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Effects of divalent cations on Halobacterium salinarum cell aggregation

Paper ID Volume ID Publish Year Pages File Format Full-Text
22152 43257 2007 5 PDF Available
Title
Effects of divalent cations on Halobacterium salinarum cell aggregation
Abstract

Ca2+ was found to be essential for initiating Halobacterium salinarum CCM 2090 cell aggregation. The floc formed from such aggregation could easily be dissociated without cellular lysis by sodium citrate. Cr2+, Mn2+, Fe3+, Co2+, Ni2+, Cu2+, and Zn2+ could replace Ca2+. However, Mg2+, Sr2+, Mo2+, Cd2+, Sn2+, Hg2+, and Pb2+ induced no flocculation of cells of this halophilic archaeon. Mg2+ acted antagonistically against Ca2+-induced aggregation. Such aggregation might be directly caused by the interaction of Ca2+ and aggregation factors from 55°C-treated cell extract.

Keywords
halophilic Archaea; Halobacterium salinarum; divalent cation; Ca2+-dependent cell aggregation
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Bioscience and Bioengineering - Volume 104, Issue 1, July 2007, Pages 42–46
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
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Price was $35.95
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