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expand all sections collapse all sections  Oryza sativa Gene "Pair1"
ID 14763
Name Pair1 (GENE SYMBOL)
Synonyms (3)
GRAMENE GENEGR:0100119
Type Gene
Species Oryza sativa (Oryza sativa) [ GR_tax:013681 ]
Germplasm
Description The gene plays an essential role in establishment of homologous chromosome
pairing and cytokinesis in male and female meiocytes. The encoded protein
contains putative coiled-coil motifs in the middle, two basic regions at both
termini, and a potential nuclear localization signal at the C terminus. In the
mutant, tagged by the endogenous retrotransposon Tos17, during prophase I all
the chromosomes became entangled to form a compact sphere adhered to a
nucleolus, and homologous pairing failed to occur. This resulted in complete
sterility of male and female gametes. At anaphase I and telophase I, chromosome
nondisjunction and degenerated spindle formation resulted in multiple uneven
spore production. It is expressed in the early stages of flower development.
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