8 Feb 2024
Job Information
- Organisation/Company
University of Oslo- Research Field
Biological sciences- Researcher Profile
First Stage Researcher (R1)- Country
Norway- Application Deadline
29 Feb 2024 - 23:00 (Europe/Oslo)- Type of Contract
Temporary- Job Status
Full-time- Hours Per Week
37.5- Is the job funded through the EU Research Framework Programme?
Not funded by an EU programme- Is the Job related to staff position within a Research Infrastructure?
No
Offer Description
Genomic imprinting is an epigenetic phenomenon giving rise to parent-of-origin allele specific expression that occurs mainly in placental tissue/endosperm in animals and plants and is hypothesized to be involved in the allocation of nutrient resources to the growing embryo. Although imprinting has evolved independently in plant and animal lineages, similar epigenetic mechanisms, including DNA methylation, histone tail modification, and sRNA-guided silencing mechanisms are conserved. In plants, genomic imprinting is hypothesized to be established in the gametes and reflected in parent-of-origin allele specific expression in the endosperm after fertilization [Hornslien et al. Plant Physiol. 2019].
Using temporal and spatial endosperm specific GFP markers and fluorescence-assisted nuclear sorting to study endosperm expression by allele-specific transcript profiling, we have shown that imprinting patterns can be established late in endosperm development and in specific domains, challenging the current hypothesis [van Ekelenburg et al. Plant Physiol. 2023]. These findings are supported by experimental evidence from hybridization crosses between different Arabidopsis species: Here, a parental-specific expression can be reversed by fertilization by a different species, suggesting a dynamic regulation mechanism that can act after fertilization [Bjerkan et al., Plant J. 2020]. We have established that using different species in hybrid crosses leads to diametrically opposite phenotypic consequences in the endosperm, thus allowing association of imprinting patterns to a phenotype [Bjerkan et al., Front. Plant Sci. 2023].
For more information and how to apply: https://www.jobbnorge.no/en/available-jobs/job/257250/phd-research-fellow-in-plant-reproduction-and-developmental-biology
Requirements
- Research Field
- Biological sciences
- Education Level
- Master Degree or equivalent
Additional Information
Work Location(s)
- Number of offers available
- 1
- Company/Institute
- Department of Bio
- Country
- Norway
- Geofield
Where to apply
- Website
https://www.jobbnorge.no/en/available-jobs/job/257250/phd-research-fellow-in-pl…
Contact
- City
Oslo- Website
https://www.mn.uio.no/ibv/english/- Street
PO box 1072 Blindern- Postal Code
NO-0316
[email protected]
STATUS: EXPIRED
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