ArticleG3 (Bethesda, Md.)2012
Chromosomal Organization and Sequence Diversity of Genes Encoding Lachrymatory Factor Synthase in Allium cepa L.
Article in G3 (Bethesda, Md.), 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
6 citing papers in PubMed.
- Generation of lachrymatory factor synthase-suppressed onion (Frontiers in plant science · 2026Article
- Allium chromosome evolution and DNA sequence localization.Molecular biology reports · 2024Article
- Hidden Pitfalls of Using Onion Pollen in Molecular Research.Current issues in molecular biology · 2023Article
- Comprehensive genomics and expression analysis of eceriferum (CER) genes in sunflower (Saudi journal of biological sciences · 2021Article
- Insights from the first genome assembly of Onion (Allium cepa).G3 (Bethesda, Md.) · 2021Article
- An easy "SteamDrop" method for high quality plant chromosome preparation.Molecular cytogenetics · 2014Article
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Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Lachrymatory factor synthase (LFS) catalyzes the formation of lachrymatory factor, one of the most distinctive traits of bulb onion (Allium cepa L.). Therefore, we used LFS as a model for a functional gene in a huge genome, and we examined the chromosomal organization of LFS in A. cepa by multiple approaches. The first-level analysis completed the chromosomal assignment of LFS gene to chromosome 5 of A. cepa via the use of a complete set of A. fistulosum-shallot (A. cepa L. Aggregatum group) monosomic addition lines. Subsequent use of an F(2) mapping population from the interspecific cross A. cepa × A. roylei confirmed the assignment of an LFS locus to this chromosome. Sequence comparison of two BAC clones bearing LFS genes, LFS amplicons from diverse germplasm, and expressed sequences from a doubled haploid line revealed variation consistent with duplicated LFS genes. Furthermore, the BAC-FISH study using the two BAC clones as a probe showed that LFS genes are localized in the proximal region of the long arm of the chromosome. These results suggested that LFS in A. cepa is transcribed from at least two loci and that they are localized on chromosome 5.
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