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https://www.readbyqxmd.com/read/28222147/the-desert-gerbil-psammomys-obesus-as-a-model-for-metformin-sensitive-nutritional-type-2-diabetes-to-protect-hepatocellular-metabolic-damage-impact-of-mitochondrial-redox-state
#1
Inès Gouaref, Dominique Detaille, Nicolas Wiernsperger, Naim Akhtar Khan, Xavier Leverve, Elhadj-Ahmed Koceir
INTRODUCTION: While metformin (MET) is the most widely prescribed antidiabetic drug worldwide, its beneficial effects in Psammomys obesus (P. obesus), a rodent model that mimics most of the metabolic features of human diabetes, have not been explored thoroughly. Here, we sought to investigate whether MET might improve insulin sensitivity, glucose homeostasis, lipid profile as well as cellular redox and energy balance in P. obesus maintained on a high energy diet (HED). MATERIALS AND METHODS: P...
2017: PloS One
https://www.readbyqxmd.com/read/28220113/diverse-plant-associated-pleosporalean-fungi-from-saline-areas-ecological-tolerance-and-nitrogen-status-dependent-effects-on-plant-growth
#2
Yuan Qin, Xueyu Pan, Christian Kubicek, Irina Druzhinina, Komal Chenthamara, Jessy Labbé, Zhilin Yuan
Similar to mycorrhizal mutualists, the rhizospheric and endophytic fungi are also considered to act as active regulators of host fitness (e.g., nutrition and stress tolerance). Despite considerable work in selected model systems, it is generally poorly understood how plant-associated fungi are structured in habitats with extreme conditions and to what extent they contribute to improved plant performance. Here, we investigate the community composition of root and seed-associated fungi from six halophytes growing in saline areas of China, and found that the pleosporalean taxa (Ascomycota) were most frequently isolated across samples...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28187398/phosphorus-deficiency-modifies-as-translocation-in-the-halophyte-plant-species-atriplex-atacamensis
#3
Delphine Vromman, Juan-Pablo Martínez, Stanley Lutts
Most arsenic in surface soil and water exists primarily in its oxidized form, as arsenate (As(V); AsO4(3-)), which is an analog of phosphate (PO4(3-)). Arsenate can be taken up by phosphate transporters. Atriplex atacamensis Phil. is native to northern Chile (Atacama Desert), and this species can cope with high As concentrations and low P availability in its natural environment. To determine the impact of P on As accumulation and tolerance in A. atacamensis, the plants were cultivated in a hydroponic system under four treatments: no As(V) addition with 323µM phosphate (control); 1000µM As(V) addition with 323µM phosphate; no As(V) and no phosphate; 1000µM As(V) addition and no phosphate...
February 7, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28179025/the-role-of-nucularia-perrinii-batt-chenopodiaceae-in-the-camel-based-sahrawi-social-ecological-system
#4
Gabriele Volpato, Antonello Di Nardo
BACKGROUND: Pastoral social-ecological systems (SESs) are adaptive and complex systems rooted in the extensive exploitation of forage plants for livestock-based livelihoods and culture. There are species and relations that are foundational to the existence of these SESs. Nucularia perrinii Batt. (Chenopodiaceae) is an endemic halophyte plant of central and western Sahara seldom cited in the scientific literature. The objective of this study was to investigate the role of this plant in the SES of the Sahrawi camel nomads of Western Sahara...
February 8, 2017: Journal of Ethnobiology and Ethnomedicine
https://www.readbyqxmd.com/read/28154265/inhibitory-activities-of-antioxidant-flavonoids-from-tamarix-gallica-on-amyloid-aggregation-related-to-alzheimer-s-and-type-2-diabetes-diseases
#5
Asma Ben Hmidene, Mizuho Hanaki, Kazuma Murakami, Kazuhiro Irie, Hiroko Isoda, Hideyuki Shigemori
The prevention of amyloid aggregation is promising for the treatment of age-related diseases such as Alzheimer's (AD) and type 2 diabetes (T2D). Ten antioxidant flavonoids isolated from the medicinal halophyte Tamarix gallica were tested for their amyloid aggregation inhibition potential. Glucuronosylated flavonoids show relatively strong inhibitory activity of Amyloid β (Aβ) and human islet amyloid polypeptide (hIAPP) aggregation compared to their aglycone analogs. Structure-activity relationship of the flavonoids suggests that the catechol moiety is important for amyloid aggregation inhibition, while the methylation of the carboxyl group in the glucuronide moiety and of the hydroxyl group in the aglycone flavonoids decreased it...
2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28152658/lc-ms-identification-and-preparative-hplc-isolation-of-frankenia-pulverulenta-phenolics-with-antioxidant-and-neuroprotective-capacities-in-pc12-cell-line
#6
Rim Ben Mansour, Megdiche Ksouri Wided, Stéphanie Cluzet, Stéphanie Krisa, Tristan Richard, Riadh Ksouri
CONTEXT: Frankenia pulverulenta L. (Frankeniaceae) is a medicinal species with carminative, analgesic and antiviral properties. However, phytochemical investigations, antioxidant and neuroprotective capacities of this plant remain unclear. OBJECTIVE: This work assesses the phenolic composition of F. pulverulenta shoot and root and evaluates their antioxidant and neuroprotective capacities. MATERIALS AND METHODS: Successive fractionation of F...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28146411/neuroprotective-effect-of-halophyte-salicornia-herbacea-l-is-mediated-by-activation-of-heme-oxygenase-1-in-mouse-hippocampal-ht22-cells
#7
Min Sun Kim, Ji Yeon Seo, Jisun Oh, Yu Kyung Jang, Choong Hwan Lee, Jong-Sang Kim
Salicornia herbacea L. (glasswort, tungtungmadi in Korean), a halophyte that grows in salt marshes and muddy seashores along the western coast of Korea, has been used as a seasoning vegetable and a folk medicine for intestinal ailments, nephropathy, and hepatitis. As the salt-tolerant herb was reported to contain antioxidants, including tungtungmadic acid, quercetin, and chlorogenic acid, we hypothesized that the ethanolic extract of S. herbacea L. (SH extract) enriched with antioxidative compounds will have neuroprotective activity...
February 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28135015/stoichiometric-variation-of-halophytes-in-response-to-changes-of-soil-salinity
#8
Xiao Sun, Yue Gao, Donger Wang, Jihui Chen, Fengge Zhang, Jingbo Zhou, Yuanhe Li
Variation in soil salt may change the stoichiometry of a halophyte by altering plant ecophysiology, and exerting different influences on various plant organs, which has potentially important consequences for the nutrition of consumers as well as the nutrient cycling in a saline ecosystem. Using a greenhouse pot experiment, we investigated the effect of salinity variability on the stoichiometry of different organs and on the growth of Suaeda glauca B and Salicornia europaea L-two dominant species of important ecological and economic value in the saline ecosystem...
January 30, 2017: Plant Biology
https://www.readbyqxmd.com/read/28120885/-blue-carbon-and-nutrient-stocks-of-salt-marshes-at-a-temperate-coastal-lagoon-ria-de-aveiro-portugal
#9
Ana I Sousa, Danielle B Santos, Eduardo Ferreira da Silva, Lisa P Sousa, Daniel F R Cleary, Amadeu M V M Soares, Ana I Lillebø
Ria de Aveiro is a mesotidal coastal lagoon with one of the largest continuous salt marshes in Europe. The objective of this work was to assess C, N and P stocks of Spartina maritima (low marsh pioneer halophyte) and Juncus maritimus (representative of mid-high marsh halophytes) combined with the contribution of Halimione portulacoides, Sarcocornia perennis, and Bolbochenous maritimus to the lagoon ≈4400 ha marsh area. A multivariate analysis (PCO), taking into account environmental variables and the annual biomass and nutrient dynamics, showed that there are no clear seasonal or spatial differences within low or mid-high marshes, but clearly separates J...
January 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28117162/halophytes-as-vertical-flow-constructed-wetland-vegetation-for-domestic-wastewater-treatment
#10
M S Fountoulakis, G Sabathianakis, I Kritsotakis, E M Kabourakis, T Manios
Recent findings show that halophytes have the ability to accumulate salts in their tissues, making them a very interesting group of plants for domestic wastewater treatment in constructed wetlands (CWs). In that case, it might be possible to reduce the salinity of the final effluent, which is a crucial parameter for wastewater reuse in agriculture. During this study three halophytes, Atriplex halimus, Juncus acutus and Sarcocornia perennis, were tested for phyto-desalination of domestic wastewater in a vertical flow constructed wetland (VFCW) and compared with common reeds (Phragmites australis)...
January 20, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28110268/metabolic-and-physiological-adjustment-of-suaeda-maritima-to-combined-salinity-and-hypoxia
#11
Jan H Behr, Alain Bouchereau, Solenne Berardocco, Charlotte E Seal, Timothy J Flowers, Christian Zörb
BACKGROUND AND AIMS: Suaeda maritima is a halophyte commonly found on coastal wetlands in the intertidal zone. Due to its habitat S. maritima has evolved tolerance to high salt concentrations and hypoxic conditions in the soil caused by periodic flooding. In the present work, the adaptive mechanisms of S. maritima to salinity combined with hypoxia were investigated on a physiological and metabolic level. METHODS: To compare the adaptive mechanisms to deficient, optimal and stressful salt concentrations, S...
January 20, 2017: Annals of Botany
https://www.readbyqxmd.com/read/28110045/antioxidative-systems-metal-ion-homeostasis-and-cadmium-distribution-in-iris-lactea-exposed-to-cadmium-stress
#12
Qiang Guo, Lin Meng, Ya-Nan Zhang, Pei-Chun Mao, Xiao-Xia Tian, Shan-Shan Li, Lin Zhang
Iris lactea is a perennial halophyte and is tolerant to Cd. However, the mechanisms underlying this Cd tolerance are still poorly understood. In this study, morphological, physiological and biochemical responses of I. lactea to a 21 d exposure to different concentrations of Cd (0-150mgL(-1)) were investigated. I. lactea plants showed no toxicity symptoms except for a small reduction in growth at 100 and 150mgL(-1) Cd, along with the enhancement of H2O2 and MDA content in comparison to the control. The activities of SOD and POD were significantly enhanced and Ca accumulated with increasing Cd concentrations...
January 19, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28101580/crude-extract-and-solvent-fractions-of-calystegia-soldanella-induce-g1-and-s%C3%A2-phase-arrest-of-the-cell-cycle-in-hepg2-cells
#13
Jung Im Lee, In-Hye Kim, Taek-Jeong Nam
The representative halophyte Calystegia soldanella (L) Roem. et Schult is a perennial vine herb that grows in coastal dunes throughout South Korea as well as in other regions around the world. This plant has long been used as an edible and medicinal herb to cure rheumatic arthritis, sore throat, dropsy, and scurvy. Some studies have also shown that this plant species exhibits various biological activities. However, there are few studies on cytotoxicity induced by C. soldanella treatment in HepG2 human hepatocellular carcinoma cells...
February 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28078388/high-stocking-density-controls-phillyrea-angustifolia-in-mediterranean-grasslands
#14
François Mesléard, Nicole Yavercovski, Gaétan Lefebvre, Loic Willm, Anne Bonis
Extensive grazing applied in the form of low instantaneous pressure over a long period is a widespread management practice in protected areas. However this kind of stocking method does not always achieve the expected results, in particular because it fails to limit colonization by woody plants.This is the case in the relict xero-halophytic grasslands of the northern Mediterranean coastal region, subjected to widespread colonization by the shrub Phillyrea angustifolia despite the presence of extensive grazing...
January 11, 2017: Environmental Management
https://www.readbyqxmd.com/read/28056223/arthrobacter-halophytocola-sp-nov-a-novel-endophytic-actinomycete-isolated-from-the-roots-of-a-coastal-halophyte-limonium-sinense
#15
Wei-Wei Feng, Tian-Tian Wang, Juan-Luan Bai, Peng Ding, Ke Xing, Ji-Hong Jiang, Xue Peng, Sheng Qin
A novel actinobacterium designated KLBMP 5180T, was isolated from the surface-sterilized root of a coastal halophyte Limonium sinense collected from the city of Lianyungang, Jiangsu Province, east of China. The isolate was Gram-stain-positive, aerobic and non-motile. The components of cell-wall peptidoglycan were lysine, glutamic acid and alanine. The predominant menaquinone was MK-9 (70%). The polar lipids were diphosphatidylglycerol, phosphatidylglycerol, phosphatidylinositol and one unknown phospholipid...
January 5, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28040626/inhibition-of-ethylene-synthesis-reduces-salt-tolerance-in-tomato-wild-relative-species-solanum-chilense
#16
Emna Gharbi, Juan-Pablo Martínez, Hela Benahmed, Gilles Lepoint, Brigitte Vanpee, Muriel Quinet, Stanley Lutts
Exposure to salinity induces a burst in ethylene synthesis in the wild tomato halophyte plant species Solanum chilense. In order to gain information on the role of ethylene in salt adaptation, plants of Solanum chilense (accession LA4107) and of cultivated glycophyte Solanum lycopersicum (cv. Ailsa Craig) were cultivated for 7days in nutrient solution containing 0 or 125mM NaCl in the presence or absence of the inhibitor of ethylene synthesis (aminovinylglycine (AVG) 2μM). Salt-induced ethylene synthesis in S...
December 7, 2016: Journal of Plant Physiology
https://www.readbyqxmd.com/read/28025673/wet-fractionation-of-the-succulent-halophyte-salicornia-sinus-persica-with-the-aim-of-low-input-water-saving-biorefining-into-bioethanol
#17
Ayah Alassali, Iwona Cybulska, Alejandro Ríos Galvan, Mette Hedegaard Thomsen
In this study Salicornia sinus-persica, a succulent halophyte was assessed for its potential to be used as a feedstock for bioethanol production. For such succulent, salty, green biomasses, direct fractionation and fermentation allow for water preservation in the process. Fresh biomass of S. sinus-persica was collected and split into two fractions by wet fractionation; liquid (juice) and solid (pulp). Sugar contents were found to be 1.0-1.5% for the juice fraction and 50% (w/w) for the fresh pulp. Direct fermentation of the juice using Saccharomyces cerevisiae showed no salt inhibition of the yeast and ethanol yields of ~70% were achieved...
December 26, 2016: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/27975994/effects-of-explant-type-culture-media-and-growth-regulators-for-callus-induction-of-a-potential-bioactive-halophyte-armeria-maritima-plumbaginaceae
#18
L Gourguillon, A Lobstein, L Gondet
No abstract text is available yet for this article.
December 2016: Planta Medica
https://www.readbyqxmd.com/read/27975668/biological-properties-and-phytochemical-analysis-of-the-halophyte-armeria-maritima-willd-plumbaginaceae
#19
L Gourguillon, L Cattuzzato, C Lavaud, A Lobstein
No abstract text is available yet for this article.
December 2016: Planta Medica
https://www.readbyqxmd.com/read/27974729/secondary-metabolites-production-and-plant-growth-promotion-by-pseudomonas-chlororaphis-and-p-aurantiaca-strains-isolated-from-cactus-cotton-and-para-grass
#20
Izzah Shahid, Muhammad Rizwan, Deeba Noreen Baig, Rahman Shahzaib Saleem, Kauser Abdullah Malik, Samina Mehnaz
Fluorescent pseudomonads have been isolated from halophytes, mesophytes and xerophytes of Pakistan. Among these, eight isolates, GS-1, GS-3, GS-4, GS-6, GS-7, FS-2 (cactus), ARS-38 (cotton) and RP-4 (para grass) showed antifungal activity and selected for detailed study. Based on biochemical tests and 16SrRNA gene sequences, these were identified as strains of P. chlororaphis subspp. chlororaphis and aurantiaca. Secondary metabolites of these strains were analyzed by LC-MS. PCA, 2-OH-PHZ, cyclic lipopeptide (WLIP) and Lahorenoic acid A were detected in variable amounts in these strains...
December 14, 2016: Journal of Microbiology and Biotechnology
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