2,573 research outputs found

    The crystal structure of dipotassium tetranitroethide

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    Crystal structure of dipotassium tetranitroethide determined by single crystal X-ray diffraction technique

    Developing a multi-metric habitat index for wadeable streams in Illinois (T-25-P-001), annual segment report to the Illinois Department of Natural Resources.

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    USFWS through IDNR State Wildlife Grant Grant/Contract No: T-25-P-001INHS Technical Report Prepared for USFWS through IDNR State Wildlife Gran

    Developing a multi-metric habitat index for wadeable streams in Illinois (T-25-P-001). Annual Segment Report to the Illinois Department of Natural Resources.

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    Illinois Department of Natural Resources Grant/Contract No: (T-25-P-001)This project was initiated to describe key aquatic habitat characteristics and their association to anthropogenic disturbance by developing a field based, rapid assessment method for qualitatively monitoring instream conditions using a multi-metric habitat index. We have developed and applied a method for rating disturbance in wadeable streams throughout Illinois and collected information on physical habitat at 299 sites to date. Index development is in the preliminary stages with field work to continue during the summer of 2008. This report summarizes work performed for the period ending April 30, 2008 (Appendix A contains Eastern Illinois University subcontract annual report).INHS Technical Report Prepared for Illinois Department of Natural Resource

    Stray Voltage: Is It Really a Problem?

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    In the past decade the issue of stray voltage has evoked growing concern. Since the late 1970\u27s and early 1980\u27s numerous farms with stray voltage have been identified in the upper midwest and east coast regions of the U.S. and Canada. Due to the significance of the problem, many extension bulletins and articles have been published. On farms where stray voltage has been identified; losses of milk production and income have been noted. Stray voltage has been blamed for cow deaths, dead and deformed calves, subnormal reproduction, mastitis, metabolic disorders, low production, warts on teats, bad feet and legs, respiratory disorders, switching tails, a depressed immune system, many types of behavioral problems, quarters not milking out, and many other maladies

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    Disruption of the \u3ci\u3eprotein kinase N\u3c/i\u3e gene of \u3ci\u3eDrosophila melanogaster\u3c/i\u3e Results in the Recessive \u3ci\u3edelorean\u3c/i\u3e Allele (\u3ci\u3epkn\u3csup\u3edln\u3c/sup\u3e\u3c/i\u3e) With a Negative Impact on Wing Morphogenesis

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    We describe the delorean mutation of the Drosophila melanogaster protein kinase N gene (pkndln) with defects in wing morphology. Flies homozygous for the recessive pkndln allele have a composite wing phenotype that exhibits changes in relative position and shape of the wing blade as well as loss of specific vein and bristle structures. The pkndln allele is the result of a P-element insertion in the first intron of the pkn locus, and the delorean wing phenotype is contingent upon the interaction of insertion-bearing alleles in trans. The presence of the insertion results in production of a novel transcript that initiates from within the 3\u27 end of the P-element. The delorean-specific transcript is predicted to produce a wild-type PKN protein. The delorean phenotype is not the result of a reduction in pkn expression, as it could not be recreated using a variety of wing-specific drivers of pkn-RNAi expression. Rather, it is the presence of the delorean-specific transcript that correlates with the mutant phenotype. We consider the delorean wing phenotype to be due to a pairing-dependent, recessive mutation that behaves as a dosage-sensitive, gain of function. Our analysis of genetic interactions with basket and nemo reflects an involvement of pkn and Jun-terminal kinase signaling in common processes during wing differentiation and places PKN as a potential effector of Rho1’s involvement in the Jun-terminal kinase pathway. The delorean phenotype, with its associated defects in wing morphology, provides evidence of a role for PKN in adult morphogenetic processes
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