The MAP1 family of microtubule-associated proteins
Open accessAbstract
MAP1-family proteins are classical microtubule-associated proteins (MAPs) that bind along the microtubule lattice. The founding members, MAP1A and MAP1B, are predominantly expressed in neurons, where they are thought to be important in the formation and development of axons and dendrites. Mammalian genomes usually contain three family members, MAP1A, MAP1B and a shorter, more recently identified gene called MAP1S. By contrast, only one family member, Futsch, is found in Drosophila. After their initial expression, the MAP1A and MAP1B polypeptides are cleaved into light and heavy chains, which are then assembled into mature complexes together with the separately encoded light chain 3 subunit (LC3). Both MAP1A and MAP1B are well known for their microtubule-stabilizing activity, but MAP1 proteins can also interact with other cellular components, including filamentous actin and signaling proteins. Furthermore, the activity of MAP1A and MAP1B is controlled by upstream signaling mechanisms, including the MAP kinase and glycogen synthase kinase-3 β pathways.
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MAP1A encodes a microtubule-associated protein predominantly expressed in neurons.
“This gene encodes a microtubule-associated protein predominantly expressed in neurons42.”
From Distinct selective forces and Neanderthal introgression shaped genetic diversity at genes involved in neurodevelopmental disorders (2017) · cites this paper as [42]
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- Authors
- Halpain, S., & Dehmelt, L.
- Affiliations
- Scripps Research Institute (US)
- Corresponding author
- Dehmelt, Leif
- Venue
- Genome Biology
- Published
- 2006
- Volume
- 7
- Issue
- 6
- Pages
- 224
- ISSN
- 1465-6906 (ISSN-L)
- PMC
- PMC1779536
- OpenAlex
- W4232078888
- Cited by
- 261
- References
- 59
- Citations by year
- 2026: 3 · 2025: 10 · 2024: 14 · 2023: 13 · 2022: 15 · 2021: 15 · 2020: 11 · 2019: 23 · 2018: 18 · 2017: 14 · 2016: 15 · 2015: 14 · 2014: 15 · 2013: 14 · 2012: 15
- FWCI
- 0.71
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Locations
- Genome biology (publishedVersion)
- PubMed Central (publishedVersion)
- Max Planck Institute for Plasma Physics (submittedVersion)
- MPG.PuRe (Max Planck Society) (submittedVersion)
- Funders
- National Institutes of Health
- National Institute of Mental Health (R01MH050861)
- National Institute of Neurological Disorders and Stroke (R01NS037311)
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Microtubule and mitosis dynamics
- Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
- Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
- Keywords
- microtubule-associated proteins, MAP1A, MAP1B, MAP1S, microtubule stabilization, axon and dendrite development, neuronal cytoskeleton, MAPK signaling, glycogen synthase kinase-3β, actin-microtubule interaction, Drosophila
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