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Keywords: Follicle cells
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Journal Articles
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Reproductive biology
Journal: Development
Development (2019) 146 (23): dev182774.
Published: 9 December 2019
... termini, but the cause of this phenotype remains unclear. Here, we show that the β-integrin Myospheroid (Mys) is only required during early oogenesis when the pre-follicle cells form the FE. Mutation of mys disrupts both the formation of a monolayered epithelium at egg chamber termini...
Includes: Supplementary data
Journal Articles
Journal: Development
Development (2007) 134 (12): 2261–2271.
Published: 15 June 2007
... family of vertebrate proto-oncogenes, which synergizes with daughters against dpp and brinker to set the posterior and lateral limits of the region, giving rise to dorsal follicle cells. To gain more information on how the two pathways interact in specifying different follicle cell types, we...
Includes: Supplementary data
Journal Articles
Journal: Development
Development (2007) 134 (6): 1161–1169.
Published: 15 March 2007
...Efrat Assa-Kunik; Isabel L. Torres; Eyal D. Schejter; Daniel St Johnston; Ben-Zion Shilo The specification of polar, main-body and stalk follicle cells in the germarium of the Drosophila ovary plays a key role in the formation of the egg chamber and polarisation of its anterior-posterior axis. High...
Journal Articles
Journal: Development
Development (2006) 133 (11): 2115–2123.
Published: 1 June 2006
...- and negative-feedback regulation generates two dorsolateral follicle cell primordia that will produce the eggshell appendages. A dorsal midline domain of low Egfr activity between the appendage primordia defines their dorsal boundary, but little is known about the mechanisms that establish their ventral limit...
Journal Articles
Journal: Development
Development (2004) 131 (23): 5971–5980.
Published: 1 December 2004
...Jennifer C. Adam; Denise J. Montell The Drosophila ovary provides a model system for studying the mechanisms that regulate the differentiation of somatic stem cells into specific cell types. Ovarian somatic stem cells produce follicle cells, which undergo a binary choice during early...
Journal Articles
Journal: Development
Development (2004) 131 (13): 3169–3181.
Published: 1 July 2004
...Halyna R. Shcherbata; Cassandra Althauser; Seth D. Findley; Hannele Ruohola-Baker The Notch signaling pathway controls the follicle cell mitotic-to-endocycle transition in Drosophila oogenesis by stopping the mitotic cycle and promoting the endocycle. To understand how the Notch pathway coordinates...
Journal Articles
Journal: Development
Development (2004) 131 (6): 1389–1400.
Published: 15 March 2004
... © 2004. 2004 Oogenesis polyhomeotic Polycomb group follicle cells Drosophila Drosophila melanogaster oogenesis provides an outstanding opportunity for studying several fundamental aspects of developmental biology(for reviews, see King, 1970 ; Spradling, 1993 ; Spradling et...
Journal Articles
Journal: Development
Development (2003) 130 (24): 6075–6087.
Published: 15 December 2003
...Tripti Gupta; Trudi Schüpbach Patterning of the Drosophila egg requires cooperation between the germline cells and surrounding somatic follicle cells. In order to identify genes involved in follicle cell patterning, we analyzed enhancer trap lines expressed in specific subsets of follicle cells...
Journal Articles
Journal: Development
Development (2003) 130 (17): 3965–3975.
Published: 1 September 2003
...-associated proteins. This is not the case in Drosophila , however, as null mutations in the single tau family member in the genome have no effect on the microtubule organisation in the follicle cells. Furthermore, PAR-1 activity stabilises microtubules, as microtubules in mutant cells depolymerise much more...
Journal Articles
Journal: Development
Development (2002) 129 (23): 5437–5447.
Published: 1 December 2002
.... The level of dome activity is critical for proper border cell migration and is controlled in part through a negative feedback loop. In addition to its essential role in border cells, we show that dome is required in the germarium for the polarization of follicle cells during encapsulation of germline cells...
Journal Articles
Journal: Development
Development (2002) 129 (3): 705–717.
Published: 1 February 2002
... oogenesis. The gene for a JAK pathway ligand, unpaired , is expressed specifically in the polar follicle cells, two pairs of somatic cells at the anterior and posterior poles of the developing egg chamber. Consistent with unpaired expression, reduced JAK pathway activity results in the fusion of developing...
Journal Articles
Journal: Development
Development (2001) 128 (23): 4737–4746.
Published: 1 December 2001
... to endocycle is regulated is poorly understood. We show that the transition from mitotic cycle to endocycle in the Drosophila follicle cell epithelium is regulated by the Notch pathway. Loss of Notch function in follicle cells or its ligand Delta function in the underlying germline disrupts the normal...
Journal Articles
Journal: Development
Development (2001) 128 (12): 2243–2253.
Published: 15 June 2001
... ( Ruohola et al., 1991 ), and even in Notch mutants appears to be a reliable marker of polar cell fate from stages 3 to 7 (see below). Fas III staining was absent from fng − follicle cells, and importantly was absent from mosaic follicles with gaps in the anterior or posterior follicular epithelium...