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The cyanobacterial genus Microcystis is well known as the main group that forms harmful blooms in water. A strain of Microcystis, M. panniformis FACHB1757, was isolated from Meiliang Bay of Lake Taihu in August 2011. The whole genome was sequenced using PacBio RS II sequencer with 48-fold coverage. The complete genome sequence with no gaps contained a 5,686,839 bp chromosome and a 38,683 bp plasmid, which coded for 6,519 and 49 proteins, respectively. Comparison with strains of M. aeruginosa and some other water bloom-forming cyanobacterial species revealed large-scale structure rearrangement and length variation at the genome level along with 36 genomic islands annotated genome-wide, which demonstrates high plasticity of the M. panniformis FACHB1757 genome and reveals that Microcystis has a flexible genome evolution.
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http://dx.doi.org/10.1186/s40793-016-0130-5 | DOI Listing |
Mol Biol Rep
September 2025
Department of Biosciences, Integral University, Kursi Road, Lucknow, 226026, India.
Background: The river ecosystems provide habitats and source of water for a number of species including humans. The uncontrolled accumulation of pollutants in the aquatic environment enhances the development of antibiotic-resistant bacteria and genes.
Methods: Water samples were collected seasonally from different sites of Gomti and Ganga River.
Planta
September 2025
Department of Biology, University of Naples Federico II, Via Cinthia 26, 80126, Naples, Italy.
The first complete plastid genome of the critically endangered species Valeriana trinervis was sequenced, assembled and compared with other published Valeriana plastomes. In this study, we assembled the plastid genome of the critically endangered, endemic species Valeriana trinervis (= Centranthus trinervis) and compare it with all published plastomes of Valeriana. We found not only differences in the inverted repeats boundaries, in the type and abundance of repeats, but also similarities in codon usage and microsatellite numbers.
View Article and Find Full Text PDFCurr Microbiol
September 2025
Department of Integrative Biotechnology, Sungkyunkwan University, Natural Science Campus, 2066 Seobu-ro, Jangan-Gu, Suwon-Si, Gyeonggi-Do, 16419, Republic of Korea.
A novel bacterial strain, SM-13 was isolated from the rhizospheric soil of Epipremnum aureum (Jade Pothos) sampled in Suwon, Republic of Korea. The isolate was Gram-stain-negative, aerobic, motile, rod-shaped, cream-coloured, oxidase- and catalase-positive. Strain SM-13 grew at the range of 15-37 °C (optimum, 25 °C), at pH 6.
View Article and Find Full Text PDFMicrobiol Spectr
September 2025
United States Department of Agriculture, Agricultural Research Service (USDA-ARS), Southeast Poultry Research Laboratories, US National Poultry Research Center, Athens, Georgia, USA.
Infectious bursal disease (IBD), a highly contagious viral disease in young chickens, poses significant economic losses due to high mortality and immunosuppression. While IBD virus (IBDV) virulence is influenced by multiple genes, whole-genome sequencing (WGS) of IBDV is crucial for defining the strain pathotype and clinical profile. Flinders Technology Associates (FTA) cards are convenient for field sample collection, but their filter paper matrix can hinder nucleic acid recovery, impacting sequencing efficiency.
View Article and Find Full Text PDFMicrobiol Resour Announc
September 2025
Department of Biological Sciences, Virginia Tech, Blacksburg, Virginia, USA.
The complete genomes of three isolates were collected from the same patient in 2014, 2015, and 2016. NIH-016-2 is susceptible to eight antibiotics, while the other two are resistant to 11 commonly used antibiotics. Isolates were sequenced using Nanopore and Illumina short-read technologies.
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