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Phylogeny and distribution of protein kinase C variants in the zebrafish


Haug, Marion F; Gesemann, Matthias; Berger, Manuela; Neuhauss, Stephan C F (2018). Phylogeny and distribution of protein kinase C variants in the zebrafish. Journal of Comparative Neurology, 526(7):1097-1109.

Abstract

Conventional protein kinases-consisting of α, β, and γ family members-play key roles in numerous signal transduction events. Phylogenetic analysis demonstrated the existence of five prkcs (the genes representing PKCs) in zebrafish, two paralogous forms of prkca and prkcb and one prkcg variant. mRNA expression analysis showed distinct, mainly nervous system specific expression, for all five prkc genes. For prkca and prkcb paralogs prominent expression can be seen in the telencephalon, in diencephalic regions such as the habenula or the optic tectum, in hypothalamic areas and in distinct cerebellar structures. Each transcript is additionally expressed in distinct areas: prkcaa is highly abundant in cranial sensory ganglia and in dorsal neurons of the hindbrain and the spinal cord, prkcab is strongly expressed in additional cerebellar regions, prkcba shows expression in the pectoral fin, the otic vesicle and in the proximal convoluted tubule of the kidney, and prkcbb shows prominent expression in different hypothalamic areas. Expression of prkcg is most striking in the cerebellum. As zebrafish PKCs are expressed in structures that are equivalent to mammals, the zebrafish model is well suited to study evolutionary conserved functions of PKCs in development and disease.

Abstract

Conventional protein kinases-consisting of α, β, and γ family members-play key roles in numerous signal transduction events. Phylogenetic analysis demonstrated the existence of five prkcs (the genes representing PKCs) in zebrafish, two paralogous forms of prkca and prkcb and one prkcg variant. mRNA expression analysis showed distinct, mainly nervous system specific expression, for all five prkc genes. For prkca and prkcb paralogs prominent expression can be seen in the telencephalon, in diencephalic regions such as the habenula or the optic tectum, in hypothalamic areas and in distinct cerebellar structures. Each transcript is additionally expressed in distinct areas: prkcaa is highly abundant in cranial sensory ganglia and in dorsal neurons of the hindbrain and the spinal cord, prkcab is strongly expressed in additional cerebellar regions, prkcba shows expression in the pectoral fin, the otic vesicle and in the proximal convoluted tubule of the kidney, and prkcbb shows prominent expression in different hypothalamic areas. Expression of prkcg is most striking in the cerebellum. As zebrafish PKCs are expressed in structures that are equivalent to mammals, the zebrafish model is well suited to study evolutionary conserved functions of PKCs in development and disease.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Institute of Molecular Life Sciences
Dewey Decimal Classification:570 Life sciences; biology
Uncontrolled Keywords:General Neuroscience
Language:English
Date:1 May 2018
Deposited On:29 Mar 2018 08:56
Last Modified:19 Aug 2018 15:21
Publisher:Wiley-Blackwell Publishing, Inc.
ISSN:0021-9967
OA Status:Closed
Publisher DOI:https://doi.org/10.1002/cne.24395
PubMed ID:29341136
Project Information:
  • : FunderSNSF
  • : Grant ID31003A_135598
  • : Project TitleGenetic Analysis of Vertebrate Vision
  • : FunderSNSF
  • : Grant ID31003A_153289
  • : Project TitleGenetic Analysis of Vertebrate Vision

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Language: English
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Embargo till: 2019-02-01