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Anthocyanin, regulation

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https://www.readbyqxmd.com/read/28817092/biochemical-and-comparative-transcriptomic-analyses-identify-candidate-genes-related-to-variegation-formation-in-paeonia-rockii
#1
Qianqian Shi, Long Li, Xiaoxiao Zhang, Jianrang Luo, Xiang Li, Lijuan Zhai, Lixia He, Yanlong Zhang
Paeonia rockii is a wild tree peony species with large and dark purple variegations at the base of its petals. It is the genetic resource for various variegation patterns in tree peony cultivars, which is in contrast to the pure white petals of Paeonia ostii. However, the molecular mechanism underlying the formation of variegation in this plant is still unknown. Here, we conducted Illumina transcriptome sequencing for P. rockii, P. ostii (with pure white petals) and their F1 individuals (with purple-red variegation)...
August 17, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28812379/dietary-polyphenols-for-atherosclerosis-a-comprehensive-review-and-future-perspectives
#2
Roodabeh Bahramsoltani, Farnaz Ebrahimi, Mohammad Hosein Farzaei, Armaghan Baratpourmoghaddam, Pardis Ahmadi Borkani, Pourouchista Rostamiasrabadi, Amir Hosein Rasouli Amirabadi, Roja Rahimi
Atherosclerosis is one of the most prevalent reasons for premature death in adults. Despite the several conventional drugs in the market; many patients are not completely treated. Here we comprehensively review current clinical evidence regarding the efficacy of dietary polyphenols in atherosclerosis and related complications. PubMed, Cochrane library and Scopus were searched from inception until August 2016 to obtain clinical trials in which polyphenols were evaluated in cardiovascular parameters related to atherosclerosis...
August 16, 2017: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/28771720/cyanidin-chloride-inhibits-ovariectomy-induced-osteoporosis-by-suppressing-rankl-mediated-osteoclastogenesis-and-associated-signaling-pathways
#3
Jianwen Cheng, Lin Zhou, Qian Liu, Jennifer Tickner, Zhen Tan, Xiaofeng Li, Mei Liu, Xixi Lin, Tao Wang, Nathan J Pavlos, Jinmin Zhao, Jiake Xu
Over-production and activation of osteoclasts is a common feature of osteolytic conditions such as osteoporosis, tumor-associated osteolysis, and inflammatory bone erosion. Cyanidin Chloride, a subclass of anthocyanin, displays antioxidant and anti-carcinogenesis properties, but its role in osteoclastic bone resorption and osteoporosis is not well understood. In this study, we showed that Cyanidin Chloride inhibits osteoclast formation, hydroxyapatite resorption, and receptor activator of NF-κB ligand (RANKL)-induced osteoclast marker gene expression; including ctr, ctsk and trap...
August 3, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28769969/functional-characterization-of-a-novel-r2r3-myb-transcription-factor-modulating-the-flavonoid-biosynthetic-pathway-from-epimedium-sagittatum
#4
Wenjun Huang, Haiyan Lv, Ying Wang
Epimedium species have been widely used both as traditional Chinese medicinal plants and ornamental perennials. Both flavonols, acting as the major bioactive components (BCs) and anthocyanins, predominantly contributing to the color diversity of Epimedium flowers belong to different classes of flavonoids. It is well-acknowledged that flavonoid biosynthetic pathway is predominantly regulated by R2R3-MYB transcription factor (TF) as well as bHLH TF and WD40 protein at the transcriptional level. MYB TFs specifically regulating anthocyanin or flavonol biosynthetic pathway have been already isolated and functionally characterized from Epimedium sagittatum, but a R2R3-MYB TF involved in regulating both these two pathways has not been functionally characterized to date in Epimedium plants...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28769952/coordinated-regulation-of-anthocyanin-biosynthesis-genes-confers-varied-phenotypic-and-spatial-temporal-anthocyanin-accumulation-in-radish-raphanus-sativus-l
#5
Everlyne M'mbone Muleke, Lianxue Fan, Yan Wang, Liang Xu, Xianwen Zhu, Wei Zhang, Yang Cao, Benard K Karanja, Liwang Liu
Anthocyanins are natural pigments that have important functions in plant growth and development. Radish taproots are rich in anthocyanins which confer different taproot colors and are potentially beneficial to human health. The crop differentially accumulates anthocyanin during various stages of growth, yet molecular mechanisms underlying this differential anthocyanin accumulation remains unknown. In the present study, transcriptome analysis was used to concisely identify putative genes involved in anthocyanin biosynthesis in radish...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28766491/a-case-of-severe-nephrotoxicity-associated-with-long-term-dietary-supplement-use
#6
Farrukh M Koraishy, Gilbert W Moeckel, David S Geller
Dietary supplements are widely used for their perceived health benefits without side effects and hence have minimal regulation. However, they have been associated with various toxicities including kidney disease. We report a 65-year-old male who had very heavy daily intake of dietary supplements for 3 years. He presented with acute kidney injury and nephrotic-range proteinuria. The renal biopsy showed acute tubular necrosis with vacuolization, acute interstitial nephritis, and secondary membranous nephropathy, consistent with an non-steroidal anti-inflammatory drug (NSAID)-like nephropathy...
August 2, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28764055/anthocyanin-biosynthesis-and-accumulation-in-blood-oranges-during-postharvest-storage-at-different-low-temperatures
#7
Lourdes Carmona, Berta Alquézar, Viviani V Marques, Leandro Peña
Blood oranges require low temperature for anthocyanin production. We have investigated the activation of anthocyanin biosynthesis and accumulation in the pulp of Moro blood and Pera blond oranges (Citrus sinensis L. Osbeck) stored at either 4 or 9°C after harvesting. Both temperatures stimulated anthocyanin accumulation in blood but not in blond oranges. Nonetheless, blood orange fruits stored at 9°C reached a darker purple coloration, higher anthocyanin contents and enhanced upregulation of genes from the flavonoid pathway in the pulp and juice than those kept at 4°C...
December 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28755356/extraction-and-estimation-of-secondary-metabolites-from-date-palm-cell-suspension-cultures
#8
Poornananda M Naik, Jameel M Al-Khayri
The health benefits of dates arise from their content of phytochemicals, known for having pharmacological properties, including flavonoids, carotenoids, phenolic acids, sterols, procyanidins, and anthocyanins. In vitro cell culture technology has become an attractive means for the production of biomass and bioactive compounds. This chapter describes step-by-step procedures for the induction and proliferation of callus from date palm offshoots on Murashige and Skoog (MS) medium supplemented with plant growth regulators...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28740499/multi-omics-and-integrated-network-analyses-reveal-new-insights-into-the-systems-relationships-between-metabolites-structural-genes-and-transcriptional-regulators-in-developing-grape-berries-vitis-vinifera-l-exposed-to-water-deficit
#9
Stefania Savoi, Darren C J Wong, Asfaw Degu, Jose C Herrera, Barbara Bucchetti, Enrico Peterlunger, Aaron Fait, Fulvio Mattivi, Simone D Castellarin
Grapes are one of the major fruit crops and they are cultivated in many dry environments. This study comprehensively characterizes the metabolic response of grape berries exposed to water deficit at different developmental stages. Increases of proline, branched-chain amino acids, phenylpropanoids, anthocyanins, and free volatile organic compounds have been previously observed in grape berries exposed to water deficit. Integrating RNA-sequencing analysis of the transcriptome with large-scale analysis of central and specialized metabolites, we reveal that these increases occur via a coordinated regulation of key structural pathway genes...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28713413/identification-of-conserved-and-novel-micrornas-in-blueberry
#10
Junyang Yue, Xiaohui Lu, Huan Zhang, Jiao Ge, Xueling Gao, Yongsheng Liu
MicroRNAs (miRNAs) are a class of small endogenous RNAs that play important regulatory roles in cells by negatively affecting gene expression at both transcriptional and post-transcriptional levels. There have been extensive studies aiming to identify miRNAs and to elucidate their functions in various plant species. In the present study, we employed the high-throughput sequencing technology to profile miRNAs in blueberry fruits. A total of 9,992,446 small RNA tags with sizes ranged from 18 to 30 nt were obtained, indicating that blueberry fruits have a large and diverse small RNA population...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28713396/system-level-and-granger-network-analysis-of-integrated-proteomic-and-metabolomic-dynamics-identifies-key-points-of-grape-berry-development-at-the-interface-of-primary-and-secondary-metabolism
#11
Lei Wang, Xiaoliang Sun, Jakob Weiszmann, Wolfram Weckwerth
Grapevine is a fruit crop with worldwide economic importance. The grape berry undergoes complex biochemical changes from fruit set until ripening. This ripening process and production processes define the wine quality. Thus, a thorough understanding of berry ripening is crucial for the prediction of wine quality. For a systemic analysis of grape berry development we applied mass spectrometry based platforms to analyse the metabolome and proteome of Early Campbell at 12 stages covering major developmental phases...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28704468/thmyc4e-candidate-blue-aleurone-1-gene-controlling-the-associated-trait-in-triticum-aestivum
#12
Na Li, Shiming Li, Kunpu Zhang, Wenjie Chen, Bo Zhang, Daowen Wang, Dengcai Liu, Baolong Liu, Huaigang Zhang
Blue aleurone is a useful and interesting trait in common wheat that was derived from related species. Here, transcriptomes of blue and white aleurone were compared for isolating Blue aleurone 1 (Ba1) transferred from Thinopyrum ponticum. In the genes involved in anthocyanin biosynthesis, only a basic helix-loop-helix (bHLH) transcription factor, ThMYC4E, had a higher transcript level in blue aleurone phenotype, and was homologous to the genes on chromosome 4 of Triticum aestivum. ThMYC4E carried the characteristic domains (bHLH-MYC_N, HLH and ACT-like) of a bHLH transcription factor, and clustered with genes regulating anthocyanin biosynthesis upon phylogenetic analysis...
2017: PloS One
https://www.readbyqxmd.com/read/28698716/corrigendum-the-arabidopsis-angustifolia3-yoda-gene-cascade-induces-anthocyanin-accumulation-by-regulating-sucrose-levels
#13
Lai-Sheng Meng, Ying-Qiu Li, Meng-Qian Liu, Ji-Hong Jiang
[This corrects the article on p. 1728 in vol. 7, PMID: 27920784.].
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28698354/enhanced-secondary-and-hormone-metabolism-in-leaves-of-arbuscular-mycorrhizal-medicago-truncatula
#14
Lisa Adolfsson, Hugues Nziengui, Ilka N Abreu, Jan Šimura, Azeez Beebo, Andrei Herdean, Jila Aboalizadeh, Jitka Široká, Thomas Moritz, Ondřej Novák, Karin Ljung, Benoît Schoefs, Cornelia Spetea
Arbuscular mycorrhizas (AM) are the most common symbiotic associations between plant's root compartment and fungi. They provide nutritional benefit (mostly inorganic phosphate, Pi) leading to improved growth, and non-nutritional benefits including defense responses to environmental cues throughout the host plant, which in return delivers carbohydrates to the symbiont. However, how transcriptional and metabolic changes occurring in leaves of AM plants differ from those induced by Pi fertilization is poorly understood...
July 11, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28691397/cyanidin-3-glucoside-increases-whole-body-energy-metabolism-by-upregulating-brown-adipose-tissue-mitochondrial-function
#15
Yilin You, Xiaoxue Yuan, Xiaomeng Liu, Chen Liang, Minghui Meng, Yuanyuan Huang, Xue Han, Jielong Guo, Yu Guo, Chenglong Ren, Qianwen Zhang, Xiangyu Sun, Tingting Ma, Guojie Liu, Wanzhu Jin, Weidong Huang, Jicheng Zhan
SCOPE: Obesity develops when energy intake exceeds energy expenditure. Promoting brown adipose tissue (BAT) formation and function increases energy expenditure and may protect against obesity. Cyanidin-3-glucoside (C3G) is an anthocyanin compound which occurs naturally in many fruits and vegetables. In this study, we investigated the effect and mechanism of C3G on the prevention of obesity. METHODS AND RESULTS: Db/db mice received C3G dissolved in drinking water for 16 weeks; Drinking water served as the vehicle treatment...
July 10, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28678890/platinum-sensitive-2-like-impacts-growth-root-morphology-seed-set-and-stress-responses
#16
Amr R A Kataya, Maria T Creighton, Toga P Napitupulu, Christine Sætre, Behzad Heidari, Peter Ruoff, Cathrine Lillo
Eukaryotic protein phosphatase 4 (PP4) is a PP2A-type protein phosphatase that is part of a conserved complex with regulatory factors PSY2 and PP4R2. Various lines of Arabidopsis thaliana with mutated PP4 subunit genes were constructed to study the so far completely unknown functions of PP4 in plants. Mutants with knocked out putative functional homolog of the PSY2 LIKE (PSY2L) gene were dwarf and bushy, while plants with knocked out PP4R2 LIKE (PP4R2L) looked very similar to WT. The psy2l seedlings had short roots with disorganized morphology and impaired meristem...
2017: PloS One
https://www.readbyqxmd.com/read/28664422/metabolite-profiling-of-red-and-blue-potatoes-revealed-cultivar-and-tissue-specific-patterns-for-anthocyanins-and-other-polyphenols
#17
Anne Oertel, Andrea Matros, Anja Hartmann, Panagiotis Arapitsas, Klaus J Dehmer, Stefan Martens, Hans-Peter Mock
Metabolite profiling of tuber flesh and peel for selected colored potato varieties revealed cultivar and tissue specific profiles of anthocyanins and other polyphenols with variations in composition and concentration. Starchy tubers of Solanum tuberosum are a staple crop and food in many countries. Among cultivated potato varieties a huge biodiversity exists, including an increasing number of red and purple colored cultivars. This coloration relates to the accumulation of anthocyanins and is supposed to offer nutritional benefits possibly associated with the antioxidative capacity of anthocyanins...
August 2017: Planta
https://www.readbyqxmd.com/read/28657734/anthocyanins-from-black-chokeberry-aroniamelanocarpa-elliot-delayed-aging-related-degenerative-changes-of-brain
#18
Jie Wei, Guokun Zhang, Xiao Zhang, Dexin Xu, Jun Gao, Jungang Fan, Zhiquan Zhou
Aging is the greatest risk factor for most neurodegenerative diseases, which is associated with decreasing cognitive function and significantly affecting life quality in the elderly. Computational analysis suggested that 4 anthocyanins from chokeberry fruit increased Klotho (aging-suppressor) structural stability, so we hypothesized that chokeberry anthocyanins could antiaging. To explore the effects of anthocyanins treatment on brain aging, mice treated with 15 or 30 mg/kg anthocyanins by gavage and injected D-galactose accelerated aging per day...
July 26, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28652263/ripening-transcriptomic-program-in-red-and-white-grapevine-varieties-correlates-with-berry-skin-anthocyanin-accumulation
#19
Mélanie Massonnet, Marianna Fasoli, Giovanni Battista Tornielli, Mario Altieri, Marco Sandri, Paola Zuccolotto, Paola Paci, Massimo Gardiman, Sara Zenoni, Mario Pezzotti
Grapevine (Vitis vinifera) berry development involves a succession of physiological and biochemical changes reflecting the transcriptional modulation of thousands of genes. Although recent studies have investigated the dynamic transcriptome during berry development, most have focused on a single grapevine variety, so there is a lack of comparative data representing different cultivars. Here, we report, to our knowledge, the first genome-wide transcriptional analysis of 120 RNA samples corresponding to 10 Italian grapevine varieties collected at four growth stages...
August 2017: Plant Physiology
https://www.readbyqxmd.com/read/28643121/a-study-on-the-expression-of-genes-involved-in-carotenoids-and-anthocyanins-during-ripening-in-fruit-peel-of-green-yellow-and-red-colored-mango-cultivars
#20
G R Karanjalker, K V Ravishankar, K S Shivashankara, M R Dinesh, T K Roy, D V Sudhakar Rao
Mango (Mangiferaindica L.) fruits are generally classified based on peel color into green, yellow, and red types. Mango peel turns from green to yellow or red or retain green colors during ripening. The carotenoids and anthocyanins are the important pigments responsible for the colors of fruits. In the present study, peels of different colored cultivars at three ripening stages were characterized for pigments, colors, and gene expression analysis. The yellow colored cultivar "Arka Anmol" showed higher carotenoid content, wherein β-carotene followed by violaxanthin were the major carotenoid compounds that increased during ripening...
June 22, 2017: Applied Biochemistry and Biotechnology
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