Ontology highlight
ABSTRACT:
PROVIDER: PRJNA553291 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR9656470.fastq.gz | Fastqsanger.gz | |||
| SRR9656471.fastq.gz | Fastqsanger.gz | |||
| SRR9656472.fastq.gz | Fastqsanger.gz | |||
| SRR9656473.fastq.gz | Fastqsanger.gz | |||
| SRR9656474.fastq.gz | Fastqsanger.gz |
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Project description:Peanut is one of the most important cash crops with high quality oil, high protein content, and many other nutritional elements, and grown globally. Cultivated peanut (Arachis hypogaea L.) is allotetraploid with a narrow genetic base, and its genetics and molecular mechanisms controlling the agronomic traits are poorly understood. The array SNP data was used for revaling of key candidate loci and genes associated with important agronomic traits in peanut
2022-02-22 | GSE197103 | GEO
Project description:Peanut (Arachis hypogaea) has a large (~2.7 Gbp) allotetraploid genome with closely related component genomes making its genome very challenging to assemble. Here we report genome sequences of its diploid ancestors (A. duranensis and A. ipaënsis). We show they are similar to the peanutâs A- and B-genomes and use them use them to identify candidate disease resistance genes, create improved tetraploid transcript assemblies, and show genetic exchange between peanutâs component genomes. Based on remarkably high DNA identity and biogeography, we conclude that A. ipaënsis may be a descendant of the very same population that contributed the B-genome to cultivated peanut. Whole Genome Bisulphite Sequencing of the peanut species Arachis duranensis and Arachis ipaensis.
2016-07-03 | E-GEOD-71357 | biostudies-arrayexpress
Project description:Peanut (Arachis hypogaea) has a large (~2.7 Gbp) allotetraploid genome with closely related component genomes making its genome very challenging to assemble. Here we report genome sequences of its diploid ancestors (A. duranensis and A. ipaënsis). We show they are similar to the peanut’s A- and B-genomes and use them use them to identify candidate disease resistance genes, create improved tetraploid transcript assemblies, and show genetic exchange between peanut’s component genomes. Based on remarkably high DNA identity and biogeography, we conclude that A. ipaënsis may be a descendant of the very same population that contributed the B-genome to cultivated peanut.
2016-01-01 | GSE71357 | GEO
Project description:Background: Cylindrocladium parasiticum Crous, Wingfield & Alfenas, the causal agent of Cylindrocladium black rot (CBR) of peanut (Arachis hypogaea L.), has leaded to economic losses in China. Learning about how peanut responds to C. parasiticum infection will be conducive to designing strategies for CBR control. However, the response of peanut plant to C. parasiticum is poorly understood. Results: In this study, two contrasting peanut cultivars, T09 (C. parasiticum-resistant) and P562 (C. parasiticum-susceptible) were used for comparative analysis of protein profiles in the root segment of peanut plants in responses to C. parasiticum infection. Proteomic profiling identified 1647 and 391 differentially expressed proteins (DEPs) in A. hypogaea L. P562 and A. hypogaea L. T09, respectively, compared to controls. A total of 350 and 1095 DEPs were identified between A. hypogaea L. P562 and A. hypogaea L. T09 before and after 9 dpi, respectively. Functional categorization by GO annotation showed that C. parasiticum-responsive proteins were mainly involved in catalytic activity and binding. The results of KEGG pathway analysis indicated both resistant and susceptible peanut cultivars can regulate gene expression in the phenylpropanoid pathway, terpenoid backbone biosynthesis, SA, and JA pathways to induce defensive genes and protein expression which enhances plant defence capacity. However, the MAPK signal pathway was more pronounced in resistant peanut cultivar T09. We also observed an increase of CYP73A100 involved in phenylpropanoid biosynthesis and flavonoid biosynthesis pathways in the susceptible peanut ecotype P562, while decrease in the resistant peanut ecotype T09, after 9 dpi. Additionally, there was a marked activation of brassinosteroid biosynthesis in the resistant T09, which indicated a possible involvement of activation of plant immune response in the resistant responses of peanut to C. parasiticum. Conclusions: This study provides some insights into the molecular networks involved on cellular and physiological responses to C. parasiticum infestation.
2022-10-14 | PXD024578 | Pride
Project description:Intercropping is a vital technology in resource-limited agricultural systems with low inputs. Peanut/maize intercropping enhances iron (Fe) nutrition in calcareous soil. Proteomic studies of the differences in peanut leaves, maize leaves and maize roots between intercropping and monocropping systems indicated that peanut/maize intercropping not only improves Fe availability in the rhizosphere but also influences the levels of proteins related to carbon and nitrogen metabolism. Moreover, intercropping may enhance stress resistance in the peanut plant (Xiong et al. 2013b). Although the mechanism and molecular ecological significance of peanut/maize intercropping have been investigated, little is known about the genes and/or gene products in peanut and maize roots that mediate the benefits of intercropping. In the present study, we investigated the transcriptomes of maize roots grown in intercropping and monocropping systems by microarray analysis. The results enabled exploration differentially expressed genes in intercropped maize. Peanut (Arachis hypogaea L. cv. Luhua14) and maize (Zea mays L. cv. Nongda108) seeds were grown in calcareous sandy soil in a greenhouse. The soil was enhanced with basal fertilizers [composition (mg·kg−1 soil): N, 100 (Ca (NO3)2·4H2O); P, 150 (KH2PO4); K, 100 (KCl); Mg, 50 (MgSO4·7H2O); Cu, 5 (CuSO4·5H2O); and Zn, 5 (ZnSO4·7H2O)]. The experiment consisted of three cropping treatments: peanut monocropping, maize monocropping and intercropping of peanut and maize. After germination of peanut for 10 days, maize was sown. Maize samples were harvested after 63 days of growth of peanut plants based on the degree of Fe chlorosis in the leaves of monocropped peanut. The leaves of monocropped peanut plants exhibited symptoms of Fe-deficiency chlorosis at 63 days, while the leaves of peanut plants intercropped with maize maintained a green color.
2017-01-24 | GSE93771 | GEO
Project description:The Goal of this study is to develop NGS derived Arachis hypogaea root-nodule symbiotic Transcriptome Profile (RNAseq).
2018-08-29 | GSE98997 | GEO
Project description:The cultivated peanut, A. hypogaea L., is a critical oil and food crop worldwide. Decoding the genetic makeup behind natural variation in kernel oil and fatty acid concentrations is crucial for molecular breeding-based nutrient quantity and quality manipulation. Herein, we recognized 87 quantitative trait loci (QTLs) in 45 genomic regions for the concentrations of oil, oleic acid, and linoleic acid, as well as the oleic acid to linoleic acid (O/L) ratio via a genome-wide association study (GWAS) involving 499 peanut accessions. Eight QTLs clarified over 15% of the phenotypic variation in peanut accessions. Among the 45 potential genes significantly related to the 4 traits, only three genes displayed annotation to the fatty acid pathway. Furthermore, on the basis of pleiotropism or linkage data belonging to the identified singular QTLs, we generated a trait-locus axis to better elucidate the genetic background behind the observed oil and fatty acid concentration association. Together, our results provide strong evidence for the genetic mechanism behind oil biosynthesis in A. hypogaea L., facilitating future advances in multiple fatty acid component generation via pyramiding of desirable QTLs This natural population consisting of 499 peanut accessions combined with high-density SNPs will provide a better choice for identifying peanut QTLs/genes in the future. Together, our results provide strong evidence for the genetic mechanism behind oil biosynthesis in peanut, facilitating future advances in multiple fatty acid component generation via pyramiding of desirable QTLs.
2025-05-05 | GSE289195 | GEO