The group focuses on investigating the genetic regulation of phenotypic diversity. The two main crop species that we work on are Brassica oleracea and B. rapa on the one hand, and potato at the other hand. In Brassica a main topic is to understand the enormous phenotypic diversity, ranging from cabbages to tuber forming and oilseed crops, and the role of the recent genome triplication in this. In potato, the main goal is to understand tuber development. The cloning of the earliness gene was a major break-through and is continued, with special attention to the role of external factors on tuberization.
In Brassica a main team is to understand the enormous phenotypic diversity, with in B. oleracea cauliflowers, cabbages, kohlrabi’s, Brussels sprouts and kale and in B. rapa a similar diversity in crops, ranging from Chinese cabbage and pakchoi to turnips and rapeseed. We develop core collections and biparental populations from crosses between different morphotypes for (association) mapping and resequence inbred lines, landraces and modern hybrids to search marks of domestication. This illustrated that the genome triplication shared by these Brassica species facilitated diversification and showed that subgenome parallel selection is associated with convergent domestication of the different crops. Key traits for investigation are leafy head formation of cabbages and tuber formation of turnips and kohlrabi’s. In addition both flowering time and leaf development, which are strictly related to diverse morphotypes, are studied. We also studied seed quality and variation in glucosinolates, both in planta but also the variation in degradation kinetics during food processing in collaboration with Food Scientists.
Potato tuberisation and the moment it occurs are very important in determining the final size distribution, number of tubers and total yield. Following on from the identification of an important regulator of tuberisation controlling potato life cycle published in Nature in 2013 and also additional research into the important role of hormones in this process. The research focus is on the interaction between the regulation of flowering and tuber formation in potato and the effects of environmental stress on potato tuberisation.
Effect of ambient temperature fluctuation on the timing of the transition to the generative stage in cauliflower
Environmental and Experimental Botany (2018). - ISSN 0098-8472 - 9 p.
A workshop on 'Dietary Sweetness-Is It an Issue?'
International Journal of Obesity 42 (2018)4. - ISSN 0307-0565 - p. 934 - 938.
QTLTableMiner++: Semantic mining of QTL tables in scientific articles
BMC Bioinformatics 19 (2018). - ISSN 1471-2105
Drought response in field grown potatoes and the interactions between canopy growth and yield
Agricultural Water Management 206 (2018). - ISSN 0378-3774 - p. 20 - 30.
Brassica Oleracea, Mediametic.net, 2018-03-22, Maaike Hommes, https://www.mediamatic.net/en/page/370156/brassica-oleracea
New aspects of inheritance
Wageningen : Wageningen University
New developments in plant biotechnology
Wageningen : Wageningen University
U in Brassica Research
Splicing-related genes are alternatively spliced upon changes in ambient temperatures in plants
PLoS One 12 (2017)3. - ISSN 1932-6203
Genome-wide analysis of auxin transport genes identifies the hormone responsive patterns associated with leafy head formation in Chinese cabbage
Scientific Reports 7 (2017). - ISSN 2045-2322 - p. 42229 - 42229.
- Sara Bergonzi
- José Abelenda
- Mina Jin
- Kristin Hennig
- Ram Kumar Basnet
- XiaoXue Sun