PROBLEM TO BE SOLVED: To provide a method for producing a poly-gamma-glutamic acid that makes it possible to reduce load on the production process of a poly-gamma-glutamic acid and to produce a high molecular weight of poly-gamma-glutamic acid.SOLUTION: The present invention provides a method for producing a poly-gamma-glutamic acid by culturing Bacillus subtilis identified by accession number NITE BP-02276, accession number NITE BP-02277, accession number NITE BP-02278, accession number NITE BP-02279, accession number NITE BP-02280, or accession number NITE BP-02281.SELECTED DRAWING: None【課題】ポリ－ガンマ－グルタミン酸の生産プロセスに対する負荷を軽減し、且つ、高分子量のポリ－ガンマ－グルタミン酸の生産が可能な、ポリ－ガンマ－グルタミン酸の生産方法を提供する。【解決手段】受託番号ＮＩＴＥ ＢＰ－０２２７６、受託番号ＮＩＴＥ ＢＰ－０２２７７、受託番号ＮＩＴＥ ＢＰ－０２２７８、受託番号ＮＩＴＥ ＢＰ－０２２７９、受託番号ＮＩＴＥ ＢＰ－０２２８０、又は受託番号ＮＩＴＥ ＢＰ－０２２８１で特定される枯草菌（Bacillussubtilis）を培養してポリ－ガンマ－グルタミン酸を生産する方法。【選択図】なし
