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The complete chloroplast genome of Lantana camara L. (Verbenaceae).

ABSTRACT: In this study, we sequenced, assembled and reported the complete chloroplast genome of Lantana camara an important medicinal plant for the first time. The genome is circular and quadripartite in structure; it has a length of 154,388 bp, 39.2% GC content and harbored 137 genes including 90 protein-coding genes, 39 tRNAs, and 8 rRNAs. The genome contained a large single-copy of 85,198 bp and a small single-copy of 17,249 bp separated by a pair of inverted repeat regions. The phylogenetic relationship showed a close relationship between L. camara and Lippia origanoides. The plastome sequence reported in this study will help for future research on the species and evolutionary studies of Verbenaceae.

SUBMITTER: Yaradua SS

PROVIDER: S-EPMC7748606 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Long-term environmental correlates of invasion by Lantana camara (Verbenaceae) in a seasonally dry tropical forest.

Project description:Invasive species, local plant communities and invaded ecosystems change over space and time. Quantifying this change may lead to a better understanding of the ecology and the effective management of invasive species. We used data on density of the highly invasive shrub Lantana camara (lantana) for the period 1990-2008 from a 50 ha permanent plot in a seasonally dry tropical forest of Mudumalai in southern India. We used a cumulative link mixed-effects regression approach to model the transition of lantana from one qualitative density state to another as a function of biotic factors such as indicators of competition from local species (lantana itself, perennial grasses, invasive Chromolaena odorata, the native shrub Helicteres isora and basal area of native trees) and abiotic factors such as fire frequency, inter-annual variability of rainfall and relative soil moisture. The density of lantana increased substantially during the study period. Lantana density was negatively associated with the density of H. isora, positively associated with basal area of native trees, but not affected by the presence of grasses or other invasive species. In the absence of fire, lantana density increased with increasing rainfall. When fires occurred, transitions to higher densities occurred at low rainfall values. In drier regions, lantana changed from low to high density as rainfall increased while in wetter regions of the plot, lantana persisted in the dense category irrespective of rainfall. Lantana seems to effectively utilize resources distributed in space and time to its advantage, thus outcompeting local species and maintaining a population that is not yet self-limiting. High-risk areas and years could potentially be identified based on inferences from this study for facilitating management of lantana in tropical dry forests.

| S-EPMC3805544 | biostudies-literature

Lantana camara

Project description:Lantana camara Raw sequence reads

| PRJNA501911 | ENA

Lantana camara

Project description:Lantana camara overview

| PRJNA587191 | ENA

Lantana camara

Project description:Lantana camara Transcriptome Assembly

| PRJNA556103 | ENA

Leaves of Lantana camara Linn. (Verbenaceae) as a potential insecticide for the management of three species of stored grain insect pests.

Project description:Insects cause extensive damage to stored grains and their value added products. Among the stored grain pests Sitophilus oryzae (L.) Callosobruchus chinensis (Fab.) and Tribolium castaneum (Herbst.) are considered as destructive pests in India. Plants may provide alternatives to currently used insect control agents as they constitute rich source in bioactive molecules. Lantana camara, an erect shrub, which grows widely in the tropics, exhibits insecticidal activity against several insects. The methanol extract from leaves of L. camara has fumigant and contact toxicity against S. oryzae, C. chinesis and T. castaneum. In fumigant assays, The LC50 for S. oryzae was 128 ?l/L(1), C. chinensis 130.3 ?l/L(1), and T. castaneum 178.7 ?l/L(1). The LD50 values for S. oryzae C. chinensis and T. castaneum in contact toxicity were 0.158, 0.140 and 0.208 mg/cm(2), respectively. For grain treatment, a concentration of 500 mg/L(1) and 7 days exposure were needed to obtain 90 - 100 % population extinction in all three insects. Probit analysis showed that C. chinensis were more susceptible than S. oryzae and T. castaneum. Gaschromatography-Mass Spectrometer (GCMS) studies for extracts indicated the presence of potent fumigant molecules in L. camara. The prospect of utilizing L. camara as potent fumigant insecticide is discussed.

| S-EPMC4571242 | biostudies-literature

The complete chloroplast genome sequence of Duranta erecta (Verbenaceae).

Project description:In this study, the complete chloroplast (cp) genome of Duranta erecta was assembled using Illumina sequencing data. The complete cp genome is 149,869 bp in length, including a pair of invert repeats (IRA and IRB) regions of 22,839 bp, large single-copy (LSC) region of 86,201 bp, and small single-copy (SSC) region of 17,990 bp. The G + C content of this cp genome was 38.26%. A total of 128 genes were predicted in the genome, including 83 protein-coding genes, 37 tRNA genes, and eight rRNA genes. Phylogenetic analysis confirmed the phylogenetic relationship between D. erecta and other representative species of Verbenaceae.

| S-EPMC8183526 | biostudies-literature

The complete chloroplast genome of Verbena officinalis, an herbal species of Verbenaceae family.

Project description:Verbena officinalis is one kind of traditional medical herb which has potential for multiple diseases' treatment. In this study, the complete chloroplast genome sequence of V. officinalis was assembled. Its complete circular chloroplast DNA length was 153,491 bp. The genome was made up of a large single-copy region of 84,518 bp, a small single-copy region of 17,357 bp, and a pair of inverted repeat regions of 25,808 bp. The genome totally encoded 128 genes, containing 83 protein-coding genes, 37 tRNA genes, and eight rRNA genes. Phylogenetic analysis indicates that V. officinalis belongs to the verbenaceae family.

| S-EPMC8204982 | biostudies-literature

Global invasion of Lantana camara: has the climatic niche been conserved across continents?

Project description:Lantana camara, a native plant from tropical America, is considered one of the most harmful invasive species worldwide. Several studies have identified potentially invasible areas under scenarios of global change, on the assumption that niche is conserved during the invasion process. Recent studies, however, suggest that many invasive plants do not conserve their niches. Using Principal Components Analyses (PCA), we tested the hypothesis of niche conservatism for L. camara by comparing its native niche in South America with its expressed niche in Africa, Australia and India. Using MaxEnt, the estimated niche for the native region was projected onto each invaded region to generate potential distributions there. Our results demonstrate that while L. camara occupied subsets of its original native niche in Africa and Australia, in India its niche shifted significantly. There, 34% of the occurrences were detected in warmer habitats nonexistent in its native range. The estimated niche for India was also projected onto Africa and Australia to identify other vulnerable areas predicted from the observed niche shift detected in India. As a result, new potentially invasible areas were identified in central Africa and southern Australia. Our findings do not support the hypothesis of niche conservatism for the invasion of L. camara. The mechanisms that allow this species to expand its niche need to be investigated in order to improve our capacity to predict long-term geographic changes in the face of global climatic changes.

| S-EPMC4208836 | biostudies-literature

Composition, Seasonal Variation, and Biological Activities of Lantana camara Essential Oils from Cote d'Ivoire.

Project description:This work aims to study the variations in the composition of Lantana camara leaf, flower, and stem essential oils over two years. L. camara organs were harvested in Bregbo (East Côte d'Ivoire) each month from June 2015 to June 2017. The essential oils were obtained by hydrodistillation and characterized by GC-MS and 13C NMR. Eighty-four compounds accounting for 84.4-99.1% of the essential oils have been identified. The essential oils hydrodistillated from L. camara are dominated by sesquiterpenes such as (E)-?-caryophyllene and ?-humulene, which were found in all samples. Some monoterpenes such as thymol, sabinene, and ?-pinene were also present. Statistical analysis (principal component analysis and clustering) revealed a high variability in essential oil composition between the different organs and also within the studied periods, as the thymol proportion was higher during flowering and fruiting months. In addition, the stem, flower, and fruit essential oils were more concentrated in thymol than the leaf essential oils. The proportions of (E)-?-caryophyllene and ?-humulene were strictly inverted with the thymol proportion throughout the harvest period or vegetative cycle. The antioxidant, anti-inflammatory and insecticidal activities of leaves and flowers essential oils were also studied. Results showed that L. camara leaf and flower essential oils displayed high antioxidant, anti-inflammatory and insecticidal activities.

| S-EPMC7287757 | biostudies-literature

Evaluation of pre-treatment methods for Lantana camara stem for enhanced enzymatic saccharification.

Project description:This study evaluates certain pre-treatment methods for Lantana camara stem for efficient conversion to fermentable sugars. The composition analysis of L. camara stem showed 66.8% (w/w) holocellulose, 34.9% (w/w) cellulose and 17% (w/w) hemicellulose. Comparative analysis of various chemical, physical or physico-chemical pre-treatments on L. camara stem was performed. Of all pretreatment methods used, pre-treatment with 1% (v/v) H2SO4 assisted autoclaving gave maximum total reducing sugar yield 132.7 mg/g (13.2 g/L) of raw biomass in pretreated hydrolysate. Major contribution to total reducing sugar was from hemicellulosic fraction, because total pentose sugar yield was 119.4 mg/g of raw biomass whereas, glucose released was only 10 mg/g of untreated biomass. The enzymatic saccharification of pre-treated L. camara stem by 1% (v/v) H2SO4 assisted autoclaving was performed with partially purified carboxymethylcellulase from Bacillus amyloliquefaciens SS35. Enzymatic saccharification at 30 °C for 48 h gave total reducing sugar yield, 63.3 mg/g of pre-treated biomass in the hydrolysate, while untreated biomass gave 43.3 mg/g of untreated biomass. The total sugar yield i.e. the sum of pre-treated biomass hydrolysate total reducing sugar (132.7 mg/g of raw biomass) and enzymatic hydrolysate total reducing sugar (63.3 mg/g of pre-treated biomass) was 196.0 mg/g of raw biomass, indicating the effectiveness of pre-treatment method. Field emission scanning electron microscopy, Fourier transform infrared and X-ray diffraction analyses displayed enhanced porosity, removal of non-cellulosic sugars and increased cellulose crystallinity, respectively, in pre-treated L. camara stem, showing the effectiveness of acid assisted autoclaving pre-treatment.

| S-EPMC6949356 | biostudies-literature

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