1 to 10 of 10 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... |
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... |
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... |
Aug 17, 2021
Kasthuri Venkateswaran, 2021, "Draft Genome Sequences of Heat-Shock Tolerant Microbes Isolated from a Spacecraft Assembly Facility", https://doi.org/10.48577/jpl.MVLTYD, Microbiological Resource Announcements, JPL Open Repository
Heat-shock tolerant microorganisms belonging to Bacillales and Micrococcales were isolated from the Spacecraft Assembly Facility at the Jet Propulsion Laboratory, and 63 draft genome sequences were assembled and identified. Further analyses of these genomes can provide insight in... |
Jun 16, 2021
Kasthuri Venkateswaran, 2021, "Characterization of Spacesuit Associated Microbial Communities and their Implications for Astrobiology Missions", https://doi.org/10.48577/jpl.WGEJXW, Microbiome, JPL Open Repository
Background. The National Aeronautics and Space Administration (NASA) is planning to send humans and spacecraft to search for life on other planets. Much of the scientific preparation for these expeditions centers on finding microbial life. However, both humans and associated obje... |
Feb 22, 2021
Kasthuri Venkateswaran, 2021, "Methylobacterium ajmalii sp. nov., isolated 1 from the International Space Station", https://doi.org/10.48577/jpl.6EGMHX, Frontiers in Microbiology, JPL Open Repository
Gram-negative, rod-shaped, catalase positive, oxidase positive, motile bacteria, designated as IF7SW-B2T, IIF1SW-B5, and IIF4SW-B5, were isolated from different locations across two consecutive flights, from the International Space Station (ISS). The sequence similarity of all IS... |
Oct 2, 2020
Kasthuri Venkateswaran, 2020, "Draft Genome Sequences of Bacillaceae strains isolated from International Space Station", https://doi.org/10.48577/jpl.BEFLC0, Microbiology Resource announcement, JPL Open Repository
The draft genome sequences of thirty bacterial isolates belonging to the family Bacillaceae were collected from the International Space Station, assembled and identified. Further analysis of these sequences will enable us to better study this organism for agricultural application... |
Sep 23, 2020
Kasthuri Venkateswaran, 2020, "Assessing the risk of transfer of microorganisms at the International Space Station due to cargo delivery by commercial resupply vehicles", https://doi.org/10.48577/jpl.9VL27Z, Microbiome, JPL Open Repository
With increasing numbers of interplanetary missions, there is a need to establish robust protocols to ensure the protection of extraterrestrial planets being visited from contamination by terrestrial life forms. The current study is the first report comparing the cargo resupply ve... |
Jul 13, 2020
Kasthuri Venkateswaran, 2020, "Microbiome and Metagenome Analyses of a Closed Habitat During Human Occupation", https://doi.org/10.48577/jpl.DX4WOM, mSystems, JPL Open Repository
Microbial contamination during long-term confinements of space exploration present potential risks for both crew members and spacecraft life support systems. As NASA prepares for manned missions beyond low Earth orbit, deeper into the solar system, the monitoring of microbial pop... |
