title: Sunflower mycorrhizal roots RNA-seq. H. annuus roots of control ( C ) and inoculated ( M ) with Rhizoglomus irregulare after 4 and 16 days of symbiosis. Sequence data were generated by deep sequencing using Illumina HiSeq.
design: mRNA  was used for the construction of single-end libraries according to the standard Illumina protocol (Illumina, San Diego, CA, USA).