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Articles 1 - 7 of 7
Full-Text Articles in Genetics and Genomics
Comparative Genomics Reveals Thermal Adaptation And A High Metabolic Diversity In “Candidatus Bathyarchaeia”, Yan-Ling Qi, Paul N. Evans, Yu-Xian Li, Yang-Zhi Rao, Yan-Ni Qu, Sha Tan, Jian-Yu Jiao, Ya-Ting Chen, Brian P. Hedlund, Wen-Sheng Shu, Zheng-Shuang Hua, Wen Jun Li
Comparative Genomics Reveals Thermal Adaptation And A High Metabolic Diversity In “Candidatus Bathyarchaeia”, Yan-Ling Qi, Paul N. Evans, Yu-Xian Li, Yang-Zhi Rao, Yan-Ni Qu, Sha Tan, Jian-Yu Jiao, Ya-Ting Chen, Brian P. Hedlund, Wen-Sheng Shu, Zheng-Shuang Hua, Wen Jun Li
Life Sciences Faculty Research
"Candidatus Bathyarchaeia"is a phylogenetically diverse and widely distributed lineage often in high abundance in anoxic submarine sediments; however, their evolution and ecological roles in terrestrial geothermal habitats are poorly understood. In the present study, 35 Ca. Bathyarchaeia metagenome-assembled genomes (MAGs) were recovered from hot spring sediments in Tibet and Yunnan, China. Phylogenetic analysis revealed all MAGs of Ca. Bathyarchaeia can be classified into 7 orders and 15 families. Among them, 4 families have been first discovered in the present study, significantly expanding the known diversity of Ca. Bathyarchaeia. Comparative genomics demonstrated Ca. Bathyarchaeia MAGs from thermal habitats to encode a …
Genomics, Exometabolomics, And Metabolic Probing Reveal Conserved Proteolytic Metabolism Of Thermoflexus Hugenholtzii And Three Candidate Species From China And Japan, Scott C. Thomas, Devon Payne, Kevin O. Tamadonfar, Cale O. Seymour, Jian Yu Jiao, Senthil K. Murugapiran, Dengxun Lai, Rebecca Lau, Benjamin P. Bowen, Leslie P. Silva, Katherine B. Louie, Marcel Huntemann, Alicia Clum, Alex Spunde, Manoj Pillay, Krishnaveni Palaniappan, Neha Varghese, Natalia Mikhailova, I. Min Chen, Dimitrios Stamatis, T. B.K. Reddy, Ronan O’Malley, Chris Daum, Nicole Shapiro, Natalia Ivanova, Nikos C. Kyrpides, Tanja Woyke, Emiley Eloe-Fadrosh, Trinity L. Hamilton, Paul Dijkstra, Brian P. Hedlund
Genomics, Exometabolomics, And Metabolic Probing Reveal Conserved Proteolytic Metabolism Of Thermoflexus Hugenholtzii And Three Candidate Species From China And Japan, Scott C. Thomas, Devon Payne, Kevin O. Tamadonfar, Cale O. Seymour, Jian Yu Jiao, Senthil K. Murugapiran, Dengxun Lai, Rebecca Lau, Benjamin P. Bowen, Leslie P. Silva, Katherine B. Louie, Marcel Huntemann, Alicia Clum, Alex Spunde, Manoj Pillay, Krishnaveni Palaniappan, Neha Varghese, Natalia Mikhailova, I. Min Chen, Dimitrios Stamatis, T. B.K. Reddy, Ronan O’Malley, Chris Daum, Nicole Shapiro, Natalia Ivanova, Nikos C. Kyrpides, Tanja Woyke, Emiley Eloe-Fadrosh, Trinity L. Hamilton, Paul Dijkstra, Brian P. Hedlund
Life Sciences Faculty Research
Thermoflexus hugenholtzii JAD2 , the only cultured representative of the Chloroflexota order Thermoflexales, is abundant in Great Boiling Spring (GBS), NV, United States, and close relatives inhabit geothermal systems globally. However, no defined medium exists for T. hugenholtzii JAD2 and no single carbon source is known to support its growth, leaving key knowledge gaps in its metabolism and nutritional needs. Here, we report comparative genomic analysis of the draft genome of T. hugenholtzii JAD2 and eight closely related metagenome-assembled genomes (MAGs) from geothermal sites in China, Japan, and the United States, representing “Candidatus Thermoflexus japonica,” “Candidatus Thermoflexus tengchongensis,” and “Candidatus …
Complete Genome Sequences Of Mycobacterium Smegmatis Phages Nihilnomen And Carlyle, Isolated In Las Vegas, Nevada, Alicia Salisbury, Ryan Doss, Astha Mehta, Khadija Bhatti, Ciera Dapra, Audrey Huntsinger, Stephanie Rodriguez, Scott Yacek, Rylee Sandberg, Alexis Gildore, Jacinda Knudtson, Frances Tibayan, Tiannah Ohta, Neha Zafar, Guadalupe Mercado, Alan Le, Natalie Mekhaeel, Justin Willer, Edith Rodrich-Zuniga, Merissa Mcfarland, Kurt Regner, Christy Strong, Phillippos K. Tsourkas
Complete Genome Sequences Of Mycobacterium Smegmatis Phages Nihilnomen And Carlyle, Isolated In Las Vegas, Nevada, Alicia Salisbury, Ryan Doss, Astha Mehta, Khadija Bhatti, Ciera Dapra, Audrey Huntsinger, Stephanie Rodriguez, Scott Yacek, Rylee Sandberg, Alexis Gildore, Jacinda Knudtson, Frances Tibayan, Tiannah Ohta, Neha Zafar, Guadalupe Mercado, Alan Le, Natalie Mekhaeel, Justin Willer, Edith Rodrich-Zuniga, Merissa Mcfarland, Kurt Regner, Christy Strong, Phillippos K. Tsourkas
Life Sciences Faculty Research
We present the complete genomes of the Mycobacterium smegmatis phages Carlyle and NihilNomen, isolated from soil in Las Vegas, Nevada. The phages were isolated and annotated by undergraduate students enrolled in the Phage Discovery course offered by the School of Life Sciences at the University of Nevada Las Vegas.
A Method For Improving The Accuracy And Efficiency Of Bacteriophage Genome Annotation, Alicia Salisbury, Philippos K. Tsourkas
A Method For Improving The Accuracy And Efficiency Of Bacteriophage Genome Annotation, Alicia Salisbury, Philippos K. Tsourkas
Life Sciences Faculty Research
Bacteriophages are the most numerous entities on Earth. The number of sequenced phage genomes is approximately 8000 and increasing rapidly. Sequencing of a genome is followed by annotation, where genes, start codons, and functions are putatively identified. The mainstays of phage genome annotation are auto-annotation programs such as Glimmer and GeneMark. Due to the relatively small size of phage genomes, many groups choose to manually curate auto-annotation results to increase accuracy. An additional benefit of manual curation of auto-annotated phage genomes is that the process is amenable to be performed by students, and has been shown to improve student recruitment …
Position-Specific Metabolic Probing And Metagenomics Of Microbial Communities Reveal Conserved Central Carbon Metabolic Network Activities At High Temperatures, Scott C. Thomas, Kevin O. Tamadonfar, Cale O. Seymour, Dengxun Lai, Jeremy A. Dodsworth, Senthil K. Murugapiran, Emiley A. Eloe-Fadrosh, Paul Dijkstra, Brian P. Hedlund
Position-Specific Metabolic Probing And Metagenomics Of Microbial Communities Reveal Conserved Central Carbon Metabolic Network Activities At High Temperatures, Scott C. Thomas, Kevin O. Tamadonfar, Cale O. Seymour, Dengxun Lai, Jeremy A. Dodsworth, Senthil K. Murugapiran, Emiley A. Eloe-Fadrosh, Paul Dijkstra, Brian P. Hedlund
Life Sciences Faculty Research
Temperature is a primary driver of microbial community composition and taxonomic diversity; however, it is unclear to what extent temperature affects characteristics of central carbon metabolic pathways (CCMPs) at the community level. In this study, 16S rRNA gene amplicon and metagenome sequencing were combined with 13C-labeled metabolite probing of the CCMPs to assess community carbon metabolism along a temperature gradient (60–95°C) in Great Boiling Spring, NV. 16S rRNA gene amplicon diversity was inversely proportional to temperature, and Archaea were dominant at higher temperatures. KO richness and diversity were also inversely proportional to temperature, yet CCMP genes were similarly represented across …
The Anti-Sigma Factor Muca Of Pseudomonas Aeruginosa: Dramatic Differences Of A Muca22 Vs. A Δmuca Mutant In Anaerobic Acidified Nitrite Sensitivity Of Planktonic And Biofilm Bacteria In Vitro And During Chronic Murine Lung Infection, Warunya Panmanee, Shengchang Su, Michael J. Schurr, Gee W. Lau, Xiaoting Zhu, Zhaowei Ren, Cameron T. Mcdaniel, Long J. Lu, Dennis E. Ohman, Daniel A. Muruve, Ralph J. Panos, Hongwei D. Yu, Thomas B. Thompson, Boo Shan Tseng, Daniel J. Hassett
The Anti-Sigma Factor Muca Of Pseudomonas Aeruginosa: Dramatic Differences Of A Muca22 Vs. A Δmuca Mutant In Anaerobic Acidified Nitrite Sensitivity Of Planktonic And Biofilm Bacteria In Vitro And During Chronic Murine Lung Infection, Warunya Panmanee, Shengchang Su, Michael J. Schurr, Gee W. Lau, Xiaoting Zhu, Zhaowei Ren, Cameron T. Mcdaniel, Long J. Lu, Dennis E. Ohman, Daniel A. Muruve, Ralph J. Panos, Hongwei D. Yu, Thomas B. Thompson, Boo Shan Tseng, Daniel J. Hassett
Life Sciences Faculty Research
Mucoid mucA22 Pseudomonas aeruginosa (PA) is an opportunistic lung pathogen of cystic fibrosis (CF) and chronic obstructive pulmonary disease (COPD) patients that is highly sensitive to acidified nitrite (A-NO2-). In this study, we first screened PA mutant strains for sensitivity or resistance to 20 mM A-NO2- under anaerobic conditions that represent the chronic stages of the aforementioned diseases. Mutants found to be sensitive to A-NO2- included PA0964 (pmpR, PQS biosynthesis), PA4455 (probable ABC transporter permease), katA (major catalase, KatA) and rhlR (quorum sensing regulator). In contrast, mutants lacking PA0450 (a putative phosphate transporter) and PA1505 (moaA2) were A-NO2- resistant. However, …
Genomic Analysis Of 48 Paenibacillus Larvae Bacteriophages, Casey Stamereilers, Christopher P. Fajardo, Jamison K. Walker, Katterinne N. Mendez, Eduardo Castro-Nallar, Julianne H. Grose, Sandra Hope, Philippos K. Tsourkas
Genomic Analysis Of 48 Paenibacillus Larvae Bacteriophages, Casey Stamereilers, Christopher P. Fajardo, Jamison K. Walker, Katterinne N. Mendez, Eduardo Castro-Nallar, Julianne H. Grose, Sandra Hope, Philippos K. Tsourkas
Life Sciences Faculty Research
The antibiotic-resistant bacterium Paenibacillus larvae is the causative agent of American foulbrood (AFB), currently the most destructive bacterial disease in honeybees. Phages that infect P. larvae were isolated as early as the 1950s, but it is only in recent years that P. larvae phage genomes have been sequenced and annotated. In this study we analyze the genomes of all 48 currently sequenced P. larvae phage genomes and classify them into four clusters and a singleton. The majority of P. larvaephage genomes are in the 38–45 kbp range and use the cohesive ends (cos) DNA-packaging strategy, while a minority have genomes …