Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 25 for “"Developmental cycle"”.
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Migrant labour remittances : the developmental cycle and rural differentiation in a Lesotho community
… to a large extent, with phases in the domestic developmental cycle. The strategies of homestead building, a clear indicator of domestic development, are described in order to point to the correspondence between differentiation and the developmental cycle. The more general process of regional …
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THE ROLE OF THE PARTNER SWITCHING MECHANISM IN REGULATION OF THE CHLAMYDIAL DEVELOPMENTAL CYCLE
… blindness, and pneumonia in humans. The unique developmental cycle of Chlamydia spp. requires these bacteria to possess a mechanism(s) to control differentiation between two forms: the elementary body (EB) and the reticulate body (RB). Although the transition between these two phases is …
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Characterization of the Sigma Factor Proteins and the Dna Binding Protein Euo of Chlamydia
… intracellular pathogens with a unique, biphasic developmental cycle in which an infectious, extracellular form termed the elementary body (EB) interconverts with a metabolically active intracellular reticulate body (RB) within host cells. Subsets of genes are differentially expressed during the …
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Discovery and Validation of New Regulatory RNA Elements in Chlamydia trachomatis
… bacterium that exhibits a unique biphasic developmental cycle that can be disrupted by growth in the presence of IFN-g and b-lactams, giving rise to an abnormal growth state termed persistence. Relatively little is known about the regulatory mechanisms that control temporal gene expression …
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Nectin-1 is Degraded in <em>Chlamydia trachomatis</em>-Infected Genital Epithelial Cells and is Required for Herpes Simplex Virus Co-Infection-Induced <em>C. trachomatis</em> Persistence.
… in the US. This bacterium has a unique biphasic developmental cycle in which the infectious elementary body (EB) infects a host mucosal epithelial cell and differentiates into the replicative form (the reticulate body or RB) within a modified vacuole called an inclusion. The RB later divides and …
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Appearance Based Stage Recognition of Drosophila Embryos
… at which certain specific events occur in the developmental cycle. Stage information of a host embryo, as well as spatial information of a gene expression region is indispensable input for the discovery of the pattern of gene-gene interaction. Manual labeling of stages is becoming a bottleneck …
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RNA-SEQ driven analysis of seasonal gene expression variation in miscanthus �� giganteus
… potential mediators of M. × giganteus’ seasonal developmental cycle and changes in the utilization, storage, and long-distance mobilization and remobilization of the essential nutrient nitrogen have been studied. These RNA-Seq datasets have been verified with RT-qPCR and compared to amino acid …
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ATP, trehalose, glucose, and ammonium ion levels in the two cell types of Dictyostelium discoideum
… related to energy metabolism through the developmental cycle of Dictyostelium discoideum. Each compound (ATP, trehalose, glucose, and ammonium ion) was found to be present in stalk and/or spore cells. The accumulation of NH₄⁺ was interpreted as an indication of protein degradation, a …
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Analysis of cis-acting elements of the rnrB gene of Dictyostelium discoideum
… times during the Dictyostelium discoideum developmental cycle; first at the onset of development (vegetative activity) and then again during late development at the slug stage (developmental activity). The $\beta$-galactosidase gene was used as a reporter gene and was fused to the noncoding …
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Proteomic Analysis Delineates the Signaling Networks of Plasmodium falciparum
… from the paradigm of the eukaryotic cell cycle by undergoing multiple rounds of DNA replication and nuclear division without cytokinesis. A better understanding of the molecular switches that coordinate the progression of the parasite through the intraerythrocytic developmental stages will …
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Investigating the Roles of the Stk Locus in Development, Motility and Exopolysaccharide Production in Myxococcus Xanthus
… xanthus, a Gram-negative bacterium with a developmental cycle, displays a type IV pili (TFP) mediated surface motility known as social (S) gliding. Beside the polarly localized TFP, the fibril or extracellular polysaccharide (EPS) is also required for S-motility to function. It is proposed …
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Identification of Chlamydial Iron-Responsive Proteins during Intracellular Growth.
… In response to iron restriction, the chlamydial developmental cycle arrests at the intracellular reticulate body stage, resulting in a phenomenon termed persistence. Persistence likely plays a role in chlamydial pathogenesis through the expression of virulence factors and antigens in addition to …
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Meidob kinship, marriage and residence
… their association with different stages of the developmental cycle, one gains an insight into the ways in which the conflicting ties of matri- and patri- kin come into effect. One of the crucial factors to the functioning of this system would appear to be that of polygyny and its associated …
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APPROACHES TO IDENTIFY SURFACE PROTEINS OF ANAPLASMA PHAGOCYTOPHILUM DENSE-CORED ORGANISMS AS ADHESINS TO HUMAN P-SELECTIN GLYCOPROTEIN LIGAND-1
… A. phagocytophilum undergoes a biphasic developmental cycle, transitioning between a smaller electron dense-cored cell (DC), which has a dense nucleoid, and a larger, pleomorphic electron lucent reticulate cell (RC), which has a dispersed nucleoid. We determined that the respective roles …
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A study of the regulation of glycogen metabolism in Dictyostelium discoideum
… in Dictyostelium discoideum during its developmental cycle. Specifically, the possible cAMP dependent regulation of glycogen phosphorylase and glycogen synthase was examined. In other systems, cAMP can regulate at the level of the gene (procaryotes, CAP protein) or at the level of …
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Antigen Trafficking within <em>Chlamydia trachomatis</em>-Infected Polarized Human Endometrial Epithelial Cells.
… natural release of chlamydiae at the end of the developmental cycle. While some of these extra-inclusion antigens traffic to the host cell surface, others remain intracellular where they are proposed to influence vital host cell functions and antigen trafficking and presentation. The research …
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Elucidating the chlamydial growth characteristics, infection factors, and host responses to persistent chlamydial infection in women
… that the unique intracellular niche and developmental cycle of 𝘊. 𝘵𝘳𝘢𝘤𝘩𝘰𝘮𝘢𝘵𝘪𝘴 are important microbial factors which could affect treatment efficacy. To test this, several host and chlamydial factors were investigated. 16S rRNA gene amplicon sequencing of vaginal and cervical swabs and …
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Characterisation of Plasmodium parasite sexual commitment and development
… it is the blood stages, or the intraerythrocytic developmental cycle (IDC), that cause the large majority of harmful symptoms. During the course of the IDC, a parasite grows in size within a red blood cell until it is able to multiply itself asexually many times and burst from the cell as …
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Using Single-Cell Analyses to Uncover Transcriptional Heterogeneity in Plasmodium falciparum
… Plasmodium, which follows a complex life cycle that consists of multiple stages spanning from the human host to the mosquito vector. Among the Plasmodium parasites causing human malaria, the deadliest species is Plasmodium falciparum. Most P. falciparum parasites follow an asexual cycle in …
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Changing aspects of economic and family structures in Kalārdasht, a district in Northern Iran, up to 1978
… taking place in both the marriage system and the developmental cycle of the household. The new economic independence of young men. facilitated by the availability of non-agricultural employment, not only allows them a greater voice in the selection of their brides, but it also modifies traditional …
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