... of neurogenesis and tissue specification during sensory organ formation. These results showed that in addition to the control of gene activation(which resides within the 348 bp region), at least two more enhancers are present within the 1.2 kb fragment, including a clusters formation/expression level...

... the first molecular evidence whereby sensory organs direct the development of the associated non-sensory components, the semicircular canals, in vertebrate inner ears. References Adamska, M., Herbrand, H., Adamski, M., Kruger, M., Braun, T. and Bober, E. (2001). FGFs control the patterning...

...Yohanns Bellaïche; Olivia Beaudoin-Massiani; Isabella Stüttem; François Schweisguth Cell fate diversity is generated in part by the unequal segregation of cell-fate determinants during asymmetric cell division. In the Drosophila bristle lineage, the sensory organ precursor (pI) cell is polarized...

... Drosophila melanogaster (Dm) about 200 million years ago, and examined their expression patterns. We found that an ac-sc homologue of Anopheles , Ag-ASH , is expressed on the dorsal medial notum at the sites where sensory organs emerge in several domains that are identical to those of the pnr homologue, Ag...

... Diptera Calliphora vicina Sensory organ achaete-scute pannier Insects bear sensory organs, such as bristles, over the cuticle of the body. In some dipteran flies the bristles are organised into stereotyped spatial arrays in which each bristle occupies a defined position. A single species...

..., depending on the sensory organ type. Numb, which is asymmetrically localized in the multipotent cell that produces the glial precursor, induces glial cells at the expense of neurons. Thus, a cell- autonomous mechanism inhibits Notch signaling. REFERENCES Akiyama-Oda , Y. , Hosoya , T...

...). Control of daughter cell fates during asymmetric division: interaction of Numb and Notch . Neuron 17 , 27 – 41 . 10.1016/S0896-6273(00)80278-0 Hartenstein , V. (1988). Development of Drosophila larval sensory organs: spatio-temporal pattern of sensory neurones, peripheral axonal...

... Otx1 and Otx2 are normally expressed. These results suggest that both Otx genes play important and differing roles in the morphogenesis of the mouse inner ear and the development of its sensory organs. ‡ Author for correspondence (e-mail: [email protected]) * Present address: Children’s...

...G. Venugopala Reddy; Veronica Rodrigues ABSTRACT Specification of cell fate in the adult sensory organs is known to be dependent on intrinsic and extrinsic signals. We show that the homeodomain transcription factor Prospero (Pros) acts as an intrinsic signal for the specification of cell fates...

...-adhesion molecule Beaten path have additional critical roles in the development of at least one set of sensory organs, the larval visual organs. Taken together, phenotypic analysis, genetic interactions, expression studies and rescue experiments suggest that, in normal development, secretion of Beaten path...

...-mail: [email protected]) 25 8 1998 30 9 1998 © 1998 by Company of Biologists 1998 Drosophila development Imaginal disc decapentaplegic wingless Sensory organ Pattern formation Two types of sensory organs, large bristles (macrochaetes) and small bristles...

...Doris K. Wu; Fabio D. Nunes; Daniel Choo ABSTRACT A mature inner ear is a complex labyrinth containing multiple sensory organs and nonsensory structures in a fixed configuration. Any perturbation in the structure of the labyrinth will undoubtedly lead to functional deficits. Therefore...

...Shuwen Wang; Susan Younger-Shepherd; Lily Y. Jan; Yuh Nung Jan ABSTRACT In Drosophila , an adult external sensory organ (bristle) consists of four distinct cells which arise from a sensory organ precursor cell via two rounds of asymmetric divisions. The sensory organ precursor cell first divides...

... in specific patterns in the lingual epithelium suggesting gustatory and somatosensory functions, respectively (Nosrat et al., 1996). The neurotrophins BDNF and NT3 (see Barde, 1989 ; Johnson and Oppenheim, 1994 ; Barbacid, 1995) play roles in the innervation of sensory organs, such as the inner ear...