How to find/build the closest specie sequence database 如何在序列資料庫中找到最接近的目標物種

Take "Vibrio parahaemolyticus" for exmaple.
以腸炎弧菌(Vibrio parahaemolyticus)為例，

We cannot find this specie on common sequence database, ex: NCBInr.

一般在序列資料庫(如NCBInr)沒有細分到這一層，

If we cannot reduce possible sequence database pool, we'll get too much results too difficult to analysis.

如果不分類就搜尋的話，可能導致花費大量的時間在搜尋過程或結果的過濾上。