Project description:The total RNA were extracted from pooled tissues of leaves and flowers from several plants of sacred lotus using TRIzol reagent (Invitrogen) according to the manufacturer's instructions. Then small RNAs ranging in 18–30 nucleotides were size fractionated electrophoretically, isolated from the gel, ligated with the 5′ and 3′ RNA adapters. The ligated product was reverse transcribed and subsequently amplified using 10–12 PCR cycles. The purified PCR product was sequenced using Illumina Genome Analyzer II. The qualified reads were used to predict phased small interfering RNAs from Chinese sacred lotus (Nelumbo nucifera Gaertn.).
Project description:The long-lived sacred lotus (Nelumbo nucifera) fruit provides a good platform for uncovering aging-related mechanism in extension of seed-life and improving of food quality of economic crops during storage. Here, we investigated the proteome of artificial aging lotus seed to uncover the aging -resistance mechanism. Proteome was performed on the seeds embryo axis treated at 80C for 0, 12 and 24 Hours. We identified 4667 proteins, and found 383 and 37 proteins (folds>1.3, FDR<0.01) were differentially expressed from 0-12h and 12-24h treatment, respectively. This proteome data will provide a better understanding and give further insights on lotus seed aging-resistance.
Project description:Lotus (Nelumbo nucifera Gaertn) belongs to the family Nymphaeaceae, and is a popular aquatic vegetable that is rich in nutrients. It is widely cultivated in China, and many varieties of lotus are used for different purposes, suited to different climates, and consumed in different ways. Lotus is commonly produced by asexual propagation, so mutation through hybridization and variation fixed by asexual propagation are the main ways to create new varieties. Therefore, the formation of adventitious roots (ARs) in lotus, which does not have a well-developed principal root, is an important part of growth and development. It would be very useful to control ARs formation for lotus production and breeding.