ArticlePloS one2018
Microspore culture reveals high fitness of B. napus-like gametes in an interspecific hybrid between Brassica napus and B. oleracea.
Article in PloS one, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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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
4 citing papers in PubMed.
- Applications of In Vitro Tissue Culture Technologies in Breeding and Genetic Improvement of Wheat.Plants (Basel, Switzerland) · 2022Review
- Challenges and prospects for a potential allohexaploid Brassica crop.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Review
- Creation of fertility-restored materials for Ogura CMS in Brassica oleracea by introducing Rfo gene from Brassica napus via an allotriploid strategy.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2020Article
- "Doubled-haploid" allohexaploid Brassica lines lose fertility and viability and accumulate genetic variation due to genomic instability.Chromosoma · 2019Article
Corrections and comments
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The strategies of crossing B. napus with parental species play important role in broadening and improving the genetic basis of B. napus by the introgression of genetic resources from parental species. With these strategies, it is easy to select new types of B. napus, but difficult to select new types of B. rapa or B. oleracea by self-pollination. This characteristic may be a consequence of high competition with B. napus gametes. To verify the role of gamete viability in producing new B. napus individuals, the meiotic chromosome behavior of the interspecific hybrid between B. napus (Zhongshuang 9) and B. oleracea (6m08) was studied, and microspore-derived (MD) individuals were analyzed. The highest fitness of the 9:19 (1.10%) pattern was observed with a 5.49-fold higher than theoretical expectation among the six chromosome segregation patterns in the hybrid. A total of 43 MD lines with more than 14 chromosomes were developed from the hybrid, and 8 (18.6%) of them were B. napus-like (n = 19) type gametes, having the potential to broaden the genetic basis of natural B. napus (GD = 0.43 ± 0.04). It is easy to produce B. napus-like gametes with 19 chromosomes, and these gametes showed high fitness and competition in the microspore-derived lines, suggesting it might be easy to select new types of B. napus from the interspecific hybrid between B. napus and B. oleracea.
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