Wirenia argentea
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA547744 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR12182268.fastq.gz | Fastqsanger.gz | |||
| SRR9214509_1.fastq.gz | Fastqsanger.gz | |||
| SRR9214509_2.fastq.gz | Fastqsanger.gz | |||
| SRR9990811.fastq.gz | Fastqsanger.gz |
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Project description:The complete chloroplast genome of Celosia argentea, an important horticultural and medicinal herb, was identified and sequenced in this study. The genome size is 153,474?bp, the GC content is 36.7%. A total of 123 genes were identified, including 84 protein-coding genes, 8 rRNA genes, and 33 tRNA genes. Twenty-nine plastome accessions from Caryophyllales were selected to assess the phylogenetic placement of genus and the result showed that C. argentea is most closely related to Amaranthus hypochondriacus.
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Project description:BACKGROUND:This study was aimed at investigating the possible anti-inflammatory and cytotoxic effects of extracts from the flowering stage of C. argentea. This growth stage was chosen because of its high polyphenolic content and high antioxidant capacity. METHODS:Anti-inflammatory potential of the aqueous, acetone and methanol extracts of C. argentea was evaluated through the inhibition of nitric oxide production (LPS-induced) on stimulated macrophages (RAW 264.7), while MTT assay was used to assess cell viability with Silymarin as standard. Cytotoxicity of the plant extracts was evaluated on murine preadipocyte cell line (3?T3-L1) using the image-based method of two DNA-binding dyes; Hoechst 33342 and propidium iodide (PI) with melphalan as standard. RESULTS:Acetone extract exhibited moderate, dose-dependent anti-inflammatory activity with no significant toxicity to activated macrophages, however the aqueous and methanol extracts were unable to inhibit nitric oxide production at both trials. MTT assay and the toxicity assay revealed that the flowering stage extracts of C. argentea were not toxic to the RAW 264.7 macrophages and 3?T3-L1 cells at all the tested concentrations (0, 2, 50, 100 and 200??g/mL). CONCLUSIONS:These findings corroborate the traditional use of C. argentea for painful inflammatory conditions and encourage its possible use as lead for the development of novel, non-toxic, anti-inflammatory agents.
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Project description:This work aimed to develop microsatellite markers for Cratylia mollis as tools to assess its genetic diversity and structure and to evaluate their potential cross-amplification in related species. • Microsatellite markers were developed using a microsatellite-enriched library and an intersimple sequence repeat library. From a set of 19 markers, 12 microsatellite loci were polymorphic and presented considerable variation in allele number (2-11), expected heterozygosity (0.226-0.883), and polymorphism information content per locus (0.212-0.870). Cross-amplification in C. argentea was successful in 16 loci, 12 of which were polymorphic (2-10 alleles). • The polymorphism of this set of microsatellite markers for C. mollis, as well as their successful cross-amplification in C. intermedia and C. bahiensis and their transferability to C. argentea, supports their use in future comparative studies to understand the mechanism involved in population divergence and speciation in the genus.
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Project description:UNLABELLED: PREMISE OF THE STUDY:Microsatellite primers were developed for Melaleuca argentea (Myrtaceae) to evaluate genetic diversity and population genetic structure of this broadly distributed northern Australian riparian tree species. • METHODS AND RESULTS:454 GS-FLX shotgun sequencing was used to obtain 5860 sequences containing putative microsatellite motifs. Two multiplex PCRs were optimized to genotype 11 polymorphic microsatellite loci. These loci were screened for variation in individuals from two populations in the Pilbara region, northwestern Western Australia. Overall, observed heterozygosities ranged from 0.27 to 0.86 (mean: 0.52) and the number of alleles per locus ranged from two to 13 (average: 4.3). • CONCLUSIONS:These microsatellite loci will be useful in future studies of the evolutionary history and population and spatial genetic structure in M. argentea, and inform the development of seed sourcing strategies for the species.
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Project description:The widespread use of chemical control agents and pesticides for plant-pathogen control has caused many human health and environmental issues. Plant extracts and biocontrol agents have robust antimicrobial activity against different plant pathogens. However, their antiviral activities are still being investigated. In the present study, the methanol extract of Paronychia argentea was characterized and evaluated for its protective activity against the tobacco mosaic virus (TMV) infection in tomato plants under greenhouse conditions at 21 days post-inoculation. The results showed that the foliar application of P. argentea extract (10 µg/mL) enhanced tomato plant growth, resulting in significant increases in shoot and root parameters and total chlorophyll contents. Moreover, a significant reduction in TMV accumulation level in P. argentea-treated plants of 77.88% compared to non-treated plants was reported. Furthermore, induction of systemic resistance with significant elevation in production of antioxidant enzymes (PPO, CAT, and SOD) and transcriptional levels of the pathogenesis-related proteins (PR-1 and PR-7) and polyphenolic genes (CHS and HQT) were also observed. Out of 16 detected compounds, HPLC analysis revealed that the most abundant polyphenolic compounds found in P. argentea extract were gallic acid (5.36 µg/mL), kaempferol (7.39 µg/mL), quercetin (7.44 µg/mL), ellagic acid (7.89 µg/mL), myricetin (8.36 µg/mL), and ferulic acid (8.69 µg/mL). The findings suggest that the use of P. argentea extract as an effective and safe source for the production of bioactive compounds may offer a solution for a promising approach for the management of plant viral infections. To the best of our knowledge, this is the first report of the protective activity of P. argentea extract against plant viral diseases.
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