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https://www.readbyqxmd.com/read/28480539/plant-litter-chemistry-alters-the-content-and-composition-of-organic-carbon-associated-with-soil-mineral-and-aggregate-fractions-in-invaded-ecosystems
#1
Mioko Tamura, Vidya Suseela, Myrna Simpson, Brian Powell, Nishanth Tharayil
Through the input of disproportionate quantities of chemically distinct litter, invasive plants may potentially influence the fate of organic matter associated with soil mineral and aggregate fractions in some of the ecosystems they invade. Though context dependent, these native ecosystems subjected to prolonged invasion by exotic plants may be instrumental in distinguishing the role of plant-microbe-mineral interactions from the broader edaphic and climatic influences on the formation of soil organic matter (SOM)...
May 8, 2017: Global Change Biology
https://www.readbyqxmd.com/read/28407550/potential-phosphorus-eutrophication-mitigation-strategy-biochar-carbon-composition-thermal-stability-and-ph-influence-phosphorus-sorption
#2
L W Ngatia, Y P Hsieh, D Nemours, R Fu, R W Taylor
Phosphorus (P) eutrophication is a major pollution problem globally, with unprecedented amount of P emanating from agricultural sources. But little is known about the optimization of soil-biochar P sorption capacity. The study objective was to determine how biochar feedstocks and pyrolysis conditions influences carbon (C) thermal stability, C composition and pH and in turn influence the phosphorus sorption optimization. Biochar was produced from switchgrass, kudzu and Chinese tallow at 200, 300, 400, 500, 550, 650,750 °C...
April 4, 2017: Chemosphere
https://www.readbyqxmd.com/read/28400805/3-daidzein-sulfonate-sodium-improves-mitochondrial-functions-after-cerebral-ischemia-reperfusion-injury
#3
Wa Yuan, Qin Chen, Jing Zeng, Hai Xiao, Zhi-Hua Huang, Xiao Li, Qiong Lei
3'-Daidzein sulfonate sodium is a new synthetic water-soluble compound derived from daidzein (an active ingredient of the kudzu vine root). It has been shown to have a protective effect on cerebral ischemia/reperfusion injury in rats. We plan to study the mechanism of its protective effect. 3'-Daidzein sulfonate sodium was injected in rats after cerebral ischemia/reperfusion injury. Results showed that 3'-daidzein sulfonate sodium significantly reduced mitochondrial swelling, significantly elevated the mitochondrial membrane potential, increased mitochondrial superoxide dismutase and glutathione peroxidase activities, and decreased mitochondrial malondialdehyde levels...
February 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/28369558/seasonal-occurrence-and-interspecific-interactions-of-egg-parasitoids-of-megacopta-cribraria-heteroptera-plataspidae-in-japan
#4
Keisuke Hoshino, Tarô Adati, Dawn M Olson, Keiji Takasu
We conducted a field study to determine seasonal egg parasitism rates of the kudzu bug Megacopta cribraria (F.) on the kudzu plant, Pueraria montana (Lour.) Merr. var. lobata (Willd.) Maesen et Almeida ex Sanjappa and Pradeep, in Tokyo, Japan, during the period from May 2014 to September 2014. The eggs of M. cribraria per 1 m2 of kudzu at four locations in Tokyo were collected weekly and parasitism rates were assessed. Eggs of M. cribraria were laid on the kudzu plant from May to September. Megacopta cribraria eggs were parasitized by two parasitoid species, Paratelenomus saccharalis (Dodd) and Ooencyrtus nezarae Ishii...
March 27, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/28237799/neuroprotective-effects-of-genistein-3-sodium-sulfonate-on-focal-cerebral-ischemia-in-rats
#5
Liangdong Li, Jinhua Xue, Ruizhen Liu, Xiao Li, Lijuan Lai, Jiali Xie, Zhihua Huang, Cheng Huang
In order to improve the poor water solubility of genistein (4',5,7-trihydroxyisoflavone), which is extracted from food sources such as tofu, soybeans, and kudzu, we sulfonated genistein to synthesize a relatively more water-soluble compound, namely genistein-3'-sodium sulfonate (GSS). Our previous studies demonstrate that GSS protects cortical neurons from injury induced by focal cerebral ischemia. However, the molecular mechanisms underlying this protective effect remain unclear. We aimed to investigate the protective effect and potential molecular mechanisms of action of GSS in rat glutamate-induced cortical neuron injury in vitro and middle cerebral artery occlusion (MCAO) in vivo models...
February 22, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28192195/puerarin-provides-a-neuroprotection-against-transient-cerebral-ischemia-by-attenuating-autophagy-at-the-ischemic-penumbra-in-neurons-but-not-in-astrocytes
#6
He Hongyun, Guo Tao, Zhang Pengyue, Yang Liqiang, Deng Yihao
Puerarin is an isoflavone derived from the Chinese medical herb of Radix puerariae (kudzu root), and has been widely used in the treatment for ischemic stroke in China. However, its underlying pharmacological mechanisms are still not understood. This study was to investigate the efficacy of puerarin on autophagy in the ischemic penumbra after cerebral stroke. A model of cerebral stroke in Sprague-Dawley rats was prepared by middle cerebral artery occlusion (MCAO); rats were then randomly divided into 5 groups: MCAO+Pue group (rats were treated with puerarin), MCAO+Pue+Tat-Beclin-1 group (rats were administrated with both puerarin and autophagy inducer Tat-Beclin-1), MCAO+Tat-Beclin-1 group (rats were treated with Tat-Beclin-1), MCAO+saline group (rats were administrated with the same volume of physiological saline), and sham surgery group...
March 16, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28060542/puerarin-protects-against-endothelial-dysfunction-and-end-organ-damage-in-ang-ii-induced-hypertension
#7
Xiaojie Li, Yuhan Lin, Hongyu Zhou, Yao Li, Aimei Wang, Hongxin Wang, Ming-Sheng Zhou
Puerarin, a major isoflavonoid compound from Chinese herb Kudzu roots, has been widely used for the treatment of hypertensive and cardiovascular diseases in China. Here, we investigated puerarin's beneficial effects on the cardiovascular system in angiotensin (Ang) II-induced hypertensive rats. Sprague-Dawley rats were treated with Ang II for 5 days or with puerarin for 10 days followed by Ang II and puerarin for 5 days. Endothelium-dependent relaxation (EDR) to acetylcholine was determined using an organ chamber bath...
2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/28053208/impacts-of-tillage-maturity-group-and-insecticide-use-on-megacopta-cribraria-hemiptera-plataspidae-populations-in-double-cropped-soybean
#8
Alejandro I Del Pozo-Valdivia, Dominic D Reisig, Jack S Bacheler
Megacopta cribraria (F.), also known as the kudzu bug, is a soybean pest in the United States, and it can cause up to a 60% yield reduction if not controlled. Insecticides are commonly used to manage this pest in commercial soybean fields. However, other soybean production practices may also affect kudzu bug populations. This study investigated the effect of soil tillage, maturity group selection, and insecticide use on kudzu bug densities in soybean. During 2012 and 2013, at two locations each year in North Carolina, four varieties of soybean maturity groups were planted in June into conventionally tilled plots and into plots with cereal crop residue under reduced tillage conditions (mimicking double-crop production)...
February 1, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28039424/seasonal-population-dynamics-of-megacopta-cribraria-hemiptera-plataspidae-in-kudzu-and-soybean-and-implication-for-insecticidal-management-in-soybean
#9
J L Blount, P M Roberts, M D Toews, W A Gardner, G D Buntin, J W Davis, J N All
Megacopta cribraria (F.), an invasive species introduced from Asia in 2009, is now prolific in the southeastern United States. Megacopta cribraria develops primarily on kudzu and soybean completing two generations. It is not well understood how this economic pest is affected by changes in geographic distribution in the United States or how population levels have changed since its establishment. The effect of insecticide application timing on field populations of M. cribraria is not well documented. These studies seek to understand how population dynamics of M...
February 1, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/27928122/anti-hyperglycemic-effect-of-a-kudzu-pueraria-lobata-vine-extract-in-ovariectomized-mice
#10
Teruyoshi Tanaka, Yukihiro Yokota, Hanjun Tang, Nobuhiro Zaima, Tatsuya Moriyama, Yukio Kawamura
Postmenopausal diabetes is exacerbated by estrogen deficiency. Ovariectomized (OVX) animal models can be used to develop strategies for preventing or treating postmenopausal symptoms. We previously found that a diet containing kudzu (Pueraria lobata) vine ethanol extract (PVEE) suppressed weight gain in OVX mice. Therefore, this study further elucidated how PVEE affected OVX mice. Ten-week-old OVX or sham-operated mice were fed diets containing either no PVEE (control) or 20 mg•kg(-1)•d(-1) PVEE for 8 wk, 5 mg•kg(-1)•d(-1) PVEE for 24 wk, or 20 mg•kg(-1)•d(-1) puerarin (daidzein-8-C-glucoside), a major isoflavone present in PVEE, for 10 wk...
2016: Journal of Nutritional Science and Vitaminology
https://www.readbyqxmd.com/read/27812397/ecology-and-management-of-kudzu-bug-hemiptera-plataspidae-in-southeastern-soybeans
#11
Sriyanka Lahiri, Dominic D Reisig
Kudzu bug, Megacopta cribraria Fabricius (Hemiptera: Plataspidae), is an invasive exotic pest of soybeans that has been present in the southeastern United States since 2009 and has been rapidly spreading through soybean-producing states. Their primary reproductive hosts in the United States are soybean, kudzu, pigeon pea, black eye pea, lima bean, pinto bean, wisteria, white sweet clover, white clover, red clover, alfalfa, perennial peanut, and American joint vetch. In soybeans, the kudzu bug feeds on vascular fluids at the stem, petiole, and nodes, causing yield losses of up to 60%...
January 2016: Journal of Integrated Pest Management
https://www.readbyqxmd.com/read/27765264/physicochemical-properties-and-micro-structural-characteristics-in-starch-from-kudzu-root-as-affected-by-cross-linking
#12
Boru Chen, Leping Dang, Xiao Zhang, Wenzhi Fang, Mengna Hou, Tiankuo Liu, Zhanzhong Wang
Kudzu starch was cross-linked with sodium trimetaphosphate (STMP) at different temperatures, time and of STMP concentrations in this work. The cross-linked starches (CLSs) were fractionated further into cross-linked amylose and amylopectin in order to compare the effect of cross-linking on the microstructure. According to scanning electron microscope (SEM), CLSs displayed the resemble appearance of spherical and polygonal shapes like NS. X-ray diffraction (XRD) revealed that amylose of native starch (A), NS and CLS displayed a combination of A-type and B-type structure, while that was not found in amylose of cross-linked starch (CLA)...
March 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/27717903/an-isoflavonoid-enriched-extract-from-pueraria-lobata-kudzu-root-protects-human-umbilical-vein-endothelial-cells-against-oxidative-stress-induced-apoptosis
#13
Ying Gao, Xu Wang, Chunnian He
ETHNOPHARMACOLOGICAL RELEVANCE: Reactive oxygen species (ROS) mediate vascular cell dysfunction and lead to atherosclerosis and other chronic cardiovascular diseases. The root of Pueraria lobata (Willd.) Ohwi, also known as kudzu or Gegen (Chinese name), is one of the most important herbs in traditional Chinese medicine and has been widely used in the treatment of cardiovascular diseases, diabetes, osteonecrosis and neurodegradation diseases. In this study, an ethanol extract from kudzu root was prepared and the in vitro protective effect of the kudzu root extract (KUD) on human umbilical vein endothelial cells (HUVECs) was investigated...
December 4, 2016: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/27677719/botanicals-and-their-bioactive-phytochemicals-for-women-s-health
#14
REVIEW
Birgit M Dietz, Atieh Hajirahimkhan, Tareisha L Dunlap, Judy L Bolton
Botanical dietary supplements are increasingly popular for women's health, particularly for older women. The specific botanicals women take vary as a function of age. Younger women will use botanicals for urinary tract infections, especially Vaccinium macrocarpon (cranberry), where there is evidence for efficacy. Botanical dietary supplements for premenstrual syndrome (PMS) are less commonly used, and rigorous clinical trials have not been done. Some examples include Vitex agnus-castus (chasteberry), Angelica sinensis (dong quai), Viburnum opulus/prunifolium (cramp bark and black haw), and Zingiber officinale (ginger)...
October 2016: Pharmacological Reviews
https://www.readbyqxmd.com/read/27649166/biology-pest-status-microbiome-and-control-of-kudzu-bug-hemiptera-heteroptera-plataspidae-a-new-invasive-pest-in-the-u-s
#15
REVIEW
Anirudh Dhammi, Jaap B van Krestchmar, Loganathan Ponnusamy, Jack S Bacheler, Dominic D Reisig, Ames Herbert, Alejandro I Del Pozo-Valdivia, R Michael Roe
Soybean is an important food crop, and insect integrated pest management (IPM) is critical to the sustainability of this production system. In recent years, the introduction into the United States of the kudzu bug currently identified as Megacopta cribraria (F.), poses a threat to soybean production. The kudzu bug was first discovered in the state of Georgia, U.S. in 2009 and since then has spread to most of the southeastern states. Because it was not found in the North American subcontinent before this time, much of our knowledge of this insect comes from research done in its native habitat...
September 16, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27638957/sublethal-effects-of-insecticide-exposure-on-megacopta-cribraria-fabricius-nymphs-key-biological-traits-and-acetylcholinesterase-activity
#16
Jin Miao, Dominic D Reisig, Guoping Li, Yuqing Wu
Megacopta cribraria F. (Hemiptera: Plataspidae), the kudzu bug, is an invasive insect pest of U.S. soybean. At present, insecticide application is the primary and most effective control option for M. cribraria In this study, the potential effects of sublethal and low-lethal concentrations (LC10 and LC40) of three common insecticides on key biological traits and acetylcholinesterase (AChE) activity of the treated nymphal stage of insect were assessed. The results show that the sublethal concentration of imidacloprid significantly reduced adult emergence rate of M...
2016: Journal of Insect Science
https://www.readbyqxmd.com/read/27555435/high-degree-of-clonal-reproduction-and-lack-of-large-scale-geographic-patterning-mark-the-introduced-range-of-the-invasive-vine-kudzu-pueraria-montana-var-lobata-in-north-america
#17
Kerin E Bentley, Rodney Mauricio
PREMISE OF THE STUDY: Pueraria montana var. lobata, or kudzu, is an invasive species whose invasion in North America is not genetically well characterized. The clonality of kudzu introduces challenges to population genetic analyses that can bias the assessment of spatial patterns of genotypes. Assessing patterns of genetic diversity while considering clonality is necessary to understand the invasion and spread of kudzu in its invasive range. METHODS: We screened 1747 individuals from 87 populations across the invasive range with 15 microsatellite markers and a 789 bp chloroplast region...
August 2016: American Journal of Botany
https://www.readbyqxmd.com/read/27546737/irisolidone-attenuates-ethanol-induced-gastric-injury-in-mice-by-inhibiting-the-infiltration-of-neutrophils
#18
Geum-Dan Kang, Sang-Yoon Lee, Se-Eun Jang, Myung Joo Han, Dong-Hyun Kim
SCOPE: This study was designed to determine whether irisolidone and its glycoside kakkalide, which are the major constituents of the flower of Pueraria lobata (Kudzu) can attenuate ethanol-induced gastritic injury in mice. METHODS AND RESULTS: Irisolidone and kakkalide inhibited IL-8 secretion and NF-κB activation in lipopolysaccharide-stimulated KATO III cells. Therefore, we investigated their protective effects against ethanol-induced gastric injury in mice. Pretreatment with kakkalide or irisolidone decreased the area of hemorrhagic ulcerative lesions caused by ethanol and suppressed stomach myeloperoxidase activity, CXCL4 secretion, and NF-κB activation...
October 5, 2016: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/27495827/parsing-polyphyletic-pueraria-delimiting-distinct-evolutionary-lineages-through-phylogeny
#19
Ashley N Egan, Mohammad Vatanparast, William Cagle
Several taxonomic and phylogenetic studies have hypothesized polyphyly within Pueraria DC., a genus comprising 19 species (24 with varieties) including the highly invasive Pueraria montana var. lobata (Kudzu) introduced to the U.S.A. about 150years ago. Previous efforts to investigate monophyly of the genus have been hampered by limited taxon sampling or a lack of comprehensive evolutionary context that would enable definitive taxonomic associations. This work presents a comprehensive phylogenetic investigation of Pueraria within the context of tribe Phaseoleae (Leguminosae)...
November 2016: Molecular Phylogenetics and Evolution
https://www.readbyqxmd.com/read/27409614/neuroprotective-effect-of-puerarin-on-glutamate-induced-cytotoxicity-in-differentiated-y-79-cells-via-inhibition-of-ros-generation-and-ca-2-influx
#20
Ke Wang, Xue Zhu, Kai Zhang, Zhifeng Wu, Song Sun, Fanfan Zhou, Ling Zhu
Glutamate toxicity is estimated to be the key cause of photoreceptor degeneration in the pathogenesis of retinal degenerative diseases. Oxidative stress and Ca(2+) influx induced by glutamate are responsible for the apoptosis process of photoreceptor degeneration. Puerarin, a primary component of Kudzu root, has been widely used in the clinical treatment of retinal degenerative diseases in China for decades; however, the detailed molecular mechanism underlying this effect remains unclear. In this study, the neuroprotective effect of puerarin against glutamate-induced cytotoxicity in the differentiated Y-79 cells was first investigated through cytotoxicity assay...
July 11, 2016: International Journal of Molecular Sciences
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