The genus Closterium, a new model organism to study sexual reproduction in streptophytes

Closterium occupies a key phylogenetic position as an ancestor of land plants and is the bestcharacterized Charophycean alga in terms of the process of sexual reproduction. Zygospores form as a result of sexual reproduction between genetically determined mating type plus (mt+) and mating type minus...

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Bibliographic Details
Published in:The New phytologist 2019-01, Vol.221 (1), p.99-104
Main Authors: Tsuchikane, Yuki, Sekimoto, Hiroyuki
Format: Article
Language:English
Subjects:
Cell signaling
Cells
charophycean
Closterium
Closterium - physiology
Communication
Genes, Plant
land plants
Life Cycle Stages
Mating
mating‐type
Phylogeny
Reproduction
Reproduction (biology)
Reproduction - physiology
Reproductive behaviour
Sexual reproduction
Strains (organisms)
Tansley insight
Zygospores
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Summary:Closterium occupies a key phylogenetic position as an ancestor of land plants and is the bestcharacterized Charophycean alga in terms of the process of sexual reproduction. Zygospores form as a result of sexual reproduction between genetically determined mating type plus (mt+) and mating type minus (mt−) cells in heterothallic strains, or between clonal cells in homothallic strains. Here we review knowledge on the intercellular communication and mating type determination for successful sexual reproduction in Closterium. Using genomic information and transgenic techniques, the genus could be a model organism to study the mechanisms and evolution of sexual reproduction in streptophytes.
ISSN:0028-646X
1469-8137
DOI:10.1111/nph.15334