Micrococcus flavus strain:BCRC 80069
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ABSTRACT:
PROVIDER: PRJNA528833 | ENA |
REPOSITORIES: ENA
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Project description:This study provides comparative RNA-seq datasets for four freshwater bacterial isolates, Pseudomonas sp. FBCC-B13192, Herbaspirillum sp. FBCC-B12834, Pantoea sp. FBCC-B5559, and Micrococcus sp. FBCC-B5738, cultured under iron-replete (+100 uM FeCl3) and iron-limited (no FeCl3) conditions. Iron availability is a key factor influencing bacterial fitness, and iron limitation is known to activate siderophore biosynthesis, iron transport, and homeostasis pathways. A total of eight libraries generated in 2024 and 2025 were analyzed, comprising 349.9 million processed reads. Reference-guided mapping rates varied among strains, with higher mapping efficiency observed in Pseudomonas, Herbaspirillum, and Pantoea, while Micrococcus showed comparatively lower mapping rates under both conditions. Differential expression analysis revealed strain-specific responses to iron limitation. Genes related to pyoverdine and ferrichrome uptake were enriched in Pseudomonas and Herbaspirillum, enterobactin-associated pathways were prominent in Pantoea, and genes associated with siderophore production, heme utilization, and Fe-S cluster assembly were identified in Micrococcus. Raw sequencing data are available in the NCBI Sequence Read Archive under BioProject PRJNA1456794, and processed data are deposited in a public repository. These datasets provide a valuable resource for understanding bacterial adaptation to iron availability and for comparative transcriptomic analyses.
2026-05-04 | GSE329534 | GEO
Project description:Investigation of transcriptomic changes in M.luteus at 12hrs and 24hrs. Differences in fatty acid profiles of M. luteus at exponential and stationary phase is attributed to transcriptional changes of branched amino acid biosynthesis and degradation genes. This study is described by Pereira, J.H., E.B. Goh, J.D. Keasling, H.R. Beller and P.A. Adams in Crystal structure of FabH and factors affecting the distribution of branched fatty acids in Micrococcus luteus, which has been submitted to Acta Crystallographica Section D A 6 microarray study using total RNA recovered from six separate control cultures of Micrococcus luteus NCTC2665 strain with 3 harvested after 12hrs of growth and the other 3 after 24hrs of growth. Each chip measures the expression level of 2,374 ORF based on the draft genome sequence of Micrococcus luteus with ten 60-mer probe pairs (PM/MM) per gene, with 3-fold technical redundancy.
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