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44 results for “crucifers”
FIGURE 1 in Hesperis sivasica (Brassicaceae), A new crucifer species from inner Anatolia
FIGURE 1. Phylogenetic placement of Hesperis sivasica based on Internal Transcribed Spacers (ITS) sequences. Bayesian posterior probabilities (> 0.5) are shown above branches Species that are morphologically or phylogenetically closely related to H. sivasica are shown in bold.
FIGURE 2 in Hesperis sivasica (Brassicaceae), A new crucifer species from inner Anatolia
FIGURE 2. General view of Hesperis sivasica. A) Habitus, B) Basal leaves, C) Flower, D) Fruits, E) Rhizomes, F) Habitat.
FIGURE 5 in Hesperis sivasica (Brassicaceae), A new crucifer species from inner Anatolia
FIGURE 5. Distribution map of H. sivasica (red circle), H. kotschyi (blue circle), H. bottae (orange circle), and H. thyrsoidea (green circle). The highlighted green area shows the Anatolian Diagonal.
FIGURE 3 in Noccaea birolmutlui, a New Crucifer Species from South West Anatolia, Turkey
FIGURE 3. Noccaea birolmutlui: A. Basal leaves; C. Cauline leaves; E. Fruits. N. ochroleuca: B. Basal leaves; D. Cauline leaves; F. Fruits.
FIGURE 2 in Noccaea birolmutlui, a New Crucifer Species from South West Anatolia, Turkey
FIGURE 2. General view of Noccaea birolmutlui and N. ochroleuca. A–B. N. birolmutlui C. N. ochroleuca
FIGURE 1 in Noccaea birolmutlui, a New Crucifer Species from South West Anatolia, Turkey
FIGURE 1. Phylogenetic tree of tribe Coluteocarpae based on the Bayesian analysis of the ITS data. Posterior probability values> 0.5 are shown at the nodes. Taxon names follow concept presented in BrassiBase (https://brassibase.cos.uniheidelberg.de/).
FIGURE 1 in The tadpole of Rhinella crucifer (W -N , 1821) (Amphibia: Anura: Bufonidae) from southern Bahia, Brazil
FIGURE 1. Rhinella crucifer tadpole at stage 34 (A) Dorsal view; (B) lateral view; (C) ventral view; (D) oral disc. Specimen from Reserva Ecológica da Michelin, Igrapiúna, Bahia, Brazil.
Fig. 2 in Comparison of glucosinolate diversity in the crucifer tribe Cardamineae and the remaining order Brassicales highlights repetitive evolutionary loss and gain of biosynthetic steps
Fig. 2. The essence of glucosinolate (GSL) biosynthesis as imagined for the presumably ancient 2-methylpropylGSL and a β-hydroxylated derivative, 2-hydroxy-2-methylpropylGSL. The three steps between the CYP83 product and thiohydroximic acid in general GSL biosynthesis involves glutathione, serving as the donor of sulfur. The illustrated hypothetic pathway is based on the known biosynthetic pathway of more recently evolved GSLs (Sønderby et al., 2010).
Fig. 8 in Comparison of glucosinolate diversity in the crucifer tribe Cardamineae and the remaining order Brassicales highlights repetitive evolutionary loss and gain of biosynthetic steps
Fig. 8. Biochemical aspects of aliphatic side chain oxidation of glucosinolates (GSLs). A. Biosynthesis of three well-investigated GSLs, all involving enzymes of the class "2-oxoglutarate-dependent dioxygenases", although the case of BAR biosynthesis is still tentative (Byrne et al., 2017). B. Conserved metabolism of an OAT into the corresponding oxazolidine-2-one (OAO) in three Brassicales species (Barbarea vulgaris, Nasturtium officinale and Reseda luteola). MYR, myrosinase; GS-OH, glucosinolate hydroxylating enzyme; GRS, glucoraphasatin synthase.
Fig. 7 in Comparison of glucosinolate diversity in the crucifer tribe Cardamineae and the remaining order Brassicales highlights repetitive evolutionary loss and gain of biosynthetic steps
Fig. 7. Stages in the biosynthesis of parent glucosinolates (GSLs) without (A) or with (B) chain elongation of the precursor standard amino acid. A CYP79 enzyme catalyzes the first reaction in the known (cytosolic) core structure biosynthesis pathways, followed by six enzymatic steps constituting the remaining core structure biosynthesis pathway, abbreviated "r. csb". For GSLs without chain elongation (A), the CYP79 catalyzed reaction is the committed step. For GSLs needing chain elongation (B), however, the chain elongation machinery as well as transport ("T") across the chloroplast membrane and reversible amino transferase reactions collectively constitute the committed step, illustrated as a box-like reaction arrow containing the individual reactions.
Fig. 4 in Comparison of glucosinolate diversity in the crucifer tribe Cardamineae and the remaining order Brassicales highlights repetitive evolutionary loss and gain of biosynthetic steps
Fig. 4. All glucosinolates (GSLs) derived from aliphatic amino acids known from the tribe Cardamineae. The constant part of the GSLs is abbreviated GSL in most structures and exemplified in case of 107. Abbreviations of individual GSLs follow a comprehensive system explained in the text (Section 1.1.); spaces have occasionally been inserted in some long names and abbreviations for easier reading. BCAA; branched chain amino acid.
Fig. 1 in Comparison of glucosinolate diversity in the crucifer tribe Cardamineae and the remaining order Brassicales highlights repetitive evolutionary loss and gain of biosynthetic steps
Fig. 1. An archetypic glucosinolate-myrosinase system, leading to an isothiocyanate (A) and an oxazolidine-2-thione (B) from myrosinase-catalyzed hydrolysis of two ancient glucosinolates, 11 and 31. The hydrolysis reactions are unbalanced; water is an additional reactant and glucose, sulfate and hydrogen ion are also released during the myrosinase-catalyzed hydrolysis. A rearrangement precedes the formation of isothiocyanate (Blaˇzevi´c et al., 2020).
Fig. 3 in Comparison of glucosinolate diversity in the crucifer tribe Cardamineae and the remaining order Brassicales highlights repetitive evolutionary loss and gain of biosynthetic steps
Fig. 3. All glucosinolates (GSLs) derived from aromatic amino acids known from the tribe Cardamineae. The constant part of the GSLs is abbreviated GSL in most structures and exemplified in case of 11, a similar system is used for 6′-isoferuloylated GSLs as exemplified for 129. Abbreviations of individual GSLs follow a comprehensive system systematically explained in an accompanying paper (Agerbirk et al., 2021); spaces have occasionally been inserted in some long names and abbreviations for easier reading. The semisystematic name of "glucobarbarin" is (S)-2-hydroxy-2-phenylethylGSL, and for "epiglucobarbarin" it is (R)-2-hydroxy-2-phenylethylGSL.
Fig. 6 in Comparison of glucosinolate diversity in the crucifer tribe Cardamineae and the remaining order Brassicales highlights repetitive evolutionary loss and gain of biosynthetic steps
Fig. 6. Aspects of glucosinolate (GSL) evolution in the order Brassicales with focus on the tribe Cardamineae. A. Phylogeny matched with GSL structural or biosynthetic features. Structural and biochemical features of GSL profiles of the respective species are indicated as deduced precursor amino acids and deduced modification of parent GSLs from the various precursors. Categories are based on GSL profiles as in Fig. 5C, but interpreted in a biosynthetic context. Presence of para- hydroxylated phenyl groups can potentially be due to either use of a specific precursor amino acid (Tyr or homoTyr) or a specific modification (para-hydroxylation), and is hence shown in an intermediate position, with the relevant backbones shown in B. Panel C shows the deduced modification steps. For the phylogeny in A, phylogenetic relationships based on Bayesian inference (MrBayes) of ITS regions were calculated for a subset of species from Brassicaceae and using Reseda (Resedaceae) as outgroup. Labels for B. vulgaris (group 3, group 7) refer to the ITS sequence pools listed in Agerbirk et al., (in review). Bootstrap values from 1000 replicates are shown for Bayesian and maximum-likelihood inference, respectively. Side-chain modification exclusively known from n-homoMet derived GSLs (Fig. 5B) is left out for space-considerations. For GSL profile data, group 7 of B. vulgaris was assumed to represent ssp. vulgaris.
Fig. 5 in Comparison of glucosinolate diversity in the crucifer tribe Cardamineae and the remaining order Brassicales highlights repetitive evolutionary loss and gain of biosynthetic steps
Fig. 5. Structural redundancy and innovation in glucosinolate (GSL) biodiversity. A. Representative GSL structures categorized as ancient due to presence in nonBrassicaceae members of the order Brassicales. The poorly known status for a substituted Trp-derived is indicated (see text). B. Representative GSLs from three derived families (Capparaceae, Cleomaceae and Brassicaceae) with a simplified indication of the biosynthetic connections of n-homoMet derived GSLs. C. Distribution of three groups of GSLs in selected members of the tribes Cardamineae, Arabideae and Brassiceae. The first group, those illustrated in panel A, seem to be due to ancient or recapitulated biosynthesis. The second group seem to be of intermediate age, the n-homoMet derived are pooled for space considerations. Possibly, the 4-substituted Trp derived 4moIM (48) and homoIle derived 54 and 29 also belongs to this group. The third group is deduced to represent recently evolved biosyntheses, as discussed in text, and the GSLs are illustrated in panel D. The category "Present" in panel C indicates one or more conclusive demonstrations of the relevant GSL, while "Tested, not reported" means that relevant organs have been tested using relevant methods, yet the GSL was not reported, although explicit search for the GSL was not necessarily reported. Hence we could not conclude the GSL to be "not found", although this would be the simplest interpretation. The category "Circumstantial evidence" means that reasonable but not conclusive evidence for the relevant GSL has been published, while the category "Insufficent or missing data" means that relevant organs (roots for substituted Trp-derived and seeds for SGlc-acylated) have not been sufficiently investigated using methods with demonstrated ability to reveal the GSL in question.
Data from: Contact zone dynamics during early stages of speciation in a chorus frog (Pseudacris crucifer)
Open the record for dataset details and reuse information.
Data from: Synergistic effects of direct and indirect defences on herbivore egg survival in a wild crucifer
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FIGURE 4 in Aethionema gypsicola, a new crucifer species from inner Anatolia, Turkey
FIGURE 4. Herbarium view of A. gypsicola and A. dumanii. A–B. A. gypsicola, C. A. dumanii.
FIGURE 3 in Aethionema gypsicola, a new crucifer species from inner Anatolia, Turkey
FIGURE 3. General view of A. gypsicola and A. dumanii. A–B–C–D. A. gypsicola, E. A. dumanii.
FIGURE 9 in Aethionema gypsicola, a new crucifer species from inner Anatolia, Turkey
FIGURE 9. Distribution of A. gypsicola () and A. dumanii ().
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International Brain Laboratory public data
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OpenNeuro
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