Transcriptional regulator. Activates E box-dependent transcription in collaboration with TCF3/E47, but the activity is completely antagonized by the negative regulator of neurogenesis HES1. Plays a role in the differentiation of subsets of neural cells by activating E box-dependent transcription (By similarity).
Interacting selectively and non-covalently with DNA of a specific nucleotide composition, e.g. GC-rich DNA binding, or with a specific sequence motif or type of DNA e.g. promotor binding or rDNA binding.
Interacting selectively and non-covalently with a specific DNA sequence in order to modulate transcription. The transcription factor may or may not also interact selectively with a protein or macromolecular complex.
atonal is a Drosophila proneural gene that belongs to the family of basic helix-loop-helix (bHLH)- containing proteins. It is expressed in the chordotonal organs and photoreceptor cells, and flies that lack Atonal protein are ataxic and blind. Here we report the cloning of atonal homologs from red flour beetle, puffer fish, chicken, mouse, and human. The bHLH domain is conserved throughout evolution, while the entire coding region is highly similar in mammals. Both the chicken and the mouse homologs are expressed early in embryogenesis in the hind brain, and specifically in cells predicted to give rise to the external granular layer of the cerebellum. In addition, these genes are expressed throughout the dorsal part of the spinal cord, in patterns different from those found for other genes, like LH-2 and wnt-1. The mouse homolog (Math1) maps to mouse chromosome 6, and the human homolog (HATH1) to human chromosome 4q22. Two neurological mouse mutants, Lc and chp, were found to map to the vicinity of Math1, but are not caused by mutations in Math1. The evolutionary conservation of this gene and its mRNA expression patterns during embryogenesis suggests that it plays a key role in the development of the vertebrate central nervous system.
A programmed cell death process which begins when a cell receives an internal (e.g. DNA damage) or external signal (e.g. an extracellular death ligand), and proceeds through a series of biochemical events (signaling pathways) which typically lead to rounding-up of the cell, retraction of pseudopodes, reduction of cellular volume (pyknosis), chromatin condensation, nuclear fragmentation (karyorrhexis), plasma membrane blebbing and fragmentation of the cell into apoptotic bodies. The process ends when the cell has died. The process is divided into a signaling pathway phase, and an execution phase, which is triggered by the former.
The process in which a cell becomes capable of differentiating autonomously into an auditory hair cell regardless of its environment; upon determination, the cell fate cannot be reversed.
The process in which a cell becomes capable of differentiating autonomously into an auditory hair cell in an environment that is neutral with respect to the developmental pathway; upon specification, the cell fate can be reversed.
The chemotaxis process that directs the migration of an axon growth cone to a specific target site in response to a combination of attractive and repulsive cues.
The process whose specific outcome is the progression of the central nervous system over time, from its formation to the mature structure. The central nervous system is the core nervous system that serves an integrating and coordinating function. In vertebrates it consists of the brain, spinal cord and spinal nerves. In those invertebrates with a central nervous system it typically consists of a brain, cerebral ganglia and a nerve cord.
atonal is a Drosophila proneural gene that belongs to the family of basic helix-loop-helix (bHLH)- containing proteins. It is expressed in the chordotonal organs and photoreceptor cells, and flies that lack Atonal protein are ataxic and blind. Here we report the cloning of atonal homologs from red flour beetle, puffer fish, chicken, mouse, and human. The bHLH domain is conserved throughout evolution, while the entire coding region is highly similar in mammals. Both the chicken and the mouse homologs are expressed early in embryogenesis in the hind brain, and specifically in cells predicted to give rise to the external granular layer of the cerebellum. In addition, these genes are expressed throughout the dorsal part of the spinal cord, in patterns different from those found for other genes, like LH-2 and wnt-1. The mouse homolog (Math1) maps to mouse chromosome 6, and the human homolog (HATH1) to human chromosome 4q22. Two neurological mouse mutants, Lc and chp, were found to map to the vicinity of Math1, but are not caused by mutations in Math1. The evolutionary conservation of this gene and its mRNA expression patterns during embryogenesis suggests that it plays a key role in the development of the vertebrate central nervous system.
The progression of the cerebral cortex over time from its initial formation until its mature state. The cerebral cortex is the outer layered region of the telencephalon.
The process in which the anatomical structures of the inner ear are generated and organized. The inner ear is the structure in vertebrates that contains the organs of balance and hearing. It consists of soft hollow sensory structures (the membranous labyrinth) containing fluid (endolymph) surrounded by fluid (perilymph) and encased in a bony cavity (the bony labyrinth). It consists of two chambers, the sacculus and utriculus, from which arise the cochlea and semicircular canals respectively.
The synthesis of RNA from a DNA template by RNA polymerase II, originating at an RNA polymerase II promoter. Includes transcription of messenger RNA (mRNA) and certain small nuclear RNAs (snRNAs).
atonal is a Drosophila proneural gene that belongs to the family of basic helix-loop-helix (bHLH)- containing proteins. It is expressed in the chordotonal organs and photoreceptor cells, and flies that lack Atonal protein are ataxic and blind. Here we report the cloning of atonal homologs from red flour beetle, puffer fish, chicken, mouse, and human. The bHLH domain is conserved throughout evolution, while the entire coding region is highly similar in mammals. Both the chicken and the mouse homologs are expressed early in embryogenesis in the hind brain, and specifically in cells predicted to give rise to the external granular layer of the cerebellum. In addition, these genes are expressed throughout the dorsal part of the spinal cord, in patterns different from those found for other genes, like LH-2 and wnt-1. The mouse homolog (Math1) maps to mouse chromosome 6, and the human homolog (HATH1) to human chromosome 4q22. Two neurological mouse mutants, Lc and chp, were found to map to the vicinity of Math1, but are not caused by mutations in Math1. The evolutionary conservation of this gene and its mRNA expression patterns during embryogenesis suggests that it plays a key role in the development of the vertebrate central nervous system.
Protein involved in differentiation, the developmental process of a multicellular organism by which cells become specialized for particular functions. Differentiation requires selective expression of the genome; the fully differentiated state may be preceded by a stage in which the cell is already programmed for differentiation but is not yet expressing the characteristic phenotype determination. Also used for fungal conidiation proteins, and for some bacteria that present specialization of function in cell types, such as Caulobacter crescentus.
Protein involved in the transfer of genetic information from DNA to messenger RNA (mRNA) by DNA-directed RNA polymerase. In the case of some RNA viruses, protein involved in the transfer of genetic information from RNA to messenger RNA (mRNA) by RNA-directed RNA polymerase.
Protein involved in development, the process whereby a multicellular organism develops from its early immature forms, e.g., zygote, larva, embryo, into an adult.
A reference proteome is a set of protein sequences derived from a complete proteome which constitutes a defined standard for a particular user community. Reference proteomes are manually defined according to a number of criteria. They cover the proteomes of well- studied model organisms and other proteomes of interest for biomedical and biotechnological research. Reference proteomes have been selected to provide broad coverage of the tree of life, and constitute a representative cross-section of the taxonomic diversity to be found within UniProtKB.
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