Taxus mairei
Taxus mairei · Accepted scientific name
Scientific literature: Very Sparse (2 studies) · ★☆☆☆☆
Taxus mairei is a significant medicinal plant known for its diverse pharmacological activities, including potent antifungal and antitumor properties. The plant contains vital chemical compounds such as Taxol, various taxoids, paclitaxel, and (-)-Matairesinol. Various parts of the plant, including the leaf, seed, root, and stem, are utilized in different medicinal preparations like aqueous extracts and bark extracts. Research suggests that its components may impact health conditions ranging from hypertension and blood pressure to sleep quality. Furthermore, it holds particular interest in the treatment of serious ailments like Non-Small Cell Lung Cancer.
- Synonyms
- Taxus Sumatrana Subsp. Mairei · Taxus Chinensis Var. Mairei · 5 more
- Common names
- Not available
- Family
- Taxaceae
- Distribution
- Not available
- Plant Parts
- Leaf · Seed
Classification
Common Names
Taxus mairei is a distinctive species that is widely recognized by several different names. In many botanical circles, it is most commonly referred to by the name Maire's Yew. Depending on the region and local linguistic traditions, it also carries the name Nan fang hong dou shan. These various designations highlight the plant's diverse cultural and scientific presence. Understanding these overlapping identities is essential for anyone studying its specific classification.
Sources: Catalogue of Life (COL)
Synonyms
Taxus mairei is a species characterized by a complex botanical history involving several taxonomic synonyms. It is frequently identified in older literature under the names Taxus chinensis var. mairei and Taxus kingstonii. Researchers also recognize its connection to various forms, such as Taxus mairei var. speciosa and Taxus speciosa. Furthermore, the plant has been classified as Taxus sumatrana subsp. mairei in certain botanical contexts. Understanding these overlapping designations is essential for accurate identification and study within the genus.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Taxus mairei is a unique species that belongs to the kingdom Plantae. Within this vast botanical realm, it is classified under the class Equisetopsida. As a member of the order Pinales, it shares evolutionary ties with many other significant conifers. This plant is further distinguished by its placement within the family Taxaceae. Finally, it is a specific representative of the well-known genus Taxus.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Pinidae |
| Order | Pinales |
| Family | Taxaceae |
| Genus | Taxus |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Taxus mairei is a distinctive species primarily distributed throughout the Asia-temperate regions. Its presence is most notably felt across various parts of China, including the North-Central, South-Central, and Southeast territories. Beyond the mainland, the plant can also be found as far south as the island of Hainan. Furthermore, its range extends into Eastern Asia, specifically encompassing the island of Taiwan. This wide geographic spread highlights the adaptability of the species across diverse Chinese landscapes.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Taxus mairei is a self-supporting plant that maintains its own structural integrity without the need for external support.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Taxus mairei serves as a significant pharmaceutical plant that hosts a variety of bioactive endophytic fungi. Research conducted on the inner barks of this species has revealed that these fungi possess notable antitumor properties. Specifically, studies utilizing MTT assays demonstrated that many fermentation broths derived from the plant exhibit cytotoxic activity against HL-60 and KB cells. Additionally, the endophytic fungi found within Taxus mairei display strong antifungal activity by inhibiting the growth of pathogenic species like Fusarium sp. and Trichoderma sp. Ultimately, these findings highlight the potential of Taxus mairei as a vital source for discovering new antitumor and antifungal agents.
Compounds
Taxus mairei serves as a vital biological source for several high-value medicinal compounds used in modern pharmacology. Research has confirmed that this plant contains the potent anticancer agents taxol and paclitaxel. Detailed chemical analyses of its seeds and bark further reveal the presence of specific taxane diterpenoids, including taxinine A and taxezopidine G. Additionally, the species provides 1-Deoxybaccatin VI, which can be utilized to synthesize various taxane analogs. Through the study of its genome and metabolic pathways, scientists continue to unlock the full biotechnological potential of this significant medicinal plant.
Conditions
Taxus mairei serves as a vital medicinal resource because it treats various cancers through its potent bioactive compounds. Specifically, the plant produces taxanes and related diterpenoids that exhibit anticancer properties. Research has demonstrated that certain extracts and isolated compounds from the species can treat HeLa tumor cells by exerting cytotoxic effects. Furthermore, aqueous extracts from the plant have been shown to treat non-small cell lung cancer (NSCLC) by inducing apoptosis via the ATF3-Hippo-YAP pathway. These diverse applications underscore the plant's significant potential in anti-tumor therapy.
Preparations
Taxus mairei is prepared as roots to isolate various taxoid derivatives and novel taxumairols. The plant is also prepared as an aqueous extract, which has been shown to regulate the Hippo-YAP pathway and promote apoptosis in non-small cell lung cancer cells. Researchers have utilized Taxus mairei prepared as bark to identify numerous taxane diterpenoids, including taxumairol C. Additionally, the species is prepared as an extract to facilitate the study and purification of essential components like 10-deacetyl baccatin III. Various extracts of the plant are studied to identify specific chemical constituents and their medicinal properties.
Parts used
Taxus mairei is a versatile gymnosperm species that contains a variety of biologically active components throughout its different structures. Research on the leaves has focused on analyzing microRNAs and extracting 10-deacetyl baccatin III, a crucial precursor for anticancer drugs. The seeds of the plant have proven to be a rich source of several new taxane diterpenoids and taxoid metabolites. Additionally, the roots yield unique taxoid derivatives and novel compounds such as taxumairols N and O. Finally, the stem bark contributes further specialized chemical constituents, including new taxane derivatives like taxumairols U through W.