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30 results for “Alkanna”
Alkanna tinctoria (L.) Tausch roots in different soils and developmental stages, HPLC peak areas of alkannins/shikonins
<p>Table of peak areas of alkannins detected in the HPLC-UV/Vis analysis of extracts of <em>Alkanna tinctoria</em> (L.) Tausch root samples cultivated in the greenhouse in various soils. Samples come from four different stages of plant growth.</p>
FIGURE 4 in The comparative study of Alkanna and Huynhia (Boraginaceae, Lithospermeae), with description of a new species in Iran
FIGURE 4. Huynhia pulchra (Willd. ex Roem. & Schult.) Greuter & Burdet (Ranjbar 22016, BASU).
FIGURE 12 in The comparative study of Alkanna and Huynhia (Boraginaceae, Lithospermeae), with description of a new species in Iran
FIGURE 12. Open corolla, anther position, style and stigma in Alkanna, Huynhia and Arnebia. A) Alkanna semiromica (Ranjbar 30880); B) Alkanna frigida (Khatamsaz 2002); C) Huynhia pulchra (Ranjbar 22016) D) Arnebia linearifolia (Coppi et al. 2015). Scale bar: A–B, corollas = 5 mm, styles = 3 mm; C, corolla = 10 mm, style = 3 mm; D, corolla = 20 mm, style = 2 mm. Drawn by: S. Khalvati.
FIGURE 3 in The comparative study of Alkanna and Huynhia (Boraginaceae, Lithospermeae), with description of a new species in Iran
FIGURE 3. Huynhia pulchra (Willd. ex Roem. & Schult.) Greuter & Burdet (Willdenow s.n., B) (reproduced with permission).
FIGURE 10 in The comparative study of Alkanna and Huynhia (Boraginaceae, Lithospermeae), with description of a new species in Iran
FIGURE 10. Alkanna semiromica (Ranjbar 30880). A) habit; B) stem & inflorescence; C) corolla; D) calyx; E) style. Drawn by: S. Khalvati.
FIGURE 7 in The comparative study of Alkanna and Huynhia (Boraginaceae, Lithospermeae), with description of a new species in Iran
FIGURE 7. Huynhia purpurea (H. Sümbül 3028). A) whole plant; B) calyx; C–D) corolla; E) style. Drawn by: S. Khalvati.
FIGURE 6 in The comparative study of Alkanna and Huynhia (Boraginaceae, Lithospermeae), with description of a new species in Iran
FIGURE 6. Distribution range of Huynhia (the dashed lines) and closely compared species of H. pulchra (triangles), H. purpurea (squares), Alkanna frigida (circles), and A. semiromica (star).
FIGURE 8 in The comparative study of Alkanna and Huynhia (Boraginaceae, Lithospermeae), with description of a new species in Iran
FIGURE 8. Huynhia purpurea (Erik & Sümbül) L. Cecchi & Selvi (H. Sümbül 3028, HUB) (Reproduced with permission).
FIGURE 5 in Alkanna malatyana (Boraginaceae), a new species from East Anatolia, Turkey
FIGURE 5. Alkanna kotschyana: A—habit and habitat, B—flowers; Alkanna confusa: C— habit and habitat, D—flowers.
FIGURE 3 in Alkanna malatyana (Boraginaceae), a new species from East Anatolia, Turkey
FIGURE 3. Alkanna malatyana: A—habit in flowering time, B—habit in fruiting time, C—flowering stem, D—flowers, E—fruiting stem; F—distribution map of: Alkanna malatyana (*), and Alkanna mughlae (•); G-habitat of Alkanna malatyana.
FIGURE 1 in Alkanna malatyana (Boraginaceae), a new species from East Anatolia, Turkey
FIGURE 1. Alkanna malatyana: A—habit, B—flowers, C-indumentum of stem, D—indumentum of leaves (drawing by Hasan Yıldırım), E and F—SEM photographs of nutlet and nutlet surface, G and H—SEM photographs of pollen grain (details from the holotype).
Fig. 7. Superimposed 3D in Structure and activity of a novel robust peroxidase from Alkanna frigida cell culture
Fig. 7. Superimposed 3D structure of HRP-C (in brown) on A) 1AP2 and B) POXalf. (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
Fig. 6. A in Structure and activity of a novel robust peroxidase from Alkanna frigida cell culture
Fig. 6. A) RMSD and B) RMSF plots obtained from the analysis of MD simulations (120 ns) of POXalf model.
Fig. 5. A in Structure and activity of a novel robust peroxidase from Alkanna frigida cell culture
Fig. 5. A) Approved 3D model of POXalf (residues 61–75 are 80% transparent). B) Topology of helices in 3D structures of POXalf and HRP (PDB:1HCH). C) Stereo environments of distal and proximal Ca ions in POXalf structure.
Fig. 3. A in Structure and activity of a novel robust peroxidase from Alkanna frigida cell culture
Fig. 3. A) The 2-D gel IEF of POXalf. B) Optimal pH of activity, C) optimal temperature of activity, and D) the thermal stability of POXalf in the presence of phenol (●) and guaiacol (▴). The average of triple assays of POXsolution (stored at 4 ◦ C) activity in the presence of phenol on E) day 1 and F) day 720. All the phenol (8.6 mM) alf and guaiacol (5 mM) reactions were carried out in PBS (10 mM) in the presence of constant amounts of POXalf (65.35 nM) and H2O2 (6.76 mM). Constant pH of 7 and 6 (for phenol and guaiacol, respectively) and constant temperature (20 ± 1 ◦ C) were applied when needed. POXwas maintained 10 min at the desired pH and alf temperature prior to the assays for the stability examinations.
Fig. 2. A in Structure and activity of a novel robust peroxidase from Alkanna frigida cell culture
Fig. 2. A) SDS-PAGE of purified POXalf [lane1: Ladder, lane2:HRP, lanes3,4&5: POXalf] stained by Coomassie blue (left) and silver nitrate (right). Chromatograms of POXalf purification on B) size exclusion column [Sephadex G50, pH 6] and C) ion-exchange column [S-Sepharose, pH 6, NaCl 0.2 M]. D) UV–Visible spectrum of purified POXalf. (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
Fig. 1. A in Structure and activity of a novel robust peroxidase from Alkanna frigida cell culture
Fig. 1. A) A. frigida callus at the end of a 31- day subculture and B) its corresponding growth profile. C) POX production in the calluses of A. frigida [A.f], Arnebia euchroma [A.e], Lithospermum officinale [L.o], Onosma dasytrichum [O.d], and Nonea caspica [N.c]. D) POX (filled columns) and CAT (dashed columns) activities in the extract of A. frigida callus during a 31-day subculture. The subcultures were carried out on solid MS medium containing kinetin (10 μM), 2,4-D (1 μM), and sucrose (5% w/v) in darkness at 25 ◦ C. See the experimental section for the enzymatic assays conditions.
FIGURE 11 in The comparative study of Alkanna and Huynhia (Boraginaceae, Lithospermeae), with description of a new species in Iran
FIGURE 11. Alkanna semiromica Ranjbar & Khalvati (Ranjbar 30880, BASU).
FIGURE 9 in The comparative study of Alkanna and Huynhia (Boraginaceae, Lithospermeae), with description of a new species in Iran
FIGURE 9. Alkanna frigida Boiss. (Kotschy 573, G) (reproduced with permission).
FIGURE 1 in A new endemic species of Alkanna (Lithospermeae: Boraginaceae) from hilly environments of west Iran
FIGURE 1. Distribution of Alkanna assadii sp. nov. Map by Farzaneh Khajoei Nasab.
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