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https://www.readbyqxmd.com/read/28898994/how-well-do-growing-season-dynamics-of-photosynthetic-capacity-correlate-with-leaf-biochemistry-and-climate-fluctuations
#1
Danielle A Way, Joseph R Stinziano, Henry Berghoff, Ram Oren, Lucas Cernusak
Accurate values of photosynthetic capacity are needed in Earth System Models to predict gross primary productivity. Seasonal changes in photosynthetic capacity in these models are primarily driven by temperature, but recent work has suggested that photoperiod may be a better predictor of seasonal photosynthetic capacity. Using field-grown kudzu (Pueraria lobata (Willd.) Ohwi), a nitrogen-fixing vine species, we took weekly measurements of photosynthetic capacity, leaf nitrogen, and pigment and photosynthetic protein concentrations and correlated these with temperature, irradiance and photoperiod over the growing season...
July 1, 2017: Tree Physiology
https://www.readbyqxmd.com/read/28830209/puerarin-improves-vascular-insulin-resistance-and-cardiovascular-remodeling-in-salt-sensitive-hypertension
#2
Chunxiang Tan, Aimei Wang, Chan Liu, Yao Li, Yuepin Shi, Ming-Sheng Zhou
Puerarin is an isoflavonoid isolated from the Chinese herb, Kudzu roots (also known as Gegen), which has been widely used for the treatment of hypertensive diseases and diabetic mellitus in traditional Chinese medicine. Dahl salt-sensitive (DS) rat is a genetic model of salt-sensitive hypertension with cardiovascular injury and vascular insulin resistance. Here, we investigated whether puerarin improved vascular insulin resistance and attenuated cardiac and aortic remodeling in salt-sensitive hypertension. DS rats were given a normal (NS) or high salt diet (HS) for five weeks...
August 22, 2017: American Journal of Chinese Medicine
https://www.readbyqxmd.com/read/28807875/bioactive-isoflavones-from-pueraria-lobata-root-and-starch-different-extraction-techniques-and-carbonic-anhydrase-inhibition
#3
Andrei Mocan, Simone Carradori, Marcello Locatelli, Daniela Secci, Stefania Cesa, Adriano Mollica, Simona Riga, Andrea Angeli, Claudiu T Supuran, Christian Celia, Luisa Di Marzio
Kudzu, the dried root of an important edible plant (Pueraria lobata), is used in Traditional Chinese Medicine for the important nutritional value strictly related to its isoflavone derivatives. These compounds characterize the quality of kudzu contained in different preparations, as pharmaceutical ingredient as well as dietary/food supplement (e.g. starch). The optimization of the isoflavones recovery, monitored by HPLC-PDA, through different innovative and conventional extraction techniques, e.g. microwave-assisted, ultrasound-assisted and conventional extraction, represented a suitable challenge in food industry and natural products evaluation...
August 11, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28804568/preventive-effects-of-kudzu-root-on-bone-loss-and-cartilage-degradation-in-ovariectomized-rat
#4
Yunyun Luo, Shuang Zheng, Yujia Ding, Yueqin Dai, Yi Zhou, Ruifeng Xiang, Anne C Bay-Jensen, Morten A Karsdal, Per Qvist, Qinlong Zheng
The clinical utility of Traditional Chinese Medicine (TCM) herbs/roots extracts in osteoporosis (OP) and osteoarthritis (OA) has been described in multiple reports, but there have been few studies of TCM for preventing bone loss and cartilage degradation simultaneously. Six-month-old female Sprague-Dawley rats each were subjected to ovariectomized (OVX) or sham surgery and treated orally once daily with herbal extracts or vehicle. Body weight was recorded weekly, and blood samples were collected from fasting animals at different time points...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28791618/boosting-isoprene-production-via-heterologous-expression-of-the-kudzu-isoprene-synthase-gene-kisps-into-bacillus-spp-cell-factory
#5
Lamis Gomaa, Michael E Loscar, Haggag S Zein, Nahed Abdel-Ghaffar, Abdelhadi A Abdelhadi, Ali S Abdelaal, Naglaa A Abdallah
Isoprene represents a key building block for the production of valuable materials such as latex, synthetic rubber or pharmaceutical precursors and serves as basis for advanced biofuel production. To enhance the production of the volatile natural hydrocarbon isoprene, released by plants, animals and bacteria, the Kudzu isoprene synthase (kIspS) gene has been heterologously expressed in Bacillus subtilis DSM 402 and Bacillus licheniformis DSM 13 using the pHT01 vector. As control, the heterologous expression of KIspS in E...
August 8, 2017: AMB Express
https://www.readbyqxmd.com/read/28705501/morphology-crystallinity-pasting-thermal-and-quality-characteristics-of-starches-from-adzuki-bean-vigna-angularis-l-and-edible-kudzu-pueraria-thomsonii-benth
#6
Chagam Koteswara Reddy, Fei Luan, Baojun Xu
Starches were isolated from adzuki bean (Vigna angularis L.) and edible kudzu (Pueraria thomsonii Benth) and investigated for their physico-chemical, morphological, pasting, crystallinity, thermal and FT-IR spectroscopic characteristics. Statistical analysis of physico-chemical and functional characteristics showed significant (p <0.05) difference between isolated starches from adzuki bean and edible kudzu. The XRD pattern of starches from adzuki bean and edible kudzu showed A-type with reflections (2θ) at 15...
July 10, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28638404/puerarin-protects-against-cardiac-fibrosis-associated-with-the-inhibition-of-tgf-%C3%AE-1-smad2-mediated-endothelial-to-mesenchymal-transition
#7
Ya-Ge Jin, Yuan Yuan, Qing-Qing Wu, Ning Zhang, Di Fan, Yan Che, Zhao-Peng Wang, Yang Xiao, Sha-Sha Wang, Qi-Zhu Tang
BACKGROUND: Puerarin is a kind of flavonoids and is extracted from Chinese herb Kudzu root. Puerarin is widely used as an adjuvant therapy in Chinese clinics. But little is known about its effects on regulating cardiac fibrosis. METHODS: Mice were subjected to transverse aorta constriction (TAC) for 8 weeks; meanwhile puerarin was given 1 week after TAC. Cardiac fibrosis was assessed by pathological staining. The mRNA and protein changes of CD31 and vimentin in both animal and human umbilical vein endothelial cells (HUVECs) models were detected...
2017: PPAR Research
https://www.readbyqxmd.com/read/28583762/puerarin-inhibits-amyloid-%C3%AE-induced-nlrp3-inflammasome-activation-in-retinal-pigment-epithelial-cells-via-suppressing-ros-dependent-oxidative-and-endoplasmic-reticulum-stresses
#8
Ke Wang, Xue Zhu, Kai Zhang, Yong Yao, Miao Zhuang, Chengye Tan, Fanfan Zhou, Ling Zhu
Amyloid β (Aβ) is a critical stimulator that promotes the progression of age-related macular degeneration (AMD). NLRP3 inflammasome activation induced by Aβ is estimated to be responsible for retinal pigment epithelium (RPE) dysfunction in such disease. Puerarin, one of the major active constituents of Kudzu root, has been widely used in the clinical treatment of AMD in China for decades; however, the detailed molecular mechanism remains far from clear. In this study, we investigated the protective effect and underlying mechanism of puerarin against Aβ1-40-induced NLRP3 inflammasome activation in LPS-primed ARPE-19 cells...
August 15, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28560744/silage-preparation-and-fermentation-quality-of-kudzu-sugarcane-top-and-their-mixture-treated-with-lactic-acid-bacteria-molasses-and-cellulase
#9
Xinzhu Chen, Wenyang Li, Chengfang Gao, Xiaopei Zhang, Boqi Weng, Yimin Cai
We studied silage fermentation of kudzu (KZ), sugarcane top (ST) and their mixtures treated with additives to be able to effectively use available local feed resources. The silages were prepared using KZ, ST, KZ 90% + ST 10%, KZ 80% + ST 20%, KZ 70% + ST 30% and KZ 60% + ST 40%, based on fresh matter (FM). These silages were treated with 10(8)  colony-forming units/g epiphytic lactic acid bacteria (LAB), 5% molasses and 0.02% cellulase of FM. The KZ contained higher crude protein (CP; 14.52%) content and lower levels of neutral detergent fiber (NDF; 62...
May 30, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
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
#10
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. Although 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
#11
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...
August 2017: Chemosphere
https://www.readbyqxmd.com/read/28400805/3-daidzein-sulfonate-sodium-improves-mitochondrial-functions-after-cerebral-ischemia-reperfusion-injury
#12
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
#13
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...
June 1, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/28237799/neuroprotective-effects-of-genistein-3-sodium-sulfonate-on-focal-cerebral-ischemia-in-rats
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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