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Số người truy cập: 109,894,239
Green Biorefinery: Microalgae-Bacteria Microbiome on Tolerance Investigations in Plants
Tác giả hoặc Nhóm tác giả:
DongBui-Xuan, Doris Ying YingTangbKit WayneChewc, Thi Dong PhuongNguyen, HanLe Ho, Thi Ngoc ThuTran, ToanNguyen-Sy, Thi Ha ThuongDinh, Phuc SonNguyen, Thi My HuongDinh, Thanh ThuyNguyeniPau LokeShow
Nơi đăng:
Journal of Biotechnology;
S
ố:
Volume 343;
Từ->đến trang
: 120-127;
Năm:
2022
Lĩnh vực:
Tự nhiên;
Loại:
Bài báo khoa học;
Thể loại:
Quốc tế
TÓM TẮT
Co-culture of microalgae and microorganisms, supported with the resulting synergistic effects, can be used for wastewater treatment, biomass production, agricultural applications and etc. Therefore, this study aimed to explore the role of
Bacillus subtilis
(B. subtilis)
in tolerance against the harsh environment of seafood wastewater, at which these microalgal-bacterial flocs were formed by microalgae cultivation. In this present study,
B. subtilis
isolated from the cultivation medium of
Chlorella vulgaris
and exposed to different salinity (0.1–4% w/v sodium chloride) and various pH range to determine the tolerant ability and biofilm formation. Interestingly, this bacteria strain that isolated from microalgae cultivation medium showed the intense viability in the salt concentration exceeding up to 4% (w/v) NaCl but demonstrated the decrease in cell division as environmental culture undergoing over pH 10. Cell viability was recorded higher than 71% and 92% for
B. subtilis
inoculum in media with salt concentration greater than 20 gL−1 and external pH 6.5–9, respectively. This showed that
B. subtilis
isolated from microalgal-bacteria cocultivation exhibited its tolerant ability to survive in the extremely harsh conditions and thus, mitigating the stresses due to salinity and pH.
ABSTRACT
Co-culture of microalgae and microorganisms, supported with the resulting synergistic effects, can be used for wastewater treatment, biomass production, agricultural applications and etc. Therefore, this study aimed to explore the role of
Bacillus subtilis
(B. subtilis)
in tolerance against the harsh environment of seafood wastewater, at which these microalgal-bacterial flocs were formed by microalgae cultivation. In this present study,
B. subtilis
isolated from the cultivation medium of
Chlorella vulgaris
and exposed to different salinity (0.1–4% w/v sodium chloride) and various pH range to determine the tolerant ability and biofilm formation. Interestingly, this bacteria strain that isolated from microalgae cultivation medium showed the intense viability in the salt concentration exceeding up to 4% (w/v) NaCl but demonstrated the decrease in cell division as environmental culture undergoing over pH 10. Cell viability was recorded higher than 71% and 92% for
B. subtilis
inoculum in media with salt concentration greater than 20 gL−1 and external pH 6.5–9, respectively. This showed that
B. subtilis
isolated from microalgal-bacteria cocultivation exhibited its tolerant ability to survive in the extremely harsh conditions and thus, mitigating the stresses due to salinity and pH.
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