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263 results for “acacia”
Data from: Partner diversity and identity impacts on plant productivity in Acacia-rhizobial interactions
1.Genetic variation for functionally important traits is ubiquitous in communities of nitrogen-fixing rhizobia, and while some studies have described significant effects of diversity on the functioning of plant-associated microbial communities, we lack a systematic test of how rhizobial diversity influences plant productivity. 2. The complexity of potential interactions among rhizobia and plants complicates the development of general predictions regarding causal relationships between rhizobial diversity and plant productivity. For example, while rhizobial complementarity may result in positive associations between symbiont diversity and plant productivity, antagonistic competition may reduce rhizobial community function. 3. Using two widespread native Australian Acacia species (A. salicina, A. stenophylla) and experimental rhizobial communities derived from 16 bacterial genotypes naturally associated with these hosts, we examined how the provision of mutualistic benefit varies with rhizobial identity, diversity and phylogenetic relatedness. 4. Analysis of plant performance in relation to rhizobial genotypic richness revealed that the presence of multiple rhizobial genotypes in the rhizosphere was associated with a general decrease in plant productivity compared to growth with single rhizobial genotypes. Importantly, these results appear to be robust in the face of variation in host identity and host diversity (i.e. one or two species mixtures). We also found that rhizobial genotypic identity and host species significantly influenced plant productivity in Acacia-rhizobia interactions, both in single and multi-strain inoculations. 5. Synthesis. Together, our data show that multiple rhizobia interacting with a single host species creates opportunities for emergent or higher-order effects that extend beyond those that could be simply predicted based upon outcomes of pairwise interactions, and that increased mutualist diversity does not necessarily translate into positive effects on plant growth.
FIGURE 1 in Description of Nemophora acaciae sp. nov. (Lepidoptera: Adelidae) from Kenya
FIGURE 1. Nemophora acaciae sp. nov., male, holotype.
FIGURE 2 in Description of Nemophora acaciae sp. nov. (Lepidoptera: Adelidae) from Kenya
FIGURE 2. Nemophora acaciae sp. nov., female, paratype.
FIGURE 9 in Description of Nemophora acaciae sp. nov. (Lepidoptera: Adelidae) from Kenya
FIGURE 9. Nemophora acaciae sp. nov., larval case with exuvia.
Figure 4 in Phylogenetic measures of biodiversity and neo- and paleo-endemism in Australian Acacia
Figure 4 | Map (a) and cluster analysis (b) showing phylogenetic similarity relationships among centres of endemism for Australian Acacia. The cluster analysis used PD-dissimilarity and a phylo-jaccard metric with link-average linkage. Areas that cluster closely, indicating that they share many branches of their phylogenetic subtrees, are shown in the same colour and lettered for reference in the text. The number given by each letter is the proportion of grid cells in that cluster that are at least partly covered by currently protected areas; Eand F, the most poorly protected, are marked with an asterisk. The arrows on the map point to the grid cells in clusters Eand F that lie completely outside of protected areas and are thus of highest conservation concern.
Figure 1 in Phylogenetic measures of biodiversity and neo- and paleo-endemism in Australian Acacia
Figure 1 | Maps showing basic biodiversity patterns in Australian Acacia. (a) SR; (b) WE; (c) PD; and (d) PE.
Supplementary files for manuscript: Acacia organelle genome assembly
<p>Supplementary files to accompany manuscript regarding genome assembly of organelles from <em>Acacia pycnantha. </em></p> <p>This manuscript assembles a mitochondrial genome (the mitome) and a chloroplast genome (the plastome). Results are referred to in the manuscript, and included here. </p> <p>For each organelle genome, there are 14 assemblies in fasta format, and associated GFA format file if available (not all stages produce this file), as well as the Spades GFA from Unicycler. For each Unicycler assembly there is a set of annotation files that include GenBank and GFF3 formats, and outputs from HMMER, ARAGORN, and tRNAscan-SE. There is also a bam file of reads mapped to alternate assembly paths for the mitome to explore the 90 Kbp contig of interest. A copy of the assembly script (assembler.sh) is included and is also available at this repository - https://github.com/AnnaSyme/organelle-assembly - with instructions on how to run the script and the required inputs and tools.</p> <p>(This Zenodo version is an update, with some duplicated files removed from the annotation folders, and information about the files now included.) </p>
Figure 8 from: Abdullah E, Taha S, Sulaiman N, Ahmed M (2022) Impact of acacia arabica topical gel on skin wound healing: An experimental study. Pharmacia 69(1): 77-83. https://doi.org/10.3897/pharmacia.69.e72595
Figure 8 Skin 5% acacia gel group at14 days, good epithelialization with keratinization 10× power of magnification.
Figure 4 from: Abdullah E, Taha S, Sulaiman N, Ahmed M (2022) Impact of acacia arabica topical gel on skin wound healing: An experimental study. Pharmacia 69(1): 77-83. https://doi.org/10.3897/pharmacia.69.e72595
Figure 4 Skin specimen 5% acacia gel group at 3 days, shows epithelialization covering the complete incision.
Figure 2 from: Abdullah E, Taha S, Sulaiman N, Ahmed M (2022) Impact of acacia arabica topical gel on skin wound healing: An experimental study. Pharmacia 69(1): 77-83. https://doi.org/10.3897/pharmacia.69.e72595
Figure 2 Skin specimen first day A- control group, B- 5% Acacia gel shows epithelialization (10× power with hematoxylin and eosin stain).
Figure 7 from: Abdullah E, Taha S, Sulaiman N, Ahmed M (2022) Impact of acacia arabica topical gel on skin wound healing: An experimental study. Pharmacia 69(1): 77-83. https://doi.org/10.3897/pharmacia.69.e72595
Figure 7 Skin control group at 14 days, mild epithelialization of full incision without keratin 40x power of magnification.
Figure 6 from: Abdullah E, Taha S, Sulaiman N, Ahmed M (2022) Impact of acacia arabica topical gel on skin wound healing: An experimental study. Pharmacia 69(1): 77-83. https://doi.org/10.3897/pharmacia.69.e72595
Figure 6 Skin 5% acacia gel group at 7days, good epithelialization whole incision but uneven, A- 40× Magnification power, B- 10× Magnification.
Figure 5 from: Abdullah E, Taha S, Sulaiman N, Ahmed M (2022) Impact of acacia arabica topical gel on skin wound healing: An experimental study. Pharmacia 69(1): 77-83. https://doi.org/10.3897/pharmacia.69.e72595
Figure 5 Skin specimen control group at 7days, epithelialization bridge entire incision but uneven. A- with40× Magnification power, B- 10× Magnification power.
Figure 3 from: Abdullah E, Taha S, Sulaiman N, Ahmed M (2022) Impact of acacia arabica topical gel on skin wound healing: An experimental study. Pharmacia 69(1): 77-83. https://doi.org/10.3897/pharmacia.69.e72595
Figure 3 Skin specimen control group at 3days, incision with granulation tissue present (10× power with hematoxylin and eosin stain).
Western Australian distribution of Acacia saligna
<p><span>Comments were presented on an article published in October 2020 in <i>Ecology and Evolution </i>("Predictive ability of a process-based versus a correlative species distribution model") by Higgins et al. This analyzed natural distributions of Australian eucalypt and acacia species and assessed the adventive range of selected species outside Australia.</span></p> <p><span>Unfortunately, inappropriate variables were used with the example MaxEnt species distribution model of <i>Acacia saligna</i> when applied outside Australia, so that large climatically suitable areas in the Mediterranean area of the Northern Hemisphere were not identified.</span></p> <p><span>To illustrate the problem, data from the natural distribution of <i>A. saligna</i> in Western Australia were accessed using the spatial portal of the Atlas of Living Australia (ALA, spatial.ala.org.au). The MaxEnt analysis method available in the ALA was used to show that large areas of the Mediterranean Basin are climatically suitable for <i>A. saligna</i>.</span></p>
Fig. 30. Crematogaster acaciae Forel, 1892 in Faunal composition, diversity, and distribution of ants (Hymenoptera: Formicidae) of Dhofar Governorate, Oman, with updated list of the Omani species and remarks on zoogeography
Fig. 30. Crematogaster acaciae Forel, 1892, syntype, worker (CASENT0908494, AntWeb.org (Zach Lieberman)). A. Body in profile. B. Head in full-face view. C. Distribution map.
Fig. 1 in Seasonal abundance and diversity of arthropods on Acacia mangium (Fabales: Fabaceae) trees as windbreaks in the cerrado
Fig. 1. Abundance of phytophagous, natural enemies and pollinators arthropods on Acacia mangium trees during 3 years of sampling. Samplings occurred from 2005 to 2007.
Figure 4 from: Ebinghaus M, Maier W, Wingfield MJ, Begerow D (2018) New host associations and a novel species for the gall-inducing acacia rust genus Ravenelia in South Africa. MycoKeys 43: 1-21. https://doi.org/10.3897/mycokeys.43.25090
Figure 4 Infected host organs and spore images of R.xanthophloeae (A–H), R.natalensis (I), R. evansii (J) and R.macowaniana (K) A Infected individual of V.xanthophloea. Leaves were prematurely shed in comparison with uninfected trees B Telia on leaflets of V.xanthophloeaC SEM of an aeciospore showing scattered germpores D SEM of an urediniospore E Urediniospores seen in LM F SEM view of a teliospore of R.xanthophloeae. The arrows indicate irregularly arranged verrucose ornamentations G Telium of R.xanthophloeae seen in SEM H LM view of a teliospore. The arrow indicates irregularly arranged verrucose ornamentations I Teliospores of R.natalensis with long pedicels J SEM picture of median section of a teliospore of R.evansii. Arrows indicate 2-celled probasidial cells K LM picture of teliospores of R.macowaniana. Scale bars: 1 mm (B), 4 μm (C), 2 μm (D), 20 μm (E), 20 μm (F–H, J–K), 40 μm (I).
Figure 3 from: Ebinghaus M, Maier W, Wingfield MJ, Begerow D (2018) New host associations and a novel species for the gall-inducing acacia rust genus Ravenelia in South Africa. MycoKeys 43: 1-21. https://doi.org/10.3897/mycokeys.43.25090
Figure 3 Radarchart of mean values of the morphological investigations of teliospore characteristics of Raveneliamacowaniana originated from Vachelliakarroo (red), V.natalitia (green) and R.xanthophloeae on V.xanthophloea (blue). Numbers on y-axis represent the respective minimum and maximum values. This radarchart reveals the morphological differences between R.macowaniana and R.xanthophloeae.
Figure 1 from: Ebinghaus M, Maier W, Wingfield MJ, Begerow D (2018) New host associations and a novel species for the gall-inducing acacia rust genus Ravenelia in South Africa. MycoKeys 43: 1-21. https://doi.org/10.3897/mycokeys.43.25090
Figure 1 Phylogenetic reconstruction of Ravenelia species on different Vachellia hosts A Maximum likelihood tree with 1000 bootstrap repeats based on combined nrITS and LSU rDNA sequence data. Bootstrap values below 75 are not shown. Three highly supported groups represent R.evansii, R.macowaniana and R.xanthophloeae sp. nov., respectively. Specimens that originated from formerly unreported host species are highlighted in bold B Parsimony network analysis based on the same dataset as in the ML-analysis. Each line represents one base substitution while small circles represent intermediate but missing sequences. Numbers next to lines indicate the positions of the substitutions in the alignment. Sequences in rectangular boxes were inferred as ancestral by this analysis.
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