Gene References Into Functions
The separation of pollen tetrads involves pectin methylesterase activity. For example, the role of QUARTET1 (QRT1), a pectin methylesterase gene in *Arabidopsis thaliana*, in this process has been reported (PMID: 16980565).
[Link to PubMed]
Tissue Specificity
Expressed in flower buds, siliques, developing guard cells, floral nectares, at the stigmatic surface, in the hypocotyl-root transition zone and the area of lateral root emergence. Not expressed in mature leaves.