915 resultados para Diversity in the workplace--South Carolina


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Published also under title: Memorials of a southern planter.

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Mode of access: Internet.

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"October 1993."

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Bibliographical footnotes.

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Mode of access: Internet.

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"September 1993."

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Sequence diversity in the coat protein coding region of Australian strains of Johnsongrass mosaic virus (JGMV) was investigated. Field isolates were sampled during a seven year period from Johnsongrass, sorghum and corn across the northern grain growing region. The 23 isolates were found to have greater than 94% nucleotide and amino acid sequence identity. The Australian isolates and two strains from the U.S.A. had about 90% nucleotide sequence identity and were between 19 and 30% different in the N-terminus of the coat protein. Two amino acid residues were found in the core region of the coat protein in isolates obtained from sorghum having the Krish gene for JGMV resistance that differed from those found in isolates from other hosts which did not have this single dominant resistance gene. These amino acid changes may have been responsible for overcoming the resistance conferred by the Krish gene for JGMV resistance in sorghum. The identification of these variable regions was essential for the development of durable pathogen-derived resistance to JGMV in sorghum.

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The plant cyclotides are a fascinating family of circular proteins that contain a cyclic cystine knot motif (CCK). This unique family was discovered only recently but contains over 50 known sequences to date. Various biological activities are associated with these peptides including antimicrobial and insecticidal activity. The knotted topology and cyclic nature of the cyclotides; poses interesting questions about the folding mechanisms and how the knotted arrangement of disulfide bonds is formed. Some studies have been performed on related inhibitor cystine knot (ICK) containing peptides, but little is known about the folding mechanisms of CCK molecules. We have examined the oxidative refolding and reductive unfolding of the prototypic member of the cyclotide family, kalata B1. Analysis of the rates of formation of the intermediates along the reductive unfolding pathway highlights the stability conferred by the cystine knot motif. Significant differences are observed between the folding of kalata B1 and an acyclic cystine knot protein, EETI-II, suggesting that the circular backbone has a significant influence in directing the folding pathway.

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A social rules perspective was employed to identify the elements of socially appropriate responses to unfair criticism in the workplace. Women generally endorsed for themselves response strategies based on stronger obligation and softer rights components, while men endorsed responses based on stronger personal rights expression and weaker obligation components. In support of the utility of a social rules approach to operationalizing context-specific expectations, behavioral responses based on gender and status-specific rules were evaluated as more effective on task, relationship, and self-respect dimensions than were rights-only, rights-plus-empathy, or submissive strategies. Results are discussed in terms of the development of a context-specific model of interpersonal competence and implications for interpersonal skills and assertion training.