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UDP-Glycosyltransferases

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https://www.readbyqxmd.com/read/28334183/comparative-transcriptional-analysis-of-the-host-specialized-aphids-aphis-gossypii-hemiptera-aphididae
#1
Yuan-Chen Zhang, Hai-Xia Lei, Ning-Hui Miao, Xiang-Dong Liu
Host specialization is an ubiquitous character in aphid populations. Many polyphagous aphid populations usually consist of several subpopulations that have strong fidelity to a specific host or a subset of host range. Host specialization is an evolutional result of food habit of insects. However, genetic basis and molecular mechanism of host specialization are still unclear. In this study, we presented a comparative analysis on global gene expression profiles of three lineages of Aphis gossypii Glover: cotton-specialized (CO), cucurbit-specialized (CU), and CU reared on cowpea (CU-cowpea), using RNA-Seq method...
February 17, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28327528/anti-obesity-effect-of-bombus-ignitus-queen-glycosaminoglycans-in-rats-on-a-high-fat-diet
#2
Mi Young Ahn, Ban Ji Kim, Ha Jeong Kim, Hyung Joo Yoon, Sang Duck Jee, Jae Sam Hwang, Kun-Koo Park
The mechanism of functional insect glycosaminoglycan (GAG) on obesity caused a high fat diet has not yet been elucidated. Therefore, insect glycosaminoglycans derived from Isaria sinclairii, Bombus ignitus (a type of bumblebee) queen, and Gryllus bimaculatus were purified and investigated as a potential functional food. 14-week old male Wistar rats were fed a high-fat diet (HFD) for 6 weeks. There were five groups that received daily intraperitoneal administration of phosphate buffered saline (PBS, control), GbG (GAG from Gryllus bimaculatus) 10 mg/kg, ISG (GAG from Isaria sinclairii) 10 mg/kg, IQG (GAG from Bombus ignites) 10 mg/kg, or Pravastatin (2 mg/kg)...
March 22, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28285020/uplc-qtof-ms-ms-based-phenolic-profile-and-their-biosynthetic-enzyme-activity-used-to-discriminate-between-cashew-apple-anacardium-occidentale-l-maturation-stages
#3
Aline G Cunha, Edy S Brito, Carlos F H Moura, Paulo R V Ribeiro, Maria Raquel A Miranda
Cashew immature and ripe peduncles (Anacardium occidentale L.) from orange- and red-colored clones CCP 76 and BRS 189, respectively, were prepared as juice or fibrous fraction and submitted to UPLC-MS analyses, while the soluble fraction was also submitted to enzymatic evaluation. Cinnamoyl glucoside was present in ripe juice samples from both cashew clones, while monogalloyl diglucoside and digalloyl glucoside were present in immature juice samples from both cashew clones. Four compounds were found at immature fiber of both clones, anacardic acids (1, 2, 3) and GA19...
February 21, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28249567/a-reference-gene-set-for-sex-pheromone-biosynthesis-and-degradation-genes-from-the-diamondback-moth-plutella-xylostella-based-on-genome-and-transcriptome-digital-gene-expression-analyses
#4
Peng He, Yun-Fei Zhang, Duan-Yang Hong, Jun Wang, Xing-Liang Wang, Ling-Hua Zuo, Xian-Fu Tang, Wei-Ming Xu, Ming He
BACKGROUND: Female moths synthesize species-specific sex pheromone components and release them to attract male moths, which depend on precise sex pheromone chemosensory system to locate females. Two types of genes involved in the sex pheromone biosynthesis and degradation pathways play essential roles in this important moth behavior. To understand the function of genes in the sex pheromone pathway, this study investigated the genome-wide and digital gene expression of sex pheromone biosynthesis and degradation genes in various adult tissues in the diamondback moth (DBM), Plutella xylostella, which is a notorious vegetable pest worldwide...
March 1, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28215607/impact-of-blue-red-and-far-red-light-treatments-on-gene-expression-and-steviol-glycoside-accumulation-in-stevia-rebaudiana
#5
Yuki Yoneda, Hiroshi Nakashima, Juro Miyasaka, Katsuaki Ohdoi, Hiroshi Shimizu
Stevia rebaudiana (Bertoni) Bertoni is a plant that biosynthesizes a group of natural sweeteners that are up to approximately 400 times sweeter than sucrose. The sweetening components of S. rebaudiana are steviol glycosides (SGs) that partially share their biosynthesis pathway with gibberellins (GAs). However, the molecular mechanisms through which SGs levels can be improved have not been studied. Therefore, transcription levels of several SG biosynthesis-related genes were analyzed under several light treatments involved in GA biosynthesis...
February 15, 2017: Phytochemistry
https://www.readbyqxmd.com/read/28159792/molecular-characterization-and-phylogenetic-analysis-of-two-novel-fungal-phenolic-udp-glycosyltransferases-from-absidia-coerulea-and-rhizopus-japonicus
#6
Kebo Xie, Xiaoxiang Dou, Ridao Chen, Dawei Chen, Cheng Fang, Zhiyan Xiao, Jungui Dai
In the present study, two novel phenolic UDP-glycosyltransferases (P-UGTs), UGT58A1 and UGT59A1, which can transfer sugar moieties from active donors to phenolic acceptors to generate corresponding glycosides, were identified from the fungi kingdom. UGT58A1 (from Absidia coerulea) and UGT59A1 (from Rhizopus japonicas) share a low degree of homology with known UGTs from animals, plants, bacteria, and virus. These two P-UGTs are membrane-bound proteins with an N-terminal signal peptide and a transmembrane domain at the C-terminus...
February 3, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28120309/microbial-production-of-astilbin-a-bioactive-rhamnosylated-flavanonol-from-taxifolin
#7
Nguyen Huy Thuan, Sailesh Malla, Nguyen Thanh Trung, Dipesh Dhakal, Anaya Raj Pokhrel, Luan Luong Chu, Jae Kyung Sohng
Flavonoids are plant-based polyphenolic biomolecules with a wide range of biological activities. Glycosylated flavonoids have drawn special attention in the industries as it improves solubility, stability, and bioactivity. Herein, we report the production of astilbin (ATN) from taxifolin (TFN) in genetically-engineered Escherichia coli BL21(DE3). The exogenously supplied TFN was converted to ATN by 3-O-rhamnosylation utilizing the endogeneous TDP-L-rhamnose in presence of UDP-glycosyltransferase (ArGT3, Gene Bank accession number: At1g30530) from Arabidopsis thaliana...
February 2017: World Journal of Microbiology & Biotechnology
https://www.readbyqxmd.com/read/28100172/integrated-genomics-based-mapping-reveals-the-genetics-underlying-maize-flavonoid-biosynthesis
#8
Min Jin, Xuehai Zhang, Mingchao Zhao, Min Deng, Yuanhao Du, Yang Zhou, Shouchuang Wang, Takayuki Tohge, Alisdair R Fernie, Lothar Willmitzer, Yariv Brotman, Jianbing Yan, Weiwei Wen
BACKGROUND: Flavonoids constitute a diverse class of secondary metabolites which exhibit potent bioactivities for human health and have been indicated to play an important role in plant development and defense. However, accumulation and variation of flavonoid content in diverse maize lines and the genes responsible for their biosynthesis in this important crop remain largely unknown. In this study, we combine genetic mapping, metabolite profiling and gene regulatory network analysis to further enhance understanding of the maize flavonoid pathway...
January 18, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/27914321/functional-regulation-of-ginsenoside-biosynthesis-by-rna-interferences-of-a-udp-glycosyltransferase-gene-in-panax-ginseng-and-panax-quinquefolius
#9
Chao Lu, Shoujing Zhao, Guanning Wei, Huijuan Zhao, Qingling Qu
Panax ginseng (Asian ginseng) and Panax quinquefolius (American ginseng) have been used as medicinal and functional herbal remedies worldwide. Different properties of P. ginseng and P. quinquefolius were confirmed not only in clinical findings, but also at cellular and molecular levels. The major pharmacological ingredients of P. ginseng and P. quinquefolius are the triterpene saponins known as ginsenosides. The P. ginseng roots contain a higher ratio of ginsenoside Rg1:Rb1 than that in P. quinquefolius...
November 25, 2016: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/27864542/involvement-of-three-putative-glucosyltransferases-from-the-ugt72-family-in-flavonol-glucoside-rhamnoside-biosynthesis-in-lotus-japonicus-seeds
#10
Qinggang Yin, Guoan Shen, Zhenzhan Chang, Yuhong Tang, Hongwen Gao, Yongzhen Pang
Flavonols are one of the largest groups of flavonoids that confer benefits for the health of plants and animals. Flavonol glycosides are the predominant flavonoids present in the model legume Lotus japonicus The molecular mechanisms underlying the biosynthesis of flavonol glycosides as yet remain unknown in L. japonicus. In the present study, we identified a total of 188 UDP-glycosyltransferases (UGTs) in L. japonicus by genome-wide searching. Notably, 12 UGTs from the UGT72 family were distributed widely among L...
November 17, 2016: Journal of Experimental Botany
https://www.readbyqxmd.com/read/27842501/analysis-of-transcriptional-response-to-heat-stress-in-rhazya-stricta
#11
Abdullah Y Obaid, Jamal S M Sabir, Ahmed Atef, Xuan Liu, Sherif Edris, Fotouh M El-Domyati, Mohammed Z Mutwakil, Nour O Gadalla, Nahid H Hajrah, Magdy A Al-Kordy, Neil Hall, Ahmed Bahieldin, Robert K Jansen
BACKGROUND: Climate change is predicted to be a serious threat to agriculture due to the need for crops to be able to tolerate increased heat stress. Desert plants have already adapted to high levels of heat stress so they make excellent systems for identifying genes involved in thermotolerance. Rhazya stricta is an evergreen shrub that is native to extremely hot regions across Western and South Asia, making it an excellent system for examining plant responses to heat stress. Transcriptomes of apical and mature leaves of R...
November 14, 2016: BMC Plant Biology
https://www.readbyqxmd.com/read/27821729/illuminating-a-plant-s-tissue-specific-metabolic-diversity-using-computational-metabolomics-and-information-theory
#12
Dapeng Li, Sven Heiling, Ian T Baldwin, Emmanuel Gaquerel
Secondary metabolite diversity is considered an important fitness determinant for plants' biotic and abiotic interactions in nature. This diversity can be examined in two dimensions. The first one considers metabolite diversity across plant species. A second way of looking at this diversity is by considering the tissue-specific localization of pathways underlying secondary metabolism within a plant. Although these cross-tissue metabolite variations are increasingly regarded as important readouts of tissue-level gene function and regulatory processes, they have rarely been comprehensively explored by nontargeted metabolomics...
November 22, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27819048/control-of-sexuality-by-the-sk1-encoded-udp-glycosyltransferase-of-maize
#13
Andrew P Hayward, Maria A Moreno, Thomas P Howard, Joel Hague, Kimberly Nelson, Christopher Heffelfinger, Sandra Romero, Albert P Kausch, Gaétan Glauser, Ivan F Acosta, John P Mottinger, Stephen L Dellaporta
Sex determination in maize involves the production of staminate and pistillate florets from an initially bisexual floral meristem. Pistil elimination in staminate florets requires jasmonic acid signaling, and functional pistils are protected by the action of the silkless 1 (sk1) gene. The sk1 gene was identified and found to encode a previously uncharacterized family 1 uridine diphosphate glycosyltransferase that localized to the plant peroxisomes. Constitutive expression of an sk1 transgene protected all pistils in the plant, causing complete feminization, a gain-of-function phenotype that operates by blocking the accumulation of jasmonates...
October 2016: Science Advances
https://www.readbyqxmd.com/read/27786405/over-expression-of-udp-glycosyltransferase-gene-ugt2b17-is-involved-in-chlorantraniliprole-resistance-in-plutella-xylostella-l
#14
Xiuxia Li, Bin Zhu, Xiwu Gao, Pei Liang
BACKGROUND: UDP-glycosyltransferases (UGTs) are phase II detoxification enzymes widely distributed within living organisms. Their involvement in the biotransformation of various lipophilic endogenous compounds and phytoalexins in insects has been documented. However, the roles of this enzyme family in insecticide resistance have rarely been reported. Here, the functions of UGTs in chlorantraniliprole resistance in Plutella xylostella were investigated. RESULTS: Treatment with sulfinpyrazone and 5-nitrouracil (both inhibitors of UGT enzymes) significantly increased the toxicity of chlorantraniliprole against the third instar larvae of P...
October 27, 2016: Pest Management Science
https://www.readbyqxmd.com/read/27757117/metabolic-and-molecular-changes-of-the-phenylpropanoid-pathway-in-tomato-solanum-lycopersicum-lines-carrying-different-solanum-pennellii-wild-chromosomal-regions
#15
Maria Manuela Rigano, Assunta Raiola, Teresa Docimo, Valentino Ruggieri, Roberta Calafiore, Paola Vitaglione, Rosalia Ferracane, Luigi Frusciante, Amalia Barone
Solanum lycopersicum represents an important dietary source of bioactive compounds including the antioxidants flavonoids and phenolic acids. We previously identified two genotypes (IL7-3 and IL12-4) carrying loci from the wild species Solanum pennellii, which increased antioxidants in the fruit. Successively, these lines were crossed and two genotypes carrying both introgressions at the homozygous condition (DHO88 and DHO88-SL) were selected. The amount of total antioxidant compounds was increased in DHOs compared to both ILs and the control genotype M82...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27747895/the-arabidopsis-ugt87a2-a-stress-inducible-family-1-glycosyltransferase-is-involved-in-the-plant-adaptation-to-abiotic-stresses
#16
Pan Li, Yan-Jie Li, Bo Wang, Hui-Min Yu, Qin Li, Bing-Kai Hou
Glycosyltransferase (GT) family-1, the biggest GT family in plants, typically participates in modification of small molecules and affects many aspects during plant development. In Arabidopsis thaliana, although some UDP glycosyltransferases (UGTs) of family-1 have been functionally characterized, functions of most the UGTs remain unknown or fragmentary. Here, we report data for the Arabidopsis UGT87A2, a stress-regulated GT. We found that UGT87A2 could be dramatically induced by salinity, osmotic stress, drought and ABA...
April 2017: Physiologia Plantarum
https://www.readbyqxmd.com/read/27746309/fungal-elicitors-enhance-ginsenosides-biosynthesis-expression-of-functional-genes-as-well-as-signal-molecules-accumulation-in-adventitious-roots-of-panax-ginseng-c-a-mey
#17
Jinxin Li, Shujie Liu, Juan Wang, Jing Li, Dahui Liu, Jianli Li, Wenyuan Gao
In this work, we selected three fungi strains (Aspergillus niger, Aspergillus flavus and Aspergillus oryzae) as elicitors prepared from mycelium or fermentation broth to improve ginsenosides production in adventitious roots culture. The results showed that ginsenosides production (29.90±4.67mgg(-1)) was significantly enhanced upon elicitation with 200mgL(-1)A. niger elicitor prepared from mycelium, which was 3.52-fold of untreated group. HPLC-ESI-MS(n) analysis was performed, showing that ginsenoside Rb3 was present after treatment with the A...
December 10, 2016: Journal of Biotechnology
https://www.readbyqxmd.com/read/27721120/genome-wide-analysis-of-family-1-udp-glycosyltransferases-in-soybean-confirms-their-abundance-and-varied-expression-during-seed-development
#18
Hafiz Mamoon Rehman, Muhammad Amjad Nawaz, Le Bao, Zahid Hussain Shah, Jae-Min Lee, Muhammad Qadir Ahmad, Gyuhwa Chung, Seung Hwan Yang
Family-1 UDP-glycosyltransferases (EC 2.4.1.x; UGTs) are enzymes that glycosylate aglycones into glycoside-associated compounds with improved transport and water solubility. This glycosylation mechanism is vital to plant functions, such as regulation of hormonal homeostasis, growth and development, xenobiotic detoxification, stress response, and biosynthesis of secondary metabolites. Here, we report a genome-wide analysis of soybean that identified 149 putative UGTs based on 44 conserved plant secondary product glycosyl-transferase (PSPG) motif amino acid sequences...
November 1, 2016: Journal of Plant Physiology
https://www.readbyqxmd.com/read/27638608/substrate-reduction-therapy-for-krabbe-s-disease
#19
REVIEW
Scott A Sands, Steven M LeVine
Krabbe's disease (KD) is a lysosomal storage disorder in which galactosylceramide, a major glycosphingolipid of myelin, and psychosine (galactose-sphingosine) cannot be adequately metabolized because of a deficiency in galactosylceramidase. Substrate reduction therapy (SRT) has been tested in preclinical studies. The premise of SRT is to reduce the synthesis of substrates that are not adequately digested so that the substrate burden is lowered, resulting in less accumulation of unmetabolized material. SRT is used for Gaucher's disease, in which inhibitors of the terminal biosynthetic step are used...
November 2016: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/27621739/transcriptome-analysis-of-pepper-capsicum-annuum-revealed-a-role-of-24-epibrassinolide-in-response-to-chilling
#20
Jie Li, Ping Yang, Jungen Kang, Yantai Gan, Jihua Yu, Alejandro Calderón-Urrea, Jian Lyu, Guobin Zhang, Zhi Feng, Jianming Xie
Brassinosteroids (BRs) have positive effects on many processes during plant growth, development, and various abiotic stress responses. However, little information is available regarding the global gene expression of BRs in response to chilling stress in pepper. In this study, we used RNA sequencing to determine the molecular roles of 24-epibrassinolide (EBR) during a chilling stress response. There were 39,829 transcripts, and, among them, 656 were differently-expressed genes (DEGs) following EBR treatment (Chill+EBR) compared with the control (Chill only), including 335 up-regulated and 321 down-regulated DEGs...
2016: Frontiers in Plant Science
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