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Life / Eukarya / Plantae / Rhodophyta / Porphyridiophyceae / Porphyridiales / Porphyridiaceae
Porphyridium (NIES-1032-1035, 1957-1960, 2138-2140)
  • Yoon, H. S. et al. (2006) Defining the major lineages of red algae (Rhodophyta). J. Phycol. 42: 482-492.                     

Unicellular red algae living in sea, estuary and on mud. A member living in foraminifer as symbiont is also known.

Coccoid cells lack distinct cell wall, but a large quantity of mucilage cover the cell. The cell possesses a single stellate chloroplast to many discoid chloroplasts. Main photosynthetic pigment (phycibilin) is different berween species, thus they show blue-greenish to reddish color (Figs 1, 2). Golgi body is associated with ER and mitochondrion. Asexual reproduction by binary fission. Sexal reproduction is unknown.

1: Porphyridium (NIES-1034). 2: Porphyridium (NIES-1035).