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''Symbiochloris reticulata'' is a species of
green alga The green algae (: green alga) are a group of chlorophyll-containing autotrophic eukaryotes consisting of the phylum Prasinodermophyta and its unnamed sister group that contains the Chlorophyta and Charophyta/ Streptophyta. The land plants ( ...
in the
Trebouxiales The Trebouxiales are an order (biology), order of green algae in the Class (biology), class Trebouxiophyceae. References

Trebouxiales, Chlorophyta orders {{green algae-stub ...
. It is a known as a photobiont (
photosynthetic Photosynthesis ( ) is a Biological system, system of biological processes by which Photoautotrophism, photosynthetic organisms, such as most plants, algae, and cyanobacteria, convert light energy, typically from sunlight, into the chemical ener ...
symbiont Symbiosis (Ancient Greek : living with, companionship < : together; and ''bíōsis'': living) is any type of a close and long-term biological interaction, between two organisms of different species. The two organisms, termed symbionts, can fo ...
) with several lichen species, like ''
Lobaria pulmonaria ''Lobaria pulmonaria'' is a large epiphytic lichen consisting of an ascomycete fungus and a green algal partner living together in a symbiotic relationship with a cyanobacterium—a symbiosis involving members of three kingdoms of organisms. Com ...
'', but also as a free-living soil alga as well.
Phylogenetic In biology, phylogenetics () is the study of the evolutionary history of life using observable characteristics of organisms (or genes), which is known as phylogenetic inference. It infers the relationship among organisms based on empirical dat ...
analysis of
rRNA Ribosomal ribonucleic acid (rRNA) is a type of non-coding RNA which is the primary component of ribosomes, essential to all cells. rRNA is a ribozyme which carries out protein synthesis in ribosomes. Ribosomal RNA is transcribed from ribosomal ...
sequence data revealed that the species shares a
sister A sister is a woman or a girl who shares parents or a parent with another individual; a female sibling. The male counterpart is a brother. Although the term typically refers to a familial relationship, it is sometimes used endearingly to ref ...
group relationship with two other green algae that lack motile stages, '' Chlorella saccharophila'' and '' C. luteoviridis''. ''Symbiochloris reticulata'' consists of single, spherical or slightly ellipsoidal cells 4-13(-15) μm in diameter. The cells have a parietal
chloroplast A chloroplast () is a type of membrane-bound organelle, organelle known as a plastid that conducts photosynthesis mostly in plant cell, plant and algae, algal cells. Chloroplasts have a high concentration of chlorophyll pigments which captur ...
which is net-like in structure. Asexual reproduction occurs by the formation of four or eight (sometimes 16)
autospore Autospores are a type of spores that are produced by algae to enable asexual reproduction and spread. They are non-motile and non-Flagellated cell, flagellated Aplanospore, aplanospores that are generated within a parent cell and have the same sha ...
s, which are released by the rupture of the parent
cell wall A cell wall is a structural layer that surrounds some Cell type, cell types, found immediately outside the cell membrane. It can be tough, flexible, and sometimes rigid. Primarily, it provides the cell with structural support, shape, protection, ...
.


References

Plants described in 1984 Trebouxiales Taxa named by Elisabeth Tschermak-Woess Lichen photobiont Chlorophyta species {{Green algae-stub