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Jacobaea vulgaris

ABSTRACT: Jacobaea vulgaris overview

PROVIDER: PRJNA1159934 | ENA |

REPOSITORIES: ENA

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			Action	DRS
		Other
	ERR13670004_1.fastq.gz	Fastqsanger.gz
	ERR13670004_2.fastq.gz	Fastqsanger.gz
	ERR13670005_1.fastq.gz	Fastqsanger.gz
	ERR13670005_2.fastq.gz	Fastqsanger.gz

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ddRAD sequence data of Jacobaea vulgaris (Asteraceae) from both the native European and invasive North American range

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Diversity and evolution of cytochrome P450s of Jacobaea vulgaris and Jacobaea aquatica.

Project description:BackgroundCollectively, plants produce a huge variety of secondary metabolites (SMs) which are involved in the adaptation of plants to biotic and abiotic stresses. The most characteristic feature of SMs is their striking inter- and intraspecific chemical diversity. Cytochrome P450 monooxygenases (CYPs) often play an important role in the biosynthesis of SMs and thus in the evolution of chemical diversity. Here we studied the diversity and evolution of CYPs of two Jacobaea species which contain a characteristic group of SMs namely the pyrrolizidine alkaloids (PAs).ResultsWe retrieved CYPs from RNA-seq data of J. vulgaris and J. aquatica, resulting in 221 and 157 full-length CYP genes, respectively. The analyses of conserved motifs confirmed that Jacobaea CYP proteins share conserved motifs including the heme-binding signature, the PERF motif, the K-helix and the I-helix. KEGG annotation revealed that the CYPs assigned as being SM metabolic pathway genes were all from the CYP71 clan but no CYPs were assigned as being involved in alkaloid pathways. Phylogenetic analyses of full-length CYPs were conducted for the six largest CYP families of Jacobaea (CYP71, CYP76, CYP706, CYP82, CYP93 and CYP72) and were compared with CYPs of two other members of the Asteraceae, Helianthus annuus and Lactuca sativa, and with Arabidopsis thaliana. The phylogenetic trees showed strong lineage specific diversification of CYPs, implying that the evolution of CYPs has been very fast even within the Asteraceae family. Only in the closely related species J. vulgaris and J. aquatica, CYPs were found often in pairs, confirming a close relationship in the evolutionary history.ConclusionsThis study discovered 378 full-length CYPs in Jacobaea species, which can be used for future exploration of their functions, including possible involvement in PA biosynthesis and PA diversity.

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daJacVulg

Project description:Jacobaea vulgaris

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Gordonia jacobaea strain:mv1

Project description:Gordonia jacobaea strain:mv1 Genome sequencing and assembly

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Regulation of Jacobaea vulgaris by varied cutting and restoration measures

Project description:The growth of the noxious grassland weed Jacobaea vulgaris Gaertn. in pastures is a threat to grazing animals. This is especially true when it dominates vegetation cover, which often occurs on non-intensively used pastures that are managed for nature-conservation, to maintain and promote biodiversity. Thus, we wanted to find management techniques to reduce J. vulgaris without harming the floral biodiversity on the pastures. We tested six different mechanical and cultural methods to reduce the presence and spread of J. vulgaris. Seven study sites in Northern Germany (Schleswig-Holstein) were treated with tilling and seeding (1), tilling and hay transfer (2), mowing twice within bloom (3), mowing before seed set and combinations of mowing and seeding with a slit drill (5) or by hand (6). Our results show that cutting within the bloom of the plant at the end of June and again four weeks later, when the plant is in its second bloom was the only treatment leading to a significant reduction in population growth rate without reducing surrounding plant species richness. The study reveals that management of J. vulgaris in non-intensively used pastures is possible, while preserving species-rich grasslands.

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Project description:Transcriptome analysis of Jacobaea vulgaris and Jacobaea aquatica

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Project description:Mycena vulgaris overview

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