ArticlePlant cell reports2008
Analyses of the floral organ morphogenesis and the differentially expressed genes of an apetalous flower mutant in Brassica napus.
Article in Plant cell reports, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 12 citations in OpenAlex.
- Identification of candidate genes associated with double flowers via integrating BSA-seq and RNA-seq in Brassica napus.BMC genomics · 2024Article
- Regulation and Subfunctionalization of Flowering Time Genes in the Allotetraploid Oil CropFrontiers in plant science · 2020Review
- DefectiveFrontiers in plant science · 2018Article
- Isolation and characterization of three duplicated PISTILLATA genes in Brassica napus.Molecular biology reports · 2011Article
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Authors and funding
7 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
The floral organ morphogenesis of the apetalous flower mutant Apet33-10 in Brassica napus was investigated and the result showed that all the floral organ morphogenesis was normal except that petal primordium was not observed during flower development. Eighteen genes were found to be down regulated in early floral buds (less than 200 mum in length) of Apet33-10 at the stage of floral organ initiation by means of suppressive subtraction hybridization (SSH) and RT-PCR. These genes were involved in petal identity, calcium iron signal transduction, mRNA processing, protein synthesis and degradation, construction of cytoskeleton, hydrogen transportation, nucleic acid binding, alkaloid biosynthesis and unknown function. Three overall coding region cDNAs of APETALA3 (AP3) gene, BnAP3-2, BnAP3-3 and BnAP3-4 were obtained by RT-PCR, respectively. Real-time quantitative PCR analysis showed that the expression ratio among BnAP3-2, BnAP3-3 and BnAP3-4 was 3.67:3.68:1 in early floral buds of wild type Pet33-10. The expression level of BnAP3-2, BnAP3-3 and BnAP3-4 in early floral buds of Apet33-10 was down-regulated to 36.6, 28.3 and 66.8% with the comparison of that of wild type, respectively, and the overall expression level of AP3 genes in apetalous mutant amounted to 45.0% of that in wild type. The difference in the expression level of each AP3 gene in stamen between apetalous and wild type lines was not significant. It is suggested that lower abundant expression of AP3 genes during the early flower development might be enough for stamen primordium initiation, but not enough for petal primordium initiation in the apetalous line Apet33-10.
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