-of-function mutation in IAA16 confers reduced responses to auxin and abscisic acid and impedes plant growth and fertility. 
  • A linkage map reveals a complex basis for segregation distortion in an interpopulation cross in the moss Ceratodon purpureus. 
  • A multilocus sequence survey in Arabidopsis thaliana reveals a genome-wide departure from a neutral model of DNA sequence polymorphism. 
  • A novel PCR-clamping assay reducing plant host DNA amplification significantly improves prokaryotic endo-microbiome community characterization. 
  • A novel chloroplast gene reported for flagellate plants. 
  • A novel two-component hybrid molecule regulates vascular morphogenesis of the Arabidopsis root. 
  • A phylogeny of Adelanthaceae (Jungermanniales, Marchantiophyta) based on nuclear and chloroplast DNA markers, with comments on classification, cryptic speciation and biogeography. 
  • A phylogeny of the northern temperate leafy liverwort genus Scapania (Scapaniaceae, Jungermanniales). 
  • A simple procedure for the analysis of single nucleotide polymorphisms facilitates map-based cloning in Arabidopsis. 
  • A taxonomic monograph of Ipomoea integrated across phylogenetic scales. 
  • A time and a place for everything: phylogenetic history and geography as joint predictors of oak plastome phylogeny. 
  • Allele-specific assay reveals functional variation in the chalcone synthase promoter of Arabidopsis thaliana that is compatible with neutral evolution. 
  • Allotetraploid Mimulus sookensis are highly interfertile despite independent origins. 
  • An Exploration into Fern Genome Space. 
  • Characterization of cis-regulatory regions responsible for developmental regulation of the gibberellin biosynthetic gene GA1 in Arabidopsis thaliana. 
  • Characterization of transformed Arabidopsis with altered alternative oxidase levels and analysis of effects on reactive oxygen species in tissue. 
  • Cis-regulatory evolution of chalcone-synthase expression in the genus Arabidopsis. 
  • Combining and comparing morphometric shape descriptors with a molecular phylogeny: the case of fruit type evolution in Bornean Lithocarpus (Fagaceae). 
  • Comparative genomics and regulatory evolution: conservation and function of the Chs and Apetala3 promoters. 
  • Differential induction of mRNAs for the glycolytic and ethanolic fermentative pathways by hypoxia and anoxia in maize seedlings. 
  • Diploid apomicts of the Boechera holboellii complex display large-scale chromosome substitutions and aberrant chromosomes. 
  • Divergent population structure and climate associations of a chromosomal inversion polymorphism across the Mimulus guttatus species complex. 
  • Do genetic make-up and growth manipulation affect tomato fruit size by cell number, or cell size and DNA endoreduplication? 
  • Evidence for reciprocal origins in Polypodium hesperium (Polypodiaceae): a fern model system for investigating how multiple origins shape allopolyploid genomes. 
  • Evolution of the trnF(GAA) gene in Arabidopsis relatives and the brassicaceae family: monophyletic origin and subsequent diversification of a plastidic pseudogene. 
  • Evolutionary relationships within the Neotropical, eusporangiate fern genus Danaea (Marattiaceae). 
  • Expression profiling and local adaptation of Boechera holboellii populations for water use efficiency across a naturally occurring water stress gradient. 
  • Fine mapping of the Pc locus of Sorghum bicolor, a gene controlling the reaction to a fungal pathogen and its host-selective toxin. 
  • Formalizing morphologically cryptic biological entities: new insights from DNA taxonomy, hybridization, and biogeography in the leafy liverwort Porella platyphylla (Jungermanniopsida, Porellales). 
  • Genetic structure and genealogy in the Sphagnum subsecundum complex (Sphagnaceae: Bryophyta). 
  • Horizontal transfer of an adaptive chimeric photoreceptor from bryophytes to ferns. 
  • Horsetails and ferns are a monophyletic group and the closest living relatives to seed plants. 
  • Identifying Gene Regulatory Networks in Arabidopsis by In Silico Prediction, Yeast-1-Hybrid, and Inducible Gene Profiling Assays. 
  • Identifying multiple origins of polyploid taxa: a multilocus study of the hybrid cloak fern (Astrolepis integerrima; Pteridaceae). 
  • Interplay of the Arabidopsis nonhost resistance gene NHO1 with bacterial virulence. 
  • Interploidal hybridization and mating patterns in the Sphagnum subsecundum complex. 
  • Investigating deep phylogenetic relationships among cyanobacteria and plastids by small subunit rRNA sequence analysis. 
  • Is local adaptation in Mimulus guttatus caused by trade-offs at individual loci? 
  • Is the aneuploid chromosome in an apomictic Boechera holboellii a genuine B chromosome? 
  • Large-scale identification and analysis of genome-wide single-nucleotide polymorphisms for mapping in Arabidopsis thaliana. 
  • Low-copy nuclear sequence data confirm complex patterns of farina evolution in notholaenid ferns (Pteridaceae). 
  • Molecular insights into the phylogeny and subgeneric classification of Frullania Raddi (Frullaniaceae, Porellales). 
  • Molecular phylogeography and cryptic speciation in the mosses, Mielichhoferia elongata and M. mielichhoferiana (Bryaceae). 
  • Morphological and genetic differentiation and reproductive isolation among closely related taxa in the Ipomoea series Batatas. 
  • Multilocus analysis of variation and speciation in the closely related species Arabidopsis halleri and A. lyrata. 
  • NADPH oxidase AtrbohD and AtrbohF genes function in ROS-dependent ABA signaling in Arabidopsis. 
  • One haploid parent contributes 100% of the gene pool for a widespread species in northwest North America. 
  • One species or at least eight? Delimitation and distribution of Frullania tamarisci (L.) Dumort. s. l. (Jungermanniopsida, Porellales) inferred from nuclear and chloroplast DNA markers. 
  • Origins, genetic structure, and systematics of the narrow endemic peatmosses (Sphagnum): S. guwassanense and S. triseriporum (Sphagnaceae). 
  • POWRS: position-sensitive motif discovery. 
  • Paired-end analysis of transcription start sites in Arabidopsis reveals plant-specific promoter signatures. 
  • Pathway for lipid A biosynthesis in Arabidopsis thaliana resembling that of Escherichia coli. 
  • Patterns of nucleotide variation and reproductive isolation between a Mimulus allotetraploid and its progenitor species. 
  • Patterns of variation within self-incompatibility loci. 
  • Peatmoss (Sphagnum) diversification associated with Miocene Northern Hemisphere climatic cooling? 
  • Pervasive migration across rainforest and sandy coastal plain Aechmea nudicaulis (Bromeliaceae) populations despite contrasting environmental conditions. 
  • Phylogenetic analyses of morphological evolution in the gametophyte and sporophyte generations of the moss order Hookeriales (Bryopsida). 
  • Phylogenomic inferences from reference-mapped and de novo assembled short-read sequence data using RADseq sequencing of California white oaks (Quercus section Quercus). 
  • Phylogenomics reveals a complex evolutionary history of lobed-leaf white oaks in western North America. 
  • Phylogeny and biogeography of the American live oaks (Quercus subsection Virentes): a genomic and population genetics approach. 
  • Phylogeny of the leafy liverwort Ptilidium: cryptic speciation and shared haplotypes between the Northern and Southern Hemispheres. 
  • Phylogeny, biogeography, and processes of molecular differentiation in Quercus subgenus Quercus (Fagaceae). 
  • Phylotranscriptomic analysis of the origin and early diversification of land plants. 
  • Population history in Arabidopsis halleri using multilocus analysis. 
  • Precise spatio-temporal regulation of the anthocyanin biosynthetic pathway leads to petal spot formation in Clarkia gracilis (Onagraceae). 
  • Recurrent polyploid origins and chloroplast phylogeography in the Arabis holboellii complex (Brassicaceae). 
  • Refugial isolation and range expansions drive the genetic structure of Oxyria sinensis (Polygonaceae) in the Himalaya-Hengduan Mountains. 
  • Retrotransposon insertion polymorphisms in six rice genes and their evolutionary history. 
  • S-allele diversity in a natural population of Physalis crassifolia (Solanaceae) (ground cherry) assessed by RT-PCR. 
  • Salicylic acid activates DNA damage responses to potentiate plant immunity. 
  • Selective sweeps and intercontinental migration in the cosmopolitan moss Ceratodon purpureus (Hedw.) Brid. 
  • Spatial pattern of nucleotide polymorphism indicates molecular adaptation in the bryophyte Sphagnum fimbriatum. 
  • Species delimitation and biogeography of a southern hemisphere liverwort clade, Frullania subgenus Microfrullania (Frullaniaceae, Marchantiophyta). 
  • The SCARECROW gene regulates an asymmetric cell division that is essential for generating the radial organization of the Arabidopsis root. 
  • The SHORT-ROOT gene controls radial patterning of the Arabidopsis root through radial signaling. 
  • The alternative oxidase of plant mitochondria is involved in the acclimation of shoot growth at low temperature. A study of Arabidopsis AOX1a transgenic plants. 
  • The earliest stages of adaptation in an experimental plant population: strong selection on QTLS for seed dormancy. 
  • The evolutionary history of ferns inferred from 25 low-copy nuclear genes. 
  • The extent and genetic basis of phenotypic divergence in life history traits in Mimulus guttatus. 
  • The genetic basis of a flower color polymorphism in the common morning glory (Ipomoea purpurea). 
  • Three-genome mosses: complex double allopolyploid origins for triploid gametophytes in Sphagnum. 
  • Unique expression of a sporophytic character on the gametophytes of notholaenid ferns (Pteridaceae). 
  • ZEITLUPE encodes a novel clock-associated PAS protein from Arabidopsis. 
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  Keywords of People

  • Mitchell-Olds, Thomas, Newman Ivey White Distinguished Professor of Biology, Biology