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https://www.readbyqxmd.com/read/28645209/genome-wide-mapping-of-in-vivo-er%C3%AE-binding-sites-in-male-mouse-efferent-ductules
#1
Guangxin Yao, Shuanggang Hu, Lu Yu, Yanfei Ru, Charlie Degui Chen, Qiang Liu, Yonglian Zhang
As an important nuclear hormone receptor, estrogen receptor alpha (ERα), which is encoded by Esr1 gene, regulates the expression of hundreds of genes in a stimulus-specific, temporal and tissue-specific fashion, mainly by binding to specific DNA sequences-estrogen response elements (EREs). As an important estrogen target tissue in males, the function of the efferent ductules relies on the presence of the ERα protein, but the underlying regulatory mechanisms are poorly illustrated. In this study, genome-wide ERα-binding sites in mouse efferent ductules were mapped by ChIP-seq...
June 22, 2017: Endocrinology
https://www.readbyqxmd.com/read/28642765/genome-wide-identification-of-ap2-erf-transcription-factors-in-cauliflower-and-expression-profiling-of-the-erf-family-under-salt-and-drought-stresses
#2
Hui Li, Yu Wang, Mei Wu, Lihong Li, Cong Li, Zhanpin Han, Jiye Yuan, Chengbin Chen, Wenqin Song, Chunguo Wang
The AP2/ERF transcription factors (TFs) comprise one of the largest gene superfamilies in plants. These TFs perform vital roles in plant growth, development, and responses to biotic and abiotic stresses. In this study, 171 AP2/ERF TFs were identified in cauliflower (Brassica oleracea L. var. botrytis), one of the most important horticultural crops in Brassica. Among these TFs, 15, 9, and 1 TFs were classified into the AP2, RAV, and Soloist family, respectively. The other 146 TFs belong to ERF family, which were further divided into the ERF and DREB subfamilies...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28634483/elicitor-induced-biochemical-and-molecular-manifestations-to-improve-drought-tolerance-in-rice-oryza-sativa-l-through-seed-priming
#3
Mahesh K Samota, Minnu Sasi, Monika Awana, Om P Yadav, S V Amitha Mithra, Aruna Tyagi, Suresh Kumar, Archana Singh
Rice (Oryza sativa L.) is one of the major grain cereals of the Indian subcontinent which face water-deficit stress for their cultivation. Seed-priming has been reported to be a useful approach to complement stress responses in plants. In the present study, seed-priming with hormonal or chemical elicitor [viz. methyl jasmonate (MJ), salicylic acid (SA), paclobutrazol (PB)] showed significant increase in total phenolic content, antioxidant activity and expression of Rice Drought-responsive (RD1 and RD2) genes (of AP2/ERF family) in contrasting rice genotypes (Nagina-22, drought-tolerant and Pusa Sugandh-5, drought-sensitive) under drought stress...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28634481/genome-wide-analysis-of-the-rav-family-in-soybean-and-functional-identification-of-gmrav-03-involvement-in-salt-and-drought-stresses-and-exogenous-aba-treatment
#4
Shu-Ping Zhao, Zhao-Shi Xu, Wei-Jun Zheng, Wan Zhao, Yan-Xia Wang, Tai-Fei Yu, Ming Chen, Yong-Bin Zhou, Dong-Hong Min, You-Zhi Ma, Shou-Cheng Chai, Xiao-Hong Zhang
Transcription factors play vital roles in plant growth and in plant responses to abiotic stresses. The RAV transcription factors contain a B3 DNA binding domain and/or an APETALA2 (AP2) DNA binding domain. Although genome-wide analyses of RAV family genes have been performed in several species, little is known about the family in soybean (Glycine max L.). In this study, a total of 13 RAV genes, named as GmRAVs, were identified in the soybean genome. We predicted and analyzed the amino acid compositions, phylogenetic relationships, and folding states of conserved domain sequences of soybean RAV transcription factors...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28625492/cbmg-a-novel-derivative-of-mansonone-g-suppresses-adipocyte-differentiation-via-suppression-of-ppar%C3%AE-activity
#5
Hyo Kyeong Kim, Rita Hairani, Hana Jeong, Mi Gyeong Jeong, Warinthorn Chavasiri, Eun Sook Hwang
Mansorins and mansonones have been isolated from Mansonia gagei heartwoods, a traditional herbal medicine used to treat heart failure, and characterized to have anti-oxidant, anti-bacterial, anti-tumor, and anti-estrogenic activities. However, there is as yet no information on their effects on adipogenesis and lipid storage associated with heart disease. In this study, we investigated the effects of naturally occurring compounds on adipogenic differentiation and sought to develop more potent anti-adipogenic compound...
June 15, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28618269/red-blood-cell-invasion-by-the-malaria-parasite-is-coordinated-by-the-pfap2-i-transcription-factor
#6
Joana Mendonca Santos, Gabrielle Josling, Philipp Ross, Preeti Joshi, Lindsey Orchard, Tracey Campbell, Ariel Schieler, Ileana M Cristea, Manuel Llinás
Obligate intracellular parasites must efficiently invade host cells in order to mature and be transmitted. For the malaria parasite Plasmodium falciparum, invasion of host red blood cells (RBCs) is essential. Here we describe a parasite-specific transcription factor PfAP2-I, belonging to the Apicomplexan AP2 (ApiAP2) family, that is responsible for regulating the expression of genes involved in RBC invasion. Our genome-wide analysis by ChIP-seq shows that PfAP2-I interacts with a specific DNA motif in the promoters of target genes...
June 14, 2017: Cell Host & Microbe
https://www.readbyqxmd.com/read/28611394/identification-of-the-ectoenzyme-cd38-as-a-marker-of-committed-preadipocytes
#7
A Carrière, Y Jeanson, J-A Côté, C Dromard, A Galinier, S Menzel, C Barreau, S Dupuis-Coronas, E Arnaud, A Girousse, V Cuminetti, J Paupert, B Cousin, C Sengenes, F Koch-Nolte, A Tchernof, L Casteilla
BACKGROUND/OBJECTIVES: Characterization of the adipocyte cellular lineage is required for a better understanding of white adipose tissue homeostasis and expansion. While several studies have focused on the phenotype of the most immature adipocyte progenitors, very few tools exist to identify committed cells. In haematopoiesis, the CD38 ectoenzyme is largely used to delineate various stages of stem cell lineage commitment. We hypothesize that this marker could be used to identify committed preadipocytes...
June 14, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28602994/fish-collagen-peptide-inhibits-the-adipogenic-differentiation-of-preadipocytes-and-ameliorates-obesity-in-high-fat-diet-fed-mice
#8
Eun Ji Lee, Jinwoo Hur, Sun Ah Ham, Yeonji Jo, SangYoon Lee, Mi-Jung Choi, Han Geuk Seo
Bioactivities of fish collagen peptide are now being elucidated in diverse biological systems. Here, we investigated the effect of fish collagen peptide on the adipogenic differentiation of 3T3-L1 preadipocytes and in obese mice fed a high fat diet (HFD). Subcritical water-hydrolyzed fish collagen peptide (SWFCP) significantly inhibited lipid accumulation during the differentiation of 3T3-L1 preadipocytes, which was accompanied by decreased expression of CCAAT-enhancer-binding protein-α (C/EBP-α), peroxisome proliferator-activated receptor-γ (PPAR-γ), and adipocyte protein 2 (aP2) genes, key regulators of differentiation and maintenance of adipocytes...
June 9, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28600507/global-gene-expression-defines-faded-whorl-specification-of-double-flower-domestication-in-camellia
#9
Xinlei Li, Jiyuan Li, Zhengqi Fan, Zhongchi Liu, Takayuki Tanaka, Hengfu Yin
Double flowers in cultivated camellias are divergent in floral patterns which present a rich resource for demonstrating molecular modifications influenced by the human demands. Despite the key principle of ABCE model in whorl specification, the underlying mechanism of fine-tuning double flower formation remains largely unclear. Here a comprehensive comparative transcriptomics interrogation of gene expression among floral organs of wild type and "formal double" and "anemone double" is presented. Through a combination of transcriptome, small RNA and "degradome" sequencing, we studied the regulatory gene expression network underlying the double flower formation...
June 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28599882/saponins-from-stems-and-leaves-of-panax-ginseng-prevent-obesity-via-regulating-thermogenesis-lipogenesis-and-lipolysis-in-high-fat-diet-induced-obese-c57bl-6-mice
#10
Guilin Chen, Haijun Li, Yan Zhao, Hongyan Zhu, Enbo Cai, Yugang Gao, Shuangli Liu, He Yang, Lianxue Zhang
In this study, high-fat diet (HFD)-induced obesity in mouse model was used to evaluate the dietary effect of saponins from stems and leaves of Panax ginseng (SLG), and to explore its mechanism of action in producing anti-obesity effects. The results indicate that SLG showed significant anti-obesity effects in diet-induced obese mice, represented by decreased serum levels of free fatty acids (FFA), total cholesterol (TC), triglycerides (TG), low-density lipoprotein (LDL)-cholesterol, glucose, leptin and insulin, as well as a reduction in overall body and liver weight, epididymal adipose tissue weight, and food efficiency, and inhibition of abnormal increases in acyl carnitine levels normally caused by an HFD...
June 7, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28581009/decoding-the-anticancer-activity-of-vo-clioquinol-compound-the-mechanism-of-action-and-cell-death-pathways-in-human-osteosarcoma-cells
#11
Ignacio E León, Paula Díez, Enrique J Baran, Susana B Etcheverry, Manuel Fuentes
Vanadium compounds were studied in recent years by considering them as a representative of a new class of non-platinum metal anticancer drugs. However, a few challenges still remain in the discovery of new molecular targets of these new metallodrugs. Studies on cell signaling pathways related to vanadium compounds have scarcely been reported and so far this information is highly critical for identifying novel targets that play a key role in the antitumor actions of vanadium complexes. This research deals with the alterations in the intracellular signaling pathways promoted by an oxovanadium(iv) complex with the clioquinol (5-chloro-7-iodo-8-quinolinol), VO(CQ)2, on a human osteosarcoma cell line (MG-63)...
June 5, 2017: Metallomics: Integrated Biometal Science
https://www.readbyqxmd.com/read/28555033/annual-wormwood-leaf-inhibits-the-adipogenesis-of-3t3-l1-and-obesity-in-high-fat-diet-induced-obese-rats
#12
Yuno Song, Soo-Jung Lee, Sun-Hee Jang, Tae Hoon Kim, Hong-Duck Kim, Sung-Woo Kim, Chung-Kil Won, Jae-Hyeon Cho
Annual wormwood (AW) (Artemisia annua L.) has anti-malarial, anti-bacterial, anti-oxidant, anti-tumour, and anti-inflammatory activities. In the present study, we evaluated the effects of annual wormwood leaves (AWL) on adipocyte differentiation in 3T3-L1 cells and high-fat diet (HFD)-induced obese rats. 3T3-L1 adipocytes and HFD-induced obese rats were treated with AWL, and its effect on gene expression was analyzed using RT-PCR and Western blotting experiments. Treatment with AWL effectively prevented triglyceride accumulation during adipogenesis in a dose-dependent manner...
May 28, 2017: Nutrients
https://www.readbyqxmd.com/read/28552570/de-novo-assembly-and-analysis-of-the-pugionium-cornutum-l-gaertn-transcriptome-and-identification-of-genes-involved-in-the-drought-response
#13
Ping Wang, Fengfeng Wang, Jing Yang
Pugionium cornutum (L.) Gaertn. is a xerophytic plant species widely distributed in sandy and desert habitats in northwest China. However, the molecular mechanism of drought tolerance in P. cornutum has received little attention. At present, there is limited available transcriptome information for P. cormutum in public databases. Illumina sequencing was used to identify drought-responsive genes and to further characterize the molecular basis of drought tolerance in P. cornutum. In total, 51,385 unigenes with an average length of 825...
May 25, 2017: Gene
https://www.readbyqxmd.com/read/28549232/identification-and-characterization-of-transcription-factor-zmereb94-involved-in-starch-synthesis-in-maize
#14
Hui Li, Qianlin Xiao, Chunxia Zhang, Jia Du, Xiao Li, Huanhuan Huang, Bin Wei, Yangping Li, Guowu Yu, Hanmei Liu, Yufeng Hu, Yinghong Liu, Junjie Zhang, Yubi Huang
Maize is an important food crop and industrial material owing to its high starch content. However, the mechanism of starch synthesis is not fully elucidated, especially with regard to the expression and regulation of starch synthetic genes. The APETALA2/Ethylene Responsive Factor (AP2/ERF) family plays a crucial role in various biological processes via regulating gene expression. In this study, the ZmEREB94 gene was identified through co-expression analysis. Bioinformatics analysis confirmed that ZmEREB94 belongs to the AP2/ERF family...
May 4, 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/28546450/fatty-acid-binding-protein-4-ap2-dependent-blt1r-expression-and-signaling
#15
Ann V Hertzel, Hongliang Xu, Michael Downey, Nicholas Kvalheim, David A Bernlohr
Previous studies have shown that reduced levels of the adipocyte fatty acid binding protein 4, FABP4 (AFABP/aP2), result in metabolic improvement including potentiated insulin sensitivity and attenuated atherosclerosis. Mechanistically, pharmacologic or genetic inhibition of FABP4 in macrophages upregulates UCP2, attenuates ROS production, polarizes cells towards the anti-inflammatory M2 state and reduces leukotriene secretion. At the protein level, FABP4 stabilizes LTA4 towards chemical hydrolysis thereby potentiating inflammatory LTC4 synthesis...
May 25, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/28545854/transcriptome-wide-identification-of-host-genes-targeted-by-tomato-spotted-wilt-virus-derived-small-interfering-rnas
#16
Shunmugiah V Ramesh, Sarah Williams, Madhu Kappagantu, Neena Mitter, Hanu R Pappu
RNA silencing mechanism functions as a major defense against invading viruses. The caveat in the RNA silencing mechanism is that the effector small interfering RNAs (siRNAs) act on any RNA transcripts with sequence complementarity irrespective of target's origin. A subset of highly expressed viral small interfering RNAs (vsiRNAs) derived from the tomato spotted wilt virus (TSWV; Tospovirus: Bunyaviridae) genome was analyzed for their propensity to downregulate the tomato transcriptome. A total of 11898 putative target sites on tomato transcripts were found to exhibit a propensity for down regulation by TSWV-derived vsiRNAs...
May 22, 2017: Virus Research
https://www.readbyqxmd.com/read/28536938/enhancement-of-5-aminolevulinic-acid-production-by-metabolic-engineering-of-the-glycine-biosynthesis-pathway-in-corynebacterium-glutamicum
#17
Yalan Zou, Tao Chen, Lili Feng, Shuanghong Zhang, Dongxu Xing, Zhiwen Wang
OBJECTIVE: To construct a strain of Corynebacterium glutamicum capable of efficiently producing 5-aminolevulinic acid (5-ALA) via the C4 pathway by modification of serine and glycine pathway using glucose as sole carbon source. RESULTS: The recombinant C. glutamicum strain AP2 harboring a codon-optimized hemA gene from Rhodobacter sphaeroides was used as host strain for 5-ALA production. A plasmid harboring the serine operon, which contained serB, serC and the site-specific mutant serA (Δ197) , was constructed and introduced into C...
May 23, 2017: Biotechnology Letters
https://www.readbyqxmd.com/read/28529456/ethyl-acetate-fraction-of-huogu-formula-inhibits-adipogenic-differentiation-of-bone-marrow-stromal-cells-via-the-bmp-and-wnt-signaling-pathways
#18
Xiangying Kong, Xiaomin Li, Cun Zhang, Liuluan Zhu, Chunfang Liu, Qingxia Qin, Cuiling Liu, Qianqian Wang, Jia Zhu, Xuan Wu, Hongye Wan, Weiheng Chen, Na Lin
Elevated adipogenesis of bone marrow stromal cells (BMSCs) is closely associated with non-traumatic osteonecrosis of femoral head (ONFH). Our previous studies have shown that Huogu (HG) formula was effective both in clinic experience and experimental ONFH. How HG impacts the differentiation of BMSCs and what is the underlying molecular mechanism remain largely unknown. Our results showed that ethyl acetate extract of HG (HGE) significantly decreased the adipocyte differentiation as determined by oil red staining, while slightly increased the ALP activity...
2017: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/28528971/regulatory-effects-of-4-methoxychalcone-on-adipocyte-differentiation-through-ppar%C3%AE-activation-and-reverse-effect-on-tnf-%C3%AE-in-3t3-l1-cells
#19
Younho Han, Sung Ho Lee, Ik-Soo Lee, Kwang Youl Lee
Chalcones, the biosynthetic precursors of flavonoids and isoflavonoids abundant in edible plants, possess a number of pharmacological properties, and there is growing evidence that chalcone derivatives inhibit TNF-α mediated insulin resistance. The aim of the present study was to define the effects of 4-methoxychalcone (4-MC) on adipocyte differentiation and to determine the underlying molecular mechanism. We investigated the effects of 4-MC on adipocyte differentiation and lipid accumulation, and expression of adipogenic genes in 3T3-L1 cells...
May 18, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28516383/genetic-analysis-of-the-lf1-gene-that-controls-leaflet-number-in-soybean
#20
Soon-Chun Jeong, Ji Hong Kim, Dong Nyuk Bae
A high-resolution genetic map that was constructed for the Lf1 -residing region will provide valuable information for map-based cloning and genetic improvement efforts in soybean. Changes in leaf architecture as photosynthesis factories remain a major challenge for the improvement of crop productivity. Unlike most soybeans, which have compound leaves comprising three leaflets, the soybean Lf1 mutant has a high frequency of compound leaves with five leaflets in a partially dominant manner. Here, we generated a fine genetic map to determine the genetic basis of this multifoliolate leaf trait...
May 17, 2017: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
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