PUBLICATION
DPFF-1 transcription factor deficiency causes the aberrant activation of MPK-1 and meiotic defects in the Caenorhabditis elegans germline
- Authors
- Villanueva-Chimal, E., Salinas, L.S., Fernández-Cardenas, L.P., Huelgas-Morales, G., Cabrera-Wrooman, A., Navarro, R.E.
- ID
- ZDB-PUB-170924-1
- Date
- 2017
- Source
- Genesis (New York, N.Y. : 2000) 55(11): (Journal)
- Registered Authors
- Keywords
- C.elegans, DPF1/neuro-d4, DPF2/requiem/ubi-d4, DPF3/cer-d4, MPK-1, apoptosis, dpff-1, meiosis, stress
- MeSH Terms
-
- Animals
- Apoptosis
- Caenorhabditis elegans/genetics
- Caenorhabditis elegans/growth & development
- Caenorhabditis elegans/metabolism
- Caenorhabditis elegans Proteins/genetics*
- Caenorhabditis elegans Proteins/metabolism
- Gametogenesis
- Germ Cells/metabolism*
- Heat-Shock Response
- Loss of Function Mutation
- Meiosis*
- Mitogen-Activated Protein Kinase 1/metabolism*
- Transcription Factors/genetics*
- Transcription Factors/metabolism
- PubMed
- 28940692 Full text @ Genesis
Citation
Villanueva-Chimal, E., Salinas, L.S., Fernández-Cardenas, L.P., Huelgas-Morales, G., Cabrera-Wrooman, A., Navarro, R.E. (2017) DPFF-1 transcription factor deficiency causes the aberrant activation of MPK-1 and meiotic defects in the Caenorhabditis elegans germline. Genesis (New York, N.Y. : 2000). 55(11).
Abstract
The d4 family of transcription factors consists of three members in mammals. DPF1/neuro-d4 is expressed mainly in neurons and the peripheral nervous system, and is important for brain development. DPF2/requiem/ubi-d4 is expressed ubiquitously and presumably functions as an apoptotic factor, especially during the deprivation of trophic factors. DPF3/cer-d4 is expressed in neurons and in the heart, and is important for heart development and function in zebrafish. In Drosophila, there is only one member, dd4, whose function is still unknown, but it is expressed in many tissues and is particularly abundant in the brain of developing embryos and in adults. Here, we present DPFF-1, the only member of this family of proteins in the nematode C. elegans. DPFF-1 is similar to its mammalian homolog DPF2/requiem/ubi-d4 because it is ubiquitously expressed during embryogenesis and in adult tissues, and because it is important for the induction of germ cell apoptosis during stress. Here, we show that dpff-1 null mutant animals produce less progeny than wild-type nematodes, presumably due to meiotic defects. Gonads of dpff-1 deficient animals showed more germ cells in pachytene and overexpressed the P-MPK-1 signal. Additionally, these animals presented higher levels of p53-induced germ cell apoptosis than wild-type animals. Furthermore, we observed that dpff-1 deficient animals are more sensitive to heat shock. This is the first report showing that the d4 family of transcription factors could be involved in meiosis and stress protection. This article is protected by copyright. All rights reserved.
Genes / Markers
Expression
Phenotype
Mutations / Transgenics
Human Disease / Model
Sequence Targeting Reagents
Fish
Orthology
Engineered Foreign Genes
Mapping