Ontology highlight
ABSTRACT:
PROVIDER: PRJNA488807 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR7774480_1.fastq.gz | Fastqsanger.gz | |||
| SRR7774480_2.fastq.gz | Fastqsanger.gz | |||
| SRR7774490_1.fastq.gz | Fastqsanger.gz | |||
| SRR7774490_2.fastq.gz | Fastqsanger.gz | |||
| SRR7774500_1.fastq.gz | Fastqsanger.gz |
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Project description:Stool microbiome after Dietary rice bran supplementation Raw sequence reads
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Project description:Background and study aims
Colorectal cancer (CRC) is one of the most commoncancers among humans worldwide. Recent studies demonstrated that the composition of the bacterial community in the human gut, as well as inflammation occurring in the gut, are some of the factors that modify the risk of an individual to develop CRC. The human gut is home to more than 1000 bacterial species, including health-promoting species and disease-causing species.
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Who can participate?
Chinese adults of either gender, who are aged 50 or above and are categorised to be in the high risk CRC group by the Asian-Pacific Colorectal Screening tool, in which classification is based on age, smoking status and family history of CRC.
What does the study involve?
After the recruited subjects were screened for eligibility of study participation and written informed consent had been obtained from them, they were randomly assigned into either Group A or Group B. Participants in Group A were given packets of rice bran and were asked to consume 30 grams of the rice bran at 24-hour intervals for 24 weeks. Participants in Group B were given packets of rice powder that has similar appearance and colour as the rice bran, and were asked to consume 30 grams of the rice powder, also at 24-hour intervals for 24 weeks. All participants were asked to provide a stool sample and blood sample at various time points during the study, namely just before rice bran consumption, as well as 6 weeks, 12 weeks and 24 weeks after the start of rice bran consumption. Laboratory tests were conducted on these samples. All participants were also instructed to complete a log book, detailing the date and time of rice bran or rice powder intake each day, and the amount consumed. The participants also completed a faecal diary where they documented the frequency of egestion, and the shape and amount of stool egested each day, as well as the occurrence of any abdominal discomfort or pain.
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Project description:Rice grains are rich in starch but are deficient in proteins containing essential amino acids such as lysine and threonine. Therefore, efforts have been made to improve the nutritional value of rice by overexpressing the genes involved in lysine biosynthesis and/or suppression of lysine catabolism that led to the increased protein content in rice grains. Despite the economic and nutritional benefits rice, the protein accumulation mechanisms are largely elusive. Therefore, to explore the comprehensive proteome profiles, three different parts of rice grains including embryo, endosperm, bran were harvested from weedy rice cultivars (cv. Dharial) and its EMS mutant (DM) having 9.3 and 14.8% of protein content in rice grains, respectively. Here, we utilized a label-free quantitative proteomic analysis and this approach led to the identification of total 5,821 proteins. Of these, 322, 723, and 550 proteins revealed significant differences in their abundance in rice embryo, endosperm, and bran, respectively. Functional classification of identified proteins revealed that enrichment of proteins associated with nitrogen compound biosynthesis and transport, intracellular transport, localization, protein/amino acid synthesis, and photosynthesis, among others were observed in endosperm and bran of high protein mutant rice cultivar. Taken together, the current study uncovers the proteome changes and highlight the various functions of metabolic pathways associated with protein accumulation in rice.
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