NDLI: The Role of Cell-Surface Lectins in the Aggregation of Azospirilla

Content Provider	Springer Nature Link
Author	Nikitina, V. E. Pomareva, E. G. Alen'kina, S. A. Konva, S. A.
Copyright Year	2001
Abstract	The mutant strain Azospirillum brasilenseSp7.2.3 with impaired lectin activity exhibited poorer cell aggregation than its parent strain A. brasilenseSp7(S) both in the exponential and stationary growth phases. The pretreatment of bacterial cells with the specific haptens (L-fucose and D-galactose) of a lectin located at the cell surface of the mutant strain was found to inhibit the aggregation of azospirilla. The specific binding of the A. brasilenseSp7(S) lectin to the extracellular polysaccharide-containing complexes of this strain was revealed by dot immunoblotting on nitrocellulose membrane filters. The interaction of the lectins of A. brasilense75, A. brasilenseSp7, and A. lipoferum59b with the polysaccharide-containing complexes that were isolated from these strains was not specific. No interstrain cross-interaction between the exopolysaccharides and lectins of azospirilla was found. A coflocculation of A. brasilenseSp7 cells with Bacillus polymyxa1460 cells was shown. The involvement of autogenous lectins in the aggregation of bacterial cells is discussed.
Starting Page	408
Ending Page	412
Page Count	5
File Format	PDF
ISSN	00262617
Journal	Microbiology
Volume Number	70
Issue Number	4
e-ISSN	16083237
Language	English
Publisher	Kluwer Academic Publishers-Plenum Publishers
Publisher Date	2001-01-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Medical Microbiology Microbiology
Content Type	Text
Resource Type	Article
Subject	Microbiology Applied Microbiology and Biotechnology

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The Role of Cell-Surface Lectins in the Aggregation of Azospirilla

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