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Gene mapping with recombinant inbreds in maize.
A genetic map based largely on isozymes and restriction fragment length polymorphisms has been produced that covers virtually the entire maize genome.
Maize regulatory gene opaque-2 encodes a protein with a "leucine-zipper" motif that binds to zein DNA.
- R. Schmidt, F. Burr, M. Aukerman, B. Burr
- BiologyProceedings of the National Academy of Sciences…
In an in vitro binding assay, the beta-galactosidase-O2 fusion proteins bound to two specific regions on the 5' side of the coding sequence in a zein genomic clone suggests that the O2 protein affects zein transcription through direct interaction with one or more zein promoter elements.
Maize anthocyanin regulatory gene pl is a duplicate of c1 that functions in the plant.
The finding that a functional pl allele is required for the transcription of at least three structural genes in the anthocyanin biosynthetic pathway is consistent with the idea that the pl gene product also acts as a transcriptional activator.
Recombinant inbreds for molecular mapping in maize: theoretical and practical considerations.
Molecular analysis of the maize anthocyanin regulatory locus C1.
RNA blot hybridization analysis of three C1 alleles indicates that C1 regulation of the Bz1 and A1 structural genes in the anthocyanin biosynthetic pathway is at the transcriptional level.
Pinning down loose ends: mapping telomeres and factors affecting their length.
The dynamic control over telomere length in maize appears to act rapidly to achieve new genotypically determined telomeres lengths in the F1.
Transposon tagging and molecular analysis of the maize regulatory locus opaque-2.
Transposon mutagenesis with the transposable element suppressor-mutator (Spm) was carried out, and three mutable o2 alleles were obtained, indicating that the gene is expressed in wild-type endosperm but not in leaf tissues or in endosperms homozygous for a mutant allele of the O2 gene.
Curated genome annotation of Oryza sativa ssp. japonica and comparative genome analysis with Arabidopsis thaliana.
The results suggest that natural selection may have played a role for duplicated genes in both species, so that duplication was suppressed or favored in a manner that depended on the function of a gene.
Light and electron microscope observations on the vegetative and reproductive structures of Bryopsis hypnoides
Abstract The vegetative system of the coenocytic alga Bryopsis hypnoides has a large central vacuole which extends throughout the body of the plant. This vacuole occupies most of the volume of the…
The maize repressor-like gene intensifier1 shares homology with the r1/b1 multigene family of transcription factors and exhibits missplicing.
The recessive mutation intensifier1 of maize apparently causes an overall increase in flavonoid production in the aleurone and it is found that it shares homology with known transcription factors in the anthocyanin pathway, in particular the r1/b1 multigene family in maize.