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对……叶片着色分子机制的洞察。 你提供的原文似乎不完整，“in”后面缺少具体内容。

Insight into the molecular mechanisms of leaf coloration in .

作者信息

Cao Hua, Li Han, Chen Xiang, Zhang Yuying, Lu Lin, Li Shenchong, Tao Xiang, Zhu WeiYin, Wang Jihua, Ma Lulin

机构信息

Flower Research Institute Yunnan Agriculture Academy Science, Kunming, China.

Fujian Forestry Science and Technology Experimental Center, Zhangzhou, China.

出版信息

Front Genet. 2022 Aug 12;13:923082. doi: 10.3389/fgene.2022.923082. eCollection 2022.

DOI:10.3389/fgene.2022.923082
PMID:36035180
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9413228/
Abstract

L. is a significant ornamental plant in Orchidaceae. Aside from its attractive flowers, its leaf coloration is also an important ornamental trait. However, there is an apparent lack of studies concerning the intricate mechanism of leaf coloration in . In this study, we report a systematic evaluation of leaf coloration utilizing transcriptome and metabolome profiles of purple, yellow, and green leaves. In total, 40 anthocyanins and 67 flavonoids were quantified along with chlorophyll content. The tissue-transcriptome profile identified 26,499 differentially expressed genes (DEGs). The highest chlorophyll contents were identified in green leaves, followed by yellow and purple leaves. We identified key anthocyanins and flavonoids associated with leaf coloration, including cyanidin-3-O-sophoroside, naringenin-7-O-glucoside, delphinidin, cyanidin, petunidin, and quercetin, diosmetin, sinensetin, and naringenin chalcone. Moreover, genes encoding UDP-glucoronosyl, UDP-glucosyl transferase, chalcone synthesis, flavodoxin, cytochrome P450, and AMP-binding enzyme were identified as key structural genes affecting leaf coloration in In summary, copigmentation resulting from several key metabolites modulated by structural genes was identified as governing leaf coloration in . Further functional verification of the identified DEGs and co-accumulation of metabolites can provide a tool to modify leaf color and improve the aesthetic value of .

摘要

L.是兰科一种重要的观赏植物。除了其迷人的花朵外，其叶片颜色也是一个重要的观赏性状。然而，目前明显缺乏关于L.叶片颜色形成复杂机制的研究。在本研究中，我们利用紫色、黄色和绿色叶片的转录组和代谢组谱对叶片颜色进行了系统评估。总共对40种花青素和67种黄酮类化合物以及叶绿素含量进行了定量分析。组织转录组谱鉴定出26499个差异表达基因（DEGs）。叶绿素含量最高的是绿色叶片，其次是黄色和紫色叶片。我们鉴定出了与叶片颜色相关的关键花青素和黄酮类化合物，包括矢车菊素-3-O-槐糖苷、柚皮素-7-O-葡萄糖苷、飞燕草素、矢车菊素、矮牵牛素、槲皮素、香叶木素、橙皮素和柚皮素查尔酮。此外，编码UDP-葡萄糖醛酸基转移酶、UDP-葡萄糖基转移酶、查尔酮合成酶、黄素氧还蛋白、细胞色素P450和AMP结合酶的基因被鉴定为影响L.叶片颜色的关键结构基因。总之，由结构基因调控的几种关键代谢物导致的共色素沉着被确定为L.叶片颜色形成的主导因素。对鉴定出的DEGs进行进一步功能验证以及代谢物的共积累可为改变叶片颜色和提高L.的美学价值提供一种手段。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4dbf/9413228/43fe554a1ce4/fgene-13-923082-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4dbf/9413228/52c18b272a27/fgene-13-923082-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4dbf/9413228/0115170a0637/fgene-13-923082-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4dbf/9413228/2e17fa7e9c92/fgene-13-923082-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4dbf/9413228/bde5147bfb2e/fgene-13-923082-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4dbf/9413228/70b315fa283e/fgene-13-923082-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4dbf/9413228/080eacba3a3a/fgene-13-923082-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4dbf/9413228/9aede56064e1/fgene-13-923082-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4dbf/9413228/28bd44f58b6c/fgene-13-923082-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4dbf/9413228/43fe554a1ce4/fgene-13-923082-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4dbf/9413228/52c18b272a27/fgene-13-923082-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4dbf/9413228/0115170a0637/fgene-13-923082-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4dbf/9413228/2e17fa7e9c92/fgene-13-923082-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4dbf/9413228/bde5147bfb2e/fgene-13-923082-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4dbf/9413228/70b315fa283e/fgene-13-923082-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4dbf/9413228/080eacba3a3a/fgene-13-923082-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4dbf/9413228/9aede56064e1/fgene-13-923082-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4dbf/9413228/28bd44f58b6c/fgene-13-923082-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4dbf/9413228/43fe554a1ce4/fgene-13-923082-g009.jpg

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