<Emphasis Type="Italic">Alona alsafadii</Emphasis> n. sp. from Yemen,a primitive,groundwater-dwelling member of the <Emphasis Type="Italic">A. karua</Emphasis>-group |
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| Authors: | Henri J Dumont Anton Brancelj |
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| Institution: | (1) Water Quality Examination Laboratory of Ibaraki Prefectural Water Works, 2972 Ooiwada, Tsuchiura city, 300 Ibaraki, Japan;(2) The National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba city, 310 Ibaraki, Japan;(3) Environmental Engineering Faculty of Engineering, Tohoku University, Aoba, Sendai, 980 Miyagi, Japan;(4) Ibaraki Pharmaceutical Association for Public Health of Hygienic Center, 12-6 Senba, Mito city, 310 Ibaraki, Japan |
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| Abstract: | The effect of algae on the production of musty-smelling compounds by actinomycetes was studied. Streptomyces spp., causing intensive musty odor, were isolated from hypertrophic Lake Kasumigaura and cultured in association with algae from the same lake. Isolate E and I effectively utilized the cyanobacteria, Microcystis aeruginosa and Anabaena spiroides, and the diatom, Synedra acus, as a carbon source and produced a musty-smelling 2-methylisoborneol in the shaken sediment cultures. High populations of algae and actinomycetes, and aerobic condition in the sediment seem responsible for the occurrence of musty odor in Lake Kasumigaura. |
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| Keywords: | algae actinomycetes musty odor compound 2-methylisoborneol sediment |
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