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Widespread and Persistent Populations of a Major New Marine Actinomycete Taxon in Ocean Sediments
TLDR
This study presents the first evidence for the existence of widespread populations of obligate marine actinomycetes from ocean sediments, and suggests novelty at the genus level.
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Defenses of Caribbean sponges against predatory reef fish. I. Chemical deterrency
TLDR
There was no relationship between sponge color and deterrency, suggesting that sponges are not aposematic and that color variation is the result of other factors, and the invalidity of previous assessments of chemical defense based on toxicity was confirmed.
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Culturable marine actinomycete diversity from tropical Pacific Ocean sediments.
TLDR
The results support the existence of taxonomically diverse populations of phylogenetically distinct actinomycetes residing in the marine environment and can be readily cultured using low nutrient media and represent an unexplored resource for pharmaceutical drug discovery.
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Marine Plant-Herbivore Interactions: The Ecology of Chemical Defense
TLDR
Although numerous seaweed characteristics can deter some herbivores, the effects of morphology and chemistry have been studied most thoroughly and these types of seaweeds may be considered herbivore tolerant.
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Phylogenetic Diversity of Gram-Positive Bacteria Cultured from Marine Sediments
TLDR
A culture-dependent approach was applied to sediments collected in the Republic of Palau from the intertidal zone to depths of 500 m, resulting in the isolation of 1,624 diverse gram-positive bacteria spanning 22 families, including many that appear to represent new taxa.
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Synergisms in Plant Defenses against Herbivores: Interactions of Chemistry, Calcification, and Plant Quality
TLDR
Although calcification of algal tissues has generally been considered a structural defense that hardens seaweed thalli and makes them more resistant to attack, the decreased feeding on CaCO3-containing foods in the authors' assays occurred without any measurable alter- ation of food toughness.
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Salinispora arenicola gen. nov., sp. nov. and Salinispora tropica sp. nov., obligate marine actinomycetes belonging to the family Micromonosporaceae.
TLDR
A taxonomic study was carried out to clarify the taxonomy of representatives of a group of marine actinomycetes previously designated MAR 1 and considered to belong to the family Micromonosporaceae, which contains two species recognized using a range of genotypic and phenotypic criteria.
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Distribution of actinomycetes in near-shore tropical marine sediments
TLDR
The actinoplanetes had a near obligate requirement of seawater for growth, and this is presented as evidence that actinomycetes can be physiologically active in the marine environment.
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Species-Specific Secondary Metabolite Production in Marine Actinomycetes of the Genus Salinispora
TLDR
These results conform to a model of selection-driven pathway fixation occurring subsequent to gene acquisition and provide a rare example in which demonstrable physiological traits have been correlated to the fine-scale phylogenetic architecture of an environmental bacterial community.
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Salinosporamide A: a highly cytotoxic proteasome inhibitor from a novel microbial source, a marine bacterium of the new genus salinospora.
TLDR
The ocean is an overlooked habitat from which to isolate important microorganisms, and the rate of discovery of new biologically active compounds from common soil actino-mycetes has been falling.
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