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CMTs Reorganization Relation to Cell Morphogenesis of Aerenchyma in Sagittaria Trifolia Petiols and S
The shape of plant cell has long been the cornerstone of diverse areas of plant research but it is only recently that molecular-genetic and cell-biological tools were been effectively combined for dissecting plant cell morphogenesis.Increase....
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Study on the Mechanisms of Somatic Embryogenesis in Arabidopsis
The zygotic embryo-like structure can be induced from plant organs, tissues and cells. The initiation of this structure, called somatic embryo, is different from that of zygotic embryo. Somatic embryogenesis is an important way to generate w....
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Genome-Wide Analysis of Core Cell Cycle Genes and Function Identification of Orysa; DEL1 in Rice
Cell proliferation is an important biological process. Progression of the eukarytotic cell cycle is primarily controlled by a highly conserved molecular machinery in which cyclin-dependent kinases play a central role. The core cell cycle reg....
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Isolation and Functional Identification of a Novel Protein Phosphatase Gene, ZmPP2C2, in Maize Roots
Abiotic stresses such as low temperature, drought and high salt, influence plant growth, productivity and development. To cope with unpredictable environmental changes, plants evolve signal transduction mechanisms by which they receive stres....
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Functional Analysis of Protein Phosphatase 2C Gene(ZmPP2C) in Zea Mays Roots and Its Genetic Transfor
ZmPP2C ( Zea mays protein phosphatase type 2C ) is a protein phosphatase type-2c previously isolated from roots of Zea mays L. ( LD9002 ), which coded a protein including 290 amino acids. Sub-cellular localization of ZmPP2C protein with GFP....
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Isolation and Characterization of Rice Genes Involved in Embryo Development
Angiosperms are considered as a monophyletic group comprising two classes, the monocotyledons and the dicotyledons. Higher plants develop from the single-cell zygote, and distinct embryogenesis differentiations exist between dicotyledons and....
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Identification and Functional Characterization of Rice OsMPEC Gene and Stress-regulated microRNAs in
OsMPEC is a new gene that is isolated from rice. Its homologous genes exist widely throughout evolution of photosynthetic organisms, being present in photosynthetic bacteria, algae and higher plants. The conserved regions included a leucine....
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Ⅰ.Functional Study, Subcellular Localization and Degradation Pathway Research on MxIRT1, an Iron Re
Iron is an essential element with numerous cellular functions,and plays a critical role in important biochemical processes.Although aboundant in the soil,iron is often available in limited amounts because the neutral or basic pH of soil.Thus....
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Studies on Salt Tolerance Mechanisms of Reaumuria Trigyna Maxim Native to Alxa
Salt-tolerant mechanism of plants had been a hot issue in plant research field.Salt-tolerant mechanisms was rather complicated,different plants formed its own unique characteristics of adaptability in their adaptation to salt environment.Rea....
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Studies on Salt Stress-Induced Programmed Cell Death in Rice Root Tip Cells and Related Mitochondrial
Salt stressed rice root tip cells were used to investigate the changes of reactive oxygen species(ROS) and antioxidant enzymes at the early stages of programmed cell death(PCD). The results indicated that 500 mmol/L NaCl could lead to specif....
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Expression and Functional Analysis of the LeZE in Tomato under Chilling Stress
When a plant absorbs more light than it can utilize through the photosynthetic electron transport pathway, the excess energy, which is not promptly quenched, can reduce the photosynthetic efficiency and result in photoinhibition, even photoo....
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Impacts of Solar Radiation on Morphology, Photosynthesis and Growth of the Economic Cyanobacterium Ar
The relationship of morphological characteristics and metabolisms of filamentous Arthrospira (Spirulina) platensis with environmental changes has been the focus of this economically important cyanobacterium. Spiral structure of A. platensis....
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Absorption and Metabolism Expressed Through the Physiological and Biochemical Responses of Spirulina
Spirulina,a blue green alga,is a prokaryote.Chlorella,a single-celled green alga,is a eukaryote.Spirulina(S.maxima and S.platensis) and Chlorella(C.pyrenoidosa and C.vulgaris) are used in this paper to compare their different responses to te....
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Site-Directed Mutagenesis Analyses, Codon Optimization Study of Harpin_x Protein
Harpins are a group of glycine-rich,heat-stable and protease K-sensitive proteins that are able to elicit disease and insect resistance in plants,induce many plant-reaction phenotypes,and promote plant growth in yield and quality.Harpin can....
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Mammary Gland-specific Expression of hLF cDNA Driven by Lactoprotein and Cytomegalovirus (CMV) Chimer
The use of transgenic animals for mammary bioreactors is a rapidly developing and intensely interesting field due to the increased demand for high-quality pharmaceuticals and medically diagnostic preparations.The manufacture of recombinant h....
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Cloning, Chemical Synthesis and Directed Evolution of Marker Genes and Application in Fruit Genetic E
Selectable marker genes can be divided into several categories depending on whether they confer positive or negative selection and whether selection is conditional or non-conditional on the presence of external substrates.Green fluorescent p....
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Molecule Clone and Prokaryotic Expression of Bovine Interferon-tau Gene Mature Protein Coden Region a
Bovine interferon-tau(bIFN-τ) is from trophoblast of early embryo and it interrupted the process of antiluteolytic mechanism in bovine endometria,promoted corpus luteum developing,and finally caused the beginning of gestation.Many studies h....
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Mechanism of Escherichia Coli DNA Mismatch Repair
The mismatch repair (MMR) system is essential to all organisms because it maintains the stability of gene during repeated duplication. Mistakes that escape these fidelity devices are corrected by mismatch repair, further elevating fidelity 5....
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Study on DC-SIGN Protein Expression and Its Biological Activity Measurement
Acquired immunodeficiency syndrome(AIDS),caused by human immunodeficiency virus(HIV),has become the most dangerous epidemic in this century.HIV can be spread by drug abuse,contaminated blood,and sex.It can be also infected by mother.In addit....
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Role of MAP Kinase in the Regulation of Maturation and Pronuclear Formation of Mouse Oocytes Reconstr
Reproductive technologies are effective in overcoming male and female infertility. Ovarian stimulation combined with IVF or ICSI has become standard treatment in cases of ovarian cycle anomalies, tubal pathology, sperm antibodies, oligoasthe....
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Purification and Partial Characterization of Endo-arabinase Secreted from a Strain of Cellulomonose
Objective: To purify and partial characterize the enzyme (named temporarily endo-arabinase) with the properties of endo-arabinase, secreted from a bacterial of Cellulomonose strain. Arabinogalactan (AG) can be hydrolyzed into hexa-arabinosid....
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Isolation and Identification of Antarctic Marine Bacteria N2a with High Catalase Activity, Purificati
Catalase (EC1.11.1.6) is a kind of high-active house-keeping protein among all organisms surviving in oxic environments, which scavenges H2O2 produced by cellular metabolism of O2 to prevent H2O2 from oxidizing lipids, proteins and nucleic a....
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Research on Alginate Lyase from Marine Vibrio Sp. QY103
Alginates are linear polysaccharides in whichβ-D-mannuronic acid (M) andα-L-guluronic acid (G) are (1,4)-linked to form blocks of consecutive G residues (polyG), consecutive M residues (polyM), and alternating M and G residues (polyMG). Al....
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Study on Production, Purification, Cloning and Expression of the Phytase from the Marine Yeast Kodama
Statistical experimental designs were applied for the optimization of phytase production by a marine yeast Kodamaea ohmeri BG3 in a cost-effective oats medium. Using Plackett–Burman design, oats, ammonium sulfate and initial pH were identi....
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Establishment of the Marine Yeast Culture Collection and Study on the Diversity of Special Marine Yea
Total 551 marine yeast strains from different marine environments were obtained. The results of routine identification and molecular methods show that they belonged to 22 genera, 58 species. The Marine Yeast Culture Collection, which was the....
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Characterization of κ-carrageenase from Pseudoalteromonas sp.AJ5-913 and Analysis for Its Hydrolyzed
This paper aims at screening aκ-carrageenase-producing bacterium with high enzyme activity, optimizing its culture conditions and medium components, mutagenizing the bacterium to obtain the mutant with higher activity, purifying theκ-carra....
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Pkn44 and pkn30, Two Genes of the hstK Family Are Involved in Synthesis of Heterocyst-Specific Glycol
Anabaena sp.strain PCC 7120 is a filamentous cyanobacterium capable of differentiating heterocysts,which account for 5 to 10%of the cells along each filament, upon limitation of a combined nitrogen source in the growth medium.Heterocysts pro....
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The Evaluation on Plant Resources of Xinjiang
The territory of Xinjiang is broad, the special natural condition brings up abundant and special plant resources, and these plant resources have important function to development construction and improvement ecosystem environment of Xinjiang....
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Study on the Gully Vegetation of Junger Loess Hill-Gully Region
Junger loess hill-gully region is situated in the transition zone of Loess Plateau and Ordos Plateau.Its climate belongs to typical semiarid continental one and its zonal vegetation is Stipa bungeana steppe.Here,the interlaced gullies and hi....
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Computer Simulation and Mathematic Model of Growth Dynamics of Plants in the Typical Steppe of Inner
The study on population is developing from static to dynamic, qualitative to quantitative and modeled, and integrated with other scientific branches. The plant growth dynamic model can describe the plant growth, development yield formation a....