Agglutinins from marine macroalgae of the southeastern United States |
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| Authors: | K T Bird T C Chiles R E Longley A F Kendrick M D Kinkema |
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| Institution: | (1) Center for Marine Science Research, University of North Carolina, Wilmington, NC 28403, USA;(2) Department of Biology, Boston College, Chestnut Hill, MA 02167, USA;(3) Harbor Branch Oceanographic Institution, 5600 Old Dixie Hwy, Ft. Pierce, FL 33450, USA |
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| Abstract: | Protein extracts from 22 species of marine macroalgae from Florida and North Carolina were compared for their abilities to
agglutinate sheep and rabbit erythrocytes. Protein extracts from 21 algal species agglutinated rabbit erythrocytes compared
to 19 for sheep erythrocytes. However, agglutination by brown algal extracts was variable. The agglutination produced by protein
extracts from Dictyota dichotoma could be blocked by addition of polyvinylpyrrolidone. Protein extracts from North Carolina macroalgae were also tested against
five bacterial species. Three of these agglutinated bacterial cells. Ulva curvata and Bryopsis plumosa agglutinated all five species. Protein extracts from five species of Florida algae were tested for their effects on mitogenesis
in mouse splenocytes and human lymphocytes. Gracilaria tikvahiae HBOI Strain G-5, Ulva rigida and Gracilaria verrucosa HBOI Strain G-16S stimulated mitogenesis in mouse splenocytes, while Gracilaria tikvahiae HBOI Strain G-16stimulated mitogenesis in human lymphocytes. |
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| Keywords: | agglutinin algae lectin lymphocytes mitogenic agent splenocytes |
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