Abstract
The Neuronal Ceroid Lipofuscinoses (NCLs) are the most common group of neurodegenerative disorders of childhood. While mutations in eight different genes have been shown to be responsible for these clinically distinct types of NCL, the NCLs share many clinical and pathological similarities. We have conducted an exhaustive Basic Local Alignment Search Tool (BLAST) analysis of the human protein sequences for each of the eight known NCL proteins- CLN1, CLN2, CLN3, CLN5, CLN6, CLN7, CLN8 and CLN10. The number of homologous species per CLN-protein identified by BLAST searches varies depending on the parameters set for the BLAST search. For example, a lower threshold is able to pull up more homologous sequences whereas a higher threshold decreases this number. Nevertheless, the clade confines are consistent despite this variation in BLAST searching parameters. Further phylogenetic analyses on the appearance of NCL proteins through evolution reveals a different time line for the appearance of the CLN-proteins. Moreover, divergence of each protein shows a different pattern, providing important clues on the evolving role of these proteins. We present and review in-depth bioinformatic analysis of the NCL proteins and classify the CLN-proteins into families based on their structures and evolutionary relationships, respectively. Based on these analyses, we have grouped the CLN-proteins into common clades indicating a common evolving pathway within the evolutionary tree of life. CLN2 is grouped in Eubacteria, CLN1 and CLN10 in Viridiplantae, CLN3 in Fungi/ Metazoa, CLN7 in Bilateria and CLN5, CLN6 and CLN8 in Euteleostomi.
Current Genomics
Title: Analysis of NCL Proteins from an Evolutionary Standpoint
Volume: 9 Issue: 2
Author(s): Neda E. Muzaffar and David A. Pearce
Affiliation:
Abstract: The Neuronal Ceroid Lipofuscinoses (NCLs) are the most common group of neurodegenerative disorders of childhood. While mutations in eight different genes have been shown to be responsible for these clinically distinct types of NCL, the NCLs share many clinical and pathological similarities. We have conducted an exhaustive Basic Local Alignment Search Tool (BLAST) analysis of the human protein sequences for each of the eight known NCL proteins- CLN1, CLN2, CLN3, CLN5, CLN6, CLN7, CLN8 and CLN10. The number of homologous species per CLN-protein identified by BLAST searches varies depending on the parameters set for the BLAST search. For example, a lower threshold is able to pull up more homologous sequences whereas a higher threshold decreases this number. Nevertheless, the clade confines are consistent despite this variation in BLAST searching parameters. Further phylogenetic analyses on the appearance of NCL proteins through evolution reveals a different time line for the appearance of the CLN-proteins. Moreover, divergence of each protein shows a different pattern, providing important clues on the evolving role of these proteins. We present and review in-depth bioinformatic analysis of the NCL proteins and classify the CLN-proteins into families based on their structures and evolutionary relationships, respectively. Based on these analyses, we have grouped the CLN-proteins into common clades indicating a common evolving pathway within the evolutionary tree of life. CLN2 is grouped in Eubacteria, CLN1 and CLN10 in Viridiplantae, CLN3 in Fungi/ Metazoa, CLN7 in Bilateria and CLN5, CLN6 and CLN8 in Euteleostomi.
Export Options
About this article
Cite this article as:
Muzaffar E. Neda and Pearce A. David, Analysis of NCL Proteins from an Evolutionary Standpoint, Current Genomics 2008; 9 (2) . https://dx.doi.org/10.2174/138920208784139573
DOI https://dx.doi.org/10.2174/138920208784139573 |
Print ISSN 1389-2029 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5488 |
Call for Papers in Thematic Issues
Current Genomics in Cardiovascular Research
Cardiovascular diseases are the main cause of death in the world, in recent years we have had important advances in the interaction between cardiovascular disease and genomics. In this Research Topic, we intend for researchers to present their results with a focus on basic, translational and clinical investigations associated with ...read more
Deep learning in Single Cell Analysis
The field of biology is undergoing a revolution in our ability to study individual cells at the molecular level, and to integrate data from multiple sources and modalities. This has been made possible by advances in technologies for single-cell sequencing, multi-omics profiling, spatial transcriptomics, and high-throughput imaging, as well as ...read more
New insights on Pediatric Tumors and Associated Cancer Predisposition Syndromes
Because of the broad spectrum of children cancer susceptibility, the diagnosis of cancer risk syndromes in children is rarely used in direct cancer treatment. The field of pediatric cancer genetics and genomics will only continue to expand as a result of increasing use of genetic testing tools. It's possible that ...read more
Related Journals
- Author Guidelines
- Graphical Abstracts
- Fabricating and Stating False Information
- Research Misconduct
- Post Publication Discussions and Corrections
- Publishing Ethics and Rectitude
- Increase Visibility of Your Article
- Archiving Policies
- Peer Review Workflow
- Order Your Article Before Print
- Promote Your Article
- Manuscript Transfer Facility
- Editorial Policies
- Allegations from Whistleblowers
- Announcements
Related Articles
-
Potential Therapeutic Targets for Neurodegenerative Diseases: Lessons Learned from Calorie Restriction
Current Drug Targets Familial Mutations and Post-translational Modifications of UCH-L1 in Parkinson's Disease and Neurodegenerative Disorders
Current Protein & Peptide Science Was Phenserine a Failure or Were Investigators Mislead by Methods?
Current Alzheimer Research The Development of Cannabinoid CBII Receptor Agonists for the Treatment of Central Neuropathies
Central Nervous System Agents in Medicinal Chemistry Amyotrophic Lateral Sclerosis and Excitotoxicity: From Pathological Mechanism to Therapeutic Target
CNS & Neurological Disorders - Drug Targets The Role of Halogen Bonding in Inhibitor Recognition and Binding by Protein Kinases
Current Topics in Medicinal Chemistry Heparin - a Key Drug in the Treatment of the Circulatory Degenerative Diseases: Controlling its Action with Polymers
Current Pharmaceutical Design Pharmaceutical Applications of the Benzylisoquinoline Alkaloids from Argemone mexicana L.
Current Topics in Medicinal Chemistry Tackling the Elusive Challenges Relevant to Conquering the 100-Plus Year Old Problem of Alzheimer’s Disease
Current Alzheimer Research Innate Immune Surveillance in the Central Nervous System Following Legionella pneumophila Infection
CNS & Neurological Disorders - Drug Targets The Nearest-Neighbor Effect on Random-Coil NMR Chemical Shifts Demonstrated Using a Low-Complexity Amino-Acid Sequence
Protein & Peptide Letters Mitochondria-Targeted Antioxidant Peptides
Current Pharmaceutical Design Diffusion Tensor Imaging to Determine Effects of Antidementive Treatment on Cerebral Structural Connectivity in Alzheimer’s Disease
Current Pharmaceutical Design Neuroinflammation and Alzheimer's Disease: Implications for Microglial Activation
Current Alzheimer Research Polyphenols as Potential Therapeutics for Pain and Inflammation in Spinal Cord Injury
Current Molecular Pharmacology Can Apolipoproteins and Complement Factors be Biomarkers of Alzheimer’s Disease?
Current Alzheimer Research New Challenges in CNS Repair: The Immune and Nervous Connection
Current Immunology Reviews (Discontinued) Are we Genomic Mosaics? Variations of the Genome of Somatic Cells can Contribute to Diversify our Phenotypes
Current Genomics Traumatic Brain Injury as a Risk Factor for Alzheimer’s Disease: Is Inflammatory Signaling a Key Player?
Current Alzheimer Research Patent Selections
Recent Patents on CNS Drug Discovery (Discontinued)