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https://www.readbyqxmd.com/read/29287453/functional-and-conformational-changes-to-soy-proteins-accompanying-anthocyanins-focus-on-covalent-and-non-covalent-interactions
#1
Xiaonan Sui, Hongbo Sun, Baokun Qi, Min Zhang, Yang Li, Lianzhou Jiang
The present study was aimed to evaluate the interaction between anthocyanins from black rice and soybean protein isolate (SPI) via non-covalent and covalent bindings and the impact of these interactions on the functional and conformational changes of soybean protein. The conformational changes of the protein structure with different concentrations of anthocyanins (0.05, 0.1%, and 0.2%) were analyzed using three-dimensional fluorescence and Fourier transform infrared spectroscopy. The anthocyanins were more likely to form covalent interactions with SPI instead of non-covalent interactions...
April 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29278922/the-weathering-hypothesis-and-stillbirth-racial-disparities-across-the-life-span
#2
Anne E Brisendine, Whitney S Rice, Samantha S Goldfarb, Martha S Wingate
OBJECTIVE: Given that studies have consistently demonstrated increased risk of stillbirth with increasing maternal age as well as race-ethnic disparities in stillbirth, the primary research question is how stillbirth risks within and between race-ethnic groups change with age. DESIGN: Using fetal death (stillbirth) and live birth data from the National Center for Health Statistics 2007-2014. We calculated crude stillbirth rates (per 1,000 deliveries). Using multivariable logistic regression, we calculated adjusted odds ratios (aOR) and 95% confidence intervals (CI) for stillbirth across age groups to examine disparities in stillbirth among non-Hispanic blacks (blacks) and non-Hispanic whites (whites)...
December 27, 2017: Ethnicity & Health
https://www.readbyqxmd.com/read/29278615/risk-for-speech-and-language-impairments-in-pre-school-aged-hiv-exposed-uninfected-children-with-in-utero-combination-antiretroviral-exposure
#3
Mabel L Rice, Jonathan S Russell, Toni Frederick, Murli Purswani, Paige L Williams, George K Siberry, Sean M Redmond, Howard J Hoffman, Tzy-Jyun Yao
BACKGROUND: Perinatally HIV-exposed but uninfected (HEU) children have elevated risk of late language emergence at age 1 year, with possible links to in utero antiretroviral (ARV) exposure. We investigated possible risks for speech impairments (SI) and language impairments (LI) in preschool monolingual HEU children in the United States. METHODS: Speech and language assessments were conducted as part of the PHACS Surveillance Monitoring of ART Toxicities (SMARTT) study at ages 3 (N= 208) and 5 (N = 429) years...
December 22, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/29244752/proteomic-analysis-reveals-coordinated-regulation-of-anthocyanin-biosynthesis-through-signal-transduction-and-sugar-metabolism-in-black-rice-leaf
#4
Linghua Chen, Yining Huang, Ming Xu, Zuxin Cheng, Jingui Zheng
Black rice (Oryza sativa L.) is considered to be a healthy food due to its high content of anthocyanins in the pericarp. The synthetic pathway of anthocyanins in black rice grains has been identified, however, the proteomic profile of leaves during grain development is still unclear. Here, isobaric Tags Relative and Absolute Quantification (iTRAQ) MS/MS was carried out to identify statistically significant changes of leaf proteome in the black rice during grain development. Throughout three sequential developmental stages, a total of 3562 proteins were detected and 24 functional proteins were differentially expressed 3-10 days after flowering (DAF)...
December 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29215744/identification-of-virus-derived-sirnas-and-their-targets-in-rbsdv-infected-rice-by-deep-sequencing
#5
Ying Lan, Yanwu Li, Zhiguo E, Feng Sun, Linlin Du, Qiufang Xu, Tong Zhou, Yijun Zhou, Yongjian Fan
RNA interference (RNAi) is a conserved mechanism against viruses in plants and animals. It is thought to inactivate the viral genome by producing virus-derived small interfering RNAs (vsiRNAs). Rice black-streaked dwarf virus (RBSDV) is transmitted to plants by the small brown planthopper (Laodelphax striatellus), and seriously threatens production of rice in East Asia, particularly Oryza sativa japonica subspecies. Through deep sequencing, genome-wide comparisons of RBSDV-derived vsiRNAs were made between the japonica variety Nipponbare, and the indica variety 9311...
December 7, 2017: Journal of Basic Microbiology
https://www.readbyqxmd.com/read/29186962/genomic-and-phylogenetic-evidence-that-maize-rough-dwarf-and-rice-black-streaked-dwarf-fijiviruses-should-be-classified-as-different-geographic-strains-of-a-single-species
#6
L Xie, M-F Lv, J Yang, J-P Chen, H-M Zhang
Maize rough dwarf disease (MRDD) has long been known as one of the most devastating viral diseases of maize worldwide and is caused by single or complex infection by four fijiviruses: Maize rough dwarf virus (MRDV) in Europe and the Middle East, Mal de Rio Cuarto virus (MRCV) in South America, rice black-streaked dwarf virus (RBSDV), and Southern rice black-streaked dwarf virus (SRBSDV or Rice black-streaked dwarf virus 2, RBSDV-2) in East Asia. These are currently classified as four distinct species in the genus Fijivirus, family Reoviridae, but their taxonomic status has been questioned...
2017: Acta Virologica
https://www.readbyqxmd.com/read/29184063/phloem-limited-reoviruses-universally-induce-sieve-element-hyperplasia-and-more-flexible-gateways-providing-more-channels-for-their-movement-in-plants
#7
Ming-Fang Lv, Li Xie, Xi-Jiao Song, Jian Hong, Qian-Zhuo Mao, Tai-Yun Wei, Jian-Ping Chen, Heng-Mu Zhang
Virion distribution and ultrastructural changes induced by the infection of maize or rice with four different reoviruses were examined. Rice black streaked dwarf virus (RBSDV, genus Fijivirus), Rice ragged stunt virus (RRSV, genus Oryzavirus), and Rice gall dwarf virus (RGDV, genus Phytoreovirus) were all phloem-limited and caused cellular hyperplasia in the phloem resulting in tumors or vein swelling and modifying the cellular arrangement of sieve elements (SEs). In contrast, virions of Rice dwarf virus (RDV, genus Phytoreovirus) were observed in both phloem and mesophyll and the virus did not cause hyperplasia of SEs...
November 28, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29172722/effect-of-switch-trimming-on-udder-and-teat-hygiene-of-dairy-cows
#8
Heather D Ingle, Christa A Rice, Randi A Black, Sarah Z Childers, Nicole L Eberhart, Maria E Prado, Peter D Krawczel
The study objective was to determine the effects of trimming the switch of dairy cows on teat-end bacterial counts and udder hygiene scores. Cows (n = 102) were blocked by days in milk, milk production, and parity and then assigned to (a) treatment (trimming of their tail switch using a commercially available trimmer), or (b) control (unaltered tails). Udder hygiene was recorded for cows on Days 0 (initiation of treatment), 32, and 64. A subset of cows (n = 21) was used to assess Streptococci and coliform bacterial populations on teat ends...
November 27, 2017: Journal of Applied Animal Welfare Science: JAAWS
https://www.readbyqxmd.com/read/29161632/ambient-air-pollution-adipokines-and-glucose-homeostasis-the-framingham-heart-study
#9
Wenyuan Li, Kirsten S Dorans, Elissa H Wilker, Mary B Rice, Itai Kloog, Joel D Schwartz, Petros Koutrakis, Brent A Coull, Diane R Gold, James B Meigs, Caroline S Fox, Murray A Mittleman
OBJECTIVE: To examine associations of proximity to major roadways, sustained exposure to fine particulate matter (PM2.5), and acute exposure to ambient air pollutants with adipokines and measures of glucose homeostasis among participants living in the northeastern United States. METHODS: We included 5958 participants from the Framingham Offspring cohort examination cycle 7 (1998-2001) and 8 (2005-2008) and Third Generation cohort examination cycle 1 (2002-2005) and 2 (2008-2011), who did not have type 2 diabetes at the time of examination visit...
November 18, 2017: Environment International
https://www.readbyqxmd.com/read/29141205/investigation-of-alimentary-canal-ultrastructure-following-knockdown-of-the-dicer-2-gene-in-planthoppers-reveals-the-potential-pathogenicity-of-southern-rice-black-streaked-dwarf-virus-to-its-insect-vector
#10
Yuyan Liu, Qianzhuo Mao, Hanhong Lan, Haitao Wang, Taiyun Wei, Qian Chen
An increasing number of studies are suggesting that plant viruses, including southern rice black-streaked dwarf virus (SRBSDV), can adversely affect biological characteristics of insect vectors by unknown mechanisms. To study the adverse effect of SRBSDV at cellular level on the insect vector, we promoted viral infection by the disruption of the small interfering RNA (siRNA) pathway. The transmission electron microscopy was utilized to describe the ultrastructural changes that occurred in insects when the core component of the siRNA pathway, Dicer-2, was knocked down...
November 12, 2017: Virus Research
https://www.readbyqxmd.com/read/29112649/racial-and-ethnic-differences-in-utilization-of-labor-management-strategies-intended-to-reduce-cesarean-delivery-rates
#11
Lynn M Yee, Maged M Costantine, Madeline Murguia Rice, Jennifer Bailit, Uma M Reddy, Ronald J Wapner, Michael W Varner, John M Thorp, Steve N Caritis, Mona Prasad, Alan T N Tita, Yoram Sorokin, Dwight J Rouse, Sean C Blackwell, Jorge E Tolosa
OBJECTIVE: To examine whether racial and ethnic differences exist in the frequency of and indications for cesarean delivery and to assess whether application of labor management strategies intended to reduce cesarean delivery rates is associated with patient's race and ethnicity. METHODS: This is a secondary analysis of a multicenter observational obstetric cohort. Trained research personnel abstracted maternal and neonatal records of greater than 115,000 pregnant women from 25 hospitals (2008-2011)...
November 3, 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29093331/germinated-waxy-black-rice-ameliorates-hyperglycemia-and-dyslipidemia-in-streptozotocin-induced-diabetic-rats
#12
Hye Won Kang, Won-Chul Lim, Jin-Kyu Lee, Jin-Nyoung Ho, Eun-Jeong Lim, Hong-Yon Cho
This study aimed to examine the anti-diabetic effect of germinated waxy black rice (GWBR) using streptozotocin (STZ)-induced diabetic rats. In the diabetic rats, GWBR supplementation for 8 weeks reduced plasma blood glucose concentrations, improved glucose clearance and prevented diabetes-induced weight loss. Rats with STZ-induced diabetes who received GWBR supplementation exhibited decreased expression of sodium-dependent glucose transporter 1 (SGLT1) and glucose transporter (GLUT) 2 genes and proteins in the small intestine via decreases in hepatocyte nuclear factor (HNF)-1α, HNF-1β, and HNF-4α, transcriptional factors that are involved in the regulation of SGLT1 and GLUT2, compared with the rats with STZ-induced diabetes that did not receive GWBR supplements...
2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/29050971/a-simple-method-for-obtaining-rice-black-streaked-dwarf-virus-infected-small-brown-planthopper-nymphs
#13
Changwei Zhou, Shuo Li, Yijun Zhou, Yongjian Fan
Rice black-streaked dwarf virus (RBSDV), an important rice virus, is transmitted by vector small brown planthopper (SBPH) in a persistent manner, but not transovarial transmission. In order to obtain viruliferous SBPH nymphs for relevant research, a simple and reliable method was developed, through allowing SBPH adults laying eggs on RBSDV-infected rice plants. The results showed the hatching nymphs on diseased plants could early acquire virus, and the virus was detected in 2nd-instar nymphs from the spawning method, which was earlier than insect feed on diseased plant...
January 2018: Journal of Virological Methods
https://www.readbyqxmd.com/read/29046501/characterization-of-amylolytic-enzyme-overproducing-mutant-of-aspergillus-luchuensis-obtained-by-ion-beam-mutagenesis
#14
Toshihiro Kojo, Chihiro Kadooka, Marisa Komohara, Shiori Onitsuka, Miya Tanimura, Yukiko Muroi, Shugo Kurazono, Yohei Shiraishi, Ken Oda, Kazuhiro Iwashita, Masahira Onoue, Kayu Okutsu, Yumiko Yoshizaki, Kazunori Takamine, Taiki Futagami, Kazuki Mori, Hisanori Tamaki
Aspergillus luchuensis is a kuro (black) koji fungus that has been used as a starch degrader for the awamori- and shochu-making industries in Japan. In this study, we investigated the effect of ion beam irradiation on A. luchuensis RIB2601 and obtained a high starch-degrading mutant strain U1. Strain U1 showed reduced growth rate, whereas it showed higher α-amylase, glucoamylase, and α-glucosidase activities on a mycelial mass basis than the wild type (wt) strain both on agar plates and in rice koji. In addition, strain U1 showed higher N-acetylglucosamine content in the cell wall and higher sensitivity to calcofluor white, suggesting a deficiency in cell wall composition...
October 17, 2017: Journal of General and Applied Microbiology
https://www.readbyqxmd.com/read/29039492/black-rice-derived-anthocyanins-inhibit-her-2-positive-breast-cancer-epithelial-mesenchymal-transition-mediated-metastasis-in%C3%A2-vitro-by-suppressing-fak-signaling
#15
Jie Zhou, Yan-Feng Zhu, Xiang-Yan Chen, Bin Han, Fei Li, Jing-Yao Chen, Xiao-Li Peng, Li-Ping Luo, Wei Chen, Xiao-Ping Yu
This study aimed to investigate the role of focal adhesion kinase (FAK) signaling in the inhibitory effects of black rice anthocyanins (BRACs) on human epidermal growth factor receptor-2 (HER-2)-positive human breast cancer cell metastasis, using the MCF-10A, MCF-7 and MDA-MB-453 cells. BRACs exerted an anti-metastatic effect on the HER-2-positive breast cancer cells. The effects of BRACs on the proliferation of the MDA-MB-453 cells were examined by cell counting kit-8 assay. A wound-healing assay was used to examine the effects of BRACs on the migration of the breast cancer cells...
October 11, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29037710/cooking-quality-properties-and-free-and-bound-phenolics-content-of-brown-black-and-red-rice-grains-stored-at-different-temperatures-for-six-months
#16
Valmor Ziegler, Cristiano Dietrich Ferreira, Jessica Fernanda Hoffmann, Fábio Clasen Chaves, Nathan Levien Vanier, Maurício de Oliveira, Moacir Cardoso Elias
The changes in cooking quality and phenolic composition of whole black and red rice grains stored during six months at different temperatures were evaluated. Brown rice with known cooking quality properties and low phenolic levels was used for purposes comparison. All rice genotypes were stored at 13% moisture content at temperatures of 16, 24, 32, and 40°C. Cooking time, hardness, free and bound phenolics, anthocyanins, proanthocyanidins, and free radical scavenging capacity were analysed. The traditional rice with brown pericarp exhibited an increase in cooking time and free phenolics content, while rice with black pericarp exhibited a reduction in cooking time after six months of storage at the highest studied temperature of 40°C...
March 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29037704/comparison-of-the-effect-of-chemical-composition-of-anthocyanin-rich-plant-extracts-on-colon-cancer-cell-proliferation-and-their-potential-mechanism-of-action-using-in-vitro-in-silico-and-biochemical-assays
#17
Candice Mazewski, Katie Liang, Elvira Gonzalez de Mejia
The objective was to compare the anti-proliferative effect of anthocyanin-rich plant extracts on human colon cancer cells and determine their mechanism of action. Eleven extracts were tested: red (RG) and purple grape, purple sweet potato, purple carrot, black and purple bean, black lentil (BL), black peanut, sorghum (SH), black rice, and blue wheat. HCT-116 and HT-29 inhibition correlated with total phenolics (r=0.87 and 0.77, respectively), delphinidin-3-O-glucoside concentration with HT-29 inhibition (r=0...
March 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29035012/regulatory-effects-of-black-rice-extract-on-helicobacter-pylori-infection-induced-apoptosis
#18
Sa-Hyun Kim, Min Ho Lee, Min Park, Hyun Jun Woo, Yoon Suk Kim, Nagendran Tharmalingam, Woo-Duck Seo, Jong-Bae Kim
SCOPE: Black rice extract (BRE) contains cyanidin 3-O-glucoside (C3G), an anthocyanin, as the major component. In this study, we found that BRE inhibited the mRNA and protein expression of genes encoding cytotoxin-associated protein A (cagA) and vacuolating protein A (vacA) in Helicobacter pylori 60190 strain. METHODS AND RESULTS: We performed RT-PCR and western blotting to show that BRE inhibited the mRNA and protein expression of SecA. Because SecA is involved in VacA export in bacteria, our result suggested a positive correlation between BRE-induced inhibition of secA expression and VacA secretion...
October 16, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/29030875/protection-of-grain-products-from-sitophilus-oryzae-l-contamination-by-anti-insect-pest-repellent-sachet-containing-allyl-mercaptan-microcapsule
#19
Yoonjee Chang, Soo-Hyun Lee, Ja Hyun Na, Pahn-Shick Chang, Jaejoon Han
The purpose of this study was to develop an anti-insect pest repellent sachet to prevent Sitophilus oryzae (L.) (Coleoptera: Curculionidae) contamination in grain packaging. The anti-insect pest activities of essential oils (EOs) from garlic (Allium Sativum), ginger (Zingiber Officinalis), black pepper (Piper nigrum), onion (Allium cepa), and fennel (Foeniculum vulgare) as well as major compounds (allyl disulfide, AD; allyl mercaptan, AM) isolated from of garlic and onion (AD and AM) were measured against S...
October 14, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/29027705/effects-of-dietary-supplementation-of-spices-on-forage-degradability-ruminal-fermentation-in-vivo-digestibility-growth-performance-and-nitrogen-balance-in-black-bengal-goat
#20
M R Chowdhury, M M H Khan, S U Mahfuz, M A Baset
The objective of the study was to evaluate the effects of spices on forage utilization and nitrogen (N) emission using in vitro and in vivo approach. A 6 × 5 factorial triplicate arrangement was used to assess the in vitro degradability of rice straw with control (without spices) and individual (40 mg/g rice straw) spices (cumin, coriander, clove, black cumin, turmeric) at five different incubation times. In vitro dry matter (DM) and organic matter (OM) degradability of rice straw were highest in presence of spices except for clove...
October 13, 2017: Journal of Animal Physiology and Animal Nutrition
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