Project description:Dioscorea tuber undergoes multiple morphological and bio-chemical changes during its 9 month growth period. A stage specific gel free analysis was done to understand the proteomic changes associated with tuber development and assign markers. On the basis of morphological traits the tuber life cycle was divided into four developmental stages namely; root initiation (S1), vegetative growth (S2), new tuber initiation (S3) and tuber maturation (S4) which was validated by principal component analysis (PCA). The first most comprehensive data set was generated by using the pooled genome information from Dioscorea + Solanum + Viridateplantae as reference set identifying 78.2% of the total 3,681 proteins. The over-representation analysis of proteins using PANTHER and KEGG MAPPER revealed both expected and novel biological processes relevant to each developmental stage. A high abundance of the enzymes of ascorbate-glutathione cycle, carbohydrate metabolism, Glycolysis, TCA cycle was detected during tuber degradation and formation. The Glycolytic and starch biosynthesis pathway were re-constructed using the information derived from the proteome data. Novel transcription factors (14) associated with oxidative stress tolerance were identified in D.alata proteome. In conclusion, the data set comprehensively describes the proteome of Dioscorea tuber and provided growth specific markers (APx, MDHAR, invertase for degradation and sucrose synthase for formation) that would pave the way to a systematic study of the tuber. The study provides information that may influence the direction of research for improving the productivity of this under-utilized crop.

2021-01-04 | PXD014734 | Pride

RNA-seq of the ileo-caecal valve lymph node of sheep with paratuberculosis compared to uninfected controls

Project description:Sheep total RNA was extracted from the Ileo-caecal valve lymph node (ICLN) of sheep with multibacillary paratuberculosis compared to ICLN of uninfected controls. Sequencing libaries were prepared from RNA using the Illumina TruSeq RNA Sample Preparation Kit v2. Sequencing with 101 base paired end reads was performed on an Illumina HiSeq 2500 at Edinburgh Genomics.

2017-05-03 | E-MTAB-5146 | biostudies-arrayexpress

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