organism: Dichanthelium oligosanthes
description: Dichanthelium oligosanthes is a C3 panicoid grass that shares recent common ancestors with Sorghum bicolor and Setaria viridis, which represent two lineages that independently evolved C4 photosynthesis. Thus, D. oligosanthes is ideally placed to serve as an in-group for panicoid comparative genomics. Here we report the assembly of the nuclear and chloroplast genomes of D. oligosanthes, from high-throughput short read sequencing data, as well as a comparative transcriptomics analysis of the developing leaf of D. oligosanthes, S. bicolor, and S. viridis. Physiological and anatomical characterizations verified that D. oligosanthes utilizes the C3 pathway for carbon fixation and lacks Kranz anatomy. Expression profiles of transcription factors (TFs) along developing leaves of D. oligosanthes, S. bicolor, and S. viridis were compared with previously published data from, Zea mays and Oryza sativa to identify a small suite of TFs that likely acquired functions specifically related to C4 photosynthesis.
attributes.tag: cultivar
attributes.value: Kellogg 1175
attributes.tag: dev_stage
attributes.value: Late vegetative developmental stage
attributes.tag: geo_loc_name
attributes.value: USA: St. Louis, Missouri
attributes.tag: tissue
attributes.value: Leaf
attributes.tag: BioSampleModel
attributes.value: Plant