Comparison of actinomycete flora between tropical and temperate upland farm soils

Araragi, Michio

doi:10.1080/00380768.1979.10433165

Cited by 6 publications

(2 citation statements)

References 7 publications

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“…Different bioactive compounds are often found in similar microorganisms from different geographical areas (Okami, 1986) . Varying enzyme activities were found in actinomycetes isolated from different geographical regions (Araragi, 1979) . This strain-specific but not species-specific (Okami, 1986) production of bioactive agents identical at one location is one explanation for the geographic variation of the amathamides .…”

Section: Determination Of Total Bromine By Czementioning

confidence: 99%

Localisation of the amathamide alkaloids in surface bacteria of Amathia wilsoni Kirkpatrick, 1888 (Bryozoa: Ctenostomata)

1995

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The marine bryozoan Amathia wilsoni contains several brominated secondary metabolites, the alkaloid amathamides A-F. Energy dispersive X-ray analysis coupled with scanning electron microscopy was used to localise bromine in sections of Amathia wilsoni. Bromine concentrations higher than background levels were only found on the surface of the bryozoan and not within any of the different internal cell types . The correlation between bromine levels and a rod-shaped bacterium, ubiquitous to the tip region, points to the bacterium being closely associated with the range of amathamides found in Amathia wilsoni .

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Section: Determination Of Total Bromine By Czementioning

confidence: 99%

Localisation of the amathamide alkaloids in surface bacteria of Amathia wilsoni Kirkpatrick, 1888 (Bryozoa: Ctenostomata)

1995

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“…The population size, and genus composition of actinomycetes have been reported to depend upon the soil type, particularly upon some of the soil physical characteristics (1,2). The organic matter content may be one of the most important factors which influence the level of the actinomycete population in soil.…”

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confidence: 99%