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Effect of Light Regime on Puniceispirillum marinum IMCC1322 in Nutrient-Replete Conditions.
J Microbiol Biotechnol
November 2024
Hanyang University ERICA, Ansan 15588, Republic of Korea.
Previous studies showed no improvement in bacterial biomass for Puniceispirillum marinum IMCC1322 under light regimes. Nevertheless, in nutrient-replete cultures with higher inoculating cell densities, strain IMCC1322 exhibited proteorhodopsin photoheterotrophy. Increasing both inoculum size and the amino acid pool can eliminate quorum sensing and starvation responses in strain IMCC1322.
View Article and Find Full Text PDFImproving natural red pigment production by Streptomyces phaeolivaceus strain GH27 for functionalization of textiles with in silico ADME prediction.
BMC Microbiol
January 2025
Microbial Chemistry Department, Biotechnology Research Institute, National Research Center, Dokki, Giza, Egypt.
The red pigment was recovered from the S. phaeolivaceus GH27 isolate, which was molecularly identified using 16S rRNA gene sequencing and submitted to GenBank as OQ145635.1.
View Article and Find Full Text PDFResponse surface methodology and repeated-batch fermentation strategies for enhancing lipid production from marine oleaginous Candida parapsilosis Y19 using orange peel waste.
Microb Cell Fact
January 2025
Botany and Microbiology Department , Faculty of Science, Al-Azhar University, Nasr City, Cairo, 11884, Egypt.
Oleaginous yeasts are considered promising sources for lipid production due to their ability to accumulate high levels of lipids under appropriate growth conditions. The current study aimed to isolate and identify oleaginous yeasts having superior ability to accumulate high quantities of lipids; and enhancing lipid production using response surface methodology and repeated-batch fermentation. Results revealed that, twenty marine oleaginous yeasts were isolated, and the most potent lipid producer isolate was Candida parapsilosis Y19 according to qualitative screening test using Nile-red dye.
View Article and Find Full Text PDFFirst report of causing bacteria wilt on eucalyptus in Brazil.
Plant Dis
January 2025
Microbiology, Campus Universitário s/n, Viçosa, Minas Gerais, Brazil, 36570-000;
The Ralstonia solanacearum Species Complex (RSSC) is the most significant plant pathogen group with a wide host range. It is genetically related but displays distinct biological features, such as restrictive geography occurrence. The RSSC comprises three species: Ralstonia pseudosolanacearum (phylotype I and III), Ralstonia solanacearum (phylotype IIA and IIB), and Ralstonia syzygii (phylotype IV) (Fegan and Prior 2005).
View Article and Find Full Text PDFProteases from an Amazonian Mushroom Species: A Mycotechnological Alternative for the Production of Milk Coagulant.
Appl Biochem Biotechnol
January 2025
Post-Graduate Program in Biotechnology, Federal University of Amazonas (UFAM), Manaus, Amazonas, 69067-005, Brazil.
Edible mushrooms have been used as sustainable sources of proteases of industrial interest. The aim of this research was to investigate the influence of different culture media on mycelial growth and the potential of an Amazonian mushroom species, Auricularia fuscosuccinea DPUA 1624, in the biosynthesis of bovine milk coagulant enzymes. The species was cultivated on Sabouraud agar, malt, glucose, and peptone agar, malt extract agar, and glucose and peptone agar, supplemented with yeast extract for mycelial development.
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