608 Result(s)
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Life Sciences
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Article
Tillage effect on seasonal nitrogen availability in corn supplied with legume green manures
It has been shown that legume green manures have great potential for replacing a substantial amount of the N fertilizer required for corn (Zea mays L.) production. An experiment was conducted in central Pennsylva...
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A functional chimeric membrane subunit of an ion-translocating ATPase
A chimeric transport protein was made by expression of a fusion of thearsB genes fromEscherichia coli plasmid R773 andStaphylococcus aureus plasmid pI258. The two genes were fused to encode a functional protein w...
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Using NCSWAP to simulate seasonal nitrogen dynamics in soil and corn
The objective of this study was to determine if a re-calibrated version of the computer model NCSWAP (version 36) could accurately predict corn growth and soil N dynamics in conventionally tilled (CT) and no-t...
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Ovine anaplasmosis in Northwest China
This paper described studies on the distribution, vector and multiplication of the pathogen of ovine anaplasmosis and a complement fixation test (CFT) for the disease.Anaplasma ovis was found to be widely distrib...
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Attempted transmission ofBabesia major byBoophilus microplus
Two experiments were carried out to determine ifBabesia major could be transmitted byBoophilus microplus. In experiment 1, aBabesia-free batch of laboratory rearedBo. microplus larvae were applied to an intact ca...
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Nitrogen uptake and growth of two citrus rootstock seedlings in a sandy soil receiving different controlled-release fertilizer sources
Understanding the fate of different forms of nitrogen (N) fertilizers applied to soils is an important step in enhancing N use efficiency and minimizing N losses. The growth and N uptake of two citrus rootsto...
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Biophysical meanings of orientation and deformation of RBCs in shear flow field of low viscosity with new Ektacytometry
The rheological behavior of RBCs treated with WGA of different concentrations was measured by the recently developed new Ektacytometry method in suspending medium of low viscosity. The biophysical meanings of ...
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The molecular basis of C4 photosynthesis in sorghum: isolation, characterization and RFLP map** of mesophyll- and bundle-sheath-specific cDNAs obtained by differential screening
C4 photosynthesis depends upon the strict compartmentalization of the CO2-assimilatory enzymes of the C4 and Calvin cycle in two different cell types, mesophyll and bundle-sheath cells. A differential accumulatio...
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Novel dipeptidyl proteasome inhibitors overcome Bcl-2 protective function and selectively accumulate the cyclin-dependent kinase inhibitor p27 and induce apoptosis in transformed, but not normal, human fibroblasts
It has been suggested that overexpression of the Bcl-2 oncoprotein in human cancer cells contributes to their resistance to apoptosis induced by chemotherapy. We report here that a novel dipeptidyl proteasome ...
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The terminal structure plays an important role in the biological activity of cecropin CMIV
Antibacterial peptides have received increasing attention as a new pharmaceutical substance. But the molecular mechanism of lysis is still poorly understood. CMIV gene and mutant CMIV gene in GST fusion system...
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An evaluation of plant-available soil nitrogen in selected sandy soils by electro-ultrafiltration, KCl, and CaCl2 extraction methods
Improving the precision in estimating the nitrogen (N) requirement for citrus trees on sandy soils is important for increasing N efficiency by the trees and minimizing potential losses of N in commercial citr...
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The elastic dynamics analysis of band saw tightening system
In this paper, the node movement analysis of the levers of band saw tightening system is developed. A group of theoretical displacement and distortion equations of levers are presented using the Lagrange’s equ...
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Function and regulation of Aurora/Ipl1p kinase family in cell division
During mitosis, the parent cell distributes its genetic materials equally into two daughter cells through chromosome segregation, a complex movements orchestrated by mitotic kinases and its effector proteins. ...
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Observations on the Nocturnal Activity and Feeding Behavior of Anguilla japonica Glass Eels Under Laboratory Conditions
Glass eels of the temperate anguillid species, Anguilla japonica, clearly showed a nocturnal activity rhythm under laboratory conditions. Light–dark cycle was a determinant factor affecting their photonegative be...
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Dynamic distribution of TTK in HeLa cells: insights from an ultrastructural study
Entry into mitosis is driven by signaling cascades of mitotic kinases. Our recent studies show that TTK, a kinetochore-associated protein kinase, interacts with CENP-E, a mitotic kinesin located to corona fibe...
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Refining the DFNB17 interval in consanguineous Indian families
We previously mapped the DFNB17 locus to a 3-4 cM interval on human chromosome 7q31 in a large consanguineous Indian family with congenital profound sensorineural hearing loss. To further refine this interval,...
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Characterization and gene cloning of a novel β-mannanase from alkaliphilic Bacillus sp. N16-5
An alkaline β-mannanase was purified to homogeneity from a culture broth of alkaliphilic Bacillus sp. N16-5. The enzyme had optimum activity at pH 9.5 and 70°C. It was composed of a single polypeptide chain with ...
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Open AccessPattern similarity study of functional sites in protein sequences: lysozymes and cystatins
Although it is generally agreed that topography is more conserved than sequences, proteins sharing the same fold can have different functions, while there are protein families with low sequence similarity. An ...
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Cloning and Characterization of a Novel Mouse Short-Chain Dehydrogenases/Reductases cDNA, mHsdl2, Encoding a Protein with an SDR Domain and an SCP2 Domain
The short-chain dehydrogenases/reductases (SDRs) play an important role in the body's metabolism. We have cloned a novel mouse SDR cDNA, which encodes a deduced HSD-like protein with a conserved SDR domain and...
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Isolation and Characterization of Ubiquitin-activating Enzyme E1-domain Containing 1, UBE1DC1
Ubiquitin and other ubiquitin-like proteins play important roles in post-translational modification. They are phylogenetically well-conserved in eukaryotes. Activated by other proteins, ubiquitin and ubiquitin...
