. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. SPONGE-CORAL ALLELOCHEMISTRY 231 ten prove to be toxic in bioassay examinations (Bakus and Thun, 1979; Bakus, 1981; Coll et al, 1982a, 1983; Targett el al., 1983: Gerhart, 1984; McCaffrey and En- dean, 1985; Thompson, 1985; Thompson ct al., 1985; LaBarre ct al., 1986a, b). In addition to their role in or- ganism defense, secondary metabolites are also impli- cated in the maintenance living space (Jackson and Buss, 1975; Green, 1977; Jackson, 1977; Sheppard. 1979, 1982;Sammarcortfl/.. 1983). Sponges are remarkable because the
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. SPONGE-CORAL ALLELOCHEMISTRY 231 ten prove to be toxic in bioassay examinations (Bakus and Thun, 1979; Bakus, 1981; Coll et al, 1982a, 1983; Targett el al., 1983: Gerhart, 1984; McCaffrey and En- dean, 1985; Thompson, 1985; Thompson ct al., 1985; LaBarre ct al., 1986a, b). In addition to their role in or- ganism defense, secondary metabolites are also impli- cated in the maintenance living space (Jackson and Buss, 1975; Green, 1977; Jackson, 1977; Sheppard. 1979, 1982;Sammarcortfl/.. 1983). Sponges are remarkable because they lack specialized organs and behaviors, and yet are successful in an envi- ronment where such adaptations are common. How- ever, sponges do contain a variety of bioactive secondary metabolites. More than three dozen compounds with le- thal or growth inhibitory properties are described from tropical sponges in reviews by Russell and Saunders (1967), Sigel ct al. (1969). Martin and Padilla (1973), Baker and Murphy (1976), Hollenbeak et al. (1976), Faulkner (1977). Cimino (1977), Minale (1978), Kaul and Sinderman (1978), and Hashimoto (1979). These re- searchers characterize the compounds chemically and occasionally list effects on organisms of direct interest to man, but rarely include data on the ecological impor- tance of the compound or demonstrate effects on other marine organisms likely to have frequent encounters with the species. Recent work continues to identify un- usual secondary metabolites from sponges (, Fusetani 1981;Tachibanat>/fl/.. 1981;Carmely et 1983; Cimino ct 1983; Gonzalez etal., 1984;Nakatsut'/a/.. 1983, 1984; Manes et 1985; Braekman et al., 1985; Walker etal., 1985; Nakamura etal., 1986; Mayol et al, 1986) and also identifies several ecological contexts in which the metabolites might function (Thompson et al., 1982; Cimino el 1982). Sullivan el al. (1983) demonstrate that the burrowing sponge Siphonodictyon sp. secretes a
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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology
