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JOURNAL ARTICLE
Haixia Chen, Sunil Kumar Sahu, Shujie Wang, Jia Liu, Jinlong Yang, Le Cheng, Tsan-Yu Chiu, Huan Liu
Alstonia scholaris of the Apocynaceae family is a medicinal plant with a rich source of bioactive monoterpenoid indole alkaloids (MIAs), which possess anti-cancer activity like vinca alkaloids. To gain genomic insights into MIA biosynthesis, we assembled a high-quality chromosome-level genome for A. scholaris using nanopore and Hi-C data. The 444.95 Mb genome contained 35,488 protein-coding genes. A total of 20 chromosomes were assembled with a scaffold N50 of 21.75 Mb. The genome contained a cluster of strictosidine synthases and tryptophan decarboxylases with synteny to other species and a saccharide-terpene cluster involved in the monoterpenoid biosynthesis pathway of the MIA upstream pathway...
May 17, 2024: IScience
#22
JOURNAL ARTICLE
Sonsoles Alonso, Gustavo Cebrián, Keshav Gautam, Jessica Iglesias-Moya, Cecilia Martínez, Manuel Jamilena
A Cucurbita pepo mutant with multiple defects in growth and development has been identified and characterized. The mutant dwfcp displayed a dwarf phenotype with dark green and shrinking leaves, shortened internodes and petioles, shorter but thicker roots and greater root biomass, and reduced fertility. The causal mutation of the phenotype was found to disrupt gene Cp4.1LG17g04540 , the squash orthologue of the Arabidopsis brassinosteroid (BR) biosynthesis gene DWF5 , encoding for 7-dehydrocholesterol reductase...
April 2024: Horticulture Research
#23
EDITORIAL
Cesar Seigi Fuziwara, Juan Pablo Nicola, Murilo Vieira Geraldo
No abstract text is available yet for this article.
2024: Frontiers in Endocrinology
#24
Nicholas R Powell, Renee C Geck, Dongbing Lai, Tyler Shugg, Todd C Skaar, Maitreya Dunham
Glucose-6-phosphate dehydrogenase (G6PD) protects red blood cells against oxidative damage through regeneration of NADPH. Individuals with G6PD polymorphisms (variants) that produce an impaired G6PD enzyme are usually asymptomatic, but at risk of hemolytic anemia from oxidative stressors, including certain drugs and foods. Prevention of G6PD deficiency-related hemolytic anemia is achievable through G6PD genetic testing or whole-genome sequencing (WGS) to identify affected individuals who should avoid hemolytic triggers...
April 14, 2024: medRxiv
#25
Moez Dawood, Shawn Fayer, Sriram Pendyala, Mason Post, Divya Kalra, Karynne Patterson, Eric Venner, Lara A Muffley, Douglas M Fowler, Alan F Rubin, Jennifer E Posey, Sharon E Plon, James R Lupski, Richard A Gibbs, Lea M Starita, Carla Daniela Robles-Espinoza, Willow Coyote-Maestas, Irene Gallego Romero
BACKGROUND: Multiplexed Assays of Variant Effects (MAVEs) can test all possible single variants in a gene of interest. The resulting saturation-style data may help resolve variant classification disparities between populations, especially for variants of uncertain significance (VUS). METHODS: We analyzed clinical significance classifications in 213,663 individuals of European-like genetic ancestry versus 206,975 individuals of non-European-like genetic ancestry from All of Us and the Genome Aggregation Database...
April 12, 2024: medRxiv
#26
Yuyang Chen, Ruebena Dawes, Hyung Chul Kim, Sarah L Stenton, Susan Walker, Alicia Ljungdahl, Jenny Lord, Vijay S Ganesh, Jialan Ma, Alexandra C Martin-Geary, Gabrielle Lemire, Elston N D'Souza, Shan Dong, Jamie M Ellingford, David R Adams, Kirsten Allan, Madhura Bakshi, Erin E Baldwin, Seth I Berger, Jonathan A Bernstein, Natasha J Brown, Lindsay C Burrage, Kimberly Chapman, Alison G Compton, Chloe A Cunningham, Precilla D'Souza, Emmanuèle C Délot, Kerith-Rae Dias, Ellen R Elias, Carey-Anne Evans, Lisa Ewans, Kimberly Ezell, Jamie L Fraser, Lyndon Gallacher, Casie A Genetti, Christina L Grant, Tobias Haack, Alma Kuechler, Seema R Lalani, Elsa Leitão, Anna Le Fevre, Richard J Leventer, Jan E Liebelt, Paul J Lockhart, Alan S Ma, Ellen F Macnamara, Taylor M Maurer, Hector R Mendez, Stephen B Montgomery, Marie-Cécile Nassogne, Serena Neumann, Melanie O'Leary, Elizabeth E Palmer, John Phillips, Georgia Pitsava, Ryan Pysar, Heidi L Rehm, Chloe M Reuter, Nicole Revencu, Angelika Riess, Rocio Rius, Lance Rodan, Tony Roscioli, Jill A Rosenfeld, Rani Sachdev, Cas Simons, Sanjay M Sisodiya, Penny Snell, Laura St Clair, Zornitza Stark, Tiong Yang Tan, Natalie B Tan, Suzanna El Temple, David R Thorburn, Cynthia J Tifft, Eloise Uebergang, Grace E VanNoy, Eric Vilain, David H Viskochil, Laura Wedd, Matthew T Wheeler, Susan M White, Monica Wojcik, Lynne A Wolfe, Zoe Wolfenson, Changrui Xiao, David Zocche, John L Rubenstein, Eirene Markenscoff-Papadimitriou, Sebastian M Fica, Diana Baralle, Christel Depienne, Daniel G MacArthur, Joanna Mm Howson, Stephan J Sanders, Anne O'Donnell-Luria, Nicola Whiffin
Around 60% of individuals with neurodevelopmental disorders (NDD) remain undiagnosed after comprehensive genetic testing, primarily of protein-coding genes 1 . Increasingly, large genome-sequenced cohorts are improving our ability to discover new diagnoses in the non-coding genome. Here, we identify the non-coding RNA RNU4-2 as a novel syndromic NDD gene. RNU4-2 encodes the U4 small nuclear RNA (snRNA), which is a critical component of the U4/U6.U5 tri-snRNP complex of the major spliceosome 2 . We identify an 18 bp region of RNU4-2 mapping to two structural elements in the U4/U6 snRNA duplex (the T-loop and Stem III) that is severely depleted of variation in the general population, but in which we identify heterozygous variants in 119 individuals with NDD...
April 9, 2024: medRxiv
#27
JOURNAL ARTICLE
Marie Abitbol, Alice Couronné, Caroline Dufaure de Citres, Vincent Gache
During the last 60 years many inherited traits in domestic outbred cats were selected and retained giving birth to new breeds characterised by singular coat or morphological phenotypes. Among them, minimal white spotting associated with blue eyes was selected by feline breeders to create the Altai, Topaz, and Celestial breeds. Various established breeds also introduced this trait in their lineages. The trait, that was confirmed as autosomal dominant by breeding data, was first described in domestic cats from Kazakhstan and Russia, in British shorthair and British longhair from Russia, and in Maine Coon cats from the Netherlands, suggesting different founding effects...
April 22, 2024: Animal Genetics
#28
JOURNAL ARTICLE
Ping Chun Wu, Eunike C McGowan, Yan Quan Lee, Sudip Ghosh, Jenny Hansson, Martin L Olsson
BACKGROUND: Blood typing is essential for safe transfusions and is performed serologically or genetically. Genotyping predominantly focuses on coding regions, but non-coding variants may affect gene regulation, as demonstrated in the ABO, FY and XG systems. To uncover regulatory loci, we expanded a recently developed bioinformatics pipeline for discovery of non-coding variants by including additional epigenetic datasets. METHODS: Multiple datasets including ChIP-seq with erythroid transcription factors (TFs), histone modifications (H3K27ac, H3K4me1), and chromatin accessibility (ATAC-seq) were analyzed...
April 21, 2024: Transfusion
#29
REVIEW
Qing Yao, Tailin He, Jian-You Liao, Rongdong Liao, Xiaohao Wu, Lijun Lin, Guozhi Xiao
Protein-encoding genes only constitute less than 2% of total human genomic sequences, and 98% of genetic information was previously referred to as "junk DNA". Meanwhile, non-coding RNAs (ncRNAs) consist of approximately 60% of the transcriptional output of human cells. Thousands of ncRNAs have been identified in recent decades, and their essential roles in the regulation of gene expression in diverse cellular pathways associated with fundamental cell processes, including proliferation, differentiation, apoptosis, and metabolism, have been extensively investigated...
April 22, 2024: Biological Research
#30
JOURNAL ARTICLE
Asuka Kumagai, Yasufumi Soga, Kumiko Kimura, Shinichi Hatama
Bovine herpesvirus 4 (BoHV-4) is an indigenous virus in cattle prevalent mainly in North and South American countries and European countries, but the genomic sequences and genetic characteristics of Japanese strains have not been reported. BoHV-4 is suspected, but not proven, to be associated with various diseases. In the present study, we isolated BoHV-4 from a 10-month-old Japanese Black calf with respiratory symptoms in Japan. To identify the genetic characteristics of the isolate named strain SG20, complete genome sequencing was performed using a combination of next-generation and Sanger sequencing technologies...
April 19, 2024: Journal of Veterinary Medical Science
#31
JOURNAL ARTICLE
Michael Camerino, William Chang, Ales Cvekl
BACKGROUND: Nuclear organization of interphase chromosomes involves individual chromosome territories, "open" and "closed" chromatin compartments, topologically associated domains (TADs) and chromatin loops. The DNA- and RNA-binding transcription factor CTCF together with the cohesin complex serve as major organizers of chromatin architecture. Cellular differentiation is driven by temporally and spatially coordinated gene expression that requires chromatin changes of individual loci of various complexities...
April 20, 2024: Epigenetics & Chromatin
#32
REVIEW
Kevin Struhl
Enhancers are the key regulators of other DNA-based processes by virtue of their unique ability to generate nucleosome-depleted regions in a highly regulated manner. Enhancers regulate cell-type-specific transcription of tRNA genes by RNA polymerase III (Pol III). They are also responsible for the binding of the origin replication complex (ORC) to DNA replication origins, thereby regulating origin utilization, replication timing, and replication-dependent chromosome breaks. Additionally, enhancers regulate V(D)J recombination by increasing access of the recombination-activating gene (RAG) recombinase to target sites and by generating non-coding enhancer RNAs and localized regions of trimethylated histone H3-K4 recognized by the RAG2 PHD domain...
April 19, 2024: Trends in Genetics: TIG
#33
JOURNAL ARTICLE
Jing Yang, Yuanyuan Xia, Wei Shen, Haiquan Yang, Xianzhong Chen
Metabolic engineering reconfigures cellular networks to produce value-added compounds from renewable substrates efficiently. However, identifying strains with desired phenotypes from large libraries through rational or random mutagenesis remains challenging. To overcome this bottleneck, an effective high-throughput screening (HTS) method must be developed to detect and analyze target candidates rapidly. Salidroside is an aromatic compound with broad applications in food, healthcare, medicine, and daily chemicals...
April 16, 2024: Biochemical and Biophysical Research Communications
#34
JOURNAL ARTICLE
Kanta K Ochiai, Daiki Hanawa, Harumi A Ogawa, Hiroyuki Tanaka, Kazuma Uesaka, Tomoya Edzuka, Maki Shirae-Kurabayashi, Atsushi Toyoda, Takehiko Itoh, Gohta Goshima
Green feather algae (Bryopsidales) undergo a unique life cycle in which a single cell repeatedly executes nuclear division without cytokinesis, resulting in the development of a thallus (>100 mm) with characteristic morphology called coenocyte. Bryopsis is a representative coenocytic alga that has exceptionally high regeneration ability: extruded cytoplasm aggregates rapidly in seawater, leading to the formation of protoplasts. However, the genetic basis of the unique cell biology of Bryopsis remains poorly understood...
April 20, 2024: Plant Journal
#35
JOURNAL ARTICLE
Xinrui Liu, Mingxiu Wang, Jie Qin, Yaxin Liu, Shikai Wang, Shiyu Wu, Ming Zhang, Jincheng Zhong, Jiabo Wang
BACKGROUND: The growth and development of organism were dependent on the effect of genetic, environment, and their interaction. In recent decades, lots of candidate additive genetic markers and genes had been detected by using genome-widely association study (GWAS). However, restricted to computing power and practical tool, the interactive effect of markers and genes were not revealed clearly. And utilization of these interactive markers is difficult in the breeding and prediction, such as genome selection (GS)...
April 19, 2024: BMC Genomics
#36
JOURNAL ARTICLE
Beatriz Fernández-Varas, Cristina Manguan-García, Javier Rodriguez-Centeno, Lucía Mendoza-Lupiáñez, Joaquin Calatayud, Rosario Perona, Mercedes Martín-Martínez, Marta Gutierrez-Rodriguez, Carlos Benítez-Buelga, Leandro Sastre
Telomeres are nucleoprotein structures at the end of chromosomes that maintain their integrity. Mutations in genes coding for proteins involved in telomere protection and elongation produce diseases such as dyskeratosis congenita or idiopathic pulmonary fibrosis known as telomeropathies. These diseases are characterized by premature telomere shortening, increased DNA damage and oxidative stress. Genetic diagnosis of telomeropathy patients has identified mutations in the genes TERT and TERC coding for telomerase components but the functional consequences of many of these mutations still have to be experimentally demonstrated...
April 18, 2024: Human Molecular Genetics
#37
JOURNAL ARTICLE
Jacquelyn Akepogu, Saumya Jakati, Sunita Chaurasia, Charanya Ramachandran
Xeroderma pigmentosum (XP) is a rare genetic disorder characterized by injury to the ocular surface due to exposure to ultraviolet (UV) radiation. UV-induced damage in the cells leads to the formation of cyclobutane pyrimidine dimers (CPDs) and 6-4 pyrimidine-pyrimidone photoproducts that are repaired by the NER (Nucleotide Excision Repair) pathway. Mutations in the genes coding for NER proteins, as reported in XP patients, would lead to sub-optimal damage repair resulting in clinical signs varying from photo-keratitis to cancerous lesions on the ocular surface...
April 17, 2024: Experimental Eye Research
#38
JOURNAL ARTICLE
Zhiyao Ren, Jolien Vanhooren, Charlotte Derpoorter, Barbara De Moerloose, Tim Lammens
Risk stratification using genetics and minimal residual disease (MRD) has allowed to increase the cure rates of pediatric acute myeloid leukemia (pedAML) up to 70% in contemporary protocols. Nevertheless, approximately 30% of patients still experience relapse, indicating a need to optimize stratification strategies. Recently, long non-coding RNA (lncRNA) expression has been shown to hold prognostic power in multiple cancer types. Here, we aimed at refining relapse prediction in pedAML using lncRNA expression...
April 19, 2024: Blood Advances
#39
JOURNAL ARTICLE
Dimyana Neufeldt, Arne Schmidt, Elisa Mohr, Dongchao Lu, Shambhabi Chatterjee, Maximilian Fuchs, Ke Xiao, Wen Pan, Sarah Cushman, Christopher Jahn, Malte Juchem, Hannah Jill Hunkler, Giuseppe Cipriano, Bjarne Jürgens, Kevin Schmidt, Sonja Groß, Mira Jung, Jeannine Hoepfner, Natalie Weber, Roger Foo, Andreas Pich, Robert Zweigerdt, Theresia Kraft, Thomas Thum, Christian Bär
Hypertrophic cardiomyopathy (HCM) constitutes the most common genetic cardiac disorder. However, current pharmacotherapeutics are mainly symptomatic and only partially address underlying molecular mechanisms. Circular RNAs (circRNAs) are a recently discovered class of non-coding RNAs and emerged as specific and powerful regulators of cellular functions. By performing global circRNA-specific next generation sequencing in cardiac tissue of patients with hypertrophic cardiomyopathy compared to healthy donors, we identified circZFPM2 (hsa_circ_0003380)...
April 19, 2024: Basic Research in Cardiology
#40
JOURNAL ARTICLE
Simardeep Kaur, Karishma Seem, Naveen Duhan, Suresh Kumar, Rakesh Kaundal, Trilochan Mohapatra
Differential expression of 128 known and 111 novel miRNAs in the panicle of Nagina 22 under terminal drought stress targeting transcription factors, stress-associated genes, etc., enhances drought tolerance and helps sustain agronomic performance under terminal drought stress. Drought tolerance is a complex multigenic trait, wherein the genes are fine-tuned by coding and non-coding components in mitigating deleterious effects. MicroRNA (miRNA) controls gene expression at post-transcriptional level either by cleaving mRNA (transcript) or by suppressing its translation...
April 19, 2024: Planta
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