Gene finding in novel genomes.

Gene finding in novel genomes.
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DOI:
10.1186/1471-2105-5-59
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发表时间:
2004-05-14
期刊:
影响因子:
3
通讯作者:
Korf I
Korf I
中科院分区:
生物学4区
文献类型:
--
作者:
Korf I

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计算基因预测仍然是一个重要的问题,特别是对于实验数据很少的基因组。我介绍了SNAP基因查找器,它被设计成易于适应各种基因组。在没有合适的基因查找器的新基因组中,我证明使用外源基因查找器可以产生高度不准确的结果,并且最兼容的参数可能不是来自最近的系统发育邻居。我发现外来基因发现器更有效地用于自举参数估计,并且所得参数可以非常准确。由于基因预测对物种特定参数很敏感,每个基因组都需要一个专门的基因发现者。
Computational gene prediction continues to be an important problem, especially for genomes with little experimental data. I introduce the SNAP gene finder which has been designed to be easily adaptable to a variety of genomes. In novel genomes without an appropriate gene finder, I demonstrate that employing a foreign gene finder can produce highly inaccurate results, and that the most compatible parameters may not come from the nearest phylogenetic neighbor. I find that foreign gene finders are more usefully employed to bootstrap parameter estimation and that the resulting parameters can be highly accurate. Since gene prediction is sensitive to species-specific parameters, every genome needs a dedicated gene finder.
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