Literature summary for 3.2.1.26 extracted from

Kang, B.H.; Xiong, Y.; Williams, D.S.; Pozueta-Romero, D.; Chourey, P.S.
Miniature1-encoded cell wall invertase is essential for assembly and function of wall-in-growth in the maize endosperm transfer cell (2009), Plant Physiol., 151, 1366-1376.

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Localization

Localization	Comment	Organism	GeneOntology No.	Textmining
cell wall	wall in growth, about four times more immunostaining in the larger walls in growth than in stunted walls in growth	Zea mays	5618	-
endoplasmic reticulum	-	Zea mays	5783	-
Golgi apparatus	trans-Golgi network	Zea mays	5794	-

Organism

Organism	UniProt	Comment	Textmining
Zea mays	-	-	-

Source Tissue

Source Tissue	Comment	Organism	Textmining
seed	cell wall invertase INCW2 localizes exclusively to the basal endosperm transfer cells of developing seeds	Zea mays	-

Synonyms

Synonyms	Comment	Organism
INCW2	-	Zea mays

General Information

General Information	Comment	Organism
physiological function	loss-of-function mutation in cell wall invertase INCW2 gene Mn1 results in the miniature1 seed phenotype. In wild-type seed, walls in growth develop uniformly in the basal endosperm transfer cell layer during 7 to 17 d after pollination, and the secretory/endocytic organelles proliferate in the basal endosperm transfer cells. Mitochondria accumulate in the vicinity of walls in growth. In the mutant basal endosperm transfer cells, walls in growth are stunted and their endoplasmic reticulum is swollen, Golgi density in the mutant basal endosperm transfer cells is 51% of the wild-type Golgi density. However, the polarized distribution of mitochondria is not affected	Zea mays

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Release 2023.1 (January 2023)