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Drosophila

Common Annotation Errors

This PowerPoint presentation describes the common errors observed in student annotations.

Annotation of Other Genomic Features within the F Element Project

This presentation illustrates the unusual genomic features that GEP students have encountered as part of their annotation of Muller F Elements from Drosophila ananassae and D. bipectinata. The Muller F Elements in these two species have undergone substantial expansion compared to D. melanogaster. The presentation describes the basic strategy for identifying pseudogenes, retrogenes, partial gene duplications, pseudogene clusters, and nuclear mitochondrial DNA segments (NUMT) within these F Element annotation projects.

GEP Digital Laboratory Notebook

Developed by Dr. Nick Reeves at Mt. San Jacinto College, Menifee Valley Campus, this PowerPoint presentation provides a brief overview of the Digital Lab Notebook, which provides detailed guidance to students on the GEP annotation strategy.

Annotation Strategy Guide

This document illustrates how the strategies outlined in the Annotation Instruction Sheet can be applied to more challenging annotation cases.

Annotation Instruction Sheet

This document is a more in depth description of the evidence based annotation technique used by the GEP. This document is designed to complement and extend the basic technique described in the Annotation for D. virilis PowerPoint.

Annotation for D. virilis

This is a PowerPoint presentation describing the recommended strategies for annotating a D. virilis fosmid. The homology-based annotation strategy should also be applicable to annotation of D. erecta and D. mojavensis projects.

Annotation of Drosophila

This PowerPoint presentation describes the recommended annotation strategy for Drosophila projects. The presentation provides an overview of the goals of the GEP annotation project, an introduction to NCBI BLAST, web databases, and the issue of reading frames and phase.

Identify D. melanogaster Ortholog

This decision tree illustrates the list of criteria that can be used to determine the putative D. melanogaster ortholog of a predicted gene.