PREIMAGINAL STAGES OF CHROANTHA ORNATULA (HERRICH-SCHAFFER, 1842) (HETEROPTERA: PENTATOMIDAE) IN CENTRAL ASIA

Preimaginal stages of Chroantha ornatula (Herrich-Schaffer, 1842) (Heteroptera: Pentatomidae) in Central Asia

The description of previously unknown immature stages of Chroantha ornatula (Herrich-Schaffer, 1842) is given.Collection and observation were made during 1987-2002 in Turkmenistan.Observations on the eggs and larval development were made in the nature and in the laboratory cages.Distribution of the species is reconsidered and its northern border Ce

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Identification of novel surface-exposed proteins of Rickettsia rickettsii by affinity purification and proteomics.

Rickettsia rickettsii, the causative agent of Rocky Mountain spotted fever, is the most pathogenic member among Rickettsia spp.Surface-exposed proteins (SEPs) of R.rickettsii may play important roles in its pathogenesis or immunity.In this study, R.rickettsii organisms were surface-labeled with sulfo-NHS-SS-biotin and the labeled proteins were affi

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Policy implementation and financial incentives for nurses in South Africa: a case study on the occupation-specific dispensation

Background: In 2007, the South African government introduced the occupation-specific dispensation (OSD), a financial incentive strategy, to attract, motivate, and retain health professionals in the public sector.Implementation commenced with the nursing sector, but there have been unintended negative consequences.Objective: First, to examine implem

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