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https://www.readbyqxmd.com/read/29145390/morphological-and-molecular-characterization-of-brazilian-populations-of-diatraea-saccharalis-fabricius-1794-lepidoptera-crambidae-and-the-evolutionary-relationship-among-species-of-diatraea-guilding
#1
Fabricio J B Francischini, Jaqueline Bueno de Campos, Alessandro Alves-Pereira, João Paulo Gomes Viana, Christopher C Grinter, Steven J Clough, Maria I Zucchi
The sugarcane borer or corn stalk borer, Diatraea Guilding is polyphagous insect pest of many important crops such as corn, sorghum and sugarcane. Losses arising from the attack of Diatraea species have been a serious problem, which may cause loss in sugarcane production around 0.25% in sugar, 0.20% in alcohol and 0.77% of body weight for every 1% infestation and up to 21% in corn production fields. In Brazil, the most commonly reported species are Diatraea saccharalis (Fabricius, 1794) and Diatraea impersonatella (Walker, 1863) (= D...
2017: PloS One
https://www.readbyqxmd.com/read/29140989/joint-approach-based-on-clinical-and-imaging-features-to-distinguish-non-neoplastic-from-neoplastic-pituitary-stalk-lesions
#2
Ji Ye Lee, Ji Eun Park, Woo Hyun Shim, Seung Chai Jung, Choong Gon Choi, Sang Joon Kim, Jeong Hoon Kim, Ho Sung Kim
PURPOSE: Distinguishing non-neoplastic pituitary stalk lesions (non-NPSLs) from neoplastic pituitary stalk lesions (NPSLs) is a major concern in guiding treatment for a thickened pituitary stalk. Our study aimed to aid provide preoperative diagnostic assistance by combining clinical and magnetic resonance imaging (MRI) findings to distinguish non-NPSLs from NPSLs. MATERIALS AND METHODS: We recruited 158 patients with thickened pituitary stalk lesions visible on MRI...
2017: PloS One
https://www.readbyqxmd.com/read/29138433/transcriptomic-analysis-of-the-regulation-of-stalk-development-in-flowering-chinese-cabbage-brassica-campestris-by-rna-sequencing
#3
Xinmin Huang, Yuling Lei, Hongling Guan, Yanwei Hao, Houcheng Liu, Guangwen Sun, Riyuan Chen, Shiwei Song
Flowering Chinese cabbage is a stalk vegetable whose quality and yield are directly related to stalk development. However, no comprehensive investigations on stalk development have been performed. To address this issue, the present study used RNA sequencing to investigate transcriptional regulation at three key stages (seedling, bolting, and flowering) of stalk development in flowering Chinese cabbage. Anatomical analysis revealed that cell division was the main mode of stalk thickening and elongation at all key stages...
November 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29138072/preoperative-assessment-of-craniopharyngioma-adherence-mri-findings-correlated-with-the-severity-of-tumor-attachment-to-the-hypothalamus
#4
Ruth Prieto, José M Pascual, Maria Rosdolsky, Laura Barrios
BACKGROUND: Craniopharyngioma (CP) adherence represents a heterogeneous pathological feature that critically influences the potentially safe and radical resection. OBJECTIVE: To define the MRI predictors of CP adherence severity. METHODS: This study retrospectively investigated a cohort of 200 surgically treated CPs with their corresponding preoperative conventional MRI scans. MRI findings related to the distortions of anatomical structures along the sella turcica-third ventricle axis caused by CPs, in addition to the tumor's shape and calcifications were analyzed and correlated with the definitive type of CP adherence observed during the surgical procedures...
November 11, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29136008/automated-tracking-and-quantification-of-angiogenic-vessel-formation-in-3d-microfluidic-devices
#5
Mengmeng Wang, Lee-Ling Sharon Ong, Justin Dauwels, H Harry Asada
Angiogenesis, the growth of new blood vessels from pre-existing vessels, is a critical step in cancer invasion. Better understanding of the angiogenic mechanisms is required to develop effective antiangiogenic therapies for cancer treatment. We culture angiogenic vessels in 3D microfluidic devices under different Sphingosin-1-phosphate (S1P) conditions and develop an automated vessel formation tracking system (AVFTS) to track the angiogenic vessel formation and extract quantitative vessel information from the experimental time-lapse phase contrast images...
2017: PloS One
https://www.readbyqxmd.com/read/29132780/sustainable-wineries-through-waste-valorisation-a-review-of-grape-marc-utilisation-for-value-added-products
#6
REVIEW
Richard A Muhlack, Ravichandra Potumarthi, David W Jeffery
Grapes are one of the most cultivated fruits worldwide, with one third of total production used in winemaking. Both red and white winemaking processes result in substantial quantities of solid organic waste, such as grape marc (pomace) and stalks, which requires suitable disposal. Grape marc accounts for approximately 10-30% of the mass of grapes crushed and contains unfermented sugars, alcohol, polyphenols, tannins, pigments, and other valuable products. Being a natural plant product rich in lignocellulosic compounds, grape marc is also a promising feedstock for renewable energy production...
November 10, 2017: Waste Management
https://www.readbyqxmd.com/read/29130118/sox10-positive-cells-emerge-in-the-rat-pituitary-gland-during-late-embryogenesis-and-start-to-express-s100%C3%AE
#7
Hiroki Ueharu, Saishu Yoshida, Naoko Kanno, Kotaro Horiguchi, Naoto Nishimura, Takako Kato, Yukio Kato
In the pituitary gland, S100β-positive cells localize in the neurohypophysis and adenohypophysis but the lineage of the two groups remains obscure. S100β is often observed in many neural crest-derived cell types. Therefore, in this study, we investigate the origin of pituitary S100β-positive cells by immunohistochemistry for SOX10, a potent neural crest cell marker, using S100β-green fluorescence protein-transgenic rats. On embryonic day 21.5, a SOX10-positive cell population, which was also positive for the stem/progenitor cell marker SOX2, emerged in the pituitary stalk and posterior lobe and subsequently expanded to create a rostral-caudal gradient on postnatal day 3 (P3)...
November 13, 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/29127501/characterization-of-a-novel-yeast-species-metschnikowia-persimmonesis-kctc-12991bp-kiom-g15050-type-strain-isolated-from-a-medicinal-plant-korean-persimmon-calyx-diospyros-kaki-thumb
#8
Young Min Kang, Ji Eun Choi, Richard Komakech, Jeong Hwan Park, Dae Wook Kim, Kye Man Cho, Seung Mi Kang, Sang Haeng Choi, Kun Chul Song, Chung Min Ryu, Keun Chul Lee, Jung-Sook Lee
The yeast strain Metschnikowia persimmonesis Kang and Choi et al., sp. nov. [type strain KIOM_G15050 = Korean Collection for Type Cultures (KCTC) 12991BP] was isolated from the stalk of native persimmon cultivars (Diospyros kaki Thumb) obtained from different regions of South Korea and was characterized phenotypically, genetically, and physiologically. The isolate grew between 4 and 40 °C (optimum temperature: 24-28 °C), pH 3-8 (pH optimum = 6.0), and in 0-4% NaCl solution (with optimal growth in absence of NaCl)...
November 10, 2017: AMB Express
https://www.readbyqxmd.com/read/29126399/production-and-purification-of-chimeric-hbc-virus-like-particles-carrying-influenza-virus-lah-domain-as-vaccine-candidates
#9
Andris Kazaks, I-Na Lu, Sophie Farinelle, Alex Ramirez, Vincenzo Crescente, Benjamin Blaha, Olotu Ogonah, Tarit Mukhopadhyay, Mapi Perez de Obanos, Alejandro Krimer, Inara Akopjana, Janis Bogans, Velta Ose, Anna Kirsteina, Tatjana Kazaka, Nicola J Stonehouse, David J Rowlands, Claude P Muller, Kaspars Tars, William M Rosenberg
BACKGROUND: The lack of a universal influenza vaccine is a global health problem. Interest is now focused on structurally conserved protein domains capable of eliciting protection against a broad range of influenza virus strains. The long alpha helix (LAH) is an attractive vaccine component since it is one of the most conserved influenza hemagglutinin (HA) stalk regions. For an improved immune response, the LAH domain from H3N2 strain has been incorporated into virus-like particles (VLPs) derived from hepatitis B virus core protein (HBc) using recently developed tandem core technology...
November 10, 2017: BMC Biotechnology
https://www.readbyqxmd.com/read/29122595/an-at-hook-protein-depressed-palea1-physically-interacts-with-the-tcp-family-transcription-factor-retarded-palea1-in-rice
#10
Dedong Yin, Xue Liu, Zhenying Shi, Dayong Li, Lihuang Zhu
The cereal crops (such as rice and maize) which belong to the grass family, are the most important grain crops for human beings, and the development of their flower and inflorescence architecture have attracted extensive attention. Although multiple genes involved in the regulation of floral and inflorescence organogenesis have been identified, the underlying molecular mechanisms are largely unknown. Previously, we identified rice depressed palea1 (dp1) mutants with defects in main structure of palea and its enhancer RETARDED PALEA1 (REP1)...
November 6, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29118924/effects-of-targeted-cd97-immune-epitopes-small-interference-rna-on-cellular-biological-behaviors-in-mda-mb231-malignant-breast-cancer-cell-line
#11
Hua Tian, Yang Chen, Jian-Gang Zhao, Da-Ren Liu, Wei-Hua Gong, Li Chen, Yu-Lian Wu, Jian-An Wang
Two CD97 immune epitopes, CD97(EGF) (epidermal growth factor domain) and CD97(Stalk) (stalk domain), have different distribution patterns in malignant epidermal tumors. However, little is known about the effect of CD97(EGF) and CD97(Stalk) immune epitopes in breast cancer metastasis. To explore the effects on cell proliferation, infiltration, apoptosis, and the cell cycle, we used small interfering RNA (siRNA) against CD97(EGF) and CD97(Stalk) immune epitopes to knock down CD97 in MDA-MB231 breast cancer cells...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/29117168/stalking-new-vaccines-methods-that-target-the-stems-of-viral-proteins-could-put-universal-vaccines-within-reach
#12
Carrie Arnold
No abstract text is available yet for this article.
November 7, 2017: Nature Medicine
https://www.readbyqxmd.com/read/29109817/diagnosis-of-the-diatom-community-upon-biofilm-development-on-stainless-steels-in-natural-freshwater
#13
Caroline Richard, Smita Mitbavkar, Jessem Landoulsi
This paper reports the development of biofilms on stainless steels (SS) upon exposure in a natural freshwater ecosystem for about six months and focuses on the composition of diatom populations. By using environmental scanning electron microscopy (ESEM) technique, we provide a detailed description regarding diatom identification at species level as well as their main characteristics, including type, morphology, ability to form colony, and motility. Results reveal the presence of both prostrate (initial colonizers) and stalked (late colonizers) forms...
2017: Scanning
https://www.readbyqxmd.com/read/29107171/progression-from-isolated-growth-hormone-deficiency-to-combined-pituitary-hormone-deficiency
#14
REVIEW
Manuela Cerbone, Mehul T Dattani
Growth hormone deficiency (GHD) can present at any time of life from the neonatal period to adulthood, as a result of congenital or acquired insults. It can present as an isolated problem (IGHD) or in combination with other pituitary hormone deficiencies (CPHD). Pituitary deficits can evolve at any time from GHD diagnosis. The number, severity and timing of occurrence of additional endocrinopathies are highly variable. The risk of progression from IGHD to CPHD in children varies depending on the etiology (idiopathic vs organic)...
October 19, 2017: Growth Hormone & IGF Research
https://www.readbyqxmd.com/read/29103704/characterization-of-linoleic-acid-c18-2-concentration-in-commercial-corn-silage-and-grain-hybrids
#15
M Baldin, Y Ying, Y Fan, G Roth, D P Casper, K J Harvatine
Corn silage and high-moisture corn grain are commonly recognized as risk factors for biohydrogenation-induced milk fat depression and may be due to the high concentration of linoleic acid (C18:2) in corn. Corn silage and corn grain have a low concentration of fatty acids (FA), but due to their high inclusion rate in diets they contribute substantially to unsaturated FA intake. The first objective of this study was to characterize the contribution of individual plant parts to total FA in whole-plant chopped corn...
November 2, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29101893/removal-of-chromophore-in-enzymatic-hydrolysis-by-acid-precipitation-to-improve-the-quality-of-xylo-oligosaccharides-from-corn-stalk
#16
Yue-Hai Wang, Jie Zhang, Yong-Shui Qu, Hong-Qiang Li
As the most representative functional sugar, the application areas and market demands of xylo-oligosaccharides (XOS) have been expanding year by year. Owing to the complex structure of corn stalk (CS), XOS obtained from CS are accompanied by problems such as low purity and high color value, which degrade the product. To improve the quality of XOS from CS, the enzymatic hydrolysis was precipitated by acid; then, the ethanol elution concentration was systematically investigated after optimizing the adsorption conditions...
August 16, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/29101473/tracking-maize-pollen-development-by-the-leaf-collar-method
#17
Kevin Begcy, Thomas Dresselhaus
An easy and highly reproducible nondestructive method named the Leaf Collar Method is described to identify and characterize the different stages of pollen development in maize. In plants, many cellular events such as meiosis, asymmetric cell division, cell cycle regulation, cell fate determination, nucleus movement, vacuole formation, chromatin condensation and epigenetic modifications take place during pollen development. In maize, pollen development occurs in tassels that are confined within the internal stalk of the plant...
November 4, 2017: Plant Reproduction
https://www.readbyqxmd.com/read/29097696/natural-and-directed-antigenic-drift-of-the-h1-influenza-virus-hemagglutinin-stalk-domain
#18
Christopher S Anderson, Sandra Ortega, Francisco A Chaves, Amelia M Clark, Hongmei Yang, David J Topham, Marta L DeDiego
The induction of antibodies specific for the influenza HA protein stalk domain is being pursued as a universal strategy against influenza virus infections. However, little work has been done looking at natural or induced antigenic variability in this domain and the effects on viral fitness. We analyzed human H1 HA head and stalk domain sequences and found substantial variability in both, although variability was highest in the head region. Furthermore, using human immune sera from pandemic A/California/04/2009 immune subjects and mAbs specific for the stalk domain, viruses were selected in vitro containing mutations in both domains that partially contributed to immune evasion...
November 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29093440/quantitative-microscopy-of-the-drosophila-ovary-shows-multiple-niche-signals-specify-progenitor-cell-fate
#19
Wei Dai, Amy Peterson, Thomas Kenney, Haley Burrous, Denise J Montell
Adult stem cells commonly give rise to transit-amplifying progenitors, whose progeny differentiate into distinct cell types. It is unclear if stem cell niche signals coordinate fate decisions within the progenitor pool. Here we use quantitative analysis of Wnt, Hh, and Notch signalling reporters and the cell fate markers Eyes Absent (Eya) and Castor (Cas) to study the effects of hyper-activation and loss of niche signals on progenitor development in the Drosophila ovary. Follicle stem cell (FSC) progeny adopt distinct polar, stalk, and main body cell fates...
November 1, 2017: Nature Communications
https://www.readbyqxmd.com/read/29091845/green-and-sustainable-succinic-acid-production-from-crude-glycerol-by-engineered-yarrowia-lipolytica-via-agricultural-residue-based-in-situ-fibrous-bed-bioreactor
#20
Chong Li, Shi Gao, Xiaofeng Yang, Carol Sze Ki Lin
In situ fibrous bed bioreactor (isFBB) for efficient succinic acid (SA) production by Yarrowia lipolytica was firstly developed in our former study. In this study, agricultural residues including wheat straw, corn stalk and sugarcane bagasse were investigated for the improvement of isFBB, and sugarcane bagasse was demonstrated to be the best immobilization material. With crude glycerol as the sole carbon source, optimization for isFBB batch fermentation was carried out. Under the optimal conditions of 20g sugarcane bagasse as immobilization material, 120gL(-1) crude glycerol as carbon source and 4Lmin(-1) of aeration rate, the resultant SA concentration was 53...
October 12, 2017: Bioresource Technology
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