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TransRate is a tool for reference-free quality assessment of de novo transcriptome assemblies. Using only the sequenced reads and the assembly as input, we show that multiple common artifacts of de novo transcriptome assembly can be readily detected. These include chimeras, structural errors, incomplete assembly, and base errors. TransRate evaluates these(More)
Leaves of almost all C4 lineages separate the reactions of photosynthesis into the mesophyll (M) and bundle sheath (BS). The extent to which messenger RNA profiles of M and BS cells from independent C4 lineages resemble each other is not known. To address this, we conducted deep sequencing of RNA isolated from the M and BS of Setaria viridis and compared(More)
With at least 60 independent origins spanning monocotyledons and dicotyledons, the C4 photosynthetic pathway represents one of the most remarkable examples of convergent evolution. The recurrent evolution of this highly complex trait involving alterations to leaf anatomy, cell biology and biochemistry allows an increase in productivity by ∼ 50% in tropical(More)
Leaves of angiosperms are made up of multiple distinct cell types. While the function of mesophyll cells, guard cells, phloem companion cells and sieve elements are clearly described, this is not the case for the bundle sheath (BS). To provide insight into the role of the BS in the C3 species Arabidopsis thaliana, we labelled ribosomes in this cell type(More)
Most terrestrial plants use C3 photosynthesis to fix carbon. In multiple plant lineages a modified system known as C4 photosynthesis has evolved. To better understand the molecular patterns associated with induction of C4 photosynthesis, the genus Flaveria that contains C3 and C4 species was used. A base to tip maturation gradient of leaf anatomy was(More)
The C4 pathway is a highly complex trait that increases photosynthetic efficiency in more than 60 plant lineages. Although the majority of C4 plants occupy disturbed, arid, and nutrient-poor habitats, some grow in high-nutrient, waterlogged conditions. One such example is Echinochloa glabrescens, which is an aggressive weed of rice paddies. We generated(More)
There is an error in the first sentence of the Materials and Methods. The correct sentence is: C. gynandra was grown in soil under long-day conditions in a cabinet with light intensity of 350 μmol photons m-2 s-1 and a temperature of daytime 23°C/20°C. access article distributed under the terms of the Creative Commons Attribution License, which permits(More)
11 TransRate is a tool for reference-free quality assessment of de novo transcriptome assemblies. 12 Using only sequenced reads as the input, TransRate measures the quality of individual contigs 13 and whole assemblies, enabling assembly optimization and comparison. TransRate can 14 accurately evaluate assemblies of conserved and novel RNA molecules of any(More)
C4 photosynthesis represents an excellent example of convergent evolution that results in the optimization of both carbon and water usage by plants. In C4 plants, a carbon-concentrating mechanism divided between bundle sheath and mesophyll cells increases photosynthetic efficiency. Compared with C3 leaves, the carbon-concentrating mechanism of C4 plants(More)
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