AT4G27330

Gene Details

Functional Descriptions

PO:0009009 — plant embryo — embrión (Spanish, exact), 植物胚 (Japanese, exact), germ (related), embryo (broad)
PO:0009031 — sepal — sépalo (Spanish, exact), がく片 (Japanese, exact)
PO:0009046 — flower — flor (Spanish, exact), 花 (Japanese, exact), floret (related), Asteraceae floret (narrow), basal flower (narrow), double flower (narrow), hermaphrodite flower (narrow), monoclinous flower (narrow), perfect flower (narrow)
PO:0025022 — collective leaf structure — estructura colectiva de hoja (Spanish, exact), leaf series (exact), 葉が集まった構造 (Japanese, exact), leaf whorl (narrow), rosette (narrow), cycle (broad), verticil (broad)

CS6586 — Defective in sporocyte formation (resulting in the absence of microspores and megaspores) and anther wall formation; hypodermal cells of anthers at stage 2 enlarge and differentiate into archesporial cells normally; archesporial cells undergo periclinal divisions to form the primary parietal cell (PPC) layer and the primary sporogenous cell (PSC) layer at stage 3 anthers; PSCs do not form microsporocytes, becoming vacuolated at stage 4 anthers; parietal cells are also affected, because the PPCs go through only one division to give rise to two SPC layers that fail to divide further and differentiate; there is no endothecium or tapetum formation; anthers are composed of highly vacuolated parenchyma cells at anthesis; archesporial cells fail to elongate and differentiate into megasporocytes; nucellar development but not integument development is affected. Delayed plant senescence; sterile plants (complete male and female sterility); flowers have normal external morphology and the same number of organs as wild type, anthers are white with no pollen grains at anthesis during stage 13-14; carpels look morphologically normal but are infertile when pollinated with wild-type pollen.
spl — Absence of megaspores and microspores in homozygous mutant plants

Functional Keywords

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