ArticleMolecular genetics and genomics : MGG2015
Characterization of four B-chromosome-specific RAPDs and the development of SCAR markers on the maize B-chromosome.
Article in Molecular genetics and genomics : MGG, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed.
- Non-Canonical Male Meiosis in a Marine Gastropod,Biology · 2025Article
- The r-X1 deletion induces terminal deficiencies in the maize B chromosome.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2021Article
- Sequence of the supernumerary B chromosome of maize provides insight into its drive mechanism and evolution.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- The maize B chromosome is capable of expressing microRNAs and altering the expression of microRNAs derived from A chromosomes.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2020Article
- Novel B-chromosome-specific transcriptionally active sequences are present throughout the maize B chromosome.Molecular genetics and genomics : MGG · 2020Article
- Cytomolecular characterization and origin of de novo formed maize B chromosome variants.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2016Article
- B chromosome contains active genes and impacts the transcription of A chromosomes in maize (Zea mays L.).BMC plant biology · 2016Article
- Genetic Authentication of Gardenia jasminoides Ellis var. grandiflora Nakai by Improved RAPD-Derived DNA Markers.Molecules (Basel, Switzerland) · 2015Article
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4 authors.
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Abstract
Understanding the molecular organization of the maize B-chromosome is hindered by its high homology with A-chromosomes. Recently, various approaches have been employed to overcome this hindrance, and several B-chromosome-specific sequences have been identified. Here, we cloned and characterized four previously published B-chromosome-specific RAPD fragments in detail. The results of sequence analysis, Southern hybridization and fluorescence in situ hybridization revealed that the four RAPD fragments are repetitive and present on both the B- and A-chromosomes, which supports an A-chromosome origin of the B-chromosome. We further developed four sequence-characterized amplified region (SCAR) markers derived from the four B-chromosome-specific RAPDs. These markers amplified PCR products exclusively in plants with B-chromosomes and were further mapped to definite distal heterochromatic regions of the B-chromosome by 15 B-A translocations. Furthermore, reverse transcriptase-PCR revealed that two of the four B-chromosome-specific RAPD fragments are transcriptionally active. These results demonstrate the feasibility of using B-chromosome-specific RAPD sequences to generate SCAR markers specific to the B-chromosome and might apply to other sequences of the maize B-chromosome.
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