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https://www.readbyqxmd.com/read/28423086/evaluation-of-cytogenotoxicity-antioxidant-and-hypoglycemiant-activities-of-isolate-compounds-from-mansoa-hirsuta-d-c-bignoniaceae
#1
Joquebede R Pereira, Raphael F Queiroz, Erlânia A DE Siqueira, Ana Christina Brasileiro-Vidal, Antônio E G Sant'ana, Daniel M Silva, Paulo R A DE Mello Affonso
Mansoa hirsuta (Bignoniaceae) is a native plant from caatinga in Brazilian semiarid. This plant has been locally used as antimicrobial and hypoglycemiant agents, but their action mechanisms and toxicity remain largely unknown. Therefore, we evaluated the composition and antioxidant, cytoprotective and hypoglycemiant effects of raw extract, fractions and compounds from leaves of M. hirsuta. The cytogenotoxic effects of ursolic and oleanolic acids, the main phytotherapic components of this plant, were assessed...
January 2017: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/28391450/in-vitro-acaricidal-activity-of-crescentia-cujete-l-fruit-pulp-against-rhipicephalus-microplus
#2
Sinval Garcia Pereira, Sandra Alves de Araújo, Giselle Maria Skelding Pinheiro Guilhon, Lourivaldo Silva Santos, Livio Martins Costa Junior
Cattle tick (Rhipicephalus microplus) is an important constraint on livestock production, particularly in tropical and subtropical areas. Synthetic acaricides are the primary method of control this thick. Resistance of R. microplus to synthetic acaricides has given rise to the need of new scientific investigations on alternative ways to control it. The objective of this work was to conduct a chemical investigation of Crescentia cujete L. fruit pulp and to evaluate the acaricide effect on R. microplus larvae of extracts, fractions, and isolated substances from this species...
April 8, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28351401/cognitive-enhancing-and-antioxidant-activities-of-the-aqueous-extract-from-markhamia-tomentosa-benth-k-schum-stem-bark-in-a-rat-model-of-scopolamine
#3
Radu Ionita, Paula Alexandra Postu, Galba Jean Beppe, Marius Mihasan, Brindusa Alina Petre, Monica Hancianu, Oana Cioanca, Lucian Hritcu
BACKGROUND: Plants of the genus Markhamia have been traditionally used by different tribes in various parts of West African countries, including Cameroun. Markhamia tomentosa (Benth.) K. Schum. (Bignoniaceae) is used as an antimalarial, anti-inflammatory, analgesic, antioxidant and anti-Alzheimer agent. The current study was undertaken in order to investigate its anti-amnesic and antioxidant potential on scopolamine-induced cognitive impairment and to determine its possible mechanism of action...
March 28, 2017: Behavioral and Brain Functions: BBF
https://www.readbyqxmd.com/read/28303339/evidence-for-post-zygotic-self-incompatibility-in-handroanthus-impetiginosus-bignoniaceae
#4
Nelson Sabino Bittencourt Júnior
Late-acting self-incompatibility (LSI) has been defined as a genetically controlled self-sterility mechanism that prevents seed set by selfing, despite normal pollen tube growth and ovule penetration in self-pollinated pistils. In species of the Bignoniaceae with LSI, such as Handroanthus impetiginosus, the selfed pistils are characterized by a marked delay in ovule penetration, fertilization, and endosperm initiation, followed by uniform pistil abscission. This highlights the contentious possibility of a post-zygotic self-incompatibility system...
March 16, 2017: Plant Reproduction
https://www.readbyqxmd.com/read/28286535/antileishmanial-activity-of-handroanthus-serratifolius-vahl-s-grose-bignoniaceae
#5
Erica Vanessa Souza Costa, Heliton Patrick Cordovil Brígido, João Victor da Silva E Silva, Marlia Regina Coelho-Ferreira, Geraldo Célio Brandão, Maria Fâni Dolabela
This study aimed to evaluate the leishmanicidal activity of ethanol extract, fractions, and isolated substance from Handroanthus serratifolius against Leishmania amazonensis. Furthermore, this activity was related to cytotoxicity, and the selectivity index was determined. The ethanol extract was obtained by maceration of the stem powder, and the extract was subjected to fractionation on chromatographic column. The lapachol was obtained by acid base extraction followed by purification in chromatographic column...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28010885/gastroprotective-effects-of-hydroethanolic-root-extract-of-arrabidaea-brachypoda-evidences-of-cytoprotection-and-isolation-of-unusual-glycosylated-polyphenols
#6
Claudia Quintino da Rocha, Felipe Meira de-Faria, Laurence Marcourt, Samad Nejad Ebrahimi, Bruna Tiemi Kitano, Amanda Franceschini Ghilardi, Anderson Luiz Ferreira, Ana Cristina Alves de Almeida, Ricardo José Dunder, Alba Regina Monteiro Souza-Brito, Matthias Hamburger, Wagner Vilegas, Emerson Ferreira Queiroz, Jean-Luc Wolfender
The hydroethanolic root extract of Arrabidaea brachypoda, from Bignoniaceae family, a Brazilian medicinal plant, demonstrated significant in vivo gastroprotective effects using different in vivo assays. The activity was evaluated in several models of experimental gastric ulcer in rats (absolute ethanol, glutathione depletion, nitric oxide depletion, non-steroidal anti-inflammatory drugs, pylorus ligation and acetic acid). Using 300 mg/kg (p.o.) the extract significantly reduced gastric injury in all models...
March 2017: Phytochemistry
https://www.readbyqxmd.com/read/27975547/phytochemical-analysis-and-antimicrobial-evaluation-of-dolichandrone-spathacea-bignoniaceae
#7
P D Nguyen, A Abedini, S C Gangloff, J Madoux, C Lavaud
No abstract text is available yet for this article.
December 2016: Planta Medica
https://www.readbyqxmd.com/read/27937112/antifungal-and-antiproliferative-activities-of-endophytic-fungi-isolated-from-the-leaves-of-markhamia-tomentosa
#8
Mutiat Ibrahim, Nutan Kaushik, Abimbola Sowemimo, Hemraj Chhipa, Trevor Koekemoer, Maryna van de Venter, Olukemi A Odukoya
CONTEXT: Plants harbor endophytes with potential bioactivity. Markhamia tomentosa (Benth) K. Schum ex. Engl. (Bignoniaceae) is reported to possess antioxidant, anti-inflammatory and anticancer activities. OBJECTIVE: The antifungal and antiproliferative properties of endophytic fungi extracts and fractions from M. tomentosa were evaluated. MATERIAL AND METHODS: Endophytic fungi were isolated from the leaves of M. tomentosa and identified by ITS-rDNA sequence analysis...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/27870312/mixed-pollen-load-and-late-acting-self-incompatibility-flexibility-in-adenocalymma-peregrinum-miers-l-g-lohmann-bignonieae-bignoniaceae
#9
M O Duarte, C Mendes-Rodrigues, M F Alves, P E Oliveira, D S Sampaio
Mixed cross and self-pollen load on the stigma (mixed pollination) of species with late-acting self-incompatibility system (LSI) can lead to self-fertilized seed production. This "cryptic self-fertility" may allow selfed seedling development in species otherwise largely self-sterile. Our aims were to check if mixed pollinations would lead to fruit set in LSI Adenocalymma peregrinum, and test for evidence of early-acting inbreeding depression in putative selfed seeds from mixed pollinations. Experimental pollinations were carried out in a natural population...
March 2017: Plant Biology
https://www.readbyqxmd.com/read/27813610/karyotype-evolution-in-the-genus-jacaranda-juss-jacarandeae-bignoniaceae-chromosome-numbers-and-heterochromatin
#10
J M P Cordeiro, S A A Lima, S N Paz, A M S Santos, L P Felix
Most taxa in the Bignoniaceae have 2n = 40, but the basal clade Jacarandeae has 2n = 36, suggesting that x = 18 is the ancestral basic number for the family. Variations in heterochromatin band patterns in genera that are numerically stable, such as Jacaranda, could facilitate our understanding of the chromosomal and karyotypic evolution of the family. We characterized heterochromatin distributions in six Jacaranda species using chromomycin A3 (CMA) and 4'6-diamidino-2-phenylindole (DAPI). All of them had 2n = 36, including first counts for Jacaranda bracteata Bureau & K...
October 17, 2016: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/27785381/chloroplast-sequence-of-treegourd-crescentia-cujete-bignoniaceae-to-study-phylogeography-and-domestication
#11
Priscila Ambrósio Moreira, Cédric Mariac, Nora Scarcelli, Marie Couderc, Doriane Picanço Rodrigues, Charles R Clement, Yves Vigouroux
PREMISE OF THE STUDY: Crescentia cujete (Bignoniaceae) fruit rinds are traditionally used for storage vessels and handicrafts. We assembled its chloroplast genome and identified single-nucleotide polymorphisms (SNPs). METHODS AND RESULTS: Using a genome skimming approach, the whole chloroplast of C. cujete was assembled using 3,106,928 sequence reads of 150 bp. The chloroplast is 154,662 bp in length, structurally divided into a large single copy region (84,788 bp), a small single copy region (18,299 bp), and two inverted repeat regions (51,575 bp) with 88 genes annotated...
October 2016: Applications in Plant Sciences
https://www.readbyqxmd.com/read/27737632/demographical-history-and-palaeodistribution-modelling-show-range-shift-towards-amazon-basin-for-a-neotropical-tree-species-in-the-lgm
#12
Luciana Cristina Vitorino, Matheus S Lima-Ribeiro, Levi Carina Terribile, Rosane G Collevatti
BACKGROUND: We studied the phylogeography and demographical history of Tabebuia serratifolia (Bignoniaceae) to understand the disjunct geographical distribution of South American seasonally dry tropical forests (SDTFs). We specifically tested if the multiple and isolated patches of SDTFs are current climatic relicts of a widespread and continuously distributed dry forest during the last glacial maximum (LGM), the so called South American dry forest refugia hypothesis, using ecological niche modelling (ENM) and statistical phylogeography...
October 13, 2016: BMC Evolutionary Biology
https://www.readbyqxmd.com/read/27672522/a-genomic-approach-for-isolating-chloroplast-microsatellite-markers-for-pachyptera-kerere-bignoniaceae
#13
Jessica N C Francisco, Alison G Nazareno, Lúcia G Lohmann
PREMISE OF THE STUDY: In this study, we developed chloroplast microsatellite markers (cpSSRs) for Pachyptera kerere (Bignoniaceae) to investigate the population structure and genetic diversity of this species. METHODS AND RESULTS: We used Illumina HiSeq data to reconstruct the chloroplast genome of P. kerere by a combination of de novo and reference-guided assembly. We then used the chloroplast genome to develop a set of cpSSRs from intergenic regions. Overall, 24 primer pairs were designed, 21 of which amplified successfully and were polymorphic, presenting three to nine alleles per locus...
September 2016: Applications in Plant Sciences
https://www.readbyqxmd.com/read/27617028/shade-tree-diversity-and-aboveground-carbon-stocks-in-theobroma-cacao-agroforestry-systems-implications-for-redd-%C3%A2-implementation-in-a-west-african-cacao-landscape
#14
Evans Dawoe, Winston Asante, Emmanuel Acheampong, Paul Bosu
BACKGROUND: The promotion of cacao agroforestry is one of the ways of diversifying farmer income and creating incentives through their inclusion in REDD+ interventions. We estimated the aboveground carbon stocks in cacao and shade trees, determined the floristic diversity of shade trees and explored the possibility of implementing REDD+ interventions in cacao landscapes. Using replicated multi-site transect approach, data were collected from nine 1-ha plots established on 5 km long transects in ten cacao growing districts in Ghana West Africa...
December 2016: Carbon Balance and Management
https://www.readbyqxmd.com/read/27529199/insecticidal-properties-of-a-highly-potent-wax-isolated-from-dolichandra-cynanchoides-cham
#15
Georgina Díaz Napal, María C Carpinella, Sara M Palacios
Bioassay-guided fractionation of an ethanolic extract of the aerial parts of Dolichandra cynanchoides Cham. (Bignoniaceae) led to the isolation of a natural wax with anti-insect activity against Spodoptera frugiperda (Noctuidae) and Epilachna paenulata (Coleptera). The compound was identified spectroscopically as an ester of a C27 fatty acid and a C25 alcohol, pentacosyl heptacosanoate (1). The effective doses of 1 for 50% feeding inhibition (ED50) of S. frugiperda and E. paenulata were 0.82 and 8.53 µg/cm², respectively, in a choice test, while azadirachtin showed ED50 of 0...
August 11, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27489485/a-new-species-of-amphitecna-bignoniaceae-endemic-to-chiapas-mexico
#16
Andres Ernesto Ortiz-Rodriguez, Carlos Manuel Burelo Ramos, Héctor Gomez-Dominguez
Amphitecna loreae Ortiz-Rodr. & Burelo, sp. nov. (Bignoniaceae), a new species endemic to the karst rainforest in southern Mexico, is described and illustrated. The new species differs from the other species of Amphitecna by the combination of cauliflorous inflorescences, larger flowers, buds rounded at apex, and globose-ellipsoid rather than acuminate fruits. A key to the Mexican species of Amphitecna is presented.
2016: PhytoKeys
https://www.readbyqxmd.com/read/27458982/coalescent-simulation-and-paleodistribution-modeling-for-tabebuia-rosealba-do-not-support-south-american-dry-forest-refugia-hypothesis
#17
Warita Alves de Melo, Matheus S Lima-Ribeiro, Levi Carina Terribile, Rosane G Collevatti
Studies based on contemporary plant occurrences and pollen fossil records have proposed that the current disjunct distribution of seasonally dry tropical forests (SDTFs) across South America is the result of fragmentation of a formerly widespread and continuously distributed dry forest during the arid climatic conditions associated with the Last Glacial Maximum (LGM), which is known as the modern-day dry forest refugia hypothesis. We studied the demographic history of Tabebuia rosealba (Bignoniaceae) to understand the disjunct geographic distribution of South American SDTFs based on statistical phylogeography and ecological niche modeling (ENM)...
2016: PloS One
https://www.readbyqxmd.com/read/27430309/alleviation-of-4-nitroquinoline-1-oxide-induced-oxidative-stress-by-oroxylum-indicum-l-leaf-extract-in-albino-wistar-rats
#18
Shalini Mohan, Kalaivani Thiagarajan, Balaji Sundaramoorthy, Vivek Gurung, Manas Barpande, Shilpi Agarwal, Rajasekaran Chandrasekaran
BACKGROUND: 4-nitroquinoline 1-oxide (4-NQO) is a mutagen known to be responsible for causing cancer by generating oxidative stress in humans. Oroxylum indicum (L.) possesses various bioactive compounds with antioxidant properties. In this connection, the present study aims to analyze the alleviation of 4-NQO induced oxidative stress in albino Wistar rats using O. indicum (L.) leaf extract. METHODS: O. indicum (L.) belonging to the family Bignoniaceae, has anticancer and anti-inflammatory properties...
July 19, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27429475/medicinal-plants-used-for-treating-reproductive-health-care-problems-in-cameroon-central-africa-1
#19
Roger Tsobou, Pierre Marie Mapongmetsem, Patrick Van Damme
Medicinal Plants Used for Treating Reproductive Health Care Problems in Cameroon, Central Africa. Approximately 80% of the African population uses traditional plants to deal with health problems, basically because of their easy accessibility and affordability. This study was carried out to document indigenous knowledge of medicinal plants used by traditional healers and elders in the treatment of reproductive health care in the Bamboutos Division of the West Region in Cameroon, Central Africa. The research methods used included semi-structured interviews and participative field observations...
2016: Economic Botany
https://www.readbyqxmd.com/read/27426507/sub-acute-and-chronic-toxicity-profiles-of-markhamia-tomentosa-ethanolic-leaf-extract-in-rats
#20
Mutiat B Ibrahim, Abimbola A Sowemimo, Margaret O Sofidiya, Kabir B Badmos, Muyiwa S Fageyinbo, Fatimah B Abdulkareem, Olukemi A Odukoya
ETHNOPHARMACOLOGICAL RELEVANCE: Markhamia tomentosa (Benth.) K. Schum Ex Engl. (Bignoniaceae) is used in traditional African medicine for the treatment of diarrhoea, oedema, pain and malaria. The leaf extract was reported to show no visible sign of toxicity on acute exposure. This present study investigates the sub-acute and chronic toxicity effects of Markhamia tomentosa in rats. MATERIALS AND METHODS: The animals (n=6/group) were treated daily with the extract at doses of 40, 200 and 1000mg/kg orally for 28 and 90 days...
December 4, 2016: Journal of Ethnopharmacology
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