Project description:Transcript profiling of leaves from Quercus ilex seedlings subjected to well-watering and drought-stress (irrigation withdrawal) conditions
Project description:Applying a gel-based proteomic approach, the dynamic changes in root proteins of drought treated Quercus ilex subsp. Ballota [Desf.] Samp. seedlings were followed. Water stress was applied on 20 day-old holm oak plantlets by water limitation for a period of 10 and 20 days, each followed by 10 days of recovery. Root proteins were extracted using trichloroacetate/acetone/phenol protocol and subjected to two-dimensional electrophoresis. Coomassie colloidal stained gel images were analysed and spot intensity data subjected to multivariate statistical analysis. Selected consistent spots in the three biological replicas, presenting significant changes under stress, were subjected to MALDI-TOF mass spectrometry (peptide mass fingerprinting and MS/MS). For protein identification, combined search was performed with MASCOT search engine over NCBInr Viridiplantae and Uniprot databases. Taxonomy Holm oak (Quercus ilex subsp. Ballota [Desf.] Samp.). Dentro de Q. ilex hay dos subespecies, ilex ilex e ilex Ballota.
Project description:The protein content in the cotyledon was analyzed in 2 stages of maturity (CM6, CM9) and one of germination (CG5) using the GeLC-Orbitrap/MS technique in Quercus ilex Non-Orthodox seeds.
Project description:Drought is considered as a threat to the sustainability of Mediterranean forests and, of the agro-silvo-pastoral “dehesa” system. Holm oak (Quercus ilex L.) is one of the most representative species of these ecosystems and this abiotic stress causes a high tree mortality rate, being more accused at the seedling stage. In this study, an integrative analysis of transcriptome and proteome in leaves of Q. ilex seedlings under drought conditions was carried out to identify gene products involved in the metabolic pathways related to drought tolerant mechanisms.
