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Excess copper induced physiological and proteomic changes in germinating rice seeds.
Down-regulation of key metabolic enzymes like alpha-amylase or enolase revealed that the inhibition of seed germinations after exposure to excess copper not only affects starvation in water uptake by seeds but also results in failure in the reserve mobilization processes. Expand
A proteomic approach in analyzing heat‐responsive proteins in rice leaves
The results of the present study show that a group of low molecular small heat shock proteins (sHSPs) were newly induced by heat stress, and a low molecular weight mitochondrial (Mt) sHSP was validated further by Western blot analysis. Expand
Physiological and protein profiles alternation of germinating rice seedlings exposed to acute cadmium toxicity.
Investigating the protein profile alternations during the germination stage following exposure to cadmium, a proteomic approach has been adopted in combination with morphological and physiological parameters to provide new insight that can lead to a better understanding of the molecular basis of heavy metal responses of seeds at the Germination stage. Expand
Hybrid PGS–PCL microfibrous scaffolds with improved mechanical and biological properties
- S. Sant, C. Hwang, S. Lee, A. Khademhosseini
- Materials Science, Medicine
- Journal of tissue engineering and regenerative…
- 1 April 2011
It is demonstrated that simple blends of PGS prepolymer with PCL can be used to fabricate microfibrous scaffolds with mechanical properties in the range of a human aortic valve leaflet without the need for thermal curing or photocrosslinking. Expand
A polymerase chain reaction based method for detecting Mycoplasma/Acholeplasma contaminants in cell culture.
A detection system that utilizes a primer mixture in a nested polymerase chain reaction for detecting Mycoplasma contaminants in cell cultures is described and species identification could be achieved by size determination and restriction enzyme digestion. Expand
Effects of the controlled-released TGF-beta 1 from chitosan microspheres on chondrocytes cultured in a collagen/chitosan/glycosaminoglycan scaffold.
Results suggest that TGF-beta 1 microspheres when incorporated into a scaffold have the potential to enhance cartilage formation. Expand
Enrichment of specific electro-active microorganisms and enhancement of methane production by adding granular activated carbon in anaerobic reactors.
GAC supplementation created an environment for enriching the microorganisms involved in DIET, which increased the methane production rate, and Pyrosequencing of 16S rRNA gene demonstrated the enrichment of exoelectrogens and hydrogenotrophic methanogens from the biomass attached to GAC. Expand
Simultaneous overexpression of both CuZn superoxide dismutase and ascorbate peroxidase in transgenic tall fescue plants confers increased tolerance to a wide range of abiotic stresses.
- S. Lee, N. Ahsan, +6 authors Byung-Hyun Lee
- Biology, Medicine
- Journal of plant physiology
- 3 December 2007
It is concluded that one of the mechanisms of increased anti-oxidative defense in transgenic tall fescue plants is overexpression of the CuZnSOD and APX genes, which are utilized in scavenging ROS and thus provide improved tolerance to abiotic stresses. Expand
Monitoring bacterial community structure and variability in time scale in full-scale anaerobic digesters.
- S. Lee, H. Kang, +4 authors Hee-Deung Park
- Biology, Medicine
- Journal of environmental monitoring : JEM
- 27 June 2012
The correlation of bacterial community structure and time-scale variability with digester performance and operating conditions was revealed, demonstrating a patchiness of the digesters in the distribution of bacterial populations. Expand
Glyphosate-induced oxidative stress in rice leaves revealed by proteomic approach.
- N. Ahsan, Dong-Gi Lee, +4 authors Byung-Hyun Lee
- Chemistry, Medicine
- Plant physiology and biochemistry : PPB
- 1 December 2008
An increased accumulation of antioxidant enzymes including ascorbate peroxidase, glutathione S-transferase, thioredoxin h-type, nucleoside diphosphate kinase 1, peroxiredoxin and a superoxide dismutlast precursor in the glyphosate-treated sample suggests that a glyphosate treatment possibly generates oxidative stress in plants. Expand