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Title: Expression of zebrafish nos2b surrounds oral cavity
Authors: Poon, K.-L.
Richardson, M.
Korzh, V. 
Keywords: Basihyal
Morphogenetic movement
Issue Date: Jun-2008
Citation: Poon, K.-L., Richardson, M., Korzh, V. (2008-06). Expression of zebrafish nos2b surrounds oral cavity. Developmental Dynamics 237 (6) : 1662-1667. ScholarBank@NUS Repository.
Abstract: Inducible nitric oxide synthase (NOS2) catalyzes the production of nitric oxide (NO), and is one of the factors establishing innate immunity. In zebrafish, Nos2 is represented by nos2a and nos2b. Here, we report the cloning and expression pattern of the zebrafish nos2b gene, which does not seem to participate in induced immune response. nos2b was mapped to zebrafish linkage group 15. The spatial and temporal expression pattern of nos2b in embryonic zebrafish was analyzed by whole-mount in situ hybridization. nos2b is expressed constitutively in two primordia located along the ventral midline. The first group of cells contributes to the neurohypophysis. Initially at the level of the ventral hindbrain, the second group of cells migrates closely with the thyroid primordium to its final position at the basihyal by 3 dpf. Thus, the analysis of expression pattern of nos2b reveals complex morphogenetic movements resulting in its expression surrounding the oral cavity. © 2008 Wiley-Liss, Inc.
Source Title: Developmental Dynamics
ISSN: 10588388
DOI: 10.1002/dvdy.21566
Appears in Collections:Staff Publications

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