Increased transcriptional levels of genes encoding antioxidant enzymes play important protective roles in coping with excessive accumulation of reactive oxygen species (ROS) in plants exposed to various abiotic stresses. To fully elucidate different evolutions and functions of ROS-scavenging enzymatic genes, we isolated iron superoxide dismutase (FeSOD), dehydroascorbate reductase (DHAR) and mo...

Machine transplantation results in serious transplant shock in seedlings and results in a longer recover stage, which negatively impacts the growth of low-position tillers and the yield of machine-transplanted rice. A barrel experiment was conducted to examine the effect of the foliar application of triacontanol (TRIA) on machine-transplanted rice during the recovery stage. TRIA (0, 1, 5, and 1...

have attracted considerable attention recently for their antioxidative and antimutagenic activities (Chart 1). Lignans are generally accessible only through multistep syntheses and/or direct isolation from the living plant. Lyoniresinol (1) was isolated via extraction of the Lyonia ovalifolia var. elliptica plant. Compound 1 was also obtained by enzymatic hydrolysis of lyoniresinol glucoside wi...

In present study, we evaluated the effects of Jasmonic acid (JA) on physio-biochemical attributes, antioxidant enzyme activity, and gene expression in soybean (Glycine max L.) plants subjected to nickel (Ni) stress. Ni stress decreases the shoot and root length and chlorophyll content by 37.23, 38.31, and 39.21%, respectively, over the control. However, application of JA was found to improve th...

Class III peroxidases (CIII Prxs) play critical roles in plant immunity by scavenging reactive oxygen species (ROS). However, the functions of CIII Prxs rice (Oryza sativa L.) are largely unexplored. Here, we report a Prx precursor, OsPrx30, that is responsive to bacterial blight Xanthomonas oryzae pv. (Xoo). OsPrx30 was primarily expressed roots, leaves, and stems, its protein product mainly l...

In this study, it was aimed to determine the variation of biochemical characteristics argan [Argania spinosa (L.) Skeels] in natural distribution areas Morocco. For aim, used 13 populations, which are representative taxon on different sub-ecoregion Morocco, some compositions characters such as malondialdehyde (MDA), hydrogen peroxide (H2O2), proline, protein, flavonoid, phenol, glucose, sucrose...

Selenium (Se) contamination due to industrial activities has received increasing concerns. Phytoremediation has been suggested to be an efficient and feasible way to remove Se from Se-contaminated environment. Recently, an arsenic (As) hyperaccumulator Pteris vittata L. (Chinese Brake fern) was found to be a Se accumulator. This study was carried out to investigate Se accumulation mechanisms co...

Dehydroepiandrosterone (DHEA) is widely used as a nutritional supplement due to its putative anti-aging properties. However, the effect of DHEA in Leydig cells, a major target cell of DHEA biotransformation in male, are not clear. The present study aimed to investigate the preventative effect of DHEA on oxidative damage and apoptosis after H2O2 treatment in Leydig cells. The results showed that...

BACKGROUND The genome of Pleurotus ostreatus, an important edible mushroom and a model ligninolytic organism of interest in lignocellulose biorefineries due to its ability to delignify agricultural wastes, was sequenced with the purpose of identifying and characterizing the enzymes responsible for lignin degradation. RESULTS Heterologous expression of the class II peroxidase genes, followed b...