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nac transcription factor

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https://www.readbyqxmd.com/read/28531348/plant-derived-transcription-factors-for-orthologous-regulation-of-gene-expression-in-the-yeast-saccharomyces-cerevisiae
#1
Gita Naseri, Salma Balazadeh, Fabian Machens, Iman Kamranfar, Katrin Messerschmidt, Bernd Mueller-Roeber
Control of gene expression by transcription factors (TFs) is central in many synthetic biology projects where tailored expression of one or multiple genes is often needed. As TFs from evolutionary distant organisms are unlikely to affect gene expression in a host of choice, they represent excellent candidates for establishing orthogonal control systems. To establish orthogonal regulators for use in yeast (Saccharomyces cerevisiae), we chose TFs from the plant Arabidopsis thaliana. We established a library of 106 different combinations of chromosomally integrated TFs, activation domains (yeast GAL4 AD, herpes simplex virus VP64, and plant EDLL) and synthetic promoters harbouring cognate cis-regulatory motifs driving a yEGFP reporter...
May 22, 2017: ACS Synthetic Biology
https://www.readbyqxmd.com/read/28503178/transcriptomic-response-of-chinese-yew-taxus-chinensis-to-cold-stress
#2
Delong Meng, Xianghua Yu, Liyuan Ma, Jin Hu, Yili Liang, Xueduan Liu, Huaqun Yin, Hongwei Liu, Xiaojia He, Diqiang Li
Taxus chinensis is a rare and endangered shrub, highly sensitive to temperature changes and widely known for its potential in cancer treatment. How gene expression of T. chinensis responds to low temperature is still unknown. To investigate cold response of the genus Taxus, we obtained the transcriptome profiles of T. chinensis grown under normal and low temperature (cold stress, 0°C) conditions using Illumina Miseq sequencing. A transcriptome including 83,963 transcripts and 62,654 genes were assembled from 4...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28500268/a-rice-nac-transcription-factor-promotes-leaf-senescence-via-aba-biosynthesis
#3
Chanjuan Mao, Songchong Lu, Bo Lv, Bin Zhang, Jiabin Shen, Jianmei He, Liqiong Luo, Dandan Xi, Xu Chen, Feng Ming
It has been well known that ABA induced leaf senescence and premature leaf senescence negatively affects the yield of rice. However, the molecular mechanism underlying this relationship, especially the upstream transcriptional network that modulates ABA level during leaf senescence, remains largely unknown. Here, we demonstrate a rice NAC transcription factor, OsNAC2, participated in ABA-induced leaf senescence. Overexpression of OsNAC2 dramatically accelerated leaf senescence, whereas its knockdown lines showed a delay in leaf senescence...
May 12, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28499072/sequencing-of-bulks-of-segregants-allows-dissection-of-genetic-control-of-amylose-content-in-rice
#4
Peterson Wambugu, Marie-Noelle Ndjiondjop, Agnelo Furtado, Robert Henry
Amylose content (AC) is a key quality trait in rice. A cross between Oryza glaberrima (African rice) and Oryza sativa (Asian rice) segregating for AC was analyzed by sequencing bulks of individuals with high and low AC. SNP associated with the granule bound starch synthase (GBSS1) locus on chromosome 6 were polymorphic between the bulks. In particular a G/A SNP that would result in an Asp to Asn mutation was identified. This amino acid substitution may be responsible for differences in GBSS activity as it is adjacent to a disulphide linkage conserved in all grass GBSS proteins...
May 12, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28497199/arachidonic-acid-induces-are-nrf2-dependent-heme-oxygenase-1-transcription-in-rat-brain-astrocytes
#5
Chih-Chung Lin, Chien-Chung Yang, Yu-Wen Chen, Li-Der Hsiao, Chuen-Mao Yang
Arachidonic acid (AA) is a major product of phospholipid hydrolysis catalyzed by phospholipase A2 during neurodegenerative diseases. AA exerts as a second messenger to regulate various signaling components which may be involved in different pathophysiological processes. Astrocytes are the main types of CNS resident cells which maintain and support the physiological function of brain. AA has been shown to induce ROS generation through activation of NADPH oxidases (Noxs) which may play a key role in the expression of heme oxygenase-1 (HO-1)...
May 11, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28493311/ethqv6-3-is-involved-in-melon-climacteric-fruit-ripening-and-is-encoded-by-a-nac-domain-transcription-factor
#6
Pablo Ríos, Jason Argyris, Juan Vegas, Carmen Leida, Merav Kenigswald, Galil Tzuri, Christelle Troadec, Abdelhafid Bendahmane, Nurit Katzir, Belén Picó, Antonio J Monforte, Jordi Garcia-Mas
Fruit ripening is divided into climacteric and non-climacteric types depending on the presence or absence of a transient rise in respiration rate and the production of autocatalytic ethylene. Melon is ideal for the study of fruit ripening, as both climacteric and non-climacteric varieties exist. Two introgressions of the non-climacteric accession PI 161375, encompassed in the QTLs ETHQB3.5 and ETHQV6.3, into the non-climacteric "Piel de Sapo" background are able to induce climacteric ripening independently...
May 10, 2017: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/28491072/thnac13-a-nac-transcription-factor-from-tamarix-hispida-confers-salt-and-osmotic-stress-tolerance-to-transgenic-tamarix-and-arabidopsis
#7
Liuqiang Wang, Zhen Li, Mengzhu Lu, Yucheng Wang
NAC (NAM, ATAF1/2, and CUC2) proteins play critical roles in many plant biological processes and environmental stress. However, NAC proteins from Tamarix hispida have not been functionally characterized. Here, we studied a NAC gene from T. hispida, ThNAC13, in response to salt and osmotic stresses. ThNAC13 is a nuclear protein with a C-terminal transactivation domain. ThNAC13 can bind to NAC recognized sites and calmodulin-binding NAC (CBNAC) binding element. Overexpression of ThNAC13 in Arabidopsis improved seed germination rate and increased root growth and fresh weight gain under salt or osmotic stress...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28487710/transcriptome-analysis-of-cell-wall-and-nac-domain-transcription-factor-genes-during-elaeis-guineensis-fruit-ripening-evidence-for-widespread-conservation-within-monocot-and-eudicot-lineages
#8
Timothy J Tranbarger, Kim Fooyontphanich, Peerapat Roongsattham, Maxime Pizot, Myriam Collin, Chatchawan Jantasuriyarat, Potjamarn Suraninpong, Somvong Tragoonrung, Stéphane Dussert, Jean-Luc Verdeil, Fabienne Morcillo
The oil palm (Elaeis guineensis), a monocotyledonous species in the family Arecaceae, has an extraordinarily oil rich fleshy mesocarp, and presents an original model to examine the ripening processes and regulation in this particular monocot fruit. Histochemical analysis and cell parameter measurements revealed cell wall and middle lamella expansion and degradation during ripening and in response to ethylene. Cell wall related transcript profiles suggest a transition from synthesis to degradation is under transcriptional control during ripening, in particular a switch from cellulose, hemicellulose, and pectin synthesis to hydrolysis and degradation...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28469625/light-induced-variation-in-phenolic-compounds-in-cabernet-sauvignon-grapes-vitis-vinifera-l-involves-extensive-transcriptome-reprogramming-of-biosynthetic-enzymes-transcription-factors-and-phytohormonal-regulators
#9
Run-Ze Sun, Guo Cheng, Qiang Li, Yan-Nan He, Yu Wang, Yi-Bin Lan, Si-Yu Li, Yan-Rong Zhu, Wen-Feng Song, Xue Zhang, Xiao-Di Cui, Wu Chen, Jun Wang
Light environments have long been known to influence grape (Vitis vinifera L.) berry development and biosynthesis of phenolic compounds, and ultimately affect wine quality. Here, the accumulation and compositional changes of hydroxycinnamic acids (HCAs) and flavonoids, as well as global gene expression were analyzed in Cabernet Sauvignon grape berries under sunlight exposure treatments at different phenological stages. Sunlight exposure did not consistently affect the accumulation of berry skin flavan-3-ol or anthocyanin among different seasons due to climatic variations, but increased HCA content significantly at véraison and harvest, and enhanced flavonol accumulation dramatically with its timing and severity degree trend...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28466092/repeated-social-defeat-and-the-rewarding-effects-of-cocaine-in-adult-and-adolescent-mice-dopamine-transcription-factors-probdnf-signaling-pathways-and-the-trkb-receptor-in-the-mesolimbic-system
#10
Sandra Montagud-Romero, Cristina Nuñez, M Carmen Blanco-Gandia, Elena Martínez-Laorden, María A Aguilar, Javier Navarro-Zaragoza, Pilar Almela, Maria-Victoria Milanés, María-Luisa Laorden, José Miñarro, Marta Rodríguez-Arias
RATIONALE: Repeated social defeat (RSD) increases the rewarding effects of cocaine in adolescent and adult rodents. OBJECTIVE: The aim of the present study was to compare the long-term effects of RSD on the conditioned rewarding effects of cocaine and levels of the transcription factors Pitx3 and Nurr1 in the ventral tegmental area (VTA), the dopamine transporter (DAT), the D2 dopamine receptor (D2DR) and precursor of brain-derived neurotrophic factor (proBDNF) signaling pathways, and the tropomyosin-related kinase B (TrkB) receptor in the nucleus accumbens (NAc) in adult and adolescent mice...
May 2, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28461724/genome-wide-transcriptome-profiling-of-carica-papaya-l-embryogenic-callus
#11
Nur Diyana Jamaluddin, Normah Mohd Noor, Hoe-Han Goh
Genome-wide transcriptome profiling is a powerful tool to study global gene expression patterns in plant development. We report the first transcriptome profile analysis of papaya embryogenic callus to improve our understanding on genes associated with somatic embryogenesis. By using 3' mRNA-sequencing, we generated 6,190,687 processed reads and 47.0% were aligned to papaya genome reference, in which 21,170 (75.4%) of 27,082 annotated genes were found to be expressed but only 41% was expressed at functionally high levels...
April 2017: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://www.readbyqxmd.com/read/28461723/genome-wide-analysis-and-expression-patterns-of-the-nac-transcription-factor-family-in-medicago-truncatula
#12
Lei Ling, Lili Song, Youjing Wang, Changhong Guo
NAC transcription factor (TF) family proteins are expressed in various developmental stages and following various stresses. NAC TFs are involved in mediating various physiological functions of plants and participate in various signaling pathways under biotic or abiotic stress. The present study provided a comprehensive functional analysis of members of the MtNAC TF family. Via screening of Medicago truncatula genome information, we identified 97 MtNAC TFs in M. truncatula and compared the phylogenetic analysis of 14 conserved groups with their Arabidopsis and rice counterparts...
April 2017: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://www.readbyqxmd.com/read/28446918/microrna-and-transcription-factor-key-players-in-plant-regulatory-network
#13
REVIEW
Abdul F A Samad, Muhammad Sajad, Nazaruddin Nazaruddin, Izzat A Fauzi, Abdul M A Murad, Zamri Zainal, Ismanizan Ismail
Recent achievements in plant microRNA (miRNA), a large class of small and non-coding RNAs, are very exciting. A wide array of techniques involving forward genetic, molecular cloning, bioinformatic analysis, and the latest technology, deep sequencing have greatly advanced miRNA discovery. A tiny miRNA sequence has the ability to target single/multiple mRNA targets. Most of the miRNA targets are transcription factors (TFs) which have paramount importance in regulating the plant growth and development. Various families of TFs, which have regulated a range of regulatory networks, may assist plants to grow under normal and stress environmental conditions...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28445829/the-role-of-peu-mir164-and-its-target-penac-genes-in-response-to-abiotic-stress-in-populus-euphratica
#14
Xin Lu, Hui Dun, Conglong Lian, Xiaofei Zhang, Weilun Yin, Xinli Xia
Plant miR164 family is highly conserved and miR164 members regulate conserved targets belonging to NAC transcription factors. Our previous studies have revealed that peu-miR164a-e and its target gene POPTR_0007s08420 participate in abiotic stress response in Populus euphratica according to deep sequencing and degradome sequencing. In this study, miR164 family comprises six members that generate two mature products (miR164a-e and miR164f) and target seven NAC genes in P. euphratica. Co-expression in Nicotiana benthamiana and 5' RACE confirmed that peu-miR164 directs PeNAC070, PeNAC012 and PeNAC028 mRNAs cleavage...
April 8, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28426683/genome-wide-identification-and-characterization-of-mirnaome-from-tomato-solanum-lycopersicum-roots-and-root-knot-nematode-meloidogyne-incognita-during-susceptible-interaction
#15
Pritam Kaur, Neha Shukla, Gopal Joshi, Cheeni VijayaKumar, Arun Jagannath, Manu Agarwal, Shailendra Goel, Amar Kumar
Root-knot nematodes (RKNs, Meloidogyne spp.) are the most damaging plant parasites causing severe losses to crop production. The present study reports genome-wide identification and characterization of both tomato and RKN miRNAs simultaneously from RKN-infected susceptible tomato roots using high-throughput sequencing technique. RNAseq data from 11 small RNA libraries derived from 5 disease development stages identified 281 novel miRNAs of tomato in addition to 52 conserved and 4 variants of conserved miRNAs...
2017: PloS One
https://www.readbyqxmd.com/read/28421097/development-of-incompletely-fused-carpels-in-maize-ovary-revealed-by-mirna-target-gene-and-phytohormone-analysis
#16
Hongping Li, Ting Peng, Qun Wang, Yufeng Wu, Jianfeng Chang, Moubiao Zhang, Guiliang Tang, Chaohai Li
Although the molecular basis of carpel fusion in maize ovary development remains largely unknown, increasing evidence suggests a critical role of microRNAs (miRNAs). In this study, a combination of miRNA sequencing, degradome and physiological analyses was used to characterize carpel fusion development in maize ovaries showing incompletely (IFC) and completely fused carpels (CFC). A total of 162 known miRNAs distributed across 33 families were identified, of which 20 were differentially expressed. In addition, 53 miRNA candidates were identified, of which 10 were differentially expressed in the IFC and CFC ovaries...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28419348/litchi-fruit-lcnac1-is-a-target-of-lcmyc2-and-regulator-of-fruit-senescence-through-its-interaction-with-lcwrky1
#17
Guoxiang Jiang, Huiling Yan, Fuwang Wu, Dandan Zhang, Wei Zeng, Hongxia Qu, Feng Chen, Li Tan, Xuewu Duan, Yueming Jiang
Senescence is a key factor resulting in deterioration of non-climacteric fruit. NAC transcription factors are important regulators in plant development and abiotic stress responses, yet little information regarding the role of NACs in regulating non-climacteric fruit senescence is available. In this study, we cloned 13 NAC genes from litchi (Litchi chinensis) fruit, and analyzed subcellular localization and expression profiles of these genes during postharvest natural and low-temperature-delayed senescence...
April 13, 2017: Plant & Cell Physiology
https://www.readbyqxmd.com/read/28409295/metal-chelator-tpen-selectively-induces-apoptosis-in-k562-cells-through-reactive-oxygen-species-signaling-mechanism-implications-for-chronic-myeloid-leukemia
#18
Luisa Rojas-Valencia, Carlos Velez-Pardo, Marlene Jimenez-Del-Rio
Chronic myeloid leukemia (CML) is a hematologic disorder characterized by the constitutive expression of BCR-ABL tyrosine kinase. Although successful implementation of tyrosine kinase inhibitors for the treatment of CML remain a traditional choice for molecularly targeted therapy, some patients present primary or secondary resistance to such therapy. Therefore, alternative therapeutic strategies are required to treat resistant CML cells. Accordingly, new anti-proliferative and/or pro-apoptotic compounds would be needed for clinical treatment...
June 2017: Biometals: An International Journal on the Role of Metal Ions in Biology, Biochemistry, and Medicine
https://www.readbyqxmd.com/read/28408914/transcriptome-analysis-reveals-candidate-genes-related-to-color-fading-of-red-bartlett-pyrus-communis-l
#19
Zhigang Wang, Hong Du, Rui Zhai, Linyan Song, Fengwang Ma, Lingfei Xu
The red color of fruit is an attractive plant trait for consumers. Plants with color-faded fruit have a lower commercial value, such as 'Red Bartlett' pears (Pyrus communis L.) that have dark-red fruit in the early stages of fruit development that subsequently fade to red-green at maturity. To identify the reason for color fading, we first analyzed the anthocyanin content of peel from 'Red Bartlett,' which displays the color fading phenomenon, and 'Starkrimson,' which has no color fading. Results showed that the anthocyanin content of 'Red Bartlett' peel decreased significantly late in fruit development, while in 'Starkrimson' there was no significant decrease...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28352968/silencing-slagl6-a-tomato-agamous-like6-lineage-gene-generates-fused-sepal-and-green-petal
#20
Xiaohui Yu, Guoping Chen, Xuhu Guo, Yu Lu, Jianling Zhang, Jingtao Hu, Shibing Tian, Zongli Hu
Silencing SlAGL6 in tomato leads to fused sepal and green petal by influencing the expression of A-, B-class genes. AGAMOUS-LIKE6 (AGL6) lineage is an important clade MADS-box transcription factor and plays essential roles in various developmental programs especially in flower meristem and floral organ development. Here, we isolated a tomato AGL6 lineage gene SlAGL6 and successfully obtained several RNA interference (RNAi) lines. Silencing SlAGL6 led to abnormal fused sepals and light green petals with smaller size...
March 28, 2017: Plant Cell Reports
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