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Heterosis of Arabidopsis hybrids between C24 and Col is associated with increased photosynthesis capacity
It was found that an inhibitor of photosynthesis eliminated heterosis and that higher light intensities enhanced both photosynthesis and heterosis, and a central role for increased photosynthesis in the production of the heterotic biomass was suggested.
Self-compatibility in Brassica napus is caused by independent mutations in S-locus genes.
Observations suggest independent origins of self-compatibility in B. napus and suggest it is self-compatible.
Genomic organization of the S core region and the S flanking regions of a class-II S haplotype in Brassica rapa
The nucleotide sequence of an 86.4-kb region that includes the SP11, SRK, and SLG genes of Brassica rapa S-60 (a class-II S haplotype) was determined and it emerged that the order of SRK andSLG in class- II S- 60 is the reverse of that in the four class-I S haplotypes reported so far.
Effects of Recombination on Hitchhiking Diversity in the Brassica Self-incompatibility Locus Complex
In self-incompatibility, a number of S haplotypes are maintained by frequency-dependent selection, which results in trans-specific S haplotypes. The region of several kilobases (∼40–60 kb) from SP6
Characterization of DNA methyltransferase genes in Brassica rapa.
Differences of expression patterns of these DNA methyltransferase genes and expression levels in different tissues and developmental stages are indicated, suggesting that these genes might play important roles in epigenetic gene regulation in B. rapa.
Genetic mapping of a fusarium wilt resistance gene in Brassica oleracea
This is the first paper to map the fusarium-resistance gene in Brassica species and to validate the effectiveness of MAS in improving fUSarium resistance in these important plants.
Suppression of gene expression of a recessive SP11/SCR allele by an untranscribed SP11/SCR allele in Brassica self-incompatibility
Interestingly, transcription of SP11-60 was revealed to be suppressed in the S-f2/S-60 heterozygotes, suggesting that an untranscribed class-I SP11 allele suppresses the expression of a recessive class-II SP 11 allele in the anthers of S heterozygote.
Recent research on the mechanism of heterosis is important for crop and vegetable breeding systems
Recent molecular analyses of transcriptomes together with reference to the epigenome of the parents and hybrids have begun to uncover new facts about the generation of heterosis, which include the identification of gene expression changes in hybrids, which may be important for heterosis.