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Kumar, Rakesh, Maurya, Ranjana, Saran, Shweta, (2020) ' Investigating the Role of Translationally Control Tumor Protein in Growth, Development and Differentiation of Dictyostelium discoideum. ' Front Cell Dev Biol 8 742
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Abstract:Translationally controlled tumor protein (TCTP) is a multifunctional protein implicated in various types of cellular processes involving growth and development of an organism. Here, we identified tctp gene in Dictyostelium discoideum and unraveled its function. The sequence analysis of D. discoideum TCTP (DdTCTP) showed its conservation among eukaryotes. Transcript of DdTCTP was highly expressed at the initial time points of development and protein is localized both in the cytoplasm and nucleus. Disruption of tctp was achieved by BSR cassette using double homologous recombination method. Abrogation of tctp resulted in reduced cell proliferation but increased cell size. Additionally, development was delayed by 4 h wherein small-sized aggregates and fruiting bodies were produced by tctp- cells while larger aggregates and fruiting bodies were produced by tctpOE cells concordant with the fact that TCTP regulates prestalk/prespore ratio and cell-type differentiation. tctp- cells produced round spores with reduced viability and stalk cells are arranged in septate pattern as compared to polyhedral manner of wild type. Abrogation of tctp resulted in aberrant localization of cell type specific markers and show low proclivity toward prespore/spore region, in presence of wild type cells.
Status: epublish Type: Journal article Source: PUBMED PubMed ID: 32850852

 
Genes addressed in this paper
tpt1
Topics in this paper
Protein Physical Properties X
Mammalian Gene Related X
Protein Functional Domain X
Strains/Constructs X
Non-mammalian Gene Related X
Cellular Location X
Function/Process X
Development/Morphogenesis X
Endocytosis X
RNA Levels and Processing X
Phylogenetic Analysis X
Mutants/Phenotypes X
Growth X
Sporulation/Germination X