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T V Shevchuk, N S Zakharchenko, S V Tarlachkov, O V Furs, O V Dyachenko, Y I Buryanov
Transgenic kalanchoe plants (Kalanchoe pinnata L.) expressing the antimicrobial peptide cecropin P1 gene (cecP1) under the control of the 35S cauliflower mosaic virus 35S RNA promoter and the selective neomycin phosphotransferase II (nptII) gene under the control of the nopaline synthase gene promoter were studied. The 35S promoter methylation and the cecropin P1 biosynthesis levels were compared in plants growing on media with and without kanamycin. The low level of active 35S promoter methylation further decreases upon cultivation on kanamycin-containing medium, while cecropin P1 synthesis increases...
September 2016: Biochemistry. Biokhimii︠a︡
Joanna Kolodziejczyk-Czepas, Pawel Nowak, Barbara Wachowicz, Justyna Piechocka, Rafał Głowacki, Barbara Moniuszko-Szajwaj, Anna Stochmal
CONTEXT: The main source of bufadienolides is toad venom; however, plants such as members of Kalanchoe Adans. (Crassulaceae) genus may also synthesize these bioactive substances. OBJECTIVE: This is the first study on antioxidant effects and cytotoxicity of bufadienolide-rich fraction isolated from Kalanchoe daigremontiana Raym.-Hamet & H. Perrier. MATERIALS AND METHODS: The methanolic fraction was extracted from the plant roots and contained 0...
August 3, 2016: Pharmaceutical Biology
Fernanda Gouvêa Gomes Ürményi, Georgia do Nascimento Saraiva, Livia Marques Casanova, Amanda Dos Santos Matos, Luiza Maria de Magalhães Camargo, Maria Teresa Villela Romanos, Sônia Soares Costa
Kalanchoe daigremontiana (Crassulaceae) is a medicinal plant native to Madagascar. The aim of this study was to investigate the flavonoid content of an aqueous leaf extract from K. daigremontiana (Kd), and assess its antiherpetic potential. The major flavonoid, kaempferol-3-O-β-D-xylopyranosyl (1→2) α-L-rhamnopyranoside (1), was isolated from the ethyl acetate fraction (Kd-AC). The n-butanol-soluble fraction afforded quercetin-3-O-β-D-xylopyranosyl (1→2) α-L-rhamnopyranoside (2) and the new kaempferol-3-O-β-D-xylopyranosyl (1→2)-α-L-rhamnopyranoside-7-O-β-D-glucopyranoside (3), named daigremontrioside...
July 29, 2016: Chemistry & Biodiversity
Maria Manan, Liaqat Hussain, Hira Ijaz, Muhammad Imran Qadir
This study was conducted to identify antimicrobial potential of Kalanchoe laciniata. The plants were extracted with 30-70% aqueous-methanol and n-hexane. The antimicrobial activities were examined using agar well diffusion method against bacteria (Staphylococcus aureus, Escherichia coli) and fungi (Candidaalbicans). Results showed that E. coli were more sensitive than Staphylococcus aureus and Candida albicans. The largest zone of inhibition (52 mm) was recorded against E. coli with the n-hexane extract of Kalanchoe laciniata...
July 2016: Pakistan Journal of Pharmaceutical Sciences
Salvador González de León, Ileana Herrera, Roger Guevara
Ecological invasions are a major issue worldwide, where successful invasion depends on traits that facilitate dispersion, establishment, and population growth. The nonnative succulent plant Kalanchoe pinnata, reported as invasive in some countries, is widespread in remnants of seasonally dry tropical forest on a volcanic outcrop with high conservation value in east-central Mexico where we assessed its mating system and demographic growth and identified management strategies. To understand its local mating system, we conducted hand-pollination treatments, germination, and survival experiments...
July 2016: Ecology and Evolution
François Chassagne, Sovanmoly Hul, Eric Deharo, Geneviève Bourdy
ETHNOPHARMACOLOGICAL RELEVANCE: In this paper we present a comprehensive ethnomedicinal study conducted in Mondulkiri province. Traditional knowledge about natural medicine (plants, animals, mushrooms) was investigated in Cambodia's largest indigenous community: the Bunong people. The survey aims to document the medicinal plant use of this ethnic, by focusing on the eleven most frequent diseases encountered in the area, in order to highlight species that could be recommended in public health programs...
September 15, 2016: Journal of Ethnopharmacology
Karin Fürer, Ana Paula Simões-Wüst, Ursula von Mandach, Matthias Hamburger, Olivier Potterat
Bryophyllum pinnatum (syn. Kalanchoe pinnata) is a succulent perennial plant native to Madagascar that was introduced in anthroposophic medicine in the early 20th century. In recent years, we conducted a large collaborative project to provide reliable data on the chemical composition, pharmacological properties, and clinical efficacy of Bryophyllum. Here, we comprehensively review the phytochemistry, as well as the pharmacological and clinical data. As to the pharmacology, special emphasis is given to properties related to the use in anthroposophic medicine as a treatment for "hyperactivity diseases", such as preterm labor, restlessness, and sleep disorders...
July 2016: Planta Medica
Christo Botha
Bufadienolide-type cardiac glycosides have a worldwide distribution and are mainly synthesized by plants, but there are also animal sources. In South Africa, members of three genera of the Crassulaceae (Cotyledon, Tylecodon and Kalanchoe) cause a unique chronic form of cardiac glycoside poisoning, predominantly in small stock. This paretic/paralytic condition is referred to as "krimpsiekte", cotyledonosis or "nenta". "Krimpsiekte" is a plant poisoning only reported from South Africa and is regarded as the most important plant poisoning of small stock in the semi-arid Little Karoo and southern fringes of the Great Karoo...
2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Nikhil Menon, Jean Sparks, Felix O Omoruyi
BACKGROUND: Diabetes mellitus is a chronic metabolic disease that according to the World Health Organization affects more than 382 million people. The rise in diabetes mellitus coupled with the lack of an effective treatment has led many to investigate medicinal plants to identify a viable alternative. OBJECTIVE: To evaluate red blood cell (RBC) membrane adenosine triphosphatase (ATPase) activities and antioxidant levels in streptozotocin-induced diabetic rats administered aqueous preparation of Kalanchoe pinnata leaves...
April 2016: Pharmacognosy Research
Snežana Č Jovanović, Bojan K Zlatković, Gordana S Stojanović
Triterpenoid distribution in epicuticular waxes of 20 central Balkan Sedum L. species and four out-groups of genera: Hylotelephium H. Ohba, Crassula L., Echeveria DC., and Kalanchoe Adans. were investigated for chemotaxonomic purposes. Identification and quantification of wax triterpenoids were performed by GC/MS and GC-FID analyses. Distribution of identified triterpenoids (oleanane, lupane, and taraxerane series), as a pattern in statistical analysis, indicated very good agreement with phylogeny and systematics, except members of series Rupestria Berger, in which case the distribution of triterpenoids did not support known classification in a satisfactory manner...
April 2016: Chemistry & Biodiversity
Barbara Moniuszko-Szajwaj, Łukasz Pecio, Mariusz Kowalczyk, Anna Stochmal
An aqueous extract from the roots of Kalanchoe daigremontiana turned out to be a rich source of bufadienolides. The existing literature data relate mainly to the aerial parts of Kalanchoe but there is no information about the metabolic profile of the roots, which are also used in traditional medicine. Our investigation concerning the roots of K. daigremontiana led to the isolation and characterization of eight new bufadienolides, namely 1β,3β,5β,14β,19-pentahydroxybufa-20,22-dienolide (1), 19-(acetyloxy)-1β,3β,5β,14β-tetrahydroxybufa-20,22-dienolide (2), 3β-O-α-l-rhamno-pyranosyl-5β,11α,14β,19-tetrahydroxybufa-20,22-dienolide (3), 19-(acetyloxy)-3β,5β,11α,14β-tetrahydroxybufa-20,22-dienolide (4), 3β,5β,11α,14β,19-pentahydroxy-12-oxo-bufa-20,22-dienolide (5), 19-(acetyloxy)-3β,5β,11α,14β-tetrahydroxy-12-oxo-bufa-20,22-dienolide (6), 19-(acetyloxy)-1β,3β,5β,11α,14β-pentahydroxy-12-oxo-bufa-20,22-dienolide (7) and 1β-(acetyloxy)-3β,5β,11α,14β,19-pentahydroxy-12-oxo-bufa-20,22-dienolide (8), together with seven known compounds: 11α,19-dihydroxytelocinobufagin (9), bersaldegenin-1-acetate (10), daigredorigenin-3-acetate (11), bersaldegenin-1,3,5-orthoacetate (12), bryotoxin B (13), bryophyllin B (14) and bersaldegenin (15)...
2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
C Liu, C Zhu, H M Zeng
Kalanchoe daigremontiana utilizes plantlet formation between its zigzag leaf margins as its method of asexual reproduction. In this study, K. daigremontiana SUPPRESSOR OF OVEREXPRESSION OF CONSTANS 1 (KdSOC1), a key intermediate in the transition from vegetative to asexual growth, was cloned. Furthermore, its expression profiles during plantlet formation under different environmental and hormone induction conditions were analyzed. The full-KdSOC1 cDNA sequence length was 1410 bp with 70% shared homology with Carya cathayensis SOC1...
2016: Genetics and Molecular Research: GMR
Richard W Jones
When expressing plant cell wall degrading enzymes in the widely used tobacco (Nicotiana benthamiana) after Agrobacterium infiltration, difficulties arise due to the thin leaf structure. Thick leaved succulents, Kalanchoe blossfeldiana and Hylotelephium telephium, were tested as alternatives. A xyloglucanase, as well as a xyloglucanase inhibitor protein was successfully produced.
January 2016: Journal of Microbiological Methods
S Frimpong-Manso, I J Asiedu-Gyekye, J P Naadu, G T Magnus-Aryitey, A K Nyarko, D Boamah, M Awan
Two samples, water extract and blended whole leaves, of fresh Kalanchoe integra leaves (Crassulaceae), a traditional antihypertensive medicine used in Ghana, were analyzed with Energy Dispersive X-Ray Fluorescence spectroscopy (EDXRF). Analysis revealed 12 macro and 26 micro elements in both extracts. Further quantitative assessment of the results for amounts of elements that are pharmacologically significant revealed that the amounts of calcium, potassium, and magnesium present in the extracts could be correlated to its traditional usage in managing hypertension and arrhythmias...
2015: International Journal of Hypertension
Yong-Soon Park, Kyungseok Park, Joseph W Kloepper, Choong-Min Ryu
Certain bacterial species associate with plant roots in soil. The plant growth-promoting rhizobacteria (PGPR) stimulate plant growth and yield in greenhouse and field. Here, we examined whether application of known bacilli PGPR strains stimulated growth and asexual reproduction in the succulent plant Kalanchoe daigremontiana. Four PGPR strains B. amyloliquefaciens IN937a, B. cereus BS107, B. pumilus INR7, and B. subtilis GB03 were applied to young plantlets by soil-drenching, and plant growth and development was monitored for three months...
September 2015: Plant Pathology Journal
Luana Beatriz dos Santos Nascimento, Nattacha dos Santos Moreira, Marcos Vinícius Leal-Costa, Sônia Soares Costa, Eliana Schwartz Tavares
BACKGROUND AND AIMS: UV-B radiation can be stressful for plants and cause morphological and biochemical changes. Kalanchoe pinnata is a CAM leaf-succulent species distributed in hot and dry regions, and is rich in flavonoids, which are considered to be protective against UV-B radiation. This study aims to verify if K. pinnata has morphological or anatomical responses as a strategy in response to high UV-B levels. METHODS: Kalanchoe pinnata plants of the same age were grown under white light (control) or white light plus supplemental UV-B radiation (5 h d(-1))...
October 2015: Annals of Botany
A Mora-Pérez, M del R Hernández-Medel
INTRODUCTION: In ancient and current traditional medicine in México, extracts from the leaves or whole plant of 'life leaf' (Kalanchoe pinnata [K. pinnata]Lam) have been used to treat an entity known locally as 'yellow epilepsy' (alferecía amarilla) when it is accompanied by seizures. However, the anticonvulsive activity of its stems and roots remains unexplored METHODS: The anticonvulsant activity of the methanolic root extract (MER) or stem (MES) of K. pinnata Lam...
April 2016: Neurología: Publicación Oficial de la Sociedad Española de Neurología
Jérémie Ngezahayo, François Havyarimana, Léonard Hari, Caroline Stévigny, Pierre Duez
ETHNOPHARMACOLOGICAL RELEVANCE: Infectious diseases represent a serious and worldwide public health problem. They lead to high mortality, especially in non-developed countries. In Burundi, the most frequent infectious diseases are skin and respiratory (mainly in children) infections, diarrhea, added to malaria, HIV/AIDS and tuberculosis. Local population used mostly traditional herbal medicines, sometimes animal and mineral substances, to fight against these plagues. OBJECTIVES: To survey in different markets and herbal shops in Bujumbura city, medicinal plants sold to treat microbial infections, with particular emphasis on the different practices of traditional healers (THs) regarding plant parts used, methods of preparation and administration, dosage and treatment duration...
September 15, 2015: Journal of Ethnopharmacology
Stefanie Gerbig, Hubertus E Brunn, Bernhard Spengler, Sabine Schulz
Distribution of pesticides both on the surface of leaves and in cross sections of plant stem and leaves was investigated using desorption electrospray ionization mass spectrometry imaging (DESI-MSI) with a spatial resolution of 50-100 μm. Two commercially available insecticide sprays containing different contact pesticides were applied onto leaves of Cotoneaster horizontalis, and the distributions of all active ingredients were directly analyzed. The first spray contained pyrethrins and rapeseed oil, both known as natural insecticides...
September 2015: Analytical and Bioanalytical Chemistry
Gordana S Stojanovic, Snežana C Jovanović, Bojan K Zlatković
The present study is engaged in the chemical composition of methanol extracts of Sedum taxa from the central part of the Balkan Peninsula, and representatives from other genera of Crassulaceae (Crassula, Echeveria and Kalanchoe) considered as out-groups. The chemical composition of extracts was determined by HPLC analysis, according to retention time of standards and characteristic absorption spectra of components. Identified components were considered as original variables with possible chemotaxonomic significance...
June 2015: Natural Product Communications
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