单词	phototroph
释义	phototroph /ˈfəʊtə(ʊ)trəʊf / noun Biology An organism that uses energy from sunlight to synthesize organic compounds for nutrition.Hints for this comes from a recent publication showing that 15 genes that are limited to the plastid genome in all other eukaryotic phototrophs are nucleus encoded in a peridinin-containing dinoflagellate.... Symbiosis with unicellular phototrophs has existed in anthozoans at least since the Triassic (225 million years ago) and likely constitutes a source of selective pressures that have deeply modified the host's physiology. Consequently, numerous marine phototrophs, including macro- and microalgae, have developed carbon-concentrating mechanisms.
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