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Bernhard, J. M., Potential symbionts in bathyal foraminifera, Science, 299: 861, 2003
Why do certain foraminiferan protists living below the photic zone sequester intact chloroplasts? This ?kleptoplast conundrum? has been described for Nonionella stella from a bathyal site (Santa Barbara Basin) but recent epifluorescence microscopic surveys of Beggiatoa-laden sediments cored from the oxygen-depleted, sulfide-enriched bathyal Cariaco Basin (Venezuela) revealed the presence of photosynthetic pigments in yet another benthic foraminifer, Virgulinella fragilis. |
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