Publications by authors named "Iulia Chiciudean"
High-throughput screening (HTS) methods for characterization of microbial production of polyhydroxyalkanoates (PHA) are currently under investigated, despite the advent of such systems in related fields. In this study, phenotypic microarray by Biolog PM1 screening of Halomonas sp. R5-57 and Pseudomonas sp.
View Article and Find Full Text PDFArticle Synopsis
- Karst caves have unique environments with constant temperature, high humidity, and low nutrient levels, making them important for studying microbial diversity and biogeochemical processes.
- The research focused on the microbial communities in Leșu Cave, utilizing techniques like 16S rRNA gene sequencing and physiological profiling to assess microbial diversity and their preferences for organic substrates.
- Results showed that while there was overall similarity in bacterial phyla, specific sites within the cave exhibited unique bacterial communities based on environmental conditions, with nutrient sources influencing their distribution patterns.
Article Synopsis
- - The study focuses on the use of a specific bacterial strain, C2.2, for producing biodegradable plastics known as polyhydroxyalkanoates (PHA), requiring a deep understanding of its metabolic capabilities to optimize production conditions.
- - Researchers conducted various characterization methods, including genome analysis and high-throughput tests, confirming the strain's ability to break down urea and fatty acids while tolerating high pH and osmotic stress in fermentation.
- - Experimental results showed that using urea as a nitrogen source and crude glycerol as a carbon source led to significant PHA production in both flask and bioreactor setups, highlighting a potential and efficient fermentation process without the need for pH adjustments.
Article Synopsis
- Movile Cave in SE Romania is a unique ecosystem that relies on hydrogen sulfide-rich groundwater, similar to deep-sea hydrothermal systems, and past research has mainly focused on the water and surface microbial mats.
- A study using advanced genomic techniques identified 106 high-quality genomes from cave sediments, uncovering diverse bacterial and archaeal communities, with key metabolic functions like carbon fixation and sulfur oxidation detected.
- Results indicate that the cave's primary production potential extends beyond the water, highlighting complex interactions and metabolic exchanges among microbes in sediment environments.
Polyhydroxyalkanoates (PHAs) are biodegradable bioplastics that can be manufactured sustainably and represent a promising green alternative to petrochemical-based plastics. Here, we describe the complete genome of a new marine PHA-producing bacterium-Photobacterium ganghwense (strain C2.2), which we have isolated from the Black Sea seashore.
View Article and Find Full Text PDFTsukamurella sp. strain MH1, capable to use a wide range of n-alkanes as the only carbon source, was isolated from petroleum-contaminated soil (Pitești, Romania) and its complete genome was sequenced. The 4,922,396 bp genome contains only one circular chromosome with a G + C content of 71.
View Article and Find Full Text PDF