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The roles of R2R3-MYBs in regulating complex pigmentation patterns in flowers 被引量:3
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作者 Baoqing Ding 《Horticultural Plant Journal》 SCIE CAS CSCD 2023年第6期1067-1078,共12页
Pigmentation patterns are ubiquitous in nature.Visually striking pigmentation patterns are not only aesthetically appealing,but also crucial to pollinator interaction and plant fitness.The formation of complex floral ... Pigmentation patterns are ubiquitous in nature.Visually striking pigmentation patterns are not only aesthetically appealing,but also crucial to pollinator interaction and plant fitness.The formation of complex floral pigmentation patterns mainly relies on the spatiotemporal expression of R2R3-MYB transcription factors and is often associated with certain floral development programs,such as floral organ identity,symmetry,which likely provide key information to initiate the patterning.For a complex pigmentation pattern to form,at least a pair of activator and inhibitor is required,despite their interaction might vary depending on the system being investigated.The regulation of pigmentation pattern involves multiple molecular mechanisms,such as transcriptional regulation,small RNA,transposon-mediated gene silencing,and methylation of gene body.Identifying these regulators can be facilitated by using single-cell and spatial transcriptomics as well as innovative plant transformation technologies.Moreover,plant organ development and pigmentation patterns are often interdependent,but current methods of describing patterns are static.Therefore,more precise and quantitative measurements are needed to elucidate the developmental mechanisms underlying complex pigmentation patterns in flowers. 展开更多
关键词 Pattern formation REACTION-DIFFUSION PETALS prepattern R2R3-MYB ANTHOCYANIN CAROTENOID STRIPES SPOTS
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微孔诱导法制备高有序多孔氧化铝模板的研究进展
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作者 刘旭东 周秀文 +2 位作者 杨波 余斌 钟华 《材料导报(纳米与新材料专辑)》 EI 2010年第1期9-11,22,共4页
铝的阳极氧化法是一种应用于模板合成领域的重要技术,制得的阳极氧化铝模板能合成纳米线、纳米管等低维纳米材料。近年来,人们为了进一步增强氧化铝模板的有序性,采用了微孔诱导氧化铝模板制备技术。介绍了此类技术中的印模印刷术、聚... 铝的阳极氧化法是一种应用于模板合成领域的重要技术,制得的阳极氧化铝模板能合成纳米线、纳米管等低维纳米材料。近年来,人们为了进一步增强氧化铝模板的有序性,采用了微孔诱导氧化铝模板制备技术。介绍了此类技术中的印模印刷术、聚焦离子束法及激光全息技术。制得的超高有序度的模板由于孔间距和孔径可调且基本恒定,在强激光的作用下可提高X射线产额,使其在强激光与物质相互作用领域拥有广阔的应用前景。 展开更多
关键词 阳极氧化 纳米结构 PAA 预组织 诱导
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