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https://www.readbyqxmd.com/read/27910763/il10-a-tale-of-an-evolutionarily-conserved-cytokine-across-vertebrates
#1
M Carla Piazzon, George Lutfalla, Maria Forlenza
IL10 was discovered in 1989, and since then it has been the subject of intense investigation, which has revealed its potent anti-inflammatory and regulatory activities in most immune processes during infection and disease. In 2003, the first non-mammalian IL10 sequence was identified in teleost fish, followed in 2004 by the chicken IL10 sequence. In this review, we summarize the work performed in non-mammalian vertebrates in which the IL10, IL10 receptors (IL10Rs), and their signaling components have been identified...
2016: Critical Reviews in Immunology
https://www.readbyqxmd.com/read/27910110/runs-of-homozygosity-current-knowledge-and-applications-in-livestock
#2
REVIEW
E Peripolli, D P Munari, M V G B Silva, A L F Lima, R Irgang, F Baldi
This review presents a broader approach to the implementation and study of runs of homozygosity (ROH) in animal populations, focusing on identifying and characterizing ROH and their practical implications. ROH are continuous homozygous segments that are common in individuals and populations. The ability of these homozygous segments to give insight into a population's genetic events makes them a useful tool that can provide information about the demographic evolution of a population over time. Furthermore, ROH provide useful information about the genetic relatedness among individuals, helping to minimize the inbreeding rate and also helping to expose deleterious variants in the genome...
December 1, 2016: Animal Genetics
https://www.readbyqxmd.com/read/27909533/patient-specific-induced-pluripotent-stem-cell-derived-cardiomyocytes-for-drug-development-and-screening-in-catecholaminergic-polymorphic-ventricular-tachycardia
#3
REVIEW
Ben Jehuda Ronen, Barad Lili
Catecholaminergic polymorphic ventricular tachycardia (CPVT), an inherited arrhythmia often leading to sudden cardiac death in children and young adults, is characterized by polymorphic/bidirectional ventricular tachycardia induced by adrenergic stimulation associated with emotionally stress or physical exercise. There are two forms of CPVT: 1. CPVT1 is caused by mutations in the RYR2 gene, encoding for ryanodine receptor type 2. CPVT1 is the most common form of CPVT in the population, and is inherited by a dominant mechanism...
August 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27909443/mighty-dwarfs-arabidopsis-autoimmune-mutants-and-their-usages-in-genetic-dissection-of-plant-immunity
#4
REVIEW
Rowan van Wersch, Xin Li, Yuelin Zhang
Plants lack the adaptive immune system possessed by mammals. Instead they rely on innate immunity to defend against pathogen attacks. Genomes of higher plants encode a large number of plant immune receptors belonging to different protein families, which are involved in the detection of pathogens and activation of downstream defense pathways. Plant immunity is tightly controlled to avoid activation of defense responses in the absence of pathogens, as failure to do so can lead to autoimmunity that compromises plant growth and development...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27908936/genome-editing-technologies-principles-and-applications
#5
REVIEW
Thomas Gaj, Shannon J Sirk, Sai-Lan Shui, Jia Liu
Targeted nucleases have provided researchers with the ability to manipulate virtually any genomic sequence, enabling the facile creation of isogenic cell lines and animal models for the study of human disease, and promoting exciting new possibilities for human gene therapy. Here we review three foundational technologies-clustered regularly interspaced short palindromic repeats (CRISPR)-CRISPR-associated protein 9 (Cas9), transcription activator-like effector nucleases (TALENs), and zinc-finger nucleases (ZFNs)...
December 1, 2016: Cold Spring Harbor Perspectives in Biology
https://www.readbyqxmd.com/read/27908669/cellular-responses-to-replication-stress-implications-in-cancer-biology-and-therapy
#6
REVIEW
Hui-Ju Hsieh, Guang Peng
DNA replication is essential for cell proliferation. Any obstacles during replication cause replication stress, which may lead to genomic instability and cancer formation. In this review, we summarize the physiological DNA replication process and the normal cellular response to replication stress. We also outline specialized therapies in clinical trials based on current knowledge and future perspectives in the field.
November 22, 2016: DNA Repair
https://www.readbyqxmd.com/read/27908606/parp1-orchestrates-epigenetic-events-setting-up-chromatin-domains
#7
REVIEW
Fabio Ciccarone, Michele Zampieri, Paola Caiafa
Epigenetic events include reversible modifications of DNA and histone tails driving higher-order chromatin organization and thus transcription. The epigenetic regulation is a highly integrated process underlying the plasticity of the genomic information both in the context of complex physiological and pathological processes. The global regulatory aspects of epigenetic events are largely unknown. PARylation and PARP1 are recently emerging as multi-level regulatory effectors that modulate the topology of chromatin by orchestrating very different processes...
November 28, 2016: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/27908231/the-mitochondrial-genome-the-nucleoid
#8
REVIEW
A A Kolesnikov
Mitochondrial DNA (mtDNA) in cells is organized in nucleoids containing DNA and various proteins. This review discusses questions of organization and structural dynamics of nucleoids as well as their protein components. The structures of mt-nucleoid from different organisms are compared. The currently accepted model of nucleoid organization is described and questions needing answers for better understanding of the fine mechanisms of the mitochondrial genetic apparatus functioning are discussed.
October 2016: Biochemistry. Biokhimii︠a︡
https://www.readbyqxmd.com/read/27908230/dna-import-into-mitochondria
#9
REVIEW
Yu M Konstantinov, A Dietrich, F Weber-Lotfi, N Ibrahim, E S Klimenko, V I Tarasenko, T A Bolotova, M V Koulintchenko
In recent decades, it has become evident that the condition for normal functioning of mitochondria in higher eukaryotes is the presence of membrane transport systems of macromolecules (proteins and nucleic acids). Natural competence of the mitochondria in plants, animals, and yeasts to actively uptake DNA may be directly related to horizontal gene transfer into these organelles occurring at much higher rate compared to the nuclear and chloroplast genomes. However, in contrast with import of proteins and tRNAs, little is known about the biological role and molecular mechanism underlying import of DNA into eukaryotic mitochondria...
October 2016: Biochemistry. Biokhimii︠a︡
https://www.readbyqxmd.com/read/27906881/stem-cells-and-clinical-practice-new-advances-and-challenges-at-the-time-of-emerging-problems-with-induced-pluripotent-stem-cell-therapies
#10
Mariusz Z Ratajczak, Kamila Bujko, Wojciech Wojakowski
Humans, like other species that reproduce sexually, originate from a fertilized oocyte (zygote), which is a totipotent stem cell giving rise to an adult organism. During the process of embryogenesis, stem cells at different levels of the developmental hierarchy establish all 3 germ layers and give rise to tissue‑committed stem cells, which are responsible for rejuvenation of a given tissue or organ. The robustness of the stem cell compartment is one of the major factors that directly impact life quality as well as lifespan...
November 10, 2016: Polskie Archiwum Medycyny Wewnętrznej
https://www.readbyqxmd.com/read/27906774/lessons-from-characterization-and-treatment-of-the-autoinflammatory-syndromes
#11
Ivona Aksentijevich, Michael F McDermott
PURPOSE OF REVIEW: The list of genes associated with systemic inflammatory diseases has been steadily growing because of the explosion of new genomic technologies. Significant advances in the past year have deepened our understanding of the molecular mechanisms linked to inflammation and elucidated insights on the efficacy of specific therapies for these and related conditions. We review the molecular pathogenesis of four recently characterized monogenic autoinflammatory diseases: haploinsufficiency of A20, otulipenia, a severe form of pyrin-associated disease, and a monogenic form of systemic juvenile idiopathic arthritis...
November 30, 2016: Current Opinion in Rheumatology
https://www.readbyqxmd.com/read/27906711/polycystic-ovary-syndrome-in-adolescent-girls
#12
Natalie Hecht Baldauff, Selma Feldman Witchel
PURPOSE OF REVIEW: Polycystic ovary syndrome (PCOS) is a common heterogeneous disorder that appears to have its origins during the peripubertal years. The diagnostic conundrum is that the typical clinical features, irregular menses and acne, occur during normal female puberty. Understanding the physiologic origins and molecular basis of the dysregulated hypothalamic-pituitary-gonadal axis in PCOS is fundamental to interrupting the distinctive vicious cycle of hyperandrogenism and chronic anovulation...
November 30, 2016: Current Opinion in Endocrinology, Diabetes, and Obesity
https://www.readbyqxmd.com/read/27906631/mitochondrial-purine-and-pyrimidine-metabolism-and-beyond
#13
Liya Wang
Carefully balanced deoxynucleoside triphosphate (dNTP) pools are essential for both nuclear and mitochondrial genome replication and repair. Two synthetic pathways operate in cells to produce dNTPs, e.g., the de novo and the salvage pathways. The key regulatory enzymes for de novo synthesis are ribonucleotide reductase (RNR) and thymidylate synthase (TS), and this process is considered to be cytosolic. The salvage pathway operates both in the cytosol (TK1 and dCK) and the mitochondria (TK2 and dGK). Mitochondrial dNTP pools are separated from the cytosolic ones owing to the double membrane structure of the mitochondria, and are formed by the salvage enzymes TK2 and dGK together with NMPKs and NDPK in postmitotic tissues, while in proliferating cells the mitochondrial dNTPs are mainly imported from the cytosol produced by the cytosolic pathways...
December 2016: Nucleosides, Nucleotides & Nucleic Acids
https://www.readbyqxmd.com/read/27905924/current-knowledge-and-perspectives-of-paenibacillus-a-review
#14
REVIEW
Elliot Nicholas Grady, Jacqueline MacDonald, Linda Liu, Alex Richman, Ze-Chun Yuan
Isolated from a wide range of sources, the genus Paenibacillus comprises bacterial species relevant to humans, animals, plants, and the environment. Many Paenibacillus species can promote crop growth directly via biological nitrogen fixation, phosphate solubilization, production of the phytohormone indole-3-acetic acid (IAA), and release of siderophores that enable iron acquisition. They can also offer protection against insect herbivores and phytopathogens, including bacteria, fungi, nematodes, and viruses...
December 1, 2016: Microbial Cell Factories
https://www.readbyqxmd.com/read/27905217/to-crispr-and-beyond-the-evolution-of-genome-editing-in-stem-cells
#15
Kuang-Yui Chen, Paul S Knoepfler
The goal of editing the genomes of stem cells to generate model organisms and cell lines for genetic and biological studies has been pursued for decades. There is also exciting potential for future clinical impact in humans. While recent, rapid advances in targeted nuclease technologies have led to unprecedented accessibility and ease of gene editing, biology has benefited from past directed gene modification via homologous recombination, gene traps and other transgenic methodologies. Here we review the history of genome editing in stem cells (including via zinc finger nucleases, transcription activator-like effector nucleases and CRISPR-Cas9), discuss recent developments leading to the implementation of stem cell gene therapies in clinical trials and consider the prospects for future advances in this rapidly evolving field...
December 1, 2016: Regenerative Medicine
https://www.readbyqxmd.com/read/27905091/recent-advances-of-molecular-toolbox-construction-expand-pichia-pastoris-in-synthetic-biology-applications
#16
REVIEW
Zhen Kang, Hao Huang, Yunfeng Zhang, Guocheng Du, Jian Chen
Pichia pastoris: (reclassified as Komagataella phaffii), a methylotrophic yeast strain has been widely used for heterologous protein production because of its unique advantages, such as readily achievable high-density fermentation, tractable genetic modifications and typical eukaryotic post-translational modifications. More recently, P. pastoris as a metabolic pathway engineering platform has also gained much attention. In this mini-review, we addressed recent advances of molecular toolboxes, including synthetic promoters, signal peptides, and genome engineering tools that established for P...
January 2017: World Journal of Microbiology & Biotechnology
https://www.readbyqxmd.com/read/27904151/phylogenetic-and-population-based-approaches-to-mitogenome-variation-do-not-support-association-with-male-infertility
#17
Alberto Gómez-Carballa, Jacobo Pardo-Seco, Federico Martinón-Torres, Antonio Salas
Infertility has a complex multifactorial etiology and a high prevalence worldwide. Several studies have pointed to variation in the mitochondrial DNA (mtDNA) molecule as a factor responsible for the different disease phenotypes related to infertility. We analyzed 53 mitogenomes of infertile males from Galicia (northwest Spain), and these haplotypes were meta-analyzed phylogenetically with 43 previously reported from Portugal. Taking advantage of the large amount of information available, we additionally carried out association tests between patient mtDNA single-nucleotide polymorphisms (mtSNPs) and haplogroups against Iberian matched controls retrieved from The 1000 Genomes Project and the literature...
December 1, 2016: Journal of Human Genetics
https://www.readbyqxmd.com/read/27903655/random-versus-cell-cycle-regulated-replication-initiation-in-bacteria-insights-from-studying-vibrio-cholerae-chromosome-2
#18
REVIEW
Revathy Ramachandran, Jyoti Jha, Johan Paulsson, Dhruba Chattoraj
Bacterial chromosomes initiate replication at a fixed time in the cell cycle, whereas there is generally no particular time for plasmid replication initiation or chromosomal replication initiation from integrated plasmids. In bacteria with divided genomes, the replication system of one of the chromosomes typically resembles that of bacteria with undivided genomes, whereas the remaining chromosomes have plasmid-like replication systems. For example, in Vibrio cholerae, a bacterium with two chromosomes (chromosome 1 [Chr1] and Chr2), the Chr1 system resembles that of the Escherichia coli chromosome, and the Chr2 system resembles that of iteron-based plasmids...
March 2017: Microbiology and Molecular Biology Reviews: MMBR
https://www.readbyqxmd.com/read/27902807/improving-genetic-gain-with-genomic-selection-in-autotetraploid-potato
#19
Anthony T Slater, Noel O I Cogan, John W Forster, Benjamin J Hayes, Hans D Daetwyler
Potato ( L.) breeders consider a large number of traits during cultivar development and progress in conventional breeding can be slow. There is accumulating evidence that some of these traits, such as yield, are affected by a large number of genes with small individual effects. Recently, significant efforts have been applied to the development of genomic resources to improve potato breeding, culminating in a draft genome sequence and the identification of a large number of single nucleotide polymorphisms (SNPs)...
November 2016: Plant Genome
https://www.readbyqxmd.com/read/27902482/il-23r-mutation-is-associated-with-ulcerative-colitis-a-systemic-review-and-meta-analysis
#20
Ling-Long Peng, Ying Wang, Feng-Ling Zhu, Wang-Dong Xu, Xue-Lei Ji, Jing Ni
OBJECTIVES: Since a genome-wide association study revealed that Interleukin-23 receptor (IL-23R) gene is a candidate gene for Ulcerative Colitis (UC), many studies have investigated the association between the IL-23R polymorphisms and UC. However, the results were controversial. The aim of the study was to determine whether the IL-23R polymorphisms confer susceptibility to UC. METHODS: A systematic literature search was carried out to identify all potentially relevant studies...
November 25, 2016: Oncotarget
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