Leghaemoglobin oxygenation gradients in alfalfa and yellow sweetclover nodules. (1/9)
Respiration in support of N(2) fixation by rhizobia in legume root nodules depends on an adequate supply of O(2), but excessive O(2) can damage nitrogenase, the key enzyme. The movement of O(2) into and within the nodule is driven by gradients in the concentration of O(2) or in the oxygenation of the O(2)-carrier, leghaemoglobin. Steeper gradients may increase flux to the sites of respiration, but gradients also raise the possibility of inadequate O(2) in some nodule zones and excessive O(2) in others. No detailed study of O(2) gradients in the interior of nodules has been published previously. Spectral changes in leghaemoglobin with oxygenation, previously used to measure the average O(2) status of the nodule interior, were used to map longitudinal gradients in O(2) and in respiratory capacity in the elongated nodules of alfalfa (Medicago sativa L.) and sweetclover (Melilotus officinalis L.). Variability among nodules under air in the magnitude and direction of internal O(2) gradients was seen in both species. Despite consistently higher respiratory capacity near the meristematic tip, a majority of nodules had higher O(2) towards the tip than towards the base. These results contrast with a previous report, apparently based on limited data, but they are consistent with anatomical and tracer studies showing higher gas permeability near the tip. (+info)Allelopathy as a new strategy for sustainable ecosystems development. (2/9)
Natural products involved in plant-plant and plant-microorganism ecological interaction (Allelochemicals) are an important potential source for alternative agrochemicals and pharmaceuticals, in order to solve the many problems derived from inadequate culture practices and abuse of synthetic herbicides. Isolation, structural determination, bioassay techniques and applicability for these compounds in crop protection and pharmaceutical research are discussed, and future trends on Allelochemicals applications are examined. The new strategies for sustainable ecosystems controlled by allelochemicals offer a particular interest for the development of human bases in space, since these products can stimulate or inhibit plant germination and growth, and permit to develop crops with low residue amounts in water, facilitating wastewater treatment and recycling. (+info)The expression of MaEXP1, a Melilotus alba expansin gene, is upregulated during the sweetclover-Sinorhizobium meliloti interaction. (3/9)
Expansins are a highly conserved group of cell wall-localized proteins that appear to mediate changes in cell wall plasticity during cell expansion or differentiation. The accumulation of expansin protein or the mRNA for specific expansin gene family members has been correlated with the growth of various plant organs. Because expansin proteins are closely associated with plant cell wall expansion, and as part of a larger study to determine the role of different gene products in the legume-Rhizobium spp. symbiosis, we investigated whether a Melilotus alba (white sweetclover) expansin gene is expressed during nodule development. A cDNA fragment encoding an expansin gene (EXP) was isolated from Sinorhizobium meliloti-inoculated sweetclover root RNA by reverse-transcriptase polymerase chain reaction using degenerate primers, and a full-length sweetclover expansin sequence (MaEXP1) was obtained using 5' and 3' rapid amplification of cDNA end cloning. The predicted amino acid of the sweetclover expansin is highly conserved with the various alpha-expansins in the GenBank database. MaEXP1 contains a series of eight cysteines and four tryptophans that are conserved in the alpha-expansin protein family. Northern analysis and whole-mount in situ hybridization analyses indicate that MaEXP1 mRNA expression is enhanced in roots within hours after inoculation with S. meliloti and in nodules. Western and immunolocalization studies using a cucumber expansin antibody demonstrated that a cross-reacting protein accumulated in the expanding cells of the nodule. (+info)Reactive oxygen species scavenging activity of flavone glycosides from Melilotus neapolitana. (4/9)
One new and six known flavone glycosides were isolated from the MeOH extract of Melilotus neapolitana Ten. The new compound, identified as 7-O-beta-D-glucopyranosyloxy-4',5-dihydroxy-3-[O-alpha-L-rhamnopyranosyl-(1-->6)- 3-O-beta-D-glucopyranosyloxy]flavone (1) by 1D and 2D NMR techniques and mass spectra, was isolated along with kaempferol-3-O-rutinoside (2), kaempferol-3-O-glucoside (3), rutin (4), quercetin-3-O-glucoside (5), isorhamnetin-3-O-rutinoside (6), and isorhamnetin-3-O-glucoside (7). The antioxidant and radical scavenging activities of these compounds and the whole crude methanol extract were evaluated. The organic extract can inhibit MDA marker's synthesis by 57%. All the metabolites displayed good reducing power, with the kaempferol (2,3) and isorhamnetin derivatives (6,7) being less active than the corresponding quercetin derivatives 4,5. (+info)In vitro anti-inflammatory effects of different solution fractions of ethanol extract from Melilotus suaveolens Ledeb. (5/9)
BACKGROUND: Melilotus suaveolens Ledeb (M. suaveolens Ledeb) has long been used as a folk medicine in inflammation-related therapy. This study was undertaken to determine the anti-inflammatory effect of the plant. METHODS: Petroleum ether fraction, ethyl acetate fraction, n-butanol fraction, aqueous fraction were obtained from ethanol extract of M. suaveolens Ledeb and evaluated by high performance liquid chromatography (HPLC). While dexamethasone (DM) was used as a positive control, the effects of different solution fractions of ethanol extract on tumor necrosis factor alpha (TNF-alpha) mRNA, cyclooxygenase 2 (COX-2) mRNA, COX-2 and nuclear factor kappaB (NF-kappaB) of LPS-stimulated RAW 264.7 cells were studied by real-time PCR, Western blot analysis and immunocytochemical assay, respectively. RESULTS: Coumarin was one of the main ingredients in different solution fractions of ethanol extract except the aqueous fraction with no inflammatory effect. The petroleum ether fraction, ethyl acetate fraction and n-butanol fraction of ethanol extract could inhibit the production of TNF-alpha mRNA, COX-2 mRNA and NF-kappaB to some extent. CONCLUSIONS: Different solution fractions of ethanol extract from M. suaveolens Ledeb had similar anti-inflammatory effect as did dexamethasone except the aqueous fraction. Coumarin was likely to be essential to the anti-inflammatory effect, and other ingredients might attribute to their different anti-inflammatory effects from the HPLC fingerprint. (+info)Rhizobia from Lanzarote, the Canary Islands, that nodulate Phaseolus vulgaris have characteristics in common with Sinorhizobium meliloti isolates from mainland Spain. (6/9)
(+info)Ensifer, Phyllobacterium and Rhizobium species occupy nodules of Medicago sativa (alfalfa) and Melilotus alba (sweet clover) grown at a Canadian site without a history of cultivation. (7/9)
(+info)Amplification, contraction and genomic spread of a satellite DNA family (E180) in Medicago (Fabaceae) and allied genera. (8/9)
(+info)"Melilotus" is the genus name for a group of plants commonly known as sweet clover or melilot. These plants are part of the Fabaceae family, which includes legumes. While "Melilotus" itself is not a medical term, some of its species have been used in traditional medicine and may be mentioned in medical literature.
The two most common species are Melilotus officinalis (yellow sweet clover) and Melilotus albus (white sweet clover). The plants contain coumarin derivatives, which can have anticoagulant properties. However, it is essential to note that consuming large amounts of these plants or their extracts can lead to adverse effects, including bleeding disorders.
In a medical context, "Melilotus" may be mentioned in relation to its potential medicinal uses, side effects, or interactions with other medications. Still, it is not considered a standard pharmaceutical drug or a widely accepted medical treatment. Always consult a healthcare professional before using any plant or herbal remedy for medicinal purposes.
'Medicago sativa' is the scientific name for a plant species more commonly known as alfalfa. In a medical context, alfalfa is often considered a herbal supplement and its medicinal properties include being a source of vitamins, minerals, and antioxidants. It has been used in traditional medicine to treat a variety of conditions such as kidney problems, asthma, arthritis, and high cholesterol levels. However, it's important to note that the effectiveness of alfalfa for these uses is not conclusively established by scientific research and its use may have potential risks or interactions with certain medications. Always consult a healthcare provider before starting any new supplement regimen.
"Sinorhizobium meliloti" is a species of nitrogen-fixing bacteria that forms nodules on the roots of leguminous plants, such as alfalfa and clover. These bacteria have the ability to convert atmospheric nitrogen into ammonia, which can then be used by the plant for growth and development. This symbiotic relationship benefits both the bacterium and the plant, as the plant provides carbon sources to the bacterium, while the bacterium provides the plant with a source of nitrogen.
"Sinorhizobium meliloti" is gram-negative, motile, and rod-shaped, and it can be found in soil and root nodules of leguminous plants. It has a complex genome consisting of a circular chromosome and several plasmids, which carry genes involved in nitrogen fixation and other important functions. The bacteria are able to sense and respond to various environmental signals, allowing them to adapt to changing conditions and establish successful symbioses with their host plants.
In addition to its agricultural importance, "Sinorhizobium meliloti" is also a model organism for studying the molecular mechanisms of symbiotic nitrogen fixation and bacterial genetics.
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Officinalis18
- Durieu Melilotus officinalis (L.) Pall. (wikipedia.org)
- Yellow Sweet-Clover (Melilotus officinalis) is a mild allergen. (pollenlibrary.com)
- The leaves and flowering tops of Melilotus officinalis , Willdenow (Nat. (henriettes-herb.com)
- Melilotus officinalis , known as yellow sweet clover , yellow melilot , ribbed melilot and common melilot is a species of legume native to Eurasia and introduced in North America, Africa and Australia. (nutrawiki.org)
- Melilotus officinalis can be used as pasture or livestock feed. (nutrawiki.org)
- Melilotus officinalis is a major source of nectar for domestic honey bees as hives near sweetclover can yield up to 200 pounds of honey in a year. (nutrawiki.org)
- Melilotus officinalis has been used as a phytoremediation-phytodegradation plant for treatment of soils contaminated with dioxins. (nutrawiki.org)
- As a tea, melilotus officinalis has been used to ease muscle aches, headaches and gastrointestinal problems. (nutrawiki.org)
- Melilotus officinalis should not be used by pregnant women, and a doctor should be consulted when breastfeeding. (nutrawiki.org)
- Melilotus officinalis (L.) Lam. (asu.edu)
- 1999. Structural aspects of ovule and seed development and nonrandom abortion in Melilotus officinalis (Fabaceae). (bbg.org)
- 2010. Melilotus officinalis (yellow sweetclover) causes large changes in community and ecosystem processes in both the presence and absence of a cover crop. (bbg.org)
- SBL Melilotus Officinalis Mother Tincture is a homoeopathic medicine that effectively helps in treating the problem of congestion and hemorrhages. (yourmedkart.com)
- Woodprints Melilotus Officinalis/3 (left) and Hydrangea Paniculata/5 (right) are unique prints. (printedplant.com)
- For the first time, an aqueous extract of Melilotus officinalis was used to synthesize bimetallic silver selenide chalcogenide nanostructures (Ag 2 Se-NCs). (springeropen.com)
- Seminte de sulfina galbena sau melilotus officinalis Norma de. (seminte-facelia.ro)
- Melilotus officinalis Biennial legume. (fedcoseeds.com)
- Nosebleed ( Melilotus Officinalis Melilot . (abchomeopathy.com)
FABACEAE2
- Melilotus, known as melilot, sweet clover, and kumoniga (from the Cumans), is a genus in the family Fabaceae (the same family that also includes the Trifolium clovers). (wikipedia.org)
- Seed coat structure in Melilotus Fabaceae. (bbg.org)
Albus2
- The genus Melilotus currently has nineteen recognized species: Melilotus albus Medik. (wikipedia.org)
- Melilotus albus Medik. (ukflora.info)
Sweetclover1
- 2002. Inflorescence and flower development in wild-type and sid mutant Melilotus alba , white sweetclover. (bbg.org)
Trifolium1
- Trifolium melilotus var. (theplantlist.org)
Species5
- Melilotus species are eaten by the larvae of some Lepidoptera species, such as those of the genus Coleophora, including C. frischella and C. trifolii. (wikipedia.org)
- Deam notes that the yellow form also] has been sparingly sown for pasture and fodder and has escaped like the preceding species [ Melilotus alba ] but it is much more aggressive. (asu.edu)
- The species is more correctly written as Melilotus indicus now. (efloraofindia.com)
- Flower and fruit tell this species Melilotus indicus (L.) All. (efloraofindia.com)
- These legumes include three species within two closely related genera Melilotus and Trigonella. (usda.gov)
Genus1
- Members of the genus Ensifer are best known for their ability to form nitrogen-fixing symbioses with forage legumes of three related genera, Medicago L., Melilotus Mill. (usda.gov)
Alba1
- The ecology of Melilotus alba L. 3. (bbg.org)
Arvensis1
- Melilotus arvensis Wallr. (asu.edu)
Indica1
- Melilotus indica , a very common weed. (efloraofindia.com)
Lutea1
- Melilotus leucanthus , Melilotus lutea Gueldenst. (asu.edu)
Indicus2
- Melilotus hirsutus Lipsky Melilotus indicus (L.) All. (wikipedia.org)
- I am also not sure if it can be Trigonella corniculata or a Melilotus indicus . (efloraofindia.com)
Siculus2
- Melilotus siculus (messina) is notable for its high combined tolerance to salinity and water logging. (wikipedia.org)
- Melilotus siculus (Turra) B. D. Jacks. (wikipedia.org)
Altissimus1
- white sweet clover) Melilotus altissimus Thuill. (wikipedia.org)
Desf1
- Melilotus sulcatus Desf. (wikipedia.org)
Mill1
- Volga sweet clover, Russian sweet clover) "Melilotus Mill. (wikipedia.org)
Content1
- Melilotus, often used as a green manure, can be turned into the soil to increase its nitrogen and organic matter content. (wikipedia.org)
Yellow3
- tall yellow sweet clover) Melilotus dentatus (Waldst. (wikipedia.org)
- annual yellow sweet clover, Indian sweet clover) Melilotus infestus Guss. (wikipedia.org)
- yellow sweet clover) Melilotus polonicus (L.) Desr. (wikipedia.org)
Fabaceae2
- Melilotus, known as melilot, sweet clover, and kumoniga (from the Cumans), is a genus in the family Fabaceae (the same family that also includes the Trifolium clovers). (wikipedia.org)
- Steinklee (Melilotus species) gehört zur Familie der Fabaceae. (phytoneering-extract-solutions.de)
Officinalis top1
- Your search for MELILOTUS OFFICINALIS TOP did not return any results. (nih.gov)
Melilot1
- I am not aware that melilot (Melilotus officinalis) is used for the treatment of melanoma. (richters.com)
Segetalis1
- Melilotus segetalis (Brot. (wikipedia.org)
Desr3
- yellow sweet clover) Melilotus polonicus (L.) Desr. (wikipedia.org)
- View of Pyhtojeomorphological Properties of Melilotus officinalis (L.) Desr. (agrifoodscience.com)
- and Melilotus alba Desr. (agrifoodscience.com)
Elegans1
- Melilotus elegans Salzm. (wikipedia.org)
Sulcatus2
- Melilotus sulcatus Desf. (wikipedia.org)
- Melilotus sulcatus ssp. (legumes-online.net)
Wolgicus2
- Melilotus wolgicus Poir. (wikipedia.org)
- Melilotus wolgicus is a BIENNIAL growing to 1.2 m (4ft). (pfaf.org)
Infestus2
- annual yellow sweet clover, Indian sweet clover) Melilotus infestus Guss. (wikipedia.org)
- Melilotus infestus sensu auct. (legumes-online.net)
Suaveolens1
- Melilotus suaveolens Ledeb. (wikipedia.org)
Clover4
- tall yellow sweet clover) Melilotus dentatus (Waldst. (wikipedia.org)
- Mediterranean sweet clover) Melilotus tauricus (M. Bieb. (wikipedia.org)
- Volga sweet clover, Russian sweet clover) "Melilotus Mill. (wikipedia.org)
- Yellow Sweet Clover (Melilotus officinalis) - 07) Yellow sweet clover has also been used medicinally. (all-creatures.org)
Ingredients1
- The ingredients of the Melilotus ampoules help reduce the fragility and permeability of the blood vessels through vasoconstriction. (hofbeauty.co.uk)
Herb1
- The organic natural products of the Melilotus Herb Shop in Costa Intragna at the entrance to Centovalli are distinguished by their respectful treatment of nature and its rhythms, as well as their careful and sustainable production. (ticino.ch)
Shop1
- Melilotus products can be purchased at the following locations: On the website www.melilotus.ch , Shop Cento Rustici (Intragna village square), La Bottega di Spruga, Genuinity grocery store (Ascona, via Buonamano), Macelleria Moderna (Losone butcher's shop), Infopoint Auressio, Gusto Ticino (Cadenazzo), Grotto in Costa Intragna, Christmas market in Lugano (1.24. (ticino.ch)