Project description:This dataset relates to a proteomic analysis of Ave1 homologs in the fungal pathogens Venturia pirina and Venturia inequalis. These species are the cause of scab disease on European pear (Pyrus communis) and apple (Malus pumila). Sample preparation for both V. pirina and V. inequalis was designed to focus on effectors and eliminate host proteins. To do this the fungi were grown in vitro, on cellophane sheets mimicing the growth habit in infected leaves and proteins were extracted using a gentle washing procedure designed to avoid cell wall breakage. LC-MS/MS data was queried against a protein database generated from gene predictions obtained from whole genome sequences of V. pirina and V. inequalis.
Project description:In many plant species, flower stigma secretions are important in early stages of sexual reproduction. Previous chemical analysis and proteomic characterization of these exudates provided insights into their biological function. Nevertheless, the presence of nucleic acids in the stigma exudates has not been previously reported. Here we studied the stigma exudates of Pyrus communis, Pyrus pyrifolia and Pyrus syriaca, and showed them to harbor extracellular RNAs of various sizes. RNA sequencing revealed, for the first time, the presence of known Rosaceae mature micro-RNAs (miRs), also abundant in the stigma source tissue. Predicted targets of the exudate miRs in the Arabidopsis thaliana genome include genes involved in various biological processes. Several of these genes are pollen transcribed, suggesting possible involvement of exudate miRs in transcriptional regulation of the pollen. Moreover, extracellular miRs can potentially act across kingdoms and target genes of stigma interacting organisms/microorganisms, thus opening novel applicative avenues in HortSciences.
Project description:A new haloalkaliphilic species of Wenzhouxiangella, strain AB-CW3 was isolated from a system of alkaline soda lakes in the Kulunda Steppe. Its complete, circular genome was assembled from combined nanopore and illumina sequencing and its proteome was determined for three different experimental conditions: growth on Staphylococcus cells, casein, or peptone. AB-CW3 is an aerobic bacterium feeding mainly on proteins and peptides.
Project description:Primary objectives: The primary objective is to investigate circulating tumor DNA (ctDNA) via deep sequencing for mutation detection and by whole genome sequencing for copy number analyses before start (baseline) with regorafenib and at defined time points during administration of regorafenib for treatment efficacy in colorectal cancer patients in terms of overall survival (OS).
Primary endpoints: circulating tumor DNA (ctDNA) via deep sequencing for mutation detection and by whole genome sequencing for copy number analyses before start (baseline) with regorafenib and at defined time points during administration of regorafenib for treatment efficacy in colorectal cancer patients in terms of overall survival (OS).
Project description:In order to compare sexual and asexual multiplication in Malus domestica we performed bisulfite sequencing to study change in differentially methylated region
Project description:Purpose: The goals of this study was to obtain transcriptome data from five developmental stages of adventitious roots of Pyrus ussuriensis Maxim using transcriptome analysis (RNA-Seq) and qRT-PCR analysis. Mathods: The mRNA profiles of the adventitious root development of Pyrus ussuriensis on day 0, day 3, day 6, day 9, and day 12 were examined by deep sequencing, in triplicate, using Illumina HiSeq 2000. Ultra™ RNA LibraryPrep Kit for Illumina® (NEB, USA) following manufacturer’s recommendations and indexcodes were added to attribute sequences to each sample. qRT–PCR validation was performed using TaqMan and SYBR Green assays. Results: The transcriptome regulation analysis of the Pyrus ussuriensis adventitious root formation was performed on this study. And a total of 19,470 DEGs (Differentially Expressed Gene), which were mainly enriched in hormone synthesis and signaling pathways, energy metabolism, synthesis and metabolism of secondary products, were detected. the key regulatory genes of adventitious root formation were screened, mainly including the gene family WOX, LBD and SRS. Auxin, plays a key role in the induction and development of root primordium, its signal transduction pathway-related genes were up-regulated during the induction period of root primordium, and down-regulated during the development of root primordia. Carotenoids is the precursor substance of abscisic acid synthetize. And for the reasons that the genes of carotenoid synthesis and signal transduction pathway of abscisic acid were down-regulated during the period of stable development and the root primordium induction, and up-regulated during the period of root primordium development of adventitious root, it was supposed that abscisic acid was a control substance, that regulated the metabolic network of development of adventitious roots. Conclusions: Our results provide a comprehensive high-resolution characterization of gene expression profiles during the pear root transition process.A number of DEGs were detected from the root primordium to adventitious root growth stages, and these belonged to hormone metabolism pathways.These results provide a valuable resource for studies in other closely related species with similar agricultural and productive value. The differentially expressed genes dataset will also provide useful candidate genes for functional analysis of pear rooting.
Project description:Indian sandalwood (Santalum album) is an economically important plant known for its aromatic wood. This highly valued plant has also been reported as an endangered species. Despite its economic value, the genome sequence of this plant is not yet available. In the current study,we report the draft genome sequence of sandalwood generated using Illumina HiSeq1000 sequencing platform. Genome annotation was carried out using InterProScan tool and Uniprot database,which was further facilitated using in-house RNA-Seq data. Further, we carried out in-depth proteome analysis of samples derived from four tissues viz., shoot meristem, leaf, stem and fruit using high-resolution tandem mass spectrometry. Proteogenomics analysis was performed to identify novel gene models, revise the predicted gene structures and provide experimental evidence for the predicted genes. Our analysis resulted in the identification of 72,325 peptides mapping to 10,076 genes predicted in the sandalwood genome thereby validating the expression of these gene models. Additionally, this study also provides evidence for 53 novel protein coding genes and revision of 121existing gene models.