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119 results for “Scoparia”
Data from: Chromosome scale genome assemblies and annotations for Poales species Carex cristatella, Carex scoparia, Juncus effusus and Juncus inflexus
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A dicamba resistance endowing IAA16 mutation leads to significant vegetative growth defects and impaired competitiveness in kochia (Bassia scoparia)
<p class="CxSpFirst"><span>Precise quantification of the fitness cost of synthetic auxins resistance has been impeded by lack of knowledge for the genetic basis of resistance in weeds. Recent elucidation of a resistance endowing IAA16 mutation (G73N) in a key weed species kochia (<i>Bassia scoparia</i>), allows detailed characterization of the contribution of resistance alleles to weed fitness, both in the presence and absence of herbicides.<b> </b>Different G73N genotypes from a segregating resistant parental line (9425) were characterized for cross resistance to dicamba, 2,4-D and fluroxypyr, and changes on stem/leaf morphology and plant architecture. Plant competitiveness and dominance of the fitness effects was quantified through measuring biomass and seed production of three F<sub>2</sub> lines in two runs of glasshouse replacement series studies. G73N confers robust resistance to dicamba but only moderate to weak resistance to 2,4-D and fluroxypyr. G73N mutant plants displayed significant vegetative growth defects: 1) being 30-50% shorter with a more tumbling style plant architecture; 2) had thicker and more ovate (versus lanceolate and linear) leaf blades with lower photosynthesis efficiency, and 40-60% smaller stems with less developed vascular bundle systems. F<sub>2 </sub>mutant plants had impaired plant competitiveness, which produced up to 90% less biomass and seeds in the replacement series study. The pleiotropic effects of G73N was mostly semi-dominant (0.5) and fluctuated with the environments and traits measured. G73N is associated with significant vegetative growth defects and reduced competitiveness in synthetic auxin resistant kochia. Management practices should target resistant kochia's high vulnerability to competition to effectively contain the spread of resistance.</span></p>
Data from: Gene amplification of 5-enol-pyruvylshikimate-3-phosphate synthase in glyphosate-resistant Kochia scoparia
The widely used herbicide glyphosate inhibits the shikimate pathway enzyme 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS). Globally, the intensive use of glyphosate for weed control has selected for glyphosate resistance in 31 weed species. Populations of suspected glyphosate-resistant Kochia scoparia were collected from fields located in the US central Great Plains. Glyphosate dose response verified glyphosate resistance in nine populations. The mechanism of resistance to glyphosate was investigated using targeted sequencing, quantitative PCR, immunoblotting, and whole transcriptome de novo sequencing to characterize the sequence and expression of EPSPS. Sequence analysis showed no mutation of the EPSPS Pro106 codon in glyphosate-resistant K. scoparia, whereas EPSPS genomic copy number and transcript abundance were elevated three- to ten-fold in resistant individuals relative to susceptible individuals. Glyphosate-resistant individuals with increased relative EPSPS copy numbers had consistently lower shikimate accumulation in leaf disks treated with 100 μM glyphosate and EPSPS protein levels were higher in glyphosate-resistant individuals with increased gene copy number compared to glyphosate-susceptible individuals. RNA sequence analysis revealed seven nucleotide positions with two different expressed alleles in glyphosate-susceptible reads. However, one nucleotide at the seven positions was predominant in glyphosate-resistant sequences, suggesting that only one of two EPSPS alleles was amplified in glyphosate-resistant individuals. No alternatively spliced EPSPS transcripts were detected. Expression of five other genes in the chorismate pathway was unaffected in glyphosate-resistant individuals with increased EPSPS expression. These results indicate increased EPSPS expression is a mechanism for glyphosate resistance in these K. scoparia populations.
Carex scoparia Schkuhr ex Willd. (BR0000015240590V)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Carex scoparia Schkuhr ex Willd. (BR0000014457661)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Table 1 in DNA barcoding and morphology reveal exceptional species diversity of Scoparia (Lepidoptera: Crambidae) from the Hailuogou Glacier area, China
<p><b>Table 1.</b> Percentage of divergence in the cytochrome <i>c</i> oxidase subunit I (<i>COI</i>) gene sequences of the Scoparia species with out-groups</p><table><tbody><tr><th></th><th></th><th>1</th><th>2</th><th>3</th><th>4</th><th>5</th><th>6</th><th>7</th><th>8</th><th>9</th><th>10</th><th>11</th></tr></tbody><tbody><tr><th>1</th><td><i>Eudonia hexamera</i></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><th>2</th><td><i>Eudonia puellaris</i></td><td>6.7</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><th>3</th><td><b><i>Scoparia simplicissima</i> sp. nov.</b></td><td>7.9–8.2</td><td>7.9–8.1</td><td><b>0–0.3</b></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><th>4</th><td><b><i>Scoparia tribulosa</i> sp. nov.</b></td><td>8.7–9.3</td><td>10.5–11.0</td><td>6.2–6.9</td><td><b>0–0.5</b></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><th>5</th><td><b><i>Scoparia longispina</i> sp. nov.</b></td><td>8.4–8.7</td><td>8.9–9.2</td><td>5.1–6.2</td><td>6.4–7.3</td><td><b>0–1.5</b></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><th>6</th><td><b><i>Scoparia gibbosa</i> sp. nov.</b></td><td>8.0–9.3</td><td>8.7–10.0</td><td>6.2–7.4</td><td>7.3–8.8</td><td>5.6–7.5</td><td><b>0–1.7</b></td><td></td><td></td><td></td><td></td><td></td></tr><tr><th>7</th><td><i>Scoparia metaleucalis</i></td><td>9.7–10.8</td><td>10.8–11.7</td><td>8.2–9.6</td><td>10.8–12.4</td><td>9.1–9.9</td><td>10.1–11.8</td><td><b>0–1.5</b></td><td></td><td></td><td></td><td></td></tr><tr><th>8</th><td><i>Scoparia jiuzhaiensis</i></td><td>9.2–9.7</td><td>9.1–9.6</td><td>8.4–8.9</td><td>9.4–10.5</td><td>10.5–10.8</td><td>9.1–10.2</td><td>13.0–14.0</td><td><b>0–0.8</b></td><td></td><td></td><td></td></tr><tr><th>9</th><td><i>Scoparia brevituba</i></td><td>9.9–10.1</td><td>9.9–10.1</td><td>9.8–10.0</td><td>10.3–11.0</td><td>11.0–11.9</td><td>9.8–11.2</td><td>12.1–13.3</td><td>7.2–7.9</td><td><b>0–0.2</b></td><td></td><td></td></tr><tr><th>10</th><td><b><i>Scoparia globosa</i> sp. nov.</b></td><td>7.9–8.5</td><td>7.7–8.2</td><td>7.7–8.7</td><td>9.9–11.2</td><td>9.3–9.9</td><td>7.4–8.6</td><td>10.5–11.5</td><td>7.5–8.2</td><td>9.6–10.3</td><td><b>0–0.6</b></td><td></td></tr><tr><th>11</th><td><b><i>Scoparia annulata</i> sp. nov.</b></td><td>8.0–9.2</td><td>8.7–9.8</td><td>7.5–8.9</td><td>9.6–11.2</td><td>8.7–10.1</td><td>7.5–10.1</td><td>11.0–12.4</td><td>6.9–8.2</td><td>8.4–9.8</td><td>6.4–7.9</td><td>0–1.7</td></tr></tbody></table><p>All genetic distances (%) were corrected with the Kimura two-parameter (K2P) substitution model using MEGA 5; extreme values of intraspecific and interspecific distances are given (the numbers in bold are the intraspecific distances).</p>
Bassia scoparia (L.) Voss (BR0000012518388)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Bassia scoparia (L.) Voss (BR0000011905820)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Bassia scoparia (L.) Voss (BR0000012291380)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Bassia scoparia (L.) Voss (BR0000012291465)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Bassia scoparia (L.) Voss (BR0000014457371)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Bassia scoparia (L.) Voss (BR0000005385577)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
A dicamba resistance endowing IAA16 mutation leads to significant vegetative growth defects and impaired competitiveness in kochia (Bassia scoparia)
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Data from: Gene amplification of 5-enol-pyruvylshikimate-3-phosphate synthase in glyphosate-resistant Kochia scoparia
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Analysis of gene expression changes induced in adipose tissue by an extract of Artemisia scoparia in high-fat diet-induced obese male mice
GEO Series GSE113808. Mus musculus. 16 samples. Type: Expression profiling by array.
Enhanced metabolic detoxification is associated with fluroxypyr resistance in Bassia scoparia
GEO Series GSE179578. Bassia scoparia. 27 samples. Type: Expression profiling by high throughput sequencing.
Figs. 3–5 in A new species of the genus Scoparia Haworth, 1811 (Lepidoptera: Pyraloidea, Crambidae) from the Transcaucasia
Figs. 3–5. Scoparia sinevi sp. n. 3, 4 – male genitalia: 3 – armature genitals; 4 – aedeagus;
FIGURE 2 in Additions to Peroneutypa (Diatrypaceae, Xylariales): Introducing P. nayariophyti sp. nov. and new host associations of P. scoparia from northern Thailand
FIGURE 2. The splits graph from the pairwise homoplasy index (PHI) test from the ITS and tub2 combined dataset of Peroneutypa nayariophyti and related taxa. The PHI test (Φw) <0.05 represents significant recombination among the dataset. The novel taxon is indicated with a square node edge in blue.
FIGURE 7 in Scoparia juldusellus (Caradja, 1916), a little-known snout moth species new to the fauna of Kyrgyzstan (Lepidoptera: Crambidae: Scopariinae)
FIGURE 7. Distribution of Scoparia juldusellus.
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