{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,28]],"date-time":"2026-10-28T22:25:16Z","timestamp":1793226316566,"version":"4.5.0"},"reference-count":124,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2024,1,31]],"date-time":"2024-01-31T00:00:00Z","timestamp":1706659200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Lugan Technology Collaboration Special Project of the Science and Technology Planning Project of Gansu Province, China","award":["22CX8NK246"],"award-info":[{"award-number":["22CX8NK246"]}]},{"name":"Lugan Technology Collaboration Special Project of the Science and Technology Planning Project of Gansu Province, China","award":["tsqnz20231202"],"award-info":[{"award-number":["tsqnz20231202"]}]},{"name":"Special Funds of Taishan Scholar Project of Shandong Province, China","award":["22CX8NK246"],"award-info":[{"award-number":["22CX8NK246"]}]},{"name":"Special Funds of Taishan Scholar Project of Shandong Province, China","award":["tsqnz20231202"],"award-info":[{"award-number":["tsqnz20231202"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Plants"],"abstract":"<jats:p>Tea is a popular beverage with characteristic functional and flavor qualities, known to be rich in bioactive metabolites such as tea polyphenols and theanine. Recently, tea varieties with variations in leaf color have been widely used in agriculture production due to their potential advantages in terms of tea quality. Numerous studies have used genome, transcriptome, metabolome, proteome, and lipidome methods to uncover the causes of leaf color variations and investigate their impacts on the accumulation of crucial bioactive metabolites in tea plants. Through a comprehensive review of various omics investigations, we note that decreased expression levels of critical genes in the biosynthesis of chlorophyll and carotenoids, activated chlorophyll degradation, and an impaired photosynthetic chain function are related to the chlorina phenotype in tea plants. For purple-leaf tea, increased expression levels of late biosynthetic genes in the flavonoid synthesis pathway and anthocyanin transport genes are the major and common causes of purple coloration. We have also summarized the influence of leaf color variation on amino acid, polyphenol, and lipid contents and put forward possible causes of these metabolic changes. Finally, this review further proposes the research demands in this field in the future.<\/jats:p>","DOI":"10.3390\/plants13030426","type":"journal-article","created":{"date-parts":[[2024,1,31]],"date-time":"2024-01-31T09:56:34Z","timestamp":1706694994000},"page":"426","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["Multi-Omics Research Accelerates the Clarification of the Formation Mechanism and the Influence of Leaf Color Variation in Tea (Camellia sinensis) Plants"],"prefix":"10.3390","volume":"13","author":[{"given":"Yan-Gen","family":"Fan","sequence":"first","affiliation":[{"name":"College of Horticulture Science and Engineering, Shandong Agricultural University, Tai\u2019an 271018, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ting-Ting","family":"Zhao","sequence":"additional","affiliation":[{"name":"College of Horticulture Science and Engineering, Shandong Agricultural University, Tai\u2019an 271018, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qin-Zeng","family":"Xiang","sequence":"additional","affiliation":[{"name":"College of Horticulture Science and Engineering, Shandong Agricultural University, Tai\u2019an 271018, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1976-1315","authenticated-orcid":false,"given":"Xiao-Yang","family":"Han","sequence":"additional","affiliation":[{"name":"College of Horticulture Science and Engineering, Shandong Agricultural University, Tai\u2019an 271018, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shu-Sen","family":"Yang","sequence":"additional","affiliation":[{"name":"Yipinming Tea Planting Farmers Specialized Cooperative, Longnan 746400, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Li-Xia","family":"Zhang","sequence":"additional","affiliation":[{"name":"College of Horticulture Science and Engineering, Shandong Agricultural University, Tai\u2019an 271018, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5957-1113","authenticated-orcid":false,"given":"Li-Jun","family":"Ren","sequence":"additional","affiliation":[{"name":"College of Horticulture Science and Engineering, Shandong Agricultural University, Tai\u2019an 271018, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2024,1,31]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"7","DOI":"10.1038\/s41438-019-0225-4","article-title":"Tea plant genomics: Achievements, challenges and perspectives","volume":"7","author":"Xia","year":"2020","journal-title":"Hortic. 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