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https://www.readbyqxmd.com/read/29692096/-effects-of-light-quality-on-leaf-senescence-and-endogenous-hormones-content-in-grapevine-under-protected-cultivation
#1
Hai Bo Wang, Shuai Wang, Xiao di Wang, Xiang Bin Shi, Bao Liang Wang, Xiao Cui Zheng, Zhi Qiang Wang, Feng Zhi Liu
Two grape varieties 'Italia' and 'Centenial seedless' cultured in protected and delayed cultivation were used as experimental materials to study the effects of red and blue light quality on chlorophyll content, net photosynthetic rate, and endogenous hormone content during leaf senescence. The results showed that the chlorophyll content and net photosynthetic rate of the grapes were significantly enhanced in the red light treatment. Although the content of endogenous GA3 was decreased, an increase in abscisic acid (ABA) content and a decrease of total content of zeaxanthin (ZR) were obviously slowed, which led to the significant increase in value of (GA3 +ZR)/ABA, delaying leaf senescence...
November 2017: Ying Yong Sheng Tai Xue Bao, the Journal of Applied Ecology
https://www.readbyqxmd.com/read/29692085/-application-of-non-invasive-microelectrode-ion-flux-estimation-technique-in-crop-stress-physiology
#2
Ke Liu, Bing Lin Zhang, Wen Ying Zhang, Yun Bo Zhang, Xiao Hai Tian
Non-invasive microsensing technique has been widely used in evaluating the adaptive responses of plant cells and tissues to abiotic stresses. One of the representative techniques is the microelectrode ion flux estimation (MIFE), which allows concurrent quantification of net fluxes with high spatial and temporal resolution. More importantly, this technique permits simultaneous recording of ion concentration and mobility with less intervention to the in situ physiological status. With the availability of such advanced technique, the last three decades have seen a significant progress towards the role of ion signaling in a variety of abiotic stresses including salinity, extreme temperature, osmotic stress, hypoxia, and drought...
February 2018: Ying Yong Sheng Tai Xue Bao, the Journal of Applied Ecology
https://www.readbyqxmd.com/read/29692040/-the-continuous-trophic-spectrum-of-food-web-in-dalian-marine-area-china
#3
Jia Shen Tian, Jia Bo Han, Zhi Chuang Lu, Zhi Qiang Ma, Duo Hui Li, Bai Wang, Yi Bing Liu
This study analyzed the values of δ13 C and δ15 N by the application of stable isotope technique from the marine mammals (Phoca largha, Neophocaena asiaorientalis sunameri, Balaenoptera acutorostrata) and major biological species in Dalian marine area based on the animals collected due to stranding and death after bycatch from January, 2008 to June, 2017, and the fisheries resources investigation between autumn, 2016 and spring, 2017 in the same area. The trophic level was then calculated in order to establish the continuous trophic spectrum of the food web in Dalian marine area...
January 2018: Ying Yong Sheng Tai Xue Bao, the Journal of Applied Ecology
https://www.readbyqxmd.com/read/29691644/mir-101-3p-induces-autophagy-in-endometrial-carcinoma-cells-by-targeting-ezh2
#4
Cuilan Wang, Bo Liu
OBJECTIVE: This study aimed to investigate the effect of miR-101-3p on autophagy in endometrial carcinoma (EC) cells and the connection between miR-101-3p and EZH2. METHODS: The expression levels of miRNAs were analyzed by microarray. The expression level of autophagy related proteins was measured by western blot. The mRNA expression level of beclin-1 was determined by qRT-PCR. Autophagy in EC cells was traced by GFP-LC3 fusion protein and observed by fluorescence microscopy...
April 24, 2018: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29691314/inferring-roles-in-defense-from-metabolic-allocation-of-rice-diterpenoids
#5
Xuan Lu, Juan Zhang, Benjamin Brown, Riqing Li, Julio Rodríguez-Romero, Aileen Berasategui, Bo Liu, Meimei Xu, Dangping Luo, Zhiqiang Pan, Scott Baerson, Jonathan Gershenzon, Zhaohu Li, Ane Sesma, Bing Yang, Reuben J Peters
Among their responses to microbial infection, plants deploy an arsenal of natural antibiotic products. These historically have been identified on the basis of their antibiotic activity in vitro, which leaves open the question of their relevance to defense in planta. The vast majority of such natural products from the important crop plant rice (Oryza sativa) are diterpenoids whose biosynthesis proceeds via either ent- or syn- copalyl diphosphate (CPP) intermediates, and which were isolated on the basis of their antibiotic activity against the fungal blast pathogen Magnaporthe oryzae...
April 24, 2018: Plant Cell
https://www.readbyqxmd.com/read/29690745/-advances-in-the-research-of-effects-of-glutamine-on-immune-function-of-burn-patients
#6
Y H Liu, P F Guo, G Y Chen, Y C Bo, Y Ma, Z J Cui
Glutamine is the most abundant amino acid found in plasma and cells. It is the preferred fuel for enterocytes in the small intestine, macrophages, and lymphocytes. After serious burn, increased requirement of glutamine by the gastrointestinal tract, kidney and lymphocytes, and relatively insufficient self synthesis likely contribute to the rapid decline of glutamine in circulation and cells. Glutamine supplementation can not only protect intestinal mucosa, maintain normal intestinal barrier function, reduce bacterial translocation, and enhance the intestinal immune function, but also increase the number of lymphocytes, enhance the phagocytic function of macrophage, promote the synthesis of immunoglobulin, and reduce the body's inflammatory response, so as to enhance the immune function...
April 20, 2018: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/29690613/effect-of-reaction-temperature-on-structure-appearance-and-bonding-type-of-functionalized-graphene-oxide-modified-p-phenylene-diamine
#7
Hong-Juan Sun, Bo Liu, Tong-Jiang Peng, Xiao-Long Zhao
In this study, graphene oxides with different functionalization degrees were prepared by a facile one-step hydrothermal reflux method at various reaction temperatures using graphene oxide (GO) as starting material and p -phenylenediamine (PPD) as the modifier. The effects of reaction temperature on structure, appearance and bonding type of the obtained materials were investigated by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), X-ray photoelectron spectroscopy (XPS), and scanning electron microscopy (SEM)...
April 23, 2018: Materials
https://www.readbyqxmd.com/read/29690295/the-first-green-lacewing-insecta-neuroptera-chrysopidae-from-the-mid-cretaceous-amber-of-myanmar
#8
Xiumei Lu, Bo Wang, Michael Ohl, Xingyue Liu
The lacewing family Chrysopidae is here reported from the mid-Cretaceous amber of Myanmar for the first time. A new genus and species, Parabaisochrysa xingkei gen. et sp. nov., is described. The new genus belongs to the extinct subfamily Limaiinae and is characterized by the presence of three gradate series of crossveins in both fore- and hind wing, and by the MP1 coalescent with RP+MA in the hind wing.
March 22, 2018: Zootaxa
https://www.readbyqxmd.com/read/29689828/taxonomic-notes-on-cretarophalis-patrickmuelleri-wichard-2017-insecta-neuroptera-nevrorthidae-from-the-mid-cretaceous-of-myanmar-and-its-phylogenetic-significance
#9
Xiumei Lu, Fangyuan Xia, Bo Wang, Ulrike AspÖck, Xingyue Liu
Nevrorthidae is a family of Neuroptera with low species diversity, disjunct geographic distributions, and a controversial phylogenetic status. Previous fossil records of the family are from the Eocene except for the recently described species Cretarophalis patrickmuelleri Wichard, 2017 from mid-Cretaceous Burmese amber, following earlier records of an undescribed species. However, such a significant finding of this family from Mesozoic was originally presented only with a preliminary description. Here we re-describe the species based on exquisitely preserved materials from mid-Cretaceous Burmese amber that provides for a much more detailed description, in particular of the hindwing, female genitalia, and larval head...
January 15, 2018: Zootaxa
https://www.readbyqxmd.com/read/29689553/microrna-374-exerts-protective-effects-by-inhibiting-sp1-through-activating-the-pi3k-akt-pathway-in-rat-models-of-myocardial-ischemia-reperfusion-after-sevoflurane-preconditioning
#10
Shu-Bo Zhang, Tie-Jun Liu, Guo-Hua Pu, Bao-Yong Li, Xiao-Zeng Gao, Xiao-Liang Han
BACKGROUND/AIMS: Ischemic heart disease is a leading cause of death in cardiovascular diseases, and microRNAs (miRs) have been reported to be potential therapeutic targets in heart disease. Herein, this study aims to investigate the effects of microRNA (miR)-374 on myocardial ischemia-reperfusion (I/R) injury in rat models pretreated with sevoflurane by targeting SP1 through the PI3K/Akt pathway. METHODS: SD rats were grouped into sham, I/R and sevoflurane + I/R (sevoflurane preconditioning and I/R) groups...
April 19, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29689497/toll-like-receptor-2-stimulation-promotes-colorectal-cancer-cell-growth-via-pi3k-akt-and-nf-%C3%AE%C2%BAb-signaling-pathways
#11
You Dong Liu, Cheng Bo Ji, Shan Bao Li, Feng Yan, Qi Sheng Gu, Jesse J Balic, Liang Yu, Ji Kun Li
Toll-like receptor (TLR) 2 is a key regulator of innate immune responses and has been shown to play an important role in inflammation-associated cancers. In this study, we aimed to evaluate the role of TLR2 in colorectal cancer (CRC). We demonstrated that TLR2 mRNA and protein expression was significantly upregulated in tumors from CRC patients and indicated poor prognosis. Using the TLR2 agonist Pam3Cys (P3C) to activate TLR2 signaling in human CRC cell lines, we showed that TLR2 drives cellular proliferation, which was dependent upon PI3K/Akt and NF-κB signaling pathways and was associated with the upregulation of anti-apoptotic genes BCL2A1, WISP1 and BIRC3...
April 21, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29689479/lipo-prostaglandin-e1-improves-renal-hypoxia-evaluated-by-bold-mri-in-patients-with-diabetic-kidney-disease
#12
Zhi-Cheng Li, Yu-Zhe Cai, Zhi-Gang Tang, Pan-Li Zuo, Rong-Bo Liu, Fang Liu
OBJECTIVE: To evaluate the effect of lipo-PGE1 on renal hypoxia in patients with DKD by BOLD-MRI. MATERIALS AND METHODS: All patients were divided into DKD group and CKD-without-diabetes group. All patients received intravenous 10 μg lipo-PGE1 once daily for 14 days. BOLD-MRI was performed before and after lipo-PGE1 administration to acquire renal CR2* and MR2* values. RESULTS: Renal MR2* value in DKD group after lipo-PGE1 treatment were significantly decreased compared with the baseline...
April 17, 2018: Clinical Imaging
https://www.readbyqxmd.com/read/29689003/comparison-of-the-clinical-accuracy-between-point-to-point-registration-and-auto-registration-using-an-active-infrared-navigation-system
#13
Jingwei Zhao, Yajun Liu, Mingxing Fan, Bo Liu, Da He, Wei Tian
STUDY DESIGN: A model experiment. OBJECTIVE: To measure and compare the clinical accuracy of point-to-point registration (PR) and auto-registration (AR) in an operative set using an active infrared navigation system. SUMMARY OF BACKGROUND DATA: PR and AR are two major registration methods of navigation assisted spinal surgery. No previous study compared the difference between the two methods with respect to clinical accuracy. METHODS: A novel method was used to measure the clinical accuracy of the navigation system under an operative set using a Sawbone model with titanium beads on the surface, which was essential to measure the accuracy numerically, instead of a real patient...
April 23, 2018: Spine
https://www.readbyqxmd.com/read/29687818/catalyst-free-3-2-cyclization-of-dihydroisoquinoline-imines-and-isatin-derived-morita-baylis-hillman-carbonates-via-1-5-electrocyclization-synthesis-of-tetrahydroisoquinoline-fused-spirooxindoles
#14
Xue Tang, Ying-Juan Gao, Hui-Qing Deng, Jin-Ju Lei, Si-Wei Liu, Lin Zhou, Yin Shi, Hao Liang, Jie Qiao, Li Guo, Bo Han, Hai-Lei Cui
We have developed a mild and scalable catalyst-free [3 + 2] cyclization of dihydroisoquinolines and isatin-derived Morita-Baylis-Hillman carbonates. The incorporation of tetrahydroisoquinoline and spirooxindole frameworks could be realized affording highly functionalized heterocycles in moderate to excellent yields with good diastereocontrols (up to 92% yields, >20 : 1 dr). The extension of this method to dihydro-β-carbolines has also been achieved. A gram-scale reaction could be performed successfully enabling the potential application for further biomedical research...
April 24, 2018: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/29687705/tape-based-photodetector-transfer-process-and-persistent-photoconductivity
#15
Li Wang, Peng Chen, Yu-Cheng Wang, Gui-Shi Liu, Chuan Liu, Xi Xie, Jingzhou Li, Bo-Ru Yang
We report a facile transfer method to fabricate flexible photodetectors directly on tape, wherein the films formed by different processes were integrated together. The tape-based photodetectors with CdS nanowire (NWs) active layers exhibited good performances as those fabricated by conventional processes. The obvious persistent photocurrent (PPC) in our device was eliminated by introducing a conductive polymer poly (3, 4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS) onto the CdS NWs layer. By adjusting the concentration of the PEDOT:PSS aqueous solution, a device with a fast response, ultrashort decay time, and relatively large photocurrent was obtained...
April 24, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29687281/prognostic-value-of-ki-67-index-in-adult-medulloblastoma-after-accounting-for-molecular-subgroup-a-retrospective-clinical-and-molecular-analysis
#16
Fu Zhao, Jing Zhang, Peng Li, Qiangyi Zhou, Shun Zhang, Chi Zhao, Bo Wang, Zhijun Yang, Chunde Li, Pinan Liu
INTRODUCTION: Medulloblastoma (MB) is a rare primary brain tumor in adults. We previously evaluated that combining both clinical and molecular classification could improve current risk stratification for adult MB. In this study, we aimed to identify the prognostic value of Ki-67 index in adult MB. METHOD: Ki-67 index of 51 primary adult MBs was reassessed using a computer-based image analysis (Image-Pro Plus). All patients were followed up ranging from 12 months up to 15 years...
April 23, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29687226/physical-stability-of-amorphous-solid-dispersions-a-physicochemical-perspective-with-thermodynamic-kinetic-and-environmental-aspects
#17
REVIEW
Xia Lin, Yang Hu, Lei Liu, Lili Su, Na Li, Jing Yu, Bo Tang, Ziyi Yang
PURPOSE: Amorphous solid dispersions (ASDs) have been widely used in the pharmaceutical industry for solubility enhancementof poorly water-soluble drugs. The physical stability, however, remainsone of the most challenging issues for the formulation development.Many factors can affect the physical stability via different mechanisms, and therefore an in-depth understanding on these factors isrequired. METHODS: In this review, we intend to summarize the physical stability of ASDsfrom a physicochemical perspective whereby factors that can influence the physical stability areclassified into thermodynamic, kinetic and environmental aspects...
April 23, 2018: Pharmaceutical Research
https://www.readbyqxmd.com/read/29685513/expression-of-platelet-derived-growth-factor-b-is-upregulated-in-patients-with-thoracic-aortic-dissection
#18
Weixin Meng, Shangdian Liu, Dandan Li, Zonghong Liu, Hui Yang, Bo Sun, Hongyu Liu
OBJECTIVE: Thoracic aortic dissection (TAD) is a serious condition requiring urgent treatment to avoid catastrophic consequences. The inflammatory response is involved in the occurrence and development of TAD, possibly potentiated by platelet-derived growth factors (PDGFs). This study aimed to determine whether expression of PDGF-B (a subunit of PDGF-BB) was increased in TAD patients and to explore the factors responsible for its upregulation and subsequent effects on TAD. METHODS: Full-thickness ascending aorta wall specimens from TAD patients (n = 15) and control patients (n = 10) were examined for expression of PDGF-B and its receptor (PDGFRB) and in terms of morphology, inflammation, and fibrosis...
April 20, 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29685154/a-recet-assisted-crispr-cas9-genome-editing-in-corynebacterium-glutamicum
#19
Bo Wang, Qitiao Hu, Yu Zhang, Ruilin Shi, Xin Chai, Zhe Liu, Xiuling Shang, Yun Zhang, Tingyi Wen
BACKGROUND: Extensive modification of genome is an efficient manner to regulate the metabolic network for producing target metabolites or non-native products using Corynebacterium glutamicum as a cell factory. Genome editing approaches by means of homologous recombination and counter-selection markers are laborious and time consuming due to multiple round manipulations and low editing efficiencies. The current two-plasmid-based CRISPR-Cas9 editing methods generate false positives due to the potential instability of Cas9 on the plasmid, and require a high transformation efficiency for co-occurrence of two plasmids transformation...
April 23, 2018: Microbial Cell Factories
https://www.readbyqxmd.com/read/29685104/taaap6-3b-a-regulator-of-grain-protein-content-selected-during-wheat-improvement
#20
Xiufeng Jin, Bo Feng, Zhibin Xu, Xiaoli Fan, Jing Liu, Qin Liu, Ping Zhu, Tao Wang
BACKGROUND: The content of grain protein (GPC) in cereals is an important part of total protein in human food. Exploring and utilizing new GPC genes is one of the most effective approaches for wheat quality breeding. RESULTS: Three homoeologues of TaAAP6(-3A, 3B, 3D)were cloned by homology cloning from OsAAP6.Temporal and spatial expression analysis showed that TaAAP6homoeologues were preferentially expressed in developing grains, and TaAAP6-3B may play a major role in regulating GPC in wheat...
April 23, 2018: BMC Plant Biology
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