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Termination of asymmetric cell division and differentiation of stomata
Stomata consist of a pair of guard cells that mediate gas and water-vapour exchange between plants and the atmosphere. Stomatal precursor cells—meristemoids—possess a transient stem-cell-like… Expand
Rapid Evolution of Enormous, Multichromosomal Genomes in Flowering Plant Mitochondria with Exceptionally High Mutation Rates
A pair of species within the genus Silene have evolved the largest known mitochondrial genomes, coinciding with extreme changes in mutation rate, recombination activity, and genome structure.
Parallel histories of horizontal gene transfer facilitated extreme reduction of endosymbiont genomes in sap-feeding insects.
- D. Sloan, A. Nakabachi, +4 authors N. Moran
- Biology, Medicine
- Molecular biology and evolution
- 1 April 2014
Bacteria confined to intracellular environments experience extensive genome reduction. In extreme cases, insect endosymbionts have evolved genomes that are so gene-poor that they blur the distinction… Expand
Genome reduction and co-evolution between the primary and secondary bacterial symbionts of psyllids.
Genome reduction in obligately intracellular bacteria is one of the most well-established patterns in the field of molecular evolution. In the extreme, many sap-feeding insects harbor nutritional… Expand
Antisense Transcription Is Pervasive but Rarely Conserved in Enteric Bacteria
ABSTRACT Noncoding RNAs, including antisense RNAs (asRNAs) that originate from the complementary strand of protein-coding genes, are involved in the regulation of gene expression in all domains of… Expand
The Mitochondrial Genome of the Legume Vigna radiata and the Analysis of Recombination across Short Mitochondrial Repeats
The mitochondrial genomes of seed plants are exceptionally fluid in size, structure, and sequence content, with the accumulation and activity of repetitive sequences underlying much of this… Expand
Plant functional types do not predict biomass responses to removal and fertilization in Alaskan tussock tundra
- M. Bret-Harte, M. C. Mack, +6 authors F. S. Chapin
- Biology, Medicine
- The Journal of ecology
- 1 July 2008
Plant communities in natural ecosystems are changing and species are being lost due to anthropogenic impacts including global warming and increasing nitrogen (N) deposition. We removed dominant… Expand
The Hologenome Concept: Helpful or Hollow?
With the increasing appreciation for the crucial roles that microbial symbionts play in the development and fitness of plant and animal hosts, there has been a recent push to interpret evolution… Expand
Endosymbiotic bacteria as a source of carotenoids in whiteflies
Although carotenoids serve important biological functions, animals are generally unable to synthesize these pigments and instead obtain them from food. However, many animals, such as sap-feeding… Expand
Plant Mitochondrial Genome Diversity: The Genomics Revolution
Mitochondrial genomes are remarkably diverse among green plants, and the explosion of genome sequencing over the last 30 years has greatly expanded our understanding of this diversity. Genome sizes… Expand