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expand all sections collapse all sections  Zea mays subsp. mays Gene "hcf50"
ID 60
Name hcf50 (GENE SYMBOL)
Synonyms (3)
GRAMENE GENEGR:0200250
Type Gene
Species Zea mays subsp. mays (Maize) [ GR_tax:014546 ]
Germplasm
Description Missing PSI thylakoid membrane core complex; seedling slightly pale green. Like
hcf44, but not allelic to hcf44 (Miles D. unpublished). Green seedling leaves;
primary deficiency in photosystem I core complex (Miles et al. 1979). TB-1Lc,
TB-4L-1L and TB-5S-1L uncover. EM freeze fracture shows reduction in PF
particles of unstacked thylakoid membranes (Miller 1980). Somewhat reduced
photosystem II activity, 80% reduced photosystem I activity, 80% reduced ATP
synthesis, 95% reduced CO2-fixation (Miles 1980, 1982; Miles and Metz 1985).
Classification: hcf trait, excellent. Viability: seedling lethal at 3- to 4-leaf
stage. (Polacco). Genetic 2005 1 coordinates determined from these recombination
and map data: hcf50 T1-4(4692)(1); hcf50 T1-5(8041)(1)[source of data unclear];
TB-1Lc(1) hcf50; see MaizeGDB ID:104699; 104700; 104701. This gene was
originally curated in MaizeGDB Database and the map position was displayed on
the maize bins map if feasible.
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