News Column

Study Findings on Anabaena flos-aquae Are Outlined in Reports from Auburn University

June 24, 2014

By a News Reporter-Staff News Editor at Life Science Weekly -- Investigators discuss new findings in Anabaena flos-aquae. According to news originating from Auburn, Alabama, by NewsRx correspondents, research stated, "Microcystis and Anabaena are the main cyanobacteria that cause cyanobacterial blooms in Taihu Lake, China. The mechanism of population competition between M. aeruginosa and A. flos-aquae was studied by co-cultivation in the laboratory."

Our news journalists obtained a quote from the research from Auburn University, "The growth of M. aeruginosa was inhibited, while the growth of A. flos-aquae was promoted. The degree of inhibition or promotion was related to the ratio of the initial cell densities. Both cell-free filtrates of A. flos-aquae and co-culture inhibited M. aeruginosa growth, while both cell-free filtrates of M. aeruginosa and co-culture promoted A. flos-aquae growth. Analysis of the cell-free filtrate by gas chromatography-mass spectrometry indicated that M. aeruginosa and A. flos-aquae may secrete some extracellular allelochemicals that inhibit (promote) the growth of M. aeruginosa (A. flos-aquae) in co-culture. These compounds included sulfur compounds, naphthalene derivatives, cedrene derivatives, quinones, phenol derivatives, diphenyl derivatives, anthracene derivatives, and phthalate esters."

According to the news editors, the research concluded: "This study can help to understand the characteristics of M. aeruginosa and A. flos-aquae and to provide new concepts for the control of cyanobacterial blooms in Taihu Lake."

For more information on this research see: Interspecific Competition between Microcystis aeruginosa and Anabaena flos-aquae from Taihu Lake, China. Zeitschrift Fur Naturforschung Section C-A Journal of Biosciences, 2014;69(1-2):53-60. Zeitschrift Fur Naturforschung Section C-A Journal of Biosciences can be contacted at: Verlag Z Naturforsch, Postfach 2645, 72016 Tubingen, Germany (see also Anabaena flos-aquae).

The news correspondents report that additional information may be obtained from X.W. Zhang, Auburn University, Dept. of Civil Engn, Environm Engn Program, Auburn, AL 36849, United States. Additional authors for this research include J. Fu, S. Song, P. Zhang, X.H. Yang, L.R. Zhang, Y. Luo, C.H. Liu and H.L. Zhu.

Keywords for this news article include: Asia, China, Auburn, Alabama, United States, Cyanobacteria, Anabaena flos-aquae, Gram-Negative Bacteria, North and Central America

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Source: Life Science Weekly

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