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https://www.readbyqxmd.com/read/28446918/microrna-and-transcription-factor-key-players-in-plant-regulatory-network
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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...
April 13, 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
#7
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
#8
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
https://www.readbyqxmd.com/read/28338755/red-blotch-disease-alters-grape-berry-development-and-metabolism-by-interfering-with-the-transcriptional-and-hormonal-regulation-of-ripening
#9
Barbara Blanco-Ulate, Helene Hopfer, Rosa Figueroa-Balderas, Zirou Ye, Rosa M Rivero, Alfonso Albacete, Francisco Pérez-Alfocea, Renata Koyama, Michael M Anderson, Rhonda J Smith, Susan E Ebeler, Dario Cantu
Grapevine red blotch-associated virus (GRBaV) is a major threat to the wine industry in the USA. GRBaV infections (aka red blotch disease) compromise crop yield and berry chemical composition, affecting the flavor and aroma properties of must and wine. In this study, we combined genome-wide transcriptional profiling with targeted metabolite analyses and biochemical assays to characterize the impact of the disease on red-skinned berry ripening and metabolism. Using naturally infected berries collected from two vineyards, we were able to identify consistent berry responses to GRBaV across different environmental and cultural conditions...
February 1, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28338719/the-legume-mir1514a-modulates-a-nac-transcription-factor-transcript-to-trigger-phasirna-formation-in-response-to-drought
#10
Guadalupe Sosa-Valencia, Miguel Palomar, Alejandra A Covarrubias, José L Reyes
Recent studies have identified microRNAs as post-transcriptional regulators involved in stress responses. miR1514a is a legume microRNA that is induced in response to drought stress in Phaseolus vulgaris (common bean) and shows differential accumulation levels in roots during water deficit in two cultivars with different drought tolerance phenotypes. A recent degradome analysis revealed that miR1514a targets the transcripts of two NAC transcription factors (TFs), Phvul.010g121000 and Phvul.010g120700. Furthermore, expression studies and small RNA-seq data indicate that only Phvul...
October 7, 2016: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28326087/arabidopsis-nac-transcription-factor-jungbrunnen1-exerts-conserved-control-over-gibberellin-and-brassinosteroid-metabolism-and-signaling-genes-in-tomato
#11
Sara Shahnejat-Bushehri, Annapurna D Allu, Nikolay Mehterov, Venkatesh P Thirumalaikumar, Saleh Alseekh, Alisdair R Fernie, Bernd Mueller-Roeber, Salma Balazadeh
The Arabidopsis thaliana NAC transcription factor JUNGBRUNNEN1 (AtJUB1) regulates growth by directly repressing GA3ox1 and DWF4, two key genes involved in gibberellin (GA) and brassinosteroid (BR) biosynthesis, respectively, leading to GA and BR deficiency phenotypes. AtJUB1 also reduces the expression of PIF4, a bHLH transcription factor that positively controls cell elongation, while it stimulates the expression of DELLA genes, which are important repressors of growth. Here, we extend our previous findings by demonstrating that AtJUB1 induces similar GA and BR deficiency phenotypes and changes in gene expression when overexpressed in tomato (Solanum lycopersicum)...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28304376/an-integrated-analysis-based-on-transcriptome-and-proteome-reveals-deastringency-related-genes-in-cpcna-persimmon
#12
Wenxing Chen, Yalou Xiong, Liqing Xu, Qinglin Zhang, Zhengrong Luo
Persimmon fruits accumulate a large amount of proanthocyanidins (PAs) during development. PAs cause a dry or puckering sensation due to its astringency. Pollination constant and non-astringent (PCNA) persimmon fruits can lose astringency during fruit ripening. However, little is known about the mechanism of natural de-astringency of Chinese PCNA (CPCNA). To gain insight into the molecular events of CPCNA natural de-astringency, we used mRNA-seq and iTRAQ-based quantitative proteomic analysis to measure changes in genes and proteins expression at two key stages of natural astringency removal (i...
March 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28298920/transcriptomic-profiling-of-the-maize-zea-mays-l-leaf-response-to-abiotic-stresses-at-the-seedling-stage
#13
Pengcheng Li, Wei Cao, Huimin Fang, Shuhui Xu, Shuangyi Yin, Yingying Zhang, Dezhou Lin, Jianan Wang, Yufei Chen, Chenwu Xu, Zefeng Yang
Abiotic stresses, including drought, salinity, heat, and cold, negatively affect maize (Zea mays L.) development and productivity. To elucidate the molecular mechanisms of resistance to abiotic stresses in maize, RNA-seq was used for global transcriptome profiling of B73 seedling leaves exposed to drought, salinity, heat, and cold stress. A total of 5,330 differentially expressed genes (DEGs) were detected in differential comparisons between the control and each stressed sample, with 1,661, 2,019, 2,346, and 1,841 DEGs being identified in comparisons of the control with salinity, drought, heat, and cold stress, respectively...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28298916/transcriptome-analysis-of-flowering-time-genes-under-drought-stress-in-maize-leaves
#14
Kitae Song, Hyo Chul Kim, Seungho Shin, Kyung-Hee Kim, Jun-Cheol Moon, Jae Yoon Kim, Byung-Moo Lee
Flowering time is an important factor determining yield and seed quality in maize. A change in flowering time is a strategy used to survive abiotic stresses. Among abiotic stresses, drought can increase anthesis-silking intervals (ASI), resulting in negative effects on maize yield. We have analyzed the correlation between flowering time and drought stress using RNA-seq and bioinformatics tools. Our results identified a total of 619 genes and 126 transcripts whose expression was altered by drought stress in the maize B73 leaves under short-day condition...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28273344/oxidative-stress-serves-as-a-key-checkpoint-for-il-33-release-by-airway-epithelium
#15
M Uchida, E L Anderson, D L Squillace, N Patil, P J Maniak, K Iijima, H Kita, S M O'Grady
BACKGROUND: Interleukin (IL)-33 is implicated in the pathophysiology of asthma and allergic diseases. However, our knowledge is limited regarding how IL-33 release is controlled. The transcription factor nuclear factor-erythroid-2-related factor 2 (Nrf2) plays a key role in antioxidant response regulation. OBJECTIVE: The goal of this project was to investigate the role of cellular oxidative stress in controlling IL-33 release in airway epithelium. METHODS: Complementary approaches were used that included human bronchial epithelial cells and mouse models of airway type-2 immunity that were exposed to fungus Alternaria extract...
March 8, 2017: Allergy
https://www.readbyqxmd.com/read/28261224/aluminum-enhances-growth-and-sugar-concentration-alters-macronutrient-status-and-regulates-the-expression-of-nac-transcription-factors-in-rice
#16
Marcos Moreno-Alvarado, Soledad García-Morales, Libia Iris Trejo-Téllez, Juan Valente Hidalgo-Contreras, Fernando Carlos Gómez-Merino
Aluminum (Al) is a beneficial element for some plant species, especially when used at low concentrations. Though some transcription factors are induced by exposure to this element, no data indicate that Al regulates the expression of NAC genes in rice. In this study we tested the effect of applying 200 μM Al on growth, chlorophyll, amino acids, sugars, macronutrient concentration and regulation of NAC transcription factors gene expression in 24-day-old plants of four rice (Oryza sativa ssp. indica) cultivars: Cotaxtla, Tres Ríos, Huimanguillo and Temporalero, grown hydroponically under greenhouse conditions...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28241800/the-essence-of-nac-gene-family-to-the-cultivation-of-drought-resistant-soybean-glycine-max-l-merr-cultivars
#17
Reem M Hussain, Mohammed Ali, Xing Feng, Xia Li
BACKGROUND: The NAC gene family is notable due to its large size, as well as its relevance in crop cultivation - particularly in terms of enhancing stress tolerance of plants. These plant-specific proteins contain NAC domain(s) that are named after Petunia NAM and Arabidopsis ATAF1/2 and CUC2 transcription factors based on the consensus sequence they have. Despite the knowledge available regarding NAC protein function, an extensive study on the possible use of GmNACs in developing soybean cultivars with superior drought tolerance is yet to be done...
February 28, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28224923/high-throughput-sequencing-reveals-modulation-of-micrornas-in-vigna-mungo-upon-mungbean-yellow-mosaic-india-virus-inoculation-highlighting-stress-regulation
#18
Anirban Kundu, Sujay Paul, Avishek Dey, Amita Pal
MicroRNAs (miRNAs) are 20-24 nucleotides long non-coding RNAs known to play important regulatory roles during biotic and abiotic stresses by controlling gene expression. Blackgram (Vigna mungo), an economically important grain legume is highly susceptible to pathogenic begomovirus Mungbean Yellow Mosaic India Virus (MYMIV) and resulting in high yield loss. In this study two different leaf-small-RNA libraries were prepared from the pooled RNA at three different time points of resistant V. mungo inbred line VM84 inoculated either with viruliferous or non-viruliferous whiteflies carrying MYMIV and performed high-throughput Illumina sequencing...
April 2017: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/28212614/transcriptomic-profiling-provides-molecular-insights-into-hydrogen-peroxide-induced-adventitious-rooting-in-mung-bean-seedlings
#19
Shi-Weng Li, Yan Leng, Rui-Fang Shi
BACKGROUND: Hydrogen peroxide (H2O2) has been known to function as a signalling molecule involved in the modulation of various physiological processes in plants. H2O2 has been shown to act as a promoter during adventitious root formation in hypocotyl cuttings. In this study, RNA-Seq was performed to reveal the molecular mechanisms underlying H2O2-induced adventitious rooting. RESULTS: RNA-Seq data revealed that H2O2 treatment greatly increased the numbers of clean reads and expressed genes and abundance of gene expression relative to the water treatment...
February 17, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28209137/transcriptional-analysis-of-defense-mechanisms-in-upland-tetraploid-switchgrass-to-greenbugs
#20
Teresa Donze-Reiner, Nathan A Palmer, Erin D Scully, Travis J Prochaska, Kyle G Koch, Tiffany Heng-Moss, Jeffrey D Bradshaw, Paul Twigg, Keenan Amundsen, Scott E Sattler, Gautam Sarath
BACKGROUND: Aphid infestation of switchgrass (Panicum virgatum) has the potential to reduce yields and biomass quality. Although switchgrass-greenbug (Schizaphis graminum; GB) interactions have been studied at the whole plant level, little information is available on plant defense responses at the molecular level. RESULTS: The global transcriptomic response of switchgrass cv Summer to GB was monitored by RNA-Seq in infested and control (uninfested) plants harvested at 5, 10, and 15 days after infestation (DAI)...
February 16, 2017: BMC Plant Biology
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