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Systematic approach of polyploidy as an evolutionary genetic and genomic phenomenon in horticultural crops.
Plant Sci
November 2024
Department of Horticultural Science, Kyungpook National University, Daegu 41566, South Korea; Institute of Agricultural Science and Technology, Kyungpook National University, Daegu, South Korea. Electronic address:
Polyploidy is thought to be an evolutionary and systematic mechanism for gene flow and phenotypic advancement in flowering plants. It is a natural phenomenon that promotes diversity by creating new permutations enhancing the prime potentials as compared to progenitors. Two different pathways have been recognized in studying polyploidy in nature; mitotic or somatic chromosome doubling and cytogenetics variation.
View Article and Find Full Text PDFOptimizing chemical-induced premature chromosome condensation assay for rapid estimation of high-radiation doses.
Radiat Prot Dosimetry
April 2024
Department of Risk Analysis and Biodosimetry, Institute of Radiation Emergency Medicine, Hirosaki University, 66-1 Hon-cho, Hirosaki, Aomori 036-8564, Japan.
In the event of exposure to high doses of radiation, prompt dose estimation is crucial for selecting appropriate treatment modalities, such as cytokine therapy or stem cell transplantation. The chemical-induced premature chromosome condensation (PCC) method offers a simple approach for such dose estimation with significant radiation exposure, but its 48-h incubation time poses challenges for early dose assessment. In this study, we optimized the chemical-induced PCC assay for more rapid dose assessment.
View Article and Find Full Text PDFMobile telephony radiation exerts genotoxic action and significantly enhances the effects of gamma radiation in human cells.
Gen Physiol Biophys
March 2024
Choremeion Research Laboratory, 1st Paediatric Clinic, Medical School, National and Kapodistrian University of Athens, Greece.
I previously reported chromosomal damage in human peripheral blood lymphocytes (HPBLs) induced by: a) mobile telephony (MT) electromagnetic fields (EMFs)/electromagnetic radiation (EMR), b) a high caffeine dose, and c) the combination of the two stressors. HPBLs from the same subjects exposed to gamma radiation at doses 0.1, 0.
View Article and Find Full Text PDFPaclitaxel and Caffeine-Taurine, New Colchicine Alternatives for Chromosomes Doubling in Maize Haploid Breeding.
Int J Mol Sci
September 2023
State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing 210095, China.
The doubled haploid (DH) technology is employed worldwide in various crop-breeding programs, especially maize. Still, restoring tassel fertility is measured as one of the major restrictive factors in producing DH lines. Colchicine, nitrous oxide, oryzalin, and amiprophosmethyl are common chromosome-doubling agents that aid in developing viable diploids (2n) from sterile haploids (n).
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