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https://www.readbyqxmd.com/read/28110431/a-report-on-identification-of-sequence-polymorphism-in-barcode-region-of-six-commercially-important-cymbopogon-species
#1
Ashok Kumar Bishoyi, Aarti Kavane, Anjali Sharma, K A Geetha
CYMBOPOGON: is an important member of grass family Poaceae, cultivated for essential oils which have greater medicinal and industrial value. Taxonomic identification of Cymbopogon species is determined mainly by morphological markers, odour of essential oils and concentration of bioactive compounds present in the oil matrices which are highly influenced by environment. Authenticated molecular marker based taxonomical identification is also lacking in the genus; hence effort was made to evaluate potential DNA barcode loci in six commercially important Cymbopogon species for their individual discrimination and authentication at the species level...
January 21, 2017: Molecular Biology Reports
https://www.readbyqxmd.com/read/28110414/expression-of-the-citrus-cstip2-1-gene-improves-tobacco-plant-growth-antioxidant-capacity-and-physiological-adaptation-under-stress-conditions
#2
Cristina P S Martins, Diana M Neves, Luciana C Cidade, Amanda F S Mendes, Delmira C Silva, Alex-Alan F Almeida, Mauricio A Coelho-Filho, Abelmon S Gesteira, Walter S Soares-Filho, Marcio G C Costa
Overexpression of the citrus CsTIP2;1 improves plant growth and tolerance to salt and drought stresses by enhancing cell expansion, H 2 O 2 detoxification and stomatal conductance. Tonoplast intrinsic proteins (TIPs) are a subfamily of aquaporins, belonging to the major intrinsic protein family. In a previous study, we have shown that a citrus TIP isoform, CsTIP2;1, is highly expressed in leaves and also transcriptionally regulated in leaves and roots by salt and drought stresses and infection by 'Candidatus Liberibacter asiaticus', the causal agent of the Huanglongbing disease, suggesting its involvement in the regulation of the flow of water and nutrients required during both normal growth and stress conditions...
January 21, 2017: Planta
https://www.readbyqxmd.com/read/28110013/dna-damage-and-translational-response-during-detoxification-from-copper-exposure-in-a-wild-population-of-chironomus-riparius
#3
Paola Bernabò, Matteo Gaglio, Francesco Bellamoli, Gabriella Viero, Valeria Lencioni
Copper is one of the predominant components of pesticides employed in agriculture and known to be highly toxic once it reaches aquatic organisms. The impact of sublethal concentrations of this metal on wild insects is not yet completely understood. Studies addressing alterations in different levels of gene expression are still lacking. We previously demonstrated that in a wild population of Chironomus riparius, HSP and CYP families of genes were up-regulated at the transcriptional level after copper exposure...
January 16, 2017: Chemosphere
https://www.readbyqxmd.com/read/28109823/divergent-regulation-of-insulin-like-growth-factor-binding-protein-genes-in-cultured-atlantic-salmon-myotubes-under-different-models-of-catabolism-and-anabolism
#4
Daniel Garcia de la Serrana, Eduardo N Fuentes, Samuel A M Martin, Ian A Johnston, Daniel J Macqueen
Much attention has been given to insulin-like growth factor (Igf) pathways that regulate the balance of skeletal muscle protein synthesis and breakdown in response to a range of extrinsic and intrinsic signals. However, we have a less complete understanding of how the same signals modulate muscle mass upstream of such signalling, through a family of functionally-diverse Igf-binding proteins (Igfbps) that modify the availability of Igfs to the cell receptor Igf1r. We exposed cultured myotubes from Atlantic salmon (Salmo salar L...
January 18, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28109622/genetics-for-the-identification-of-lipid-targets-beyond-pcsk9
#5
REVIEW
Linda R Wang, Robert A Hegele
From studies of rare families to genome-wide associations in populations, understanding of human genetics has accelerated the search for new drug targets for the prevention of atherosclerotic cardiovascular disease. DNA sequencing and genome-wide analyses of DNA markers have illuminated rare as well as common variants in genes that regulate lipids and ultimately atherosclerosis risk. A recent innovative approach called Mendelian randomization can endorse specific genes and variants as causative not just for lipid disturbances, but also for clinical cardiovascular end points...
November 11, 2016: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/28109598/identification-and-analysis-of-the-expression-of-microrna-from-lactating-and-nonlactating-mammary-glands-of-the-chinese-swamp-buffalo
#6
Xiaoyan Cai, Qingyou Liu, Xiaoxi Zhang, Yanping Ren, Xiaocan Lei, Sheng Li, Qiuping Chen, Kai Deng, Ping Wang, Haihang Zhang, Deshun Shi
To study the role of microRNA (miR) in the lactation physiology of water buffalo, 2 multiparous dairy buffaloes (including an 8-yr-old buffalo that had been lactating for 3 mo, as well as a 10-yr-old nonlactating, nonpregnant buffalo) were used for miR library construction. The profile of differentially expressed miR in lactating and nonlactating mammary gland tissues of these water buffalo were investigated using Illumina-Solexa high-throughput sequencing technology (Illumina, San Diego, CA). The data identified 259 miR families, 359 mature miR, 363 pre-miR, 230 novel buffalo miR, and 5 buffalo-specific miR that were expressed in mammary tissues...
January 18, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28109265/population-genetics-of-mouse-lemur-vomeronasal-receptors-current-versus-past-selection-and-demographic-inference
#7
Philipp Hohenbrink, Nicholas I Mundy, Ute Radespiel
BACKGROUND: A major effort is underway to use population genetic approaches to identify loci involved in adaptation. One issue that has so far received limited attention is whether loci that show a phylogenetic signal of positive selection in the past also show evidence of ongoing positive selection at the population level. We address this issue using vomeronasal receptors (VRs), a diverse gene family in mammals involved in intraspecific communication and predator detection. In mouse lemurs, we previously demonstrated that both subfamilies of VRs (V1Rs and V2Rs) show a strong signal of directional selection in interspecific analyses...
January 21, 2017: BMC Evolutionary Biology
https://www.readbyqxmd.com/read/28109207/rhodohalobacter-halophilus-gen-nov-sp-nov-a-moderately-halophilic-member-of-the-family-balneolaceae
#8
Jun Xia, Zhi-Hong Xie, Christopher A Dunlap, Alejandro P Rooney, Zong-Jun Du
A novel Gram-stain-negative, rod-shaped, facultatively anaerobic, oxidase-negative and catalase-positive bacterium, designated JZ3C29T, was isolated from a saltern located in Feicheng, China. Strain JZ3C29T was tolerant to moderate salt conditions. Optimal growth occurred at 40 °C (range 20-50 °C) and pH 7.5-8.5 (range pH 7.0-9.0) with 8-10 % (w/v) NaCl (range 2-16 %). Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain JZ3C29T shared highest similarity with Gracilimonas tropica CL-CB462T (90...
January 19, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28109156/-cloning-and-sequence-analysis-of-variable-region-genes-of-mouse-anti-human-s100a9-monoclonal-antibody
#9
Min Yan, Danyang Mi, Xiangdong Sun, Zhenqiang Zhang, Huahui Zeng, Wendi Liu
Objective To clone and analyze variable region gene sequences of mouse monoclonal antibody against human S100A9 (anti-human S100A9 mAb). Methods Total RNA was extracted from the hybridoma cell line (IID4B10) secreting mouse anti-human S100A9 mAb. Furthermore, the heavy chain variable region (VH) and light chain variable region (VL) genes were amplified using reverse transcription-polymerase chain reaction (RT-PCR). After the cloning and sequencing of the VH and VL genes, the sequence analyses were performed by BLAST program...
February 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28108907/peripapillary-retinal-nerve-fiber-layer-and-ganglion-cell-inner-plexiform-layer-thickness-in-adult-onset-familial-mediterranean-fever
#10
Sait Alim, Mehmet Esen, Ayşe Kevser Demir, Selim Demir, Hüseyin Ortak, Alper Güneş, Tufan Alatli, Helin Deniz Demir
OBJECTIVE: The purpose of the present study was to evaluate the thickness of the peripapillary retinal nerve fiber layer (RNFL) and retinal ganglion cell-inner plexiform layer (GCIPL) in adult-onset familial Mediterranean fever (FMF). METHODS: Forty two adult-onset FMF patients and forty two healthy controls were included in the present study. Detailed ocular examination was performed, and then the thickness of the peripapillary RNFL and GCIPL was measured by Spectral domain optical coherence tomography...
January 21, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28108859/the-arc-gene-confers-genetic-susceptibility-to-alzheimer-s-disease-in-han-chinese
#11
Rui Bi, Li-Li Kong, Min Xu, Guo-Dong Li, Deng-Feng Zhang, Tao Li, Yiru Fang, Chen Zhang, Buchang Zhang, Yong-Gang Yao
Alzheimer's disease (AD) is the most common form of dementia. The deposition of β-amyloid (Aβ) plaques in the brain was considered one of the main neuropathological hallmarks of AD. As the loss of synapses always occurs during AD progression, AD has been gradually regarded as a "synaptopathy." The activity-regulated cytoskeleton-associated protein (Arc) was recently identified as a key factor for AD due to its active roles in synaptic plasticity, learning, memory, and Aβ generation. However, there is little evidence to support the association of the Arc gene with AD...
January 20, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28108764/letr-is-a-tetr-family-transcription-factor-from-lysobacter-controlling-antifungal-antibiotic-biosynthesis
#12
Ping Wang, Hongfu Chen, Guoliang Qian, Fengquan Liu
Heat-stable antifungal factor (HSAF) is a newly identified and broad-spectrum antifungal antibiotic from Lysobacter enzymogenes, a ubiquitous environmental proteobacterium. Yet, the regulatory mechanism for HSAF biosynthesis in L. enzymogenes remains poorly understood. Here, we report the identification of a TetR-family protein Le1552 (LetR) from L. enzymogenes strain OH11 that is involved in transcriptional repression of HSAF production. Bacterial one-hybrid and gel mobility shift assays show that LetR directly binds to PHSAF (the promoter region of the HSAF biosynthesis operon)...
January 20, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28108622/a-genome-wide-loss-of-function-screen-identifies-slc26a2-as-a-novel-mediator-of-trail-resistance
#13
Lina Dimberg, Christina G Towers, Kian Behbakht, Taylor Hotz, Jihye Kim, Susan P Fosmire, Christopher C Porter, Aik-Choon Tan, Andrew Thorburn, Heide L Ford
: TNF-related apoptosis inducing ligand (TRAIL) is a potent death-inducing ligand that mediates apoptosis through the extrinsic pathway and serves as an important endogenous tumor suppressor mechanism. Because tumor cells are often killed by TRAIL and normal cells are not, drugs that activate the TRAIL pathway have been thought to have potential clinical value. However, to date, most TRAIL-related clinical trials have largely failed due to the tumor cells having intrinsic or acquired resistance to TRAIL-induced apoptosis...
January 20, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28108520/rna-binding-specificity-landscape-of-the-pentatricopeptide-repeat-protein-ppr10
#14
Rafael G Miranda, Margarita Rojas, Michael P Montgomery, Kyle P Gribbin, Alice Barkan
Pentatricopeptide repeat (PPR) proteins comprise a large family of helical repeat proteins that influence gene expression in mitochondria and chloroplasts. PPR tracts can bind RNA via a modular one repeat-one nucleotide mechanism in which the nucleotide is specified by the identities of several amino acids in each repeat. This mode of recognition, the so-called PPR code, offers opportunities for the prediction of native PPR binding sites and the design of proteins to bind specified RNAs. However, a deep understanding of the parameters that dictate the affinity and specificity of PPR-RNA interactions is necessary to realize these goals...
January 20, 2017: RNA
https://www.readbyqxmd.com/read/28108514/somatic-ephrin-receptor-mutations-are-associated-with-metastasis-in-primary-colorectal-cancer
#15
Lucy Mathot, Snehangshu Kundu, Viktor Ljungström, Jessica Svedlund, Lotte Moens, Tom Adlerteg, Elin Falk-Sörqvist, Verónica Rendo, Claudia Bellomo, Markus Mayrhofer, Carme Cortina, Magnus Sundström, Patrick Micke, Johan Botling, Anders Isaksson, Aristidis Moustakas, Eduard Batlle, Helgi Birgisson, Bengt Glimelius, Mats Nilsson, Tobias Sjöblom
The contribution of somatic mutations to metastasis of colorectal cancers (CRC) is currently unknown. To find mutations involved in the CRC metastatic process, we performed deep mutational analysis of 676 genes in 107 stages II-IV primary CRC, of which half had metastasized. The mutation prevalence in the ephrin (Eph) family of tyrosine kinase receptors was ten-fold higher in primary tumors of metastatic CRC than in non-metastatic cases and preferentially occurred in stage III and IV tumours. Mutational analyses in situ confirmed expression of mutant Eph receptors...
January 20, 2017: Cancer Research
https://www.readbyqxmd.com/read/28108469/blood-rna-biomarkers-in-prodromal-park4-and-rem-sleep-behavior-disorder-show-role-of-complexin-1-loss-for-risk-of-parkinson-s-disease
#16
Suna Lahut, Suzana Gispert, Özgür Ömür, Candan Depboylu, Kay Seidel, Jorge Antolio Domínguez-Bautista, Nadine Brehm, Hülya Tireli, Karl Hackmann, Caroline Pirkevi, Barbara Leube, Vincent Ries, Kerstin Reim, Nils Brose, Wilfred F den Dunnen, Madrid Johnson, Zsuzsanna Wolf, Marc Schindewolf, Wiebke Schrempf, Kathrin Reetz, Peter Young, David Vadasz, Achilleas S Frangakis, Evelin Schröck, Helmuth Steinmetz, Marina Jendrach, Udo Rüb, Ayşe Nazlı Başak, Wolfgang Oertel, Georg Auburger
Parkinson's disease (PD) is a frequent neurodegenerative process at old age. Accumulation and aggregation of the lipid-binding SNARE complex component alpha-synuclein (SNCA) underlies this vulnerability and defines stages of disease progression. Determinants of SNCA levels and mechanisms of SNCA neurotoxicity are intensely investigated. In view of physiological SNCA roles in blood to modulate vesicle release, we studied blood samples from a new large pedigree with SNCA gene duplication (PARK4 mutation), to identify effects of SNCA gain-of-function as potential disease biomarkers...
January 20, 2017: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/28108419/regulation-of-protein-kinase-c-related-kinase-prk-signalling-by-the-tp%C3%AE-and-tp%C3%AE-isoforms-of-the-human-thromboxane-a2-receptor-implications-for-thromboxane-and-androgen-dependent-neoplastic-and-epigenetic-responses-in-prostate-cancer
#17
Aine G O'Sullivan, Eamon P Mulvaney, B Therese Kinsella
The prostanoid thromboxane (TX) A2 and its T Prostanoid receptor (the TP) are increasingly implicated in prostate cancer (PCa). Mechanistically, we recently discovered that both TPα and TPβ form functional signalling complexes with members of the protein kinase C-related kinase (PRK) family, AGC- kinases essential for the epigenetic regulation of androgen receptor (AR)-dependent transcription and promising therapeutic targets for treatment of castrate-resistant prostate cancer (CRPC). Critically, similar to androgens, activation of the PRKs through the TXA2/TP signalling axis induces phosphorylation of histone H3 at Thr11 (H3Thr11), a marker of androgen-induced chromatin remodelling and transcriptional activation, raising the possibility that TXA2-TP signalling can mimic and/or enhance AR-induced cellular changes even in the absence of circulating androgens such as in CRPC...
January 17, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28108301/pfkfb3-a-direct-target-of-p63-is-required-for-proliferation-and-inhibits-differentiation-in-epidermal-keratinocytes
#18
Robert B Hamanaka, Gökhan M Mutlu
p63 is a transcription factor essential for epidermal development and homeostasis. p63 is a member of the p53 family of transcription factors, which are increasingly understood to be regulators of cellular metabolism. How p63 regulates metabolism in epidermal keratinocytes is incompletely understood, and it is unknown whether glycolytic regulation is essential to maintain the balance between proliferation and differentiation within the epidermis. We found that p63 promotes glycolytic metabolism in epidermal keratinocytes...
January 17, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28108261/heterotrimeric-g-protein-g%C3%AE-s-subunit-attenuates-plekhg2-a-rho-family-specific-guanine-nucleotide-exchange-factor-by-direct-interaction
#19
Kazue Sugiyama, Kenji Tago, Sayumi Matsushita, Masashi Nishikawa, Katsuya Sato, Yoshinori Muto, Takahiro Nagase, Hiroshi Ueda
PLEKHG2 is a Gβγ-dependent guanine nucleotide exchange factor (GEF) for the small GTPases Rac and Cdc42, and has been shown to mediate signalling pathways such as actin cytoskeleton reorganization and serum response element (SRE)-dependent gene transcription. Here we show that the constitutively active mutant of the Gαs subunit significantly attenuated PLEKHG2-induced SRE-mediated gene transcription. Strikingly, we observed that the constitutive activation of endogenous Gαs by treatment with CTx caused a similar inhibitory effect on PLEKHG2-induced activation of SRE...
January 17, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28107777/the-dc1-domain-protein-vacuoleless-gametophytes-is-essential-for-female-and-male-gametophyte-development-in-arabidopsis
#20
Sebastián D'Ippólito, Leonardo Agustín Arias, Claudia Anahí Casalongué, Gabriela Carolina Pagnussat, Diego Fernando Fiol
In this work we identified VACUOLELESS GAMETOPHYTES (VLG) as a DC1 domain containing protein present in the endomembrane system essential for both female and male gametophyte development. VLG was originally annotated as a gene coding for an unknown function protein containing DC1 domains. DC1 domains are cysteine and histidine -rich zinc finger domains found exclusively in the plant Kingdom that have been named based on its similarity with the C1 domain present in protein kinase C (PKC). In Arabidopsis, both male and female gametophytes are characterized by the formation of a big vacuole early in development, which is absent in vlg mutant plants...
January 20, 2017: Plant Journal: for Cell and Molecular Biology
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