Uncovering the role of falcarin-type polyacetylenes in carrots for enhanced resistance

He, Wanying

dc.contributor.advisor	Neugart, Susanne Prof. Dr.
dc.contributor.author	He, Wanying
dc.date.accessioned	2024-06-05T17:41:53Z
dc.date.available	2024-10-11T00:50:10Z
dc.date.issued	2024-06-05
dc.identifier.uri	http://resolver.sub.uni-goettingen.de/purl?ediss-11858/15285
dc.identifier.uri	http://dx.doi.org/10.53846/goediss-10528
dc.format.extent	140	de
dc.language.iso	eng	de
dc.subject.ddc	630	de
dc.title	Uncovering the role of falcarin-type polyacetylenes in carrots for enhanced resistance	de
dc.type	cumulativeThesis	de
dc.contributor.referee	Neugart, Susanne Prof. Dr.
dc.date.examination	2023-10-12	de
dc.description.abstracteng	Falcarin-type polyacetylenes (PA) are a group of putative plant defense metabolites produced by carrot plants. However, the elucidation of PA biosynthetic pathway and the biological function of PA in carrot plants are not yet fully understood. This research first investigated the influence of endogenous PA on plant resistance against two fungi pathogens, Mycocentrospora acerina and Botrytis cinerea, limited inhibition effects of PA were observed. Secondly, strong quantitative trait loci (QTLs) for PA accumulation in carrots were identified, which co-located with several candidate fatty acid desaturase 2 (FAD2) and eceriferum 1 (CER1) genes. Meanwhile, spatial and temporal gene expression studies of candidate FAD2 genes by qRT-PCR showed the high activities of these genes in lateral roots and young plants. Lastly, the function of a FAD2 and a CER1 candidates was characterized respectively through loss-of-function analysis and revealed the altered PA levels and FAD2 gene co-expression pattern. This research has provided insights into PA as putative plant defense metabolites and the candidates of FAD2 genes that involve in PA biosynthetic pathway.	de
dc.contributor.coReferee	Wittstock, Ute Prof. Dr.
dc.contributor.thirdReferee	Tiedemann, Andreas von Prof. Dr.
dc.subject.eng	falcarin-type polyacetylenes	de
dc.subject.eng	Daucus carota	de
dc.subject.eng	Mycocentrospora acerina	de
dc.subject.eng	Botrytis cinerea	de
dc.subject.eng	eceriferum 1	de
dc.subject.eng	fatty acid desaturase 2	de
dc.subject.eng	plant defense metatbolites	de
dc.identifier.urn	urn:nbn:de:gbv:7-ediss-15285-5
dc.affiliation.institute	Fakultät für Agrarwissenschaften	de
dc.subject.gokfull	Land- und Forstwirtschaft (PPN621302791)	de
dc.description.embargoed	2024-10-11	de
dc.identifier.ppn	1890852139
dc.identifier.orcid	0009-0004-1058-7949	de
dc.notes.confirmationsent	Confirmation sent 2024-06-05T19:45:01	de