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  • Công bố khoa học và công nghệ Việt Nam

62.13

209 - Công nghệ sinh học công nghiệp

Trần Hữu Phong(2), Bùi Thị Thanh Nga, Phan Duệ Thanh, Đoàn Văn Thược(1)

Nghiên cứu khả năng sinh tổng hợp poly(3-Hydroxybutyrate-CO-3-Hydroxyvalarate) (PHBV) của chủng vi khuẩn MT33 phân lập từ nước thải

Study on poly(3-Hydroxybutyrate-Co-3-Hydroxyvalerate) production by strain MT33, a bacterium isolated from waste water

Khoa học và Công nghệ

2015

4

407-416

0866-708X

Twenty PHA producer bacteria were isolated and screened from waste water collected from Mach Trang village, Dong Anh district, Hanoi city. Among them, the highest PHA producer bacterium - strain MT33 was chosen for further study. Strain MT33 is a gram-positive and rod-shape bacterium, able to produce poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) with 3 percent mol HV unit. The optimum conditions for cell growth and PHBV production by strain MT33 are glucose of 20 g/L, yeast extract of 3 g/L, pH 5,5 - 7, and temperature 30 - 32oC. Maximum CDW and PHBV content of 5,08 g/L and 67 percent were respectively obtained by strain MT33 after 36 h of cultivation at optimal condition.

TTKHCNQG, CVv 5