megagametophyte development stage

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megagametophyte development stage ; PO:0007621

A gametophyte development stage (PO:0028003) during which the megagametophyte (PO:0025279) develops.

Qualifier Name / Symbol Information Evidence Reference Assigned by Associated to
Dmc1
Disrupted meiotic cDNA 1
gene from Oryza sativa PMID:16689935 Gramene
(via Gramene Genes)
FIS2
AT2G35670
protein from Arabidopsis thaliana PMID:16924116 TAIR GO
MEA
AT1G02580
protein from Arabidopsis thaliana PMID:16924116 TAIR GO
SWN
AT4G02020
protein from Arabidopsis thaliana PMID:16924116 TAIR GO

A megaspore mother cell enlarges stage ; PO:0007623

The stage of megagametophyte development when the megaspore mother cell enlarges.

Qualifier Name / Symbol Information Evidence Reference Assigned by Associated to
MSP1
MULTIPLE SPOROCYTE 1
gene from Oryza sativa GR ref:10120 Gramene
(via Gramene Genes)
PAIR1
HOMOLOGOUS PAIRING ABERRATION IN RICE MEIOSIS 1
gene from Oryza sativa PMID:15031413 Gramene
(via Gramene Genes)

B meiosis of megaspore mother cell stage ; PO:0007624

The stage of megagametophyte development when the megaspore mother cell undergoes meiosis.

Qualifier Name / Symbol Information Evidence Reference Assigned by Associated to
KRP6
AT3G19150
protein from Arabidopsis thaliana PMID:18552199 TAIR GO
MEL1
MEIOSIS ARRESTED AT LEPTOTENE 1
gene from Oryza sativa PMID:17675402 POC:Laurel Cooper
(via Gramene Genes)
PMID:17675402
MSP1
MULTIPLE SPOROCYTE 1
gene from Oryza sativa PMID:12897248 POC:Laurel Cooper
(via Gramene Genes)
PAIR1
HOMOLOGOUS PAIRING ABERRATION IN RICE MEIOSIS 1
gene from Oryza sativa PMID:15031413 POC:Laurel Cooper
(via Gramene Genes)
PMID:15031413
UDT1
undeveloped Tapetum1
gene from Oryza sativa PMID:16141453 POC:Laurel Cooper
(via Gramene Genes)

C tetrad of megaspores stage ; PO:0007625

The product of meiosis of the megaspore mother cell.

Qualifier Name / Symbol Information Evidence Reference Assigned by Associated to
KRP6
AT3G19150
protein from Arabidopsis thaliana PMID:18552199 TAIR GO
LeGRP92
Tomato glycine rich protein 92
gene from Solanum lycopersicum PMID:20033228 SGN
(via SGN Genes)
GO
PAIR1
HOMOLOGOUS PAIRING ABERRATION IN RICE MEIOSIS 1
gene from Oryza sativa PMID:15031413 Gramene
(via Gramene Genes)

E two nucleate megagametophyte stage ; PO:0007627

The stage of megagametophyte development when there are two nuclei.

Qualifier Name / Symbol Information Evidence Reference Assigned by Associated to
SWA1
AT2G47990
protein from Arabidopsis thaliana PMID:15980260 TAIR GO

G eight nucleate megagametophyte stage ; PO:0007629

The stage of megagametophyte development when there are eight nuclei.

Qualifier Name / Symbol Information Evidence Reference Assigned by Associated to
AT1G28030.1
AT1G28030
protein from Arabidopsis thaliana PMID:16299181 TAIR GO

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