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cucurbita moschata

Reyhaneh Shayesteh, Mohammad Kamalinejad, Hasan Adiban, Azin Kardan, Fariborz Keyhanfar, Mohammad Reza Eskandari
Background Diabetes mellitus is a chronic endocrine disorder that is associated with significant mortality and morbidity due to microvascular and macrovascular complications. Diabetes complications accompanied with oxidative stress and carbonyl stress in different organs of human body because of the increased generation of free radicals and impaired antioxidant defense systems. In the meantime, reactive oxygen species (ROS) and reactive carbonyl species (RCS) have key mediatory roles in the development and progression of diabetes complications...
June 6, 2017: Drug Research
Sam-Ang Supharoek, Kraingkrai Ponhong, Kate Grudpan
A green and environmental friendly method with simple sequential injection spectrophotometry using natural reagent extract from pumpkin (Cucurbita moschata Decne) for determination of benzoyl peroxide (BPO) was developed. The maximum absorption of the yellow crude extract containing the β-carotene compound occurred at a wavelength of 450nm. The yellow extract solution was bleached by BPO to change the color to a colorless solution. The optimum conditions of the proposed method, such as extraction solvent influence of pH, dilution of pumpkin extracts solution, aspiration volume of reagent and sample, flow reversal, incubation time, mixing coil length, and dispensing flow rate were studied and optimized...
August 15, 2017: Talanta
Qianru Liu, Xin Zhao, Jeffrey K Brecht, Charles A Sims, Tatiana Sanchez, Nicholas S Dufault
BACKGROUND: The market demand for seedless watermelon has been continuously increasing because of consumer preference. Grafting is a useful tool to manage soil-borne diseases in watermelon production, but the use of squash rootstocks may negatively affect watermelon fruit quality. Currently, most research has focused on seeded cultivars while grafting effects on seedless watermelons remain largely unknown. This multi-season study was conducted to assess the effects of squash rootstocks, including both Cucurbita maxima × C...
March 29, 2017: Journal of the Science of Food and Agriculture
Yanlin Li, Xingwang Hou, Miao Yu, Qunfang Zhou, Jiyan Liu, Jerald L Schnoor, Guibin Jiang
Short chain chlorinated paraffins (SCCPs) are ubiquitously present as persistent organic pollutants in the environment. However, little information on the interaction of SCCPs with plants is currently available. In this work, young pumpkin plants (Cucurbita maxima × C. Moschata) were hydroponically exposed to the congener of chlorinated decane, 1,2,5,5,6,9,10-heptachlorodecane (1,2,5,5,6,9,10-HepCD), to investigate the uptake, translocation and transformation of chlorinated decanes in the intact plants...
May 2017: Environmental Pollution
William L Holdsworth, Kyle E LaPlant, Duane C Bell, Molly M Jahn, Michael Mazourek
Powdery mildew is a major fungal disease on squash and pumpkin (Cucurbita spp.) in the US and throughout the world. Genetic resistance to the disease is not known to occur naturally within Cucurbita pepo and only infrequently in Cucurbita moschata, but has been achieved in both species through the introgression of a major resistance gene from the wild species Cucurbita okeechobeensis subsp. martinezii. At present, this gene, Pm-0, is used extensively in breeding, and is found in nearly all powdery mildew-resistant C...
2016: PloS One
Lin Li, Sheng Shu, Qing Xu, Ya-Hong An, Jin Sun, Shi-Rong Guo
Nitric oxide (NO) and hydrogen peroxide (H2 O2 ), two important signaling molecules, are stimulated in plants by abiotic stresses. In this study, we investigated the role of NO and its interplay with H2 O2 in the response of self-grafted (S-G) and salt-tolerant pumpkin-grafted (Cucurbita maxima × C. moschata) cucumber seedlings to 80 mM Ca(NO3 )2 stress. Endogenous NO and H2 O2 production in S-G seedlings increased in a time-dependent manner, reaching maximum levels after 24 h of Ca(NO3 )2 stress. In contrast, a transient increase in NO production, accompanied by H2 O2 accumulation, was observed at 2 h in rootstock-grafted plants...
December 9, 2016: Physiologia Plantarum
Hao Sun, Jia Guo, Yaoke Duan, Tiantian Zhang, Heqiang Huo, Haijun Gong
Cucumber (Cucumis sativus) is a widely grown cucurbitaceous vegetable that exhibits a relatively high capacity for silicon (Si) accumulation, but the molecular mechanism for silicon uptake remains to be clarified. Here we isolated and characterized CsLsi1, a gene encoding a silicon transporter in cucumber (cv. Mch-4). CsLsi1 shares 55.70 and 90.63% homology with the Lsi1s of a monocot and dicot, rice (Oryza sativa) and pumpkin (Cucurbita moschata), respectively. CsLsi1 was predominantly expressed in the roots, and application of exogenous silicon suppressed its expression...
February 2017: Physiologia Plantarum
Qingqi Lin, Siyuan Chen, Yuanqing Chao, Xiongfei Huang, Shizhong Wang, Rongliang Qiu
Uptake and accumulation by plants is a significant pathway in the migration and transformation of phthalate esters (PAEs) in the environment. However, limited information is available on the mechanisms of PAE metabolism in plants. Here, we investigated the metabolism of di-n-butyl phthalate (DnBP), one of the most frequently detected PAEs, in pumpkin (Cucurbita moschata) seedlings via a series of hydroponic experiments with an initial concentration of 10 mg L(-1). DnBP hydrolysis occurred primarily in the root, and two of its metabolites, mono-n-butyl phthalate (MnBP) and phthalic acid (PA), were detected in all plant tissues...
January 2017: Environmental Pollution
Youssef Rouphael, Elvira Rea, Mariateresa Cardarelli, Michael Bitterlich, Dietmar Schwarz, Giuseppe Colla
Low-pH and aluminum (Al) stresses are the major constraints that limit crop yield in acidic soils. Grafting vegetable elite cultivars onto appropriate rootstocks may represent an effective tool to improve crop tolerance to acidity and Al toxicity. Two greenhouse hydroponic experiments were performed to evaluate growth, yield, biomass production, chlorophyll index, electrolyte leakage, mineral composition, and assimilate partitioning in plant tissues of cucumber plants (Cucumis sativus L. "Ekron") either non-grafted or grafted onto "P360" (Cucurbita maxima Duchesne × Cucurbita moschata Duchesne; E/C) or figleaf gourd (Cucurbita ficifolia Bouché; E/F)...
2016: Frontiers in Plant Science
Seyyed Hossein Hosseini Ghaboos, Seyed Mahdi Seyedain Ardabili, Mahdi Kashaninejad, Gholamhassan Asadi, Mehran Aalami
Infrared-vacuum dehydration characteristics of pumpkin (Cucurbita moschata) were evaluated in a combined dryer system. The effects of drying parameters, infrared radiation power (204-272 W), system pressure (5-15 kPa), slice thickness (5 and 7 mm) and time (0-220 min) on the drying kinetics and characteristics of pumpkin slices were investigated. The vacuum pressure, lamp power and slice had significant effect on the drying kinetics and various qualities of the dried pumpkin. Moisture ratios were fitted to 10 different mathematical equations using nonlinear regression analysis...
May 2016: Journal of Food Science and Technology
Hee-Yun Kim, Sun-Young Nam, Shi-Young Yang, Hyung-Min Kim, Hyun-Ja Jeong
Cucurbita moschata Duch. has long been used for traditional health food in many countries. However, to enhance the immune system of Cucurbita moschata Duch. and its major component, β-carotene is not clear. Here, we determined the immune enhancement effect of Cucurbita moschata Duch. and β-carotene in mouse splenocytes and RAW 264.7 macrophage cell line. We prepared baked Cucurbita moschata Duch. (Sweetme Sweet Pumpkin(TM), SSP) and steamed Cucurbita moschata Duch. (SC). Splenocytes isolated from the spleen of BALB/c mice were treated with SSP, SC, and β-carotene for 24 h...
October 2016: Immunopharmacology and Immunotoxicology
Yoshihiko Nanasato, Sayuri Namiki, Masao Oshima, Ryota Moriuchi, Ken-Ichi Konagaya, Nobuyasu Seike, Takashi Otani, Yuji Nagata, Masataka Tsuda, Yutaka Tabei
γ-HCH was successfully degraded using LinA-expressed transgenic hairy root cultures of Cucurbita moschata . Fusing an endoplasmic reticulum-targeting signal peptide to LinA was essential for stable accumulation in the hairy roots. The pesticide γ-hexachlorocyclohexane (γ-HCH) is a persistent organic pollutant (POP) that raises public health and environmental pollution concerns worldwide. Although several isolates of γ-HCH-degrading bacteria are available, inoculating them directly into γ-HCH-contaminated soil is ineffective because of the bacterial survival rate...
September 2016: Plant Cell Reports
Na-Rae Kim, Hee-Yun Kim, Min-Ho Kim, Hyung-Min Kim, Hyun-Ja Jeong
AIMS: Sweetme Sweet Pumpkin™ (SSP, baked Cucurbita moschata Duch.) has been used to treat patients with depression in Korea. However, the role of SSP in improving depression has not been elucidated yet. Thus, we assessed the antidepressant-like effect of SSP and its active compound, β-carotene, with the forced swimming test (FST). MAIN METHODS: SSP and β-carotene were orally administered once a day for 28days. The levels of brain-derived neurotrophic factor (BDNF), phosphorylated extracellular signal-regulated kinase (pERK), and estrogen receptor-beta (ER-β) were analyzed by Western blotting and quantitative real-time-polymerase chain reaction...
February 15, 2016: Life Sciences
Junghun Lee, Jinyong Choi, Wonwoo Lee, Kyeongryang Ko, Sunyoung Kim
Dehydrodiconiferyl alcohol (DHCA), originally isolated from the stems of Cucurbita moschata, has previously been shown to exhibit anti-adipogenic and anti-lipogenic effects in 3T3-L1 cells and primary mouse embryonic fibroblasts (MEFs) (Lee et al., 2012). Here, we investigated whether synthetic DHCA could suppress the CD4 T helper 17 (Th17)-mediated production of the interleukin (IL)-17 protein. The results from RT-qPCR suggest that DHCA-mediated down-regulation of IL-17 occurred at the transcriptional level by suppressing the expression of RAR-related orphan receptor (ROR)γt, the master transcription factor involved in the differentiation of Th17 cells...
December 2015: Molecular Immunology
Anderson Bolzan, Dori E Nava, Flávio R M Garcia, Ricardo A Valgas, Giovani Smaniotto
Anastrepha grandis (Macquart) (Diptera: Tephritidae) is one of the main pests of cucurbits in Brazil. Losses occur due to the damage caused to the fruits and the embargo on exports, as A. grandis is considered a quarantine pest in countries that import Brazilian cucurbits. This study aimed to evaluate the development of A. grandis in hosts of the Cucurbitaceae family. The hosts used were stem squash (Cucurbita pepo L.), squash (Cucurbita moschata Duchesne), chayote [Sechium edule (Jacq.) Swartz], mini watermelon [Citrullus lanatus (Thunb...
June 2015: Journal of Economic Entomology
Naglezi de Menezes Lovatto, Fernanda Rodrigues Goulart, Silvandro Tonetto de Freitas, Patricia Inês Mombach, Bruno Bianch Loureiro, Ana Betine Beutinger Bender, Aline Augusti Boligon, João Radünz Neto, Leila Picolli da Silva
An 8-week feeding trial was conducted to evaluate the effect of replacing fish meal with pumpkin seed meal (PSM) or phosphorylated protein concentrate of pumpkin seed meal (PPCPS) on growth and metabolic responses of silver catfish. Five isonitrogenous and isocaloric diets were formulated. Control diet contained fish meal as the main protein source. The treatment groups contained 25 and 50% of either PSM or PPCPS protein replaced the fishmeal protein. A total of 400 silver catfish, with initial mean weight of 24 ± 0...
December 2015: Fish Physiology and Biochemistry
Qingqi Lin, Xiuhong Yang, Xiongfei Huang, Shizhong Wang, Yuanqing Chao, Rongliang Qiu
Phthalate acid esters (PAEs) are of particular concern due to their potential environmental risk to human and nonhuman organisms. Although uptake of PAEs by plants has been reported by several researchers, information about the intracellular distribution and uptake mechanisms of PAEs is still lacking. In this study, a series of hydroponic experiments using intact pumpkin (Cucurbita moschata) seedlings was conducted to investigate how di-n-butyl phthalate (DnBP), one of the most frequently identified PAEs in the environment, enters and is distributed in roots...
January 2016: Environmental Science and Pollution Research International
Mehrnoush Amid, Mohd Yazid Manap, Muhaini Hussin, Shuhaimi Mustafa
Lipase is one of the more important enzymes used in various industries such as the food, detergent, pharmaceutical, textile, and pulp and paper sectors. A novel aqueous two-phase system composed of surfactant and xylitol was employed for the first time to purify lipase from Cucurbita moschata. The influence of different parameters such as type and concentration of surfactants, and the composition of the surfactant/xylitol mixtures on the partitioning behavior and recovery of lipase was investigated. Moreover, the effect of system pH and crude load on the degree of purification and yield of the purified lipase were studied...
2015: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Christina Kurz, Reinhold Carle, Andreas Schieber
Carotenoids including carotenoid esters from six apricot (Prunus armeniaca L.) cultivars and from eight cultivars from three pumpkin species (Cucurbita maxima Duch., Cucurbita pepo L., and Cucurbita moschata Duch.) were extracted without saponification, separated on a C-30 reversed-phase column and characterised by high-performance liquid chromatography/atmospheric pressure chemical ionisation-mass spectrometry (LC-MS). The predominant free carotenoids were quantified by HPLC with diode array detection. In contrast to previously published data, α-carotene could not be detected in apricots...
September 15, 2008: Food Chemistry
Junjun Xie, Bo Lei, Mengliang Niu, Yuan Huang, Qiusheng Kong, Zhilong Bie
MicroRNAs (miRNAs), a class of small non-coding RNAs, recognize their mRNA targets based on perfect sequence complementarity. MiRNAs lead to broader changes in gene expression after plants are exposed to stress. High-throughput sequencing is an effective method to identify and profile small RNA populations in non-model plants under salt stresses, significantly improving our knowledge regarding miRNA functions in salt tolerance. Cucurbits are sensitive to soil salinity, and the Cucurbita genus is used as the rootstock of other cucurbits to enhance salt tolerance...
2015: PloS One
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