Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Lepidium sativum seed germination timecourse


ABSTRACT: This series analyses germinating Lepidium sativum seeds with both temporal and spatial detail. This is a cross species microarray normalisation on Arabidopsis thaliana chips. Performed as part of the vSEED project Lepidium seeds were dissected into four compartments at seven time points during seed germination. The compartments were the micropylar endosperm (CAP), the non-micropylar endosperm (NME), the radicle and lower hypocotyl (RAD) and the cotyledons (COT). At testa and endosperm rupture the seeds were split into pre- and post- ruptured populations. Dry seeds were also sampled: as a whole seed (DRY), the radicle and endosperm part (DRYRC) and the dry seed part containing the non-micropylar endosperm and part of the cotyledons (DRYNMC).

ORGANISM(S): Lepidium sativum

SUBMITTER: Simon Pearce 

PROVIDER: E-GEOD-55702 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications


Pectin methylesterase (PME) controls the methylesterification status of pectins and thereby determines the biophysical properties of plant cell walls, which are important for tissue growth and weakening processes. We demonstrate here that tissue-specific and spatiotemporal alterations in cell wall pectin methylesterification occur during the germination of garden cress (Lepidium sativum). These cell wall changes are associated with characteristic expression patterns of PME genes and resultant en  ...[more]

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