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https://www.readbyqxmd.com/read/28899681/comparative-degradomics-of-porcine-and-human-wound-exudates-unravels-biomarker-candidates-for-assessment-of-wound-healing-progression-in-trauma-patients
#1
Fabio Sabino, Fabian E Egli, Simonas Savickas, Jörg Holstein, Daniela Kaspar, Mika Rollmann, Jayachandran N Kizhakkedathu, Tim Pohlemann, Hans Smola, Ulrich Auf dem Keller
Impaired cutaneous wound healing is a major complication in elderly people and patients suffering from diabetes with raising rates in industrialized countries. Heterogeneity of clinical manifestations hampers effective molecular diagnostics and decisions for appropriate therapeutic regimens. Using a customized positional quantitative proteomics workflow, we have established a time-resolved proteome and N-terminome resource from wound exudates in a clinically relevant pig wound model that we exploited as robust template to interpret a heterogeneous dataset from patients undergoing the same wound treatment...
September 9, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28885180/next-generation-sequencing-sheds-new-light-on-small-rnas-in-plant-reproductive-development
#2
Xiaobai Li
Reproductive development is a key step of the plant life cycles and indicates the start of a new life cycle. The reproductive organs including flower, fruit and seed, have diverse and complex structures, which is a syndrome in the evolution of angiosperms. The development of plant reproductive organs depends on the correct spatial and temporal expression of numerous genes acting in concert to form regulatory networks. Small non-coding RNAs (sRNAs) play a key role in the reproductive development through different modes of sequence-specific interaction with their targets...
September 8, 2017: Current Issues in Molecular Biology
https://www.readbyqxmd.com/read/28884358/effective-enhancement-of-resistance-to-phytophthora-infestans-by-overexpression-of-mir172a-and-b-in-solanum-lycopersicum
#3
Yushi Luan, Jun Cui, Jie Li, Ning Jiang, Ping Liu, Jun Meng
Overexpression of miR172a and b in tomato ( Solanum lycopersicum ) Zaofen No. 2 increased resistance to Phytophthora infestans infection by suppressing of an AP2/ERF transcription factor. The miR172 family has been shown to participate in the growth phase transition, flowering time control, abiotic and biotic stresses by regulating the expression of a small group of AP2/ERF transcription factors. In this study, the precursors of miR172a and b were cloned from tomato, Solanum pimpinellifolium L3708. We used the degradome sequencing to determine the cleavage site of miR172 to a member of the AP2/ERF transcription factor family (Solyc11g072600...
September 7, 2017: Planta
https://www.readbyqxmd.com/read/28877679/micrornas-participate-in-gene-expression-regulation-and-phytohormone-cross-talk-in-barley-embryo-during-seed-development-and-germination
#4
Bin Bai, Bo Shi, Ning Hou, Yanli Cao, Yijun Meng, Hongwu Bian, Muyuan Zhu, Ning Han
BACKGROUND: Small RNA and degradome sequencing have identified a large number of miRNA-target pairs in plant seeds. However, detailed spatial and temporal studies of miRNA-mediated regulation, which can reflect links between seed development and germination are still lacking. RESULTS: In this study, we extended our investigation on miRNAs-involved gene regulation by a combined analysis of seed maturation and germination in barley. Through bioinformatics analysis of small RNA sequencing data, a total of 1324 known miRNA families and 448 novel miRNA candidates were identified...
September 6, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28842680/small-rna-profiles-from-panax-notoginseng-roots-differing-in-sizes-reveal-correlation-between-mir156-abundances-and-root-biomass-levels
#5
Yun Zheng, Kun Chen, Zhenning Xu, Peiran Liao, Xiaotuo Zhang, Li Liu, Kangning Wei, Diqiu Liu, Yong-Fang Li, Ramanjulu Sunkar, Xiuming Cui
Plant genomes encode several classes of small regulatory RNAs (sRNAs) that play critical roles in both development and stress responses. Panax notoginseng (Burk.) F.H. Chen (P. notoginseng) is an important traditional Chinese herbal medicinal plant species for its haemostatic effects. Therefore, the root yield of P. notoginseng is a major economically important trait since the roots of P. notoginseng are the parts used to produce medicine. To identify sRNAs that are critical for the root biomass of P. notoginseng, we performed a comprehensive study of miRNA transcriptomes from P...
August 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28808767/identification-and-expression-analysis-of-micrornas-during-ovule-development-in-rice-oryza-sativa-by-deep-sequencing
#6
Ya Wu, Liyu Yang, Meiling Yu, Jianbo Wang
MicroRNA (miRNA) expression profiles during rice ovule development revealed the possible miRNA-mediated regulation between ovule sporophytic tissue and female gametophyte and the involvement of miRNAs in programmed cell death. MiRNAs are 20-24-nucleotide small RNAs that play key roles in the regulation of many growth and developmental processes in plants. Rice ovule development comprises a series of biological events, which are regulated by complex molecular mechanisms. To gain insight into miRNA-mediated regulation of rice ovule development, Illumina sequencing was used to examine the expression of miRNAs from the megaspore mother cell meiosis stage to the fertilized ovule stage...
August 14, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28803266/a-degradome-based-polymerase-chain-reaction-to-resolve-the-potential-of-environmental-samples-for-2-4-dichlorophenol-biodegradation
#7
Eslam S Ibrahim, Mona T Kashef, Tamer M Essam, Mohammed A Ramadan
A clean way to overcome environmental pollution is biodegradation. In this perspective, at the intersection of biodegradation and metagenomics, the degradome is defined as the totality of genes related to the biodegradation of a certain compound. It includes the genetic elements from both culturable and uncultured microorganisms. The possibility of assessing the biodegradation potential of an environmental samples, using a degradome-based polymerase chain reaction, was explored. 2,4-Dichlorophenol (2,4-DCP) was chosen as a model and the use of tfdB gene as a biodegradation marker was confirmed by bioinformatics study of TfdB protein...
August 12, 2017: Current Microbiology
https://www.readbyqxmd.com/read/28797648/overview-of-transcriptomic-analysis-of-all-human-proteases-non-proteolytic-homologs-and-inhibitors-organ-tissue-and-ovarian-cancer-cell-line-expression-profiling-of-the-human-protease-degradome-by-the-clip-chip%C3%A2-dna-microarray
#8
REVIEW
Reinhild Kappelhoff, Xose S Puente, Claire H Wilson, Arun Seth, Carlos Lopez-Otin, Christopher M Overall
The protease degradome is defined as the complete repertoire of proteases and inhibitors, and their nonfunctional homologs present in a cell, tissues or organism at any given time. We review the tissue distribution of virtually the entire degradome in 23 different human tissues and 6 ovarian cancer cell lines. To do so, we developed the CLIP-CHIP™, a custom microarray based on a 70-mer oligonucleotide platform, to specifically profile the transcripts of the entire repertoire of 473 active human proteases, 156 protease inhibitors and 92 non-proteolytically active homologs known at the design date using one specific oligonucleotide per transcript...
August 7, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28733325/protease-cleavage-site-fingerprinting-by-label-free-in-gel-degradomics-reveals-ph-dependent-specificity-switch-of-legumain
#9
Robert Vidmar, Matej Vizovišek, Dušan Turk, Boris Turk, Marko Fonović
Determination of protease specificity is of crucial importance for understanding protease function. We have developed the first gel-based label-free proteomic approach (DIPPS-direct in-gel profiling of protease specificity) that enables quick and reliable determination of protease cleavage specificities under large variety of experimental conditions. The methodology is based on in-gel digestion of the gel-separated proteome with the studied protease, enrichment of cleaved peptides by gel extraction, and subsequent mass spectrometry analysis combined with a length-limited unspecific database search...
August 15, 2017: EMBO Journal
https://www.readbyqxmd.com/read/28724775/n-degradomic-analysis-reveals-a-proteolytic-network-processing-the-podocyte-cytoskeleton
#10
Markus M Rinschen, Ann-Kathrin Hoppe, Florian Grahammer, Martin Kann, Linus A Völker, Eva-Maria Schurek, Julie Binz, Martin Höhne, Fatih Demir, Milena Malisic, Tobias B Huber, Christine Kurschat, Jayachandran N Kizhakkedathu, Bernhard Schermer, Pitter F Huesgen, Thomas Benzing
Regulated intracellular proteostasis, controlled in part by proteolysis, is essential in maintaining the integrity of podocytes and the glomerular filtration barrier of the kidney. We applied a novel proteomics technology that enables proteome-wide identification, mapping, and quantification of protein N-termini to comprehensively characterize cleaved podocyte proteins in the glomerulus in vivo We found evidence that defined proteolytic cleavage results in various proteoforms of important podocyte proteins, including those of podocin, nephrin, neph1, α-actinin-4, and vimentin...
July 19, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28705956/rapid-recovery-gene-downregulation-during-excess-light-stress-and-recovery-in-arabidopsis
#11
Peter Alexander Crisp, Diep Ganguly, Aaron B Smith, Kevin D Murray, Gonzalo M Estavillo, Iain R Searle, Ethan Ford, Ozren Bogdanović, Ryan Lister, Justin O Borevitz, Steven R Eichten, Barry J Pogson
Stress recovery may prove to be a promising approach to increase plant performance, and theoretically, mRNA instability may facilitate faster recovery. Transcriptome (RNA-seq, qPCR, sRNA-seq, PARE) and methylome profiling during repeated excess-light stress and recovery was performed at intervals as short as three minutes. We demonstrate that 87% of the stress-upregulated mRNAs analysed exhibit very rapid recovery. For instance, HSP101 abundance declined two-fold every 5.1 minutes. We term this phenomenon Rapid Recovery Gene Downregulation (RRGD), whereby mRNA abundance rapidly decreases promoting transcriptome resetting...
July 13, 2017: Plant Cell
https://www.readbyqxmd.com/read/28698160/investigating-the-regulatory-roles-of-the-micrornas-and-the-argonaute-1-enriched-small-rnas-in-plant-metabolism
#12
Jingping Qin, Zhonghai Tang, Xiaoxia Ma, Yijun Meng
The biological roles of small RNAs (sRNAs) in metabolic processes are emerging. However, a systemic study is needed to investigate the wide-spread involvement of the sRNAs in plant metabolism. By using the metabolism-related transcripts retrieved from the public database Plant Metabolic Network, and the publicly available sRNA high-throughput sequencing data, large-scale target identification was performed for microRNAs (miRNAs) and Argonaute 1 (AGO1)-enriched sRNAs in Arabidopsis (Arabidopsis thaliana) and rice (Oryza sativa)...
July 8, 2017: Gene
https://www.readbyqxmd.com/read/28674878/characterization-of-the-low-molecular-weight-human-plasma-peptidome
#13
David W Greening, Richard J Simpson
The human plasma proteome represents an important secreted sub-proteome. Proteomic analysis of blood plasma with mass spectrometry is a challenging task. The high complexity and wide dynamic range of proteins as well as the presence of several proteins at very high concentrations complicate the profiling of the human plasma proteome. The peptidome (or low-molecular-weight fraction, LMF) of the human plasma proteome is an invaluable source of biological information, especially in the context of identifying plasma-based markers of disease...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28639897/gene-signature-based-on-degradome-related-genes-can-predict-distal-metastasis-in-cervical-cancer-patients
#14
Jorge Fernandez-Retana, Horacio Zamudio-Meza, Miguel Rodriguez-Morales, Abraham Pedroza-Torres, David Isla-Ortiz, Luis Herrera, Nadia Jacobo-Herrera, Oscar Peralta-Zaragoza, César López-Camarillo, Fermin Morales-Gonzalez, David Cantu de Leon, Carlos Pérez-Plasencia
Cervical cancer is one of the leading causes of death in women worldwide, which mainly affects developing countries. The patients who suffer a recurrence and/or progression disease have a higher risk of developing distal metastases. Proteases comprising the degradome given its ability to promote cell growth, migration, and invasion of tissues play an important role during tumor development and progression. In this study, we used high-density microarrays and quantitative reverse transcriptase polymerase chain reaction to evaluate the degradome profile and their inhibitors in 112 samples of patients diagnosed with locally advanced cervical cancer...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28637931/comparative-miromics-of-salt-tolerant-and-salt-sensitive-rice
#15
Kavita Goswami, Anita Tripathi, Neeti Sanan-Mishra
Increase in soil salt causes osmotic and ionic stress to plants, which inhibits their growth and productivity. Rice production is also hampered by salinity and the effect of salt is most severe at the seedling and reproductive stages. Salainity tolerance is a quantitative property controlled by multiple genes coding for signaling molecules, ion transporters, metabolic enzymes and transcription regulators. MicroRNAs are key modulators of gene-expression that act at the post-transcriptional level by translation repression or transcript cleavage...
June 22, 2017: Journal of Integrative Bioinformatics
https://www.readbyqxmd.com/read/28635129/micrornas-involved-in-auxin-signalling-modulate-male-sterility-under-high-temperature-stress-in-cotton-gossypium-hirsutum
#16
Yuanhao Ding, Yizan Ma, Nian Liu, Jiao Xu, Qin Hu, Yaoyao Li, Yuanlong Wu, Sai Xie, Longfu Zhu, Ling Min, Xianlong Zhang
Male sterility caused by long-term high-temperature (HT) stress occurs widely in crops. MicroRNAs (miRNAs), a class of endogenous non-coding small RNAs, play an important role in the plant response to various abiotic stresses. To dissect the working principle of miRNAs in male sterility under HT stress in cotton, a total of 112 known miRNAs, 270 novel miRNAs and 347 target genes were identified from anthers of HT-insensitive (84021) and HT-sensitive (H05) cotton cultivars under normal-temperature and HT conditions through small RNA and degradome sequencing...
June 21, 2017: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/28633390/investigating-microrna-mediated-regulation-of-the-nascent-nuclear-transcripts-in-plants-a-bioinformatics-workflow
#17
Dongliang Yu, Zhonghai Tang, Chaogang Shao, Xiaoxia Ma, Taihe Xiang, Zhihong Fan, Huizhong Wang, Yijun Meng
Most of the microRNAs (miRNAs) play their regulatory roles through posttranscriptional target decay or translational inhibition. For both plants and animals, these regulatory events were previously considered to take place in cytoplasm, as mature miRNAs were observed to be exported to the cytoplasm for Argonaute (AGO) loading and subsequent target binding. Recently, this notion was challenged by increasing pieces of evidence in the animal cells that uncovered the nuclear importation and action of the AGO-associated miRNAs...
June 14, 2017: Briefings in Bioinformatics
https://www.readbyqxmd.com/read/28627779/new-horizon-for-breast-cancer-biomarker-discoveries-what-might-the-liquid-biopsy-of-nipple-aspirate-fluid-hold
#18
Ferdinando Mannello
The existence of cellular, molecular and biochemical heterogeneity of human breast cancers reveals the intricacy of biomarkers complexity, stimulating studies on new approaches (like "liquid biopsies") for the improvements in precision medicine. Breast cancer is recognized as a leading cause of morbidity and mortality worldwide with tumors significantly diverse and containing many types of cells showing different genetic and epigenetic profiles. In this field, the technology of liquid biopsy (applied to a fluid produced by breast gland, named nipple aspirate fluids, NAF) highlights the power of combining basic and clinical research...
September 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28608337/identification-of-argonaute-small-rna-cleavage-sites-by-degradome-sequencing
#19
Ivett Baksa, György Szittya
The method described here enables the high-throughput identification of cleaved mRNA targets of ARGONAUTE/small RNA complexes. The protocol is based on a modified 5'-rapid amplification of cDNA ends combined with deep sequencing of 3' cleavage products of mRNAs. Poly(A) RNA is purified from the tissue of interest which is followed by a 5'-RNA adapter ligation. The ligated products are then reverse transcribed, amplified, and digested with MmeI. After gel separation, a 3' double-stranded DNA adapter is ligated to the fragments, which are then amplified and index labeled for the high-throughput sequencing of pooled degradome libraries...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28603532/identification-of-salt-tolerance-related-micrornas-and-their-targets-in-maize-zea-mays-l-using-high-throughput-sequencing-and-degradome-analysis
#20
Rong Fu, Mi Zhang, Yinchuan Zhao, Xuechuan He, Chenyun Ding, Shuangkuai Wang, Yan Feng, Xianliang Song, Ping Li, Baohua Wang
To identify the known and novel microRNAs (miRNAs) and their targets that are involved in the response and adaptation of maize (Zea mays) to salt stress, miRNAs and their targets were identified by a combined analysis of the deep sequencing of small RNAs (sRNA) and degradome libraries. The identities were confirmed by a quantitative expression analysis with over 100 million raw reads of sRNA and degradome sequences. A total of 1040 previously known miRNAs were identified from four maize libraries, with 762 and 726 miRNAs derived from leaves and roots, respectively, and 448 miRNAs that were common between the leaves and roots...
2017: Frontiers in Plant Science
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