1 to 10 of 45 Results
Sep 26, 2023
Kasthuri Venkateswaran, 2023, "Planetary Protection Knowledge Gap Closure Enabling Crewed Missions to Mars", https://doi.org/10.48577/jpl.VCFLR5, Astrobiology, JPL Open Repository
As focus for exploration of Mars transitions from current robotic explorers to development of crewed missions, it remains important to protect the integrity of scientific investigations at Mars, as well as protecting the Earth’s biosphere from harmful effects. This is the discipl... |
Aug 15, 2023
Kasthuri Venkateswaran, 2023, "Draft Genome sequencing of Naganishia species isolated from the polar environments", https://doi.org/10.48577/jpl.U54QY9, Microbial Research Announcement, JPL Open Repository
The draft genomes of five Naganishia strains were sequenced using MinION and annotated using Funannotate pipeline. Phylogenetic and pangenome analyses were performed to provide their genetic relationships, diversity, and potential functional capabilities. This approach will aid i... |
Apr 14, 2023
Nitin Singh, 2023, "Characterization of Metagenome Assembled Genomes from the International Space Station", https://doi.org/10.48577/jpl.IH0AIA, Microbiome, JPL Open Repository
Metagenome-assembled genomes (MAGs) of International Space Station (ISS) samples were subjected to various genomic analyses, including phylogenetic affiliation, predicted functional pathways, antimicrobial resistance, and virulence characteristics. In total, 46 MAGs were assemble... |
Dec 15, 2022
Nitin Singh, 2022, "Machine learning algorithm to characterize antimicrobial resistance associated with the International Space Station surface microbiome", https://doi.org/10.48577/jpl.GJ5FL2, microbiome, JPL Open Repository
Background: Antimicrobial Resistance (AMR) has a detrimental impact on humanhealth on Earth and it is equally concerning in other environments such as space dueto microgravity, radiation and confinement, especially for long-distance space travel.The International Space Station (I... |
Dec 14, 2022
Nitin Singh, 2022, "Multidrug-resistant Acinetobacter pittii is adapting to and exhibited succession on aboard the International Space Station", https://doi.org/10.48577/jpl.XC5M6S, Microbiome, JPL Open Repository
Monitoring adaptation of microorganisms to the extreme environment of the International Space Station (ISS) is crucial to understanding microbial evolution and determining how to protect astronauts from potential infections. Acinetobacter pittii is an opportunistic nosocomial pat... |
Dec 22, 2021
Kasthuri Venkateswaran, 2021, "Genomic characterization of plant-growth promoting features of Sphingomonas strains isolated from the International Space Station, with an emphasis on phytohormone production", https://doi.org/10.48577/jpl.YNCNUC, msphere, JPL Open Repository
AbstractIn an ongoing microbial tracking investigation of the International Space Station (ISS), several Sphingomonas strains were isolated. Phylogenetic analysis, based on the 16S rRNA gene sequence, identified the ISS strains as S. sanguinis (n=2) and one strain isolated from t... |
Dec 20, 2021
Parker, Ceth W, 2021, "Genomic characterization of Parengyodontium torokii sp. nov., a biofilm-forming fungus isolated from Mars 2020 assembly facility", https://doi.org/10.48577/jpl.POWEDU, Journal of Fungi, JPL Open Repository
A fungal strain (FJII-L10-SW-P1) was isolated from the Mars 2020 spacecraft assembly facility and exhibited biofilm formation on spacecraft-qualified Teflon surfaces. The reconstruction of a five loci gene tree (ITS, LSU, SSU, RPB1 &2, and TEF1) using multi-locus sequence typing... |
Oct 12, 2021
Nitin Singh, 2021, "Comparative genomics of novel Agrobacterium tomkonis sp. nov. isolated from the International Space Station", https://doi.org/10.48577/jpl.U3TVGU, mSystems, JPL Open Repository
Strains of Agrobacterium genomospecies 3 (i.e., genomovar G3) have been previously isolated from diverse environments, including in association with plant roots, with algae, as part of a lignocellulose degrading community, from a hospital environment, as a human opportunistic pat... |
Sep 9, 2021
Urbaniak, Camilla, 2021, "Simulated microgravity promotes horizontal gene transfer of antimicrobial resistance genes between bacterial genera in the absence of antibiotic selective pressure", https://doi.org/10.48577/jpl.6JJ1KK, Frontiers in Microbiology, JPL Open Repository
Bacteria are able to adapt and survive in harsh and changing environments through many mechanisms, with one of them being horizontal gene transfer (HGT). This process is one of the leading culprits in the spread of antimicrobial resistance within bacterial communities and could p... |
Aug 31, 2021
Kasthuri Venkateswaran, 2021, "Performance of Multiple Metagenomics Pipelines in Understanding Microbial Diversity of a Low-biomass Spacecraft Assembly Facility", https://doi.org/10.48577/jpl.TQSJIK, Frontiers in Microbiology, JPL Open Repository
NASA planetary protection (PP) requires an assessment of the biological contamination of the potential microbial burden on spacecraft destined to explore planetary bodies that may harbor signs of life, like Mars and Europa. To help meet these goals, the performance of multiple me... |
