Flowering time, development and yield in oilseed rape (Brassica napus L.):
Sequence diversity in regulatory genes, miRNA expression and abiotic stress responses
Research Interests
My main research focus is the genetic regulation of climaticadaptation. The species I am mainlyinvestigating is the polyploid oil crop Brassica napus. In my projects, the main questions deal with natural diversity among flowering time genes, the influence of flowering time genes on adaptation and yield and the interplay between stress signaling and developmental pathways. Methodologically, I mainly work with NGS data (target enrichment/ exome sequencing, re-sequencing data, RNAseq, small RNA sequencing) and gene expression analysis. At the moment, I work on meiosis gene variation in different Brassica species. In my next project funded by the DFG, I will deal with the mutation rate of newly formed polyploids.
Skills/Expertise /Research Keywords
SequenceCapture/ target enrichment
NGS data handling
GWAS
Flowering time
Drought stress
miRNA regulation
Brassica napus
Natural variation
mutation rate
polyploidy
Awards
2015 Quedlinburger Pflanzenzüchtungstage: Extra prize for the Kurt-von-Rümker-Presentations
2014 Winner of the first Giessen ScienceSlam
Selected Publications
2018
Schiessl S, Katche E, Ihien E, Chawla HS, Mason AS: The role of genomic structural variation in the genetic improvement of polyploid crops, The Crop Journal 2018, in press
Shah S, Weinholdt C, Jedrusik N, Molina C, Zou J, Große I, Schiessl S;et al.: Whole‐transcriptome analysis reveals genetic factors underlying flowering time regulation in rapeseed (Brassica napus L.). Plant Cell Environ. 2018;1–13
2017
Hurgobin B, Golicz A, Bayer P, Chan K, Tirnaz S, Dolatabadian A, Schiessl S;et al.: Homoeologous exchange is a major cause of gene presence/absence variation in the amphidiploid Brassica napus. Plant Biotechnol. J. 2017
Schiessl SV, Huettel B, Kuehn D, Reinhardt R, Snowdon RJ.: Flowering time gene variation in Brassica species shows evolutionary principles. Front. Plant Sci. 2017, 8: 183
Stein A, Coriton O, Rousseau-Gueutin M, Samans B, Schiessl SV,et al.: Mapping of homoeologous chromosome exchanges influencing quantitative trait variation in Brassica napus. Plant Biotechnol. J. 2017,12732
Schiessl S, Hüttel B, Kühn D, Reinhardt R, Snowdon RJ: Targeted deep sequencing of flowering regulators in Brassica napus reveals extensive copy number variation. Sci. Data. 2017, 4: 170013
