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GeneMark A family of gene prediction programs developed at Georgia Institute of Technology, Atlanta, Georgia, USA. |
What's New: Gene identification with updated heuristic models in metagenome. |
Supported by NIH
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| Gene Prediction in Bacteria, Archaea and Metagenomes | |
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For bacterial and archaeal gene prediction we recommend to use a parallel combination of
GeneMark-P* and GeneMark.hmm-P with pre-computed models. A novel genome can be analyzed either by the program with Heuristic models (if the sequence is shorter than 100 kb) or by the self-training program GeneMarkS* (aka GeneMark.hmm-PS). Metagenomic sequences can be analyzed by our new program with updated heuristic models. |
| Gene Prediction in Eukaryotes | |
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For eukaryotic gene prediction you can use the parallel combination of
GeneMark-E* and GeneMark.hmm-E. For a novel genome (the one whose name is not in the list of available models) you can install and run locally GeneMark.hmm-ES, the self-training program (just 10MB sequence is needed for training). |
| Gene Prediction in Viruses, Phages and Plasmids | |
| For novel virus, phage and plasmid gene prediction you can use either the Heuristic approach (if the sequence is shorter than 50 kb) or the self- training program GeneMarkS (aka GeneMark.hmm-PS). Both options will run the parallel combination of GeneMark and GeneMark.hmm. |
| Gene Prediction in EST and cDNA | |
| To analyze ESTs and cDNAs you can use GeneMark-E. |
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| What the programs do: | |
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The GeneMark-P and GeneMark-E programs determine the protein-coding potential of a DNA sequence (within a sliding window) by using species specific parameters of the Markov models of coding and non-coding regions. This approach allows deliniating local variations of coding potential, therefore, the GeneMark graph shows details of the protein-coding potential distribution along a sequence. GeneMark is documented as the most accurate prokaryotic gene finder. GeneMark.hmm-P and GeneMark.hmm-E programs are predicting genes and intergenic regions in a sequence as a whole. They use the Hidden Markov models reflecting the "grammar" of gene organization. The GeneMark.hmm (P and E) programs identify the maximum likely parse of the whole DNA sequence into protein coding genes (with possible introns) and intergenic regions. For more information see Background and References.
* "P" stands for "Prokaryotic" | |
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