Dataset Information

Characterization of the complete chloroplast genome of medicinal tea tree (Melaleuca alternifolia).

ABSTRACT: Melaleuca alternifolia is commonly known as the medicinal tea tree. The complete chloroplast (cp) genome sequence is 160,104?bp in length, with a quantitative molecule structure comprising two copies of inverted repeats (IRa and IRb) of 26,737?bp separated by a large single copy (LSC) of 88,151bp, a small single copy (SSC) of 18,479?bp. A total of 131 genes were identified including 84 protein-coding genes, 37 tRNA genes, eight rRNA genes and two pseudogene (?ycf1, ?infA), respectively. Phylogenomic analysis suggests that M. alternifolia is closely related to the rest species of Myrtaceae with strong bootstrap values.

SUBMITTER: Liu H

PROVIDER: S-EPMC7707254 | biostudies-literature | 2019 Oct

REPOSITORIES: biostudies-literature

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Characterization of the complete chloroplast genome of medicinal tea tree (Melaleuca alternifolia).

Liu Hailong H Geng Maolin M Qin Yufeng Y Xiao Yufei Y Li Mimi M

Mitochondrial DNA. Part B, Resources 20191001 2

Melaleuca alternifolia is commonly known as the medicinal tea tree. The complete chloroplast (cp) genome sequence is 160,104 bp in length, with a quantitative molecule structure comprising two copies of inverted repeats (IRa and IRb) of 26,737 bp separated by a large single copy (LSC) of 88,151bp, a small single copy (SSC) of 18,479 bp. A total of 131 genes were identified including 84 protein-coding genes, 37 tRNA genes, eight rRNA genes and two pseudogene (Ψycf1, ΨinfA), r ...[more]

PMID: 33365968

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Project description:Introduction: Leaves of the Australian tea tree plant Melaleuca alternifolia were used traditionally by First Nations Australians for treating wounds, burns, and insect bites. Tea tree oil, the essential oil steam-distilled from M. alternifolia, is well-known for its medicinal properties, the evidence for most applications however is limited. This review aimed to critically appraise evidence from clinical trials examining the therapeutic efficacy and safety of tea tree oil on outcomes. Methods: Randomized controlled trials with participants of any age, gender, or health status, comparing tea tree oil to any control were included, without limit on publication date. Electronic databases were searched on 12 August 2022 with additional records sourced from article reference sections, reviews, and industry white papers. Risk of bias was assessed by two authors independently using the Cochrane risk-of-bias 1.0 tool. Results were summarized and synthesized thematically. Results: Forty-six articles were eligible from the following medical fields (Dentistry n = 18, Dermatology n = 9, Infectious disease n = 9, Ophthalmology n = 6, Podiatry n = 3; and Other n = 1). Results indicate that oral mouthwashes with 0.2%–0.5% tea tree oil may limit accumulation of dental plaque. Gels containing 5% tea tree oil applied directly to the periodontium may aid treatment of periodontitis as an adjunctive therapy to scaling and root planing. More evidence is needed to confirm the benefits of tea tree oil for reducing acne lesions and severity. Local anti-inflammatory effects on skin, if any, also require further elucidation. Topical tea tree oil regimens show similar efficacy to standard treatments for decolonizing the body from methicillin-resistant Staphylococcus aureus, although intra-nasal use of tea tree oil may cause irritation to mucous membranes. Tea tree oil with added iodine may provide an effective treatment for molluscum contagiosum lesions in young children. More evidence on efficacy of tea tree oil-based eyelid wipes for Demodex mite control are needed. Side effects were reported in 60% of included studies and were minor, except where tea tree oil was applied topically in concentrations ≥ 25%. Discussion: Overall, the quality of research was poor to modest and higher quality trials with larger samples and better reporting are required to substantiate potential therapeutic applications of tea tree oil. Systematic Review Registration: PROSPERO, identifier [CRD42021285168].

Dataset Information

Characterization of the complete chloroplast genome of medicinal tea tree (Melaleuca alternifolia).

Publications

Characterization of the complete chloroplast genome of medicinal tea tree (<i>Melaleuca alternifolia</i>).

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