ArticlePlant cell reports2006
Extra divisions and nuclei fusions in microspores from Brassica allohexaploid (AABBCC) x Orychophragmus violaceus hybrids.
Article in Plant cell reports, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 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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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
3 citing papers in PubMed, 8 citations in OpenAlex.
- Microspore culture reveals high fitness of B. napus-like gametes in an interspecific hybrid between Brassica napus and B. oleracea.PloS one · 2018Article
- Microspore culture preferentially selects unreduced (2n) gametes from an interspecific hybrid of Brassica napus L. x Brassica carinata Braun.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2009Article
- Production and characterization of intertribal somatic hybrids of Raphanus sativus and Brassica rapa with dye and medicinal plant Isatis indigotica.Plant cell reports · 2008Article
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Abnormal meiosis and microspore development and related defective mutants have often been reported in plants and wide hybrids. Here extra divisions and nuclei fusions were observed to occur in microspore nuclei of partial hybrids between synthetic Brassica hexaploid (2n = 54, AABBCC) and another crucifer Orychophragmus violaceus (2n = 24). Abnormal spindle were formed and chromosomes were separated into several nuclei of variable sizes after bi-, or multi-polar divisions in the four cells of tetrads. As a consequence, more than eight mini-microspores of different sizes were produced by one tetrad. Genomic in situ hybridization results indicated that no chromosome replication occurred during such divisions. In some tetrads, the four nuclei were fused to form one large cell with increased chromosome number. The extra divisions or fusions appeared only in some flower buds of one plant, some anthers in the same buds, or even in individual cells of tetrads. The possible mechanisms behind these cytological phenomena are discussed.
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Registered trials
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