The results showed that it was an efficient technique to clone new genes by searching EST database with homologous gene of model species.

表明根据物种间同源基因序列，对跨物种间EST数据库进行同源检索、筛选、拼接，是克隆基因的有效途径。

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The results show that it is a convenient technique for cloning new gene by searching EST database with homologous gene of model species such as fruit fly.

说明根据物种间同源基因序列，进行跨物种EST数据库的同源检索筛选、拼接，是基因克隆的一条有效途径。

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Rice (Oryza sativa L. ), which has a small genome in cereal plants, has several advantages as a model species for studying molecular biology and developmental biology.

水稻是基因组最小的禾谷类作物，也是植物发育生物学和分子生物学研究较理想的模式植物。

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But this requires the model species actually to be present in an area, so that the learning can take place.

ECONOMIST: Insects and mimicry

Michael Harte, the Falklands' government's economic adviser, hopes that the Illex agreement will become a model for deals on other species that face overfishing because their migrations straddle different human jurisdictions.

ECONOMIST: Conservation in the Falkland Islands

Cheung developed a global model that includes more than 600 species of fishes and invertebrates, to investigate the combined impacts of multiple human stressors on marine fisheries potential catch.

MSN: Oceans' Sad Future: A Sea of Small Fish