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Evidence for gradie...
Evidence for gradients of gene expression correlating with zonal topography of the olfactory sensory map
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- Norlin, Marianne (author)
- Umeå universitet,Institutionen för molekylärbiologi (Medicinska fakulteten),Umeå University
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- Alenius, Mattias (author)
- Umeå universitet,Institutionen för molekylärbiologi (Teknisk-naturvetenskaplig fakultet),Umeå University
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- Gussing, Fredrik (author)
- Umeå universitet,Institutionen för molekylärbiologi (Medicinska fakulteten),Umeå University
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- Hägglund, Maria (author)
- Umeå universitet,Institutionen för molekylärbiologi (Teknisk-naturvetenskaplig fakultet),Institutionen för molekylärbiologi (Medicinska fakulteten),Umeå University
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- Vedin, Viktoria (author)
- Umeå universitet,Institutionen för molekylärbiologi (Teknisk-naturvetenskaplig fakultet),Institutionen för molekylärbiologi (Medicinska fakulteten),Umeå University
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- Bohm, Staffan (author)
- Umeå universitet,Institutionen för molekylärbiologi (Medicinska fakulteten),Umeå University
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(creator_code:org_t)
- Academic Press, 2001
- 2001
- English.
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In: Molecular and Cellular Neuroscience. - : Academic Press. - 1044-7431 .- 1095-9327. ; 18:3, s. 283-295
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Signals regulating diversification of olfactory sensory neurons to express odorant receptors and other genes necessary for correct assembly of the olfactory sensory map persist in the olfactory epithelium of adult mouse. We have screened for genes with an expression pattern correlating with the topography odorant receptor-expression zones. The Msx1 homeobox gene and a semaphorin receptor (Neuropilin-2) showed graded expression patterns in the olfactory epithelium. The gradients of Msx1 and Neuropilin-2 expression in basal cells and neurons, respectively, correlated with expression of a retinoic acid-synthesizing enzyme (RALDH2) in lamina propria. A BMP-type I receptor (Alk6) showed a reverse gradient of expression in the supporting cells of the epithelium. Considering known functions of identified genes in cell specification and axon guidance this suggests that zonal division of the olfactory sensory map is maintained, during continuous neurogenesis, as a consequence of topographic counter gradients of positional information.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Cell- och molekylärbiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Cell and Molecular Biology (hsv//eng)
Keyword
- MEDICINE
- MEDICIN
Publication and Content Type
- ref (subject category)
- art (subject category)
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