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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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At least 1,531 records · Page 85
All sourcesNASA NTRSDOE OSTI
DOE OSTI2023

Genome sequences of key bacterial symbionts of entomopathogenic nematodes: Xenorhabdus cabanillasii DSM17905, Xenorhabdus ehlersii DSM16337, Xenorhabdus japonica DSM16522, Xenorhabdus koppenhoeferii DSM18168, and Xenorhabdus mauleonii DSM17908

ABSTRACT Xenorhabdus species are bacterial symbionts of entomopathogenic Steinernema nematodes, in which they produce diverse secondary metabolites implicated in pathogenesis. To expand resources for natural product prospecting and exploration of host-symbiont-pathogen relationships, the genomes of Xenorhabdus cabanillasi, Xenorhabdus ehlersii , Xenorhabdus japonica , Xenorhabdus koppenhoeferii , and Xenorhabdus mauleonii were analyzed.

Robertson, Raegan↗
DOE OSTI2026

Draft Genome Sequences of 14 Bacterial Isolates from the Rhizosphere of Bioenergy Sorghum

We report the draft genomes of a collection of 15 bacteria, isolated from the rhizosphere soil of bioenergy sorghum (Sorghum bicolor (L.) Moench). These isolates belong to the genera, Acidovorax, Nocardioides, Agrobacterium, Peribacillus, Caulobacter, Cupriavidus, Pseudomonas, Rhizobium, Sphingomonas, Priestia, Dyadobacter, Roseomonas, Ideonella, and Bacillus.

Black, Grace S.↗
DOE OSTI2022

Friend or Foe: Draft Genome Sequence of Bradyrhizobium sp. Strain SRS-191

We report the genomic features of Bradyrhizobium sp. strain SRS-191, which was isolated from a former nuclear legacy site in Aiken, South Carolina, USA. With a genome size of 7,621,400 bp, the strain harbored genes not only for environmentally beneficial traits (e.g., heavy metal resistance, nitrogen fixation, and aromatic biodegradation) but also for antimicrobial resistance.

Chauhan, Ashvini↗
DOE OSTI2023

Complete Genome Sequence of Phormidium yuhuli AB48, Isolated from an Industrial Photobioreactor Environment

We report the genome of Phormidium yuhuli AB48, which includes a circular chromosome and a circular plasmid (4,747,469 bp and 51,599 bp, respectively). This is currently the only closed reference genome of an isolate of the Phormidium genus, based on the Genome Taxonomy Database (GTDB), providing a potential model system for sustainable biotechnology innovation.

59 BASIC BIOLOGICAL SCIENCES↗
DOE OSTI2024

Complete genome sequence of Rhodococcus qingshengii phage Perlina

ABSTRACT Rhodococcus phage Perlina is a novel phage isolated on Rhodococcus qingshengii S10. Perlina encodes 112 open reading frames with typical phage structural genes identified and 3 tRNAs (tRNA-Ile, tRNA-Met, and tRNA-Asn). Few close relatives can be identified at the nucleotide level, suggesting a new phage species.

59 BASIC BIOLOGICAL SCIENCES↗
DOE OSTI2020

Draft Genome Sequence of the Biofuel-Relevant Microalga Desmodesmus armatus

A draft genome of 906 scaffolds of 115.8 Mb was created for Desmodesmus armatus , a diploid, lipid- and storage carbohydrate-accumulating microalga proven relevant for large-scale, outdoor cultivation, and serves as a model alga platform for improving photosynthetic efficiency and carbon assimilation for next-generation bioenergy production.

09 BIOMASS FUELS↗
DOE OSTI2022

Complete Genome Sequence of Human Oral Saccharibacterium “ Candidatus Nanosynbacter sp. HMT352” Strain KC1

“Cand. Nanosynbacter sp. HMT352” strain KC1 is an ectoparasitic saccharibacterium/TM7 that was co-isolated from a human saliva sample with its obligate bacterial host, Schaalia odontolytica. The genome of strain KC1 enables studies of the mechanisms and evolution of interspecies interactions and, for oral species, studies of their potential roles in health and disease.

59 BASIC BIOLOGICAL SCIENCES↗
DOE OSTI2023

Genome Sequence of Mycobacteriophage Bassalto

Bassalto is a newly isolated phage of Mycobacterium smegmatis mc 2 155 from the campus grounds of Norfolk State University in Norfolk, VA. Bassalto belongs to the cluster B and subcluster B3 mycobacteriophages, based on the nucleotide composition and comparison to known mycobacteriophages.

59 BASIC BIOLOGICAL SCIENCES↗
DOE OSTI2022

synDNA—a Synthetic DNA Spike-in Method for Absolute Quantification of Shotgun Metagenomic Sequencing

The synDNAs designed in this study enable accurate and reproducible measurements of absolute amount and fold changes of bacterial species in complex microbial communities. The method proposed here is versatile and promising as it can be applied to bacterial communities or genomic features like genes and operons, in addition to being easily adaptable by other research groups at a low cost.

59 BASIC BIOLOGICAL SCIENCES↗
DOE OSTI2025

Anomaly Detection On Network Traffic Using A Sequence Model Approach

The code ingests Zeek logs derived from network packet captures, applies a DBSCAN model, Gower distance to build a feature set as input into a transformer model that will output anomaly scores and provides the option to set a threshold as to what’s considered an anomaly.

Quach, Anna [Idaho National Laboratory (INL), Idah↗
DOE OSTI2023

TwoFold: Highly accurate structure and affinity prediction for protein-ligand complexes from sequences

We describe our development of ab initio protein-ligand binding pose prediction models based on transformers and binding affinity prediction models based on the neural tangent kernel (NTK). Folding both protein and ligand, the TwoFold models achieve efficient and quality predictions matching state-of-the-art implementations while additionally reconstructing protein structures. In conclusion, solving NTK models points to a new use case for highly optimized linear solver benchmarking codes on HPC.

60 APPLIED LIFE SCIENCES↗