sepal epidermis giant cell

Term Information

Accession
PO:0025499
Aspect
plant anatomy
Synonyms
exact: がく片表皮巨大細胞 (Japanese)
broad: giant cell
Definition
An epidermal pavement cell (PO:0000332) that is part of sepal epidermis (PO:0006040) and is approximately one fifth the length of a sepal. [source: PMID:20485493, TAIR:Tanya_Berardini]
Comment
Compare to other epidermal pavement cells that are approximately one hundredth of the length of a sepal (PO:0009031). In Arabidopsis, sepal giant epidermal cells arise by DNA endoreplication (GO:0042023) and have high DNA content (up to 16C).

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External References

closePO_GIT (1)

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