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https://www.readbyqxmd.com/read/28649093/ntl8-regulates-trichome-formation-in-arabidopsis-by-directly-activating-r3-myb-genes-try-and-tcl1
#1
Hainan Tian, Xianling Wang, Hongyan Guo, Yuxin Cheng, Chunjiang Hou, Jin-Gui Chen, Shucai Wang
The NAM, ATAF1/2, and CUC (NAC) are plant-specific transcription factors that regulate multiple aspects of plant growth and development, and plant response to environmental stimuli. We report here the identification of NTM1-LIKE 8 (NTL8), a membrane-associated NAC transcription factor, as a novel regulator of trichome formation in Arabidopsis. From an activation-tagged Arabidopsis population, we identified a dominant, gain-of-function mutant with glabrous inflorescence stem. By using plasmid rescue and RT-PCR analyses, we found that NTL8 was tagged, thus the mutant was named ntl8-1 Dominant (ntl8-1D)...
June 25, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28648937/the-correlation-of-the-standard-5-probe-fish-assay-with-melanocytic-tumors-of-uncertain-malignant-potential
#2
Aaron Muhlbauer, Shabnam Momtahen, Martin C Mihm, James Wang, Cynthia M Magro
BACKGROUND: FISH has recently emerged as a technique to better assess the malignant potential of histologically ambiguous melanocytic lesions. However, the usefulness of FISH has not been conclusively established. The purpose of this study was to further explore the diagnostic value of FISH in distinguishing the borderline melanocytic tumor (BMT) from melanoma. METHOD: 73 cases with BMT were analyzed retrospectively from a dermatopathology database between 2010-2015...
June 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28644769/localization-of-the-caprice-enhancer-of-try-and-cpc1-chimera-protein-in-arabidopsis-root-epidermis
#3
Rumi Tominaga-Wada, Tetsuya Kurata, Takuji Wada
The CAPRICE (CPC) encodes an R3-type MYB transcription factor, which promotes root-hair differentiation. Previously, we showed that the CPC protein moves from the non-hair cell to the neighboring cell and induces root-hair differentiation in Arabidopsis. In addition, we proposed two cell-to-cell movement signal sequences, S1 and S2, in CPC. However, an S1:2xGFP:S2 chimera protein did not move between root epidermal cells. Here, we show that the S1 and S2 sequences do not confer cell-to-cell movement or nuclear localization ability to a GFP protein...
June 23, 2017: Bioscience, Biotechnology, and Biochemistry
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
#4
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
https://www.readbyqxmd.com/read/28642775/ectopic-expression-of-the-grape-hyacinth-muscari-armeniacum-r2r3-myb-transcription-factor-gene-maan2-induces-anthocyanin-accumulation-in-tobacco
#5
Kaili Chen, Hongli Liu, Qian Lou, Yali Liu
Anthocyanins are responsible for the different colors of ornamental plants. Grape hyacinth (Muscari armeniacum), a monocot plant with bulbous flowers, is popular for its fascinating blue color. In the present study, we functionally characterized an R2R3-MYB transcription factor gene MaAN2 from M. armeniacum. Our results indicated that MaAN2 participates in controlling anthocyanin biosynthesis. Sequence alignment and phylogenetic analysis suggested that MaAN2 belonged to the R2R3-MYB family AN2 subgroup. The anthocyanin accumulation of grape hyacinth flowers was positively correlated with the expression of MaAN2...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28640249/mybl2-b-myb-a-central-regulator-of-cell-proliferation-cell-survival-and-differentiation-involved-in-tumorigenesis
#6
REVIEW
Julian Musa, Marie-Ming Aynaud, Olivier Mirabeau, Olivier Delattre, Thomas Gp Grünewald
Limitless cell proliferation, evasion from apoptosis, dedifferentiation, metastatic spread and therapy resistance: all these properties of a cancer cell contribute to its malignant phenotype and affect patient outcome. MYBL2 (alias B-Myb) is a transcription factor of the MYB transcription factor family and a physiological regulator of cell cycle progression, cell survival and cell differentiation. When deregulated in cancer cells, MYBL2 mediates the deregulation of these properties. In fact, MYBL2 is overexpressed and associated with poor patient outcome in numerous cancer entities...
June 22, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28638397/generation-annotation-and-analysis-of-a-large-scale-expressed-sequence-tag-library-from-arabidopsis-pumila-to-explore-salt-responsive-genes
#7
Xianzhong Huang, Lifei Yang, Yuhuan Jin, Jun Lin, Fang Liu
Arabidopsis pumila is an ephemeral plant, and a close relative of the model plant Arabidopsis thaliana, but it possesses higher photosynthetic efficiency, higher propagation rate, and higher salinity tolerance compared to those A. thaliana, thus providing a candidate plant system for gene mining for environmental adaption and salt tolerance. However, A. pumila is an under-explored resource for understanding the genetic mechanisms underlying abiotic stress adaptation. To improve our understanding of the molecular and genetic mechanisms of salt stress adaptation, more than 19,900 clones randomly selected from a cDNA library constructed previously from leaf tissue exposed to high-salinity shock were sequenced...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28637218/genome-wide-characterization-and-expression-analysis-enables-identification-of-abiotic-stress-responsive-myb-transcription-factors-in-cassava-manihot-esculenta
#8
Meng-Bin Ruan, Xin Guo, Bin Wang, Yi-Ling Yang, Wen-Qi Li, Xiao-Ling Yu, Peng Zhang, Ming Peng
The myeloblastosis (MYB) transcription factor superfamily is the largest transcription factor family in plants, playing different roles during stress response. However, abiotic stress-responsive MYB transcription factors have not been systematically studied in cassava (Manihot esculenta), an important tropical tuber root crop. In this study, we used a genome-wide transcriptome analysis to predict 299 putative MeMYB genes in the cassava genome. Under drought and cold stresses, many MeMYB genes exhibited different expression patterns in cassava leaves, indicating that these genes might play a role in abiotic stress responses...
June 20, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28625990/bioavailability-of-carbohydrate-content-in-natural-and-transgenic-switchgrasses-for-the-extreme-thermophile-caldicellulosiruptor-bescii
#9
Jeffrey V Zurawski, Piyum A Khatibi, Hannah O Akinosho, Christopher T Straub, Scott H Compton, Jonathan M Conway, Laura L Lee, Arthur J Ragauskas, Brian H Davison, Michael W W Adams, Robert M Kelly
Improving access to the carbohydrate content of lignocellulose is key to reducing recalcitrance for microbial deconstruction and conversion to fuels and chemicals. Caldicellulosiruptor bescii completely solubilizes naked microcrystalline cellulose, yet this transformation is impeded within the context of the plant cell wall by a network of lignin and hemicellulose. Here, the bioavailability of carbohydrates to C. bescii at 70°C was examined for reduced lignin transgenic switchgrass lines COMT3(+) and MYB Trans, their corresponding parental lines (cultivar Alamo) COMT3(-) and MYB WT, and natural variant cultivar Cave-in-Rock (CR)...
June 16, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28614407/genome-wide-identification-and-characterization-of-micrornas-differentially-expressed-in-fibers-in-a-cotton-phytochrome-a1-rnai-line
#10
Qing Miao, Peng Deng, Sukumar Saha, Johnie N Jenkins, Chuan-Yu Hsu, Ibrokhim Y Abdurakhmonov, Zabardast T Buriev, Alan Pepper, Din-Pow Ma
Cotton fiber is an important commodity throughout the world. Fiber property determines fiber quality and commercial values. Previous studies showed that silencing phytochrome A1 gene (PHYA1) by RNA interference in Upland cotton (Gossypium hirsutum L. cv. Coker 312) had generated PHYA1 RNAi lines with simultaneous improvements in fiber quality (longer, stronger and finer fiber) and other key agronomic traits. Characterization of the altered molecular processes in these RNAi genotypes and its wild-type controls is a great interest to better understand the PHYA1 RNAi phenotypes...
2017: PloS One
https://www.readbyqxmd.com/read/28602696/the-medicago-truncatula-r2r3-myb-transcription-factor-gene-mtmybs1-enhances-salinity-tolerance-when-constitutively-expressed-in-arabidopsis-thaliana
#11
Wei Dong, Yuguang Song, Zhong Zhao, Nian Wei Qiu, Xijiang Liu, Weihua Guo
MYB-type proteins are known to participate in many stress responses, although their role in legumes is still less clear. Here, the isolation and characterization of MtMYBS1, an R2R3 MYB gene isolated from the model legume Medicago truncatula, is described. MtMYBS1 transcription was inducible by NaCl, polyethylene glycol or abscisic acid (ABA). When tested in yeast, its product was shown to have transactivational activity. The constitutive expression of MtMYBS1 in Arabidopsis thaliana seedlings mitigated the restriction on root growth imposed by either salinity or osmotic stress and raised their sensitivity to ABA...
June 8, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28597423/illumina-based-transcriptomic-profiling-of-panax-notoginseng-in-response-to-arsenic-stress
#12
Yanfang Liu, Yanhua Mi, Jianhua Zhang, Qiwan Li, Lu Chen
BACKGROUND: Panax notoginseng, a famous herbal medicine, has recently attracted great attention on its safety and quality since P. notoginseng can accumulate and tolerate As from growing environment. For the purpose of understanding As damage to the quality of P. notoginseng as well as corresponding tolerance mechanisms, genes involved in As stress response were identified using Illumina sequencing. RESULTS: Totally 91,979,946 clean reads were generated and were de novo assembled into 172,355 unigenes...
December 2016: Botanical Studies (Taipei, Taiwan)
https://www.readbyqxmd.com/read/28594931/de-novo-transcriptome-assembly-and-quantification-reveal-differentially-expressed-genes-between-soft-seed-and-hard-seed-pomegranate-punica-granatum-l
#13
Hui Xue, Shangyin Cao, Haoxian Li, Jie Zhang, Juan Niu, Lina Chen, Fuhong Zhang, Diguang Zhao
Pomegranate (Punica granatum L.) belongs to Punicaceae, and is valued for its social, ecological, economic, and aesthetic values, as well as more recently for its health benefits. The 'Tunisia' variety has softer seeds and big arils that are easily swallowed. It is a widely popular fruit; however, the molecular mechanisms of the formation of hard and soft seeds is not yet clear. We conducted a de novo assembly of the seed transcriptome in P. granatum L. and revealed differential gene expression between the soft-seed and hard-seed pomegranate varieties...
2017: PloS One
https://www.readbyqxmd.com/read/28594149/myb-mybl1-mybl2-and-nfib-gene-alterations-and-myc-overexpression-in-salivary-gland-adenoid-cystic-carcinoma
#14
Kana Fujii, Takayuki Murase, Shintaro Beppu, Kosuke Saida, Hisashi Takino, Ayako Masaki, Kei Ijichi, Kimihide Kusafuka, Yoshiyuki Iida, Tetsuro Onitsuka, Yasushi Yatabe, Nobuhiro Hanai, Yasuhisa Hasegawa, Hiroshi Inagaki
AIMS: Adenoid cystic carcinoma (AdCC) is one of the most common salivary gland malignancies and the long-term prognosis is poor. In this study, we examined alterations of AdCC-associated genes, MYB, MYBL1, MYBL2, and NFIB, and their target molecules including MYC. The results were correlated to clinicopathological profile of the patients. METHODS AND RESULTS: Using paraffin tumor sections from 33 cases of salivary gland AdCC, we performed a detailed fluorescence in situ hybridization (FISH) analysis for gene splits and fusions of MYB, MYBL1, MYBL2, and NFIB...
June 8, 2017: Histopathology
https://www.readbyqxmd.com/read/28591653/a-highly-efficient-human-pluripotent-stem-cell-microglia-model-displays-a-neuronal-co-culture-specific-expression-profile-and-inflammatory-response
#15
Walther Haenseler, Stephen N Sansom, Julian Buchrieser, Sarah E Newey, Craig S Moore, Francesca J Nicholls, Satyan Chintawar, Christian Schnell, Jack P Antel, Nicholas D Allen, M Zameel Cader, Richard Wade-Martins, William S James, Sally A Cowley
Microglia are increasingly implicated in brain pathology, particularly neurodegenerative disease, with many genes implicated in Alzheimer's, Parkinson's, and motor neuron disease expressed in microglia. There is, therefore, a need for authentic, efficient in vitro models to study human microglial pathological mechanisms. Microglia originate from the yolk sac as MYB-independent macrophages, migrating into the developing brain to complete differentiation. Here, we recapitulate microglial ontogeny by highly efficient differentiation of embryonic MYB-independent iPSC-derived macrophages then co-culture them with iPSC-derived cortical neurons...
June 6, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28588701/aberrant-expression-of-aid-and-aid-activators-of-nf-%C3%AE%C2%BAb-and-pax5-is-irrelevant-to-ebv-associated-gastric-cancers-but-is-associated-with-carcinogenesis-in-certain-ebv-non-associated-gastric-cancers
#16
Takashi Mohri, Keiko Nagata, Satoshi Kuwamoto, Michiko Matsushita, Hirotsugu Sugihara, Masako Kato, Yasushi Horie, Ichiro Murakami, Kazuhiko Hayashi
Epstein-Barr virus-associated gastric carcinoma (EBVaGC) is a distinct subtype of gastric cancer characterized by clinicopathological features including lymphoepithelioma-like histology. Aberrant expression of activation-induced cytidine deaminase (AID) as a genomic modulator was demonstrated through pathogen-related nuclear factor κB (NF-κB) signaling in Helicobacter pylori-associated gastric cancer. To elucidate whether or not AID expression is relevant to carcinogenesis in EBVaGC, immunohistochemical expression of AID and AID-regulatory factors between EBVaGC and EBV-non-associated gastric carcinoma (GC) were evaluated, each using 15 cases of GC with lymphoid stroma (GCLS) and other types of GC...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28587075/identification-of-anthocyanin-composition-and-functional-analysis-of-an-anthocyanin-activator-in-solanum-nigrum-fruits
#17
Shaoli Wang, Zhaohui Chu, Mingxing Ren, Ru Jia, Changbao Zhao, Dan Fei, Hao Su, Xiaoqi Fan, Xiaotian Zhang, Yang Li, Yingzi Wang, Xinhua Ding
Solanum nigrum fruits have been conventionally used in beverages due to their nutritional substances such as minerals, vitamins, amino acids, proteins, sugars, polyphenols, and anthocyanins. The characterization of components and regulatory mechanism of anthocyanins in S. nigrum fruits have rarely been reported. In this study, we determined that the peel and flesh of S. nigrum fruits shared similar HPLC profiles but different contents and total antioxidant activities for anthocyanins. After an efficient purification method, mainly including extraction with pH 1...
May 25, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28586097/genome-wide-analysis-of-specific-alterations-in-transcript-structure-and-accumulation-caused-by-nutrient-deficiencies-in-arabidopsis-thaliana
#18
Sho Nishida, Yusuke Kakei, Yukihisa Shimada, Toru Fujiwara
Alteration of transcript structure contributes to transcriptome plasticity. In this study, we analyzed the genome-wide response of exon combination patterns to deficiencies in 12 different nutrients in Arabidopsis thaliana roots. RNA sequencing analysis and bioinformatics using a simulation survey revealed more than 600 genes showing varying exon combinations. The overlap between genes showing differential expression (DE) and genes showing differential exon combination (DC) was significantly small. Additionally, gene ontology analysis showed that gene functions were not shared between the DE and DC genes, suggesting that the genes showing DC had different roles than those showing DE...
June 6, 2017: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/28584730/comparative-transcriptome-analysis-of-isonuclear-alloplasmic-lines-unmask-key-transcription-factor-genes-and-metabolic-pathways-involved-in-sterility-of-maize-cms-c
#19
Chuan Li, Zhuofan Zhao, Yongming Liu, Bing Liang, Shuxian Guan, Hai Lan, Jing Wang, Yanli Lu, Moju Cao
Although C-type cytoplasmic male sterility (CMS-C) is one of the most attractive tools for maize hybrid seed production, the detailed regulation network of the male sterility remains unclear. In order to identify the CMS-C sterility associated genes and/or pathways, the comparison of the transcriptomes between the CMS-C line C48-2 and its isonuclear-alloplasmic maintainer line N48-2 at pollen mother cell stage (PS), an early development stage of microspore, and mononuclear stage (MS), an abortive stage of microspore, were analyzed...
2017: PeerJ
https://www.readbyqxmd.com/read/28578021/transcriptome-profiling-of-the-floral-buds-and-discovery-of-genes-related-to-sex-differentiation-in-the-dioecious-cucurbit-coccinia-grandis-l-voigt
#20
Jatindra Nath Mohanty, Sanghamitra Nayak, Sumita Jha, Raj Kumar Joshi
Dioecious species offer an inclusive structure to study the molecular basis of sexual dimorphism in angiosperms. Despite having a small genome and heteromorphic sex chromosomes, Coccinia grandis is a highly neglected dioecious species with little information available on its physical state, genetic orientation and key sex-defining elements. In the present study, we performed RNA-Seq and DGE analysis of male (MB) and female (FB) buds in C. grandis to gain insights into the molecular basis of sex determination in this plant...
May 31, 2017: Gene
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