Publications by authors named "Ellen Cristina Perin"
Article Synopsis
- The essential oil from Piper corcovadense, a plant native to northern Brazil, was chemically analyzed and shown to possess significant antioxidant and antimicrobial properties.
- Key compounds identified included trans-sesquisabinene hydrate and trans-caryophyllene, which contributed to its effectiveness against bacteria and potential antitumor activity.
- The oil reduced cell viability in cutaneous melanoma cells without harming healthy blood cells, indicating its therapeutic potential against cancer while being safe for normal cells.
Article Synopsis
- - Wheat is significantly impacted by drought, which not only reduces grain yield but also influences the accumulation of specialized metabolites that can help manage oxidative stress in both plants and humans.
- - The research evaluated 18 wheat genotypes under drought conditions, finding that most showed reduced yields and photosynthesis while some, like VI_14774, maintained productivity.
- - Four drought-tolerant genotypes (VI_14055, VI_14001, VI_14426, and VI_14666) were identified as having better agronomic, physiological, and biochemical responses, highlighting genetic variation in drought tolerance strategies among wheat plants.
Article Synopsis
- - Calcium-dependent protein kinases (CDPKs) are important for plant growth, development, and stress responses; however, their specific roles in strawberries (Fragaria x ananassa) were not well understood before this study.
- - The researchers identified nine new CDPK genes in strawberries, categorizing them into four groups based on their genetic structure and evolutionary relationships through RNA sequencing analysis.
- - The study found that these CDPK genes show varying expression levels during fruit development and ripening, as well as in response to stresses like salt and drought, highlighting their potential for improving fruit nutrition and plant resilience.
Article Synopsis
- Strawberry crops are sensitive to osmotic stress from mild drought and salt, but their fruit yield remains unaffected by these conditions.
- Experiencing mild drought and salt stress enhances the levels of beneficial compounds like phenolics, anthocyanins, and vitamin C in the strawberries, which boosts their antioxidant activity.
- The study indicates that these improvements in fruit quality are linked to increased production of abscisic acid (ABA) and the activation of related genes, suggesting that ABA plays a key role in this process.
Article Synopsis
- Strawberry production is challenged by abiotic stresses, but understanding the molecular mechanisms of their stress response is crucial for improving their tolerance through genetic engineering.
- The study evaluated seven reference genes for normalizing gene expression in strawberries under different stress conditions, using four software programs to ensure accuracy.
- Results showed that DBP is the best reference gene under drought stress, while HISTH4 is stable under osmotic and salt stress, highlighting the importance of selecting appropriate reference genes to avoid misleading data in research.
Article Synopsis
- The study focuses on finding suitable reference genes for accurate gene expression analysis in lettuce, especially for real-time quantitative polymerase chain reaction (RT-qPCR) tests.
- Seventeen candidate reference genes, including traditional and novel protein-coding genes and microRNAs (miRNAs), were evaluated for their stability under various stress conditions like drought and UV-C irradiation.
- Results showed that novel protein-coding genes and specific miRNAs were more stable under certain stresses, highlighting the importance of selecting appropriate reference genes to avoid inaccurate findings in gene expression studies.
