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Showing 1 to 12 of 12 for “"Antirrhinum"”.
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Induction, Selection, and Characterization of Ethylene -Insensitive Mutants in Antirrhinum Majus (Snapdragon)
A tissue culture screen for ethylene tolerance utilizing ACC was optimized for a snapdragon inbred line, OAK564. Moreover, 40,000 EMS mutagenized snapdragon seeds were also screened for ethylene insensitivity. From this, a total of 231 putative ethylene mutants were recovered. Putative ethylene …
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Evolutionary genetics and genomics of flower colour loci in an Antirrhinum hybrid zone
Unravelling the genetic nature of reproductive isolation is crucial to understanding the maintenance of diversity between populations. In hybrid zones, loci that establish a barrier to gene flow between populations remain divergent, whereas neutral unlinked loci become mixed. In those instances, …
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Roles of Flavonoid Compounds in Determining the Shelf Life of Tomato Fruit
… and Rosea 1, two transcriptional factors from Antirrhinum majus, can extend tomato shelf life significantly. Compared to WT tomato fruit, the anthocyanin-enriched purple fruit have double the shelf life including delayed over-ripening and reduced susceptibility to the fungal pathogen, Botrytis …
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Pollinator behaviour and the evolutionary genetics of petal surface texture in the Solanaceae
… preferences in Petunia, and previously shown in Antirrhinum, differ from those identified by this study in the buzz-pollinated genus Solanum. These results help expand our understanding of the complex pressures that can act on a single multifunctional trait, as well as providing evidence for the …
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The Evolution and Development of Nectar Spurs
… spur development. The well-known study system Antirrhinum majus (snapdragon), which possesses only a nectar pouch, called a gibba, was compared to the common toadflax Linaria vulgaris, a related species within the Antirrhineae which possesses a spur. The comparison between a species with a …
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The Evolution and Development of Nectar Spurs
… the well-studied but spurless snapdragon genus *Antirrhinum*. Candidate genes hypothesised to play a role in spur initiation were selected based on a literature review and the results of a recent transcriptomic analysis comparing *A. majus* to *L. vulgaris*. Candidate gene function was explored …
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Role of KNOX genes in the evolution and development of floral nectar spurs
A key question in biology is how changes in gene function or regulation produce new morphologies during evolution. The nectar spur is an evolutionarily labile structure known to influence speciation in a broad range of angiosperm taxa. Here, the genetic basis of nectar spur development, and the …