源自植物基因组的非B型DNA结构。
Non-B DNA structures emerging from plant genomes.
作者信息
Crespi Martin, Ariel Federico
机构信息
Institute of Plant Sciences Paris-Saclay (IPS2), CNRS, INRA, University Paris-Saclay and University of Paris Bâtiment 630, 91192 Gif sur Yvette, France.
Instituto de Agrobiotecnología del Litoral (IAL), CONICET, FBCB, Universidad Nacional del Litoral, Colectora Ruta Nacional 168 km 0, Santa Fe, Argentina.
出版信息
Trends Plant Sci. 2022 Jul;27(7):624-626. doi: 10.1016/j.tplants.2022.03.004. Epub 2022 Mar 15.
Noncanonical (non-B) DNA structures, including G-quadruplexes, R-loops, and various DNA alternate conformations, affect genome organization, stability, and activity. Very few non-B structures have been mapped across plant genomes. Recently, Ma et al. identified intercalated-motifs (cytosine-rich, four-stranded quadruplex DNA) in rice, expanding how non-B DNA may contribute to plant gene regulation.
非经典（非B型）DNA结构，包括G-四链体、R-环和各种DNA交替构象，会影响基因组的组织、稳定性和活性。在植物基因组中，已绘制图谱的非B型结构非常少。最近，马等人在水稻中鉴定出插入基序（富含胞嘧啶的四链体DNA），拓展了非B型DNA对植物基因调控作用的认识。
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