NDLI: Screening yeast cells for absorption of selenium oxyanions

Content Provider	Springer Nature Link
Author	Soudi, Mohammad Reza Malekzadeh, Fereydoon rouzi, Parviz
Copyright Year	2003
Abstract	Certain yeast cells on solid nutrient medium produced colonies surrounded by a light zone of selenite absorption. This screening procedure resulted in the selection of 22 strains out of 200 isolates with different Se$^{4+}$-absorbing capacity ranging from 16 to 98.8 μg Se$^{4+}$ g$^{−1}$ l$^{−1}$ h$^{−1}$. The highest rate of Se$^{4+}$ elimination from the Na$_{2}$SeO$_{3}$ solution was observed with an oval shaped, cream pigmented fermentative yeast, tentatively called Candida sp. strain MS4. This strain was isolated from wastewater and found to accumulate selenium oxyanions. Se$^{4+}$ uptake involved both inactive and active phenomena. The amounts of selenium (initial concentration 2 mg Se$^{4+}$ l$^{−1}$) removed from aqueous solution by inactive and active phenomena were 667 μg Se$^{4+}$ g$^{−1}$ l$^{−1}$, and 1580 μg Se$^{4+}$ g$^{−1}$ l$^{−1}$, respectively. The strain also removed selenate inactively (135 μg Se$^{6+}$ g$^{−1}$ l$^{−1}$).
Starting Page	181
Ending Page	184
Page Count	4
File Format	PDF
ISSN	09593993
Journal	World Journal of Microbiology and Biotechnology
Volume Number	19
Issue Number	2
e-ISSN	15730972
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2003-01-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Chemistry/Food Science Biochemistry Microbiology Animal Anatomy Morphology Histology Environmental Biotechnology
Content Type	Text
Resource Type	Article
Subject	Physiology Medicine Applied Microbiology and Biotechnology Biotechnology

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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